{"title":"Differential Shafts \u0026 Slip Shafts","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e  Differential shafts, also known as slip shafts, are essential for maintaining uniform winding tension across multiple slit rolls during slitting and rewinding operations. XW Machinery manufactures high-performance differential shafts designed to compensate for material thickness variations and eliminate common winding defects such as telescoping, loose rolls, wrinkling, and uneven roll hardness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e  Our product range includes roller type differential shafts and ball type slip shafts for a wide variety of converting applications. Roller type differential shafts are ideal for heavy-duty rewinding, wide-width materials, and high-tension operations, providing stable torque transmission and excellent roll quality. Ball type slip shafts offer sensitive tension adjustment, smooth differential action, and fast core loading, making them suitable for films, laminates, paper, foil, and other precision converting materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e  Engineered with high-strength alloy steel, aviation-grade aluminum, and long-life friction elements, our differential shafts deliver outstanding durability, concentricity, and consistent performance during continuous operation. Available in custom diameters, lengths, and friction configurations, our solutions are widely used in packaging, printing, film converting, lithium battery, and paper processing industries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e  Browse our complete collection to explore technical specifications, friction ring options, torque performance data, and customized differential shaft solutions.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"3-6-pneumatic-ball-type-differential-friction-shaft-for-slitter-rewinder-machine-xw-machinery","title":"3\" 6\" Pneumatic Ball Type Differential Friction Shaft for Slitter Rewinder Machine | XW Machinery","description":"\u003cp\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eSolving uneven tension issues in multi-roll slitting. Our ball-type differential shafts ensure independent tension control for each roll, reducing waste and improving rewinding quality.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eIdeal for slitting and rewinding thin films (PET, CPP, OPP), metal foils, paper, and non-woven fabrics.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e| Technical Specifications |\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"zrqYkP4EdV\" data-para-id=\"0\"\u003e\u003cspan data-slate-string=\"true\"\u003eParameter                         Value\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"BZWXg5aMje\" data-para-id=\"1\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eCore Size                          3\" \/ 6\"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"zlL85Z0nGz\" data-para-id=\"2\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eShaft Type                        Pneumatic Ball Type\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"BDov6mPp7z\" data-para-id=\"3\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eFriction Ring Width         10\/15\/20\/25\/30\/35\/40\/50 mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"eLRKoDEJnz\" data-para-id=\"4\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eMax Load                         1500 kg（3 inches \u0026amp;1.5 meters）\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"VdQDx5Yrvz\" data-para-id=\"5\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eMaterial                            45# Steel \/ Seamless Steel \/ Aluminum Alloy\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"eb7ZP5gaGV\" data-para-id=\"6\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eTorque Range                  0.1-2000 N·m\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"BPWGgPr5bz\" data-para-id=\"7\" class=\"\"\u003e\u003cspan data-slate-string=\"true\"\u003eAir Pressure                     0.2-0.6 MPa (2-6 Kg\/cm³)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv data-slate-node=\"element\" data-slate-fragment=\"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\"\u003e\u003cspan data-slate-node=\"text\"\u003e\u003cspan data-slate-leaf=\"true\" data-sent-id=\"VQb6rQM73z\" data-para-id=\"8\"\u003e\u003cspan data-slate-string=\"true\"\u003eApplication                      Slitter Rewinder\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/Slip_Ball_Differential_Shaft_drawing_parameter.png?v=1776067531\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eHow Ball Type Differential Shafts Work\u003c\/p\u003e\n\u003cp\u003e  The pneumatic ball type differential shaft automatically compensates for web thickness variation during multi-roll rewinding. Independent friction rings create controlled slip torque, ensuring equal web tension across all rewind cores.\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2166\" data-end=\"2181\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"2183\" data-end=\"2328\"\u003e\n\u003cli data-section-id=\"1feyuj4\" data-start=\"2183\" data-end=\"2198\"\u003eFilm Slitting\u003c\/li\u003e\n\u003cli data-section-id=\"1f5k5rt\" data-start=\"2199\" data-end=\"2217\"\u003eLabel Converting\u003c\/li\u003e\n\u003cli data-section-id=\"ri2xst\" data-start=\"2218\" data-end=\"2235\"\u003ePaper Rewinding\u003c\/li\u003e\n\u003cli data-section-id=\"etm5wy\" data-start=\"2236\" data-end=\"2251\"\u003eFoil Slitting\u003c\/li\u003e\n\u003cli data-section-id=\"17yprnm\" data-start=\"2252\" data-end=\"2272\"\u003eFlexible Packaging\u003c\/li\u003e\n\u003cli data-section-id=\"zgdkeb\" data-start=\"2273\" data-end=\"2295\"\u003eLithium Battery Film\u003c\/li\u003e\n\u003cli data-section-id=\"ieosbu\" data-start=\"2296\" data-end=\"2310\"\u003eOptical Film\u003c\/li\u003e\n\u003cli data-section-id=\"90liv3\" data-start=\"2311\" data-end=\"2328\"\u003eNonwoven Fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1rcu242\" data-start=\"3253\" data-end=\"3272\"\u003eRelated Products\u003c\/h2\u003e\n\u003cul data-start=\"3280\" data-end=\"3349\"\u003e\n\u003cli data-section-id=\"2dql3m\" data-start=\"3280\" data-end=\"3303\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/xw-magnetic-powder-brake-din-standard-long-lifespan?variant=48514471690496\" target=\"_blank\" title=\"Single-Shaft Magnetic Particle Brake for Tension Control\" rel=\"noopener\"\u003eMagnetic Powder Brake\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1wxydow\" data-start=\"3304\" data-end=\"3324\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/automatic-manual-web-tension-controller?variant=48628675150080\" title=\"Complete tension control systems for web handling and slitting machines\" rel=\"noopener\" target=\"_blank\"\u003eTension Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"2jf7ei\" data-start=\"3325\" data-end=\"3336\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/pneumatic-expanding-shaft-400nm\" title=\"Air expanding shaft for rewinding and slitting machines\" rel=\"noopener\" target=\"_blank\"\u003eAir Shaft\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"16ukmzf\" data-start=\"3337\" data-end=\"3349\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/network-web-guiding-system-epc-control-system?variant=48629412724992\" title=\"EPC web guiding system for accurate edge position control\" rel=\"noopener\" target=\"_blank\"\u003eEPC System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eWhy choose us?\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"8dc1yd\" data-start=\"3597\" data-end=\"3619\"\u003e13+ years experience\u003c\/li\u003e\n\u003cli data-section-id=\"foektu\" data-start=\"3620\" data-end=\"3639\"\u003eOEM customization\u003c\/li\u003e\n\u003cli data-section-id=\"1antm7n\" data-start=\"3640\" data-end=\"3674\"\u003eHigh-speed slitting applications\u003c\/li\u003e\n\u003cli data-section-id=\"1w1retw\" data-start=\"3675\" data-end=\"3732\"\u003eUsed in lithium battery \/ flexible packaging industries\u003c\/li\u003e\n\u003cli data-section-id=\"emrirh\" data-start=\"3733\" data-end=\"3761\"\u003eCustom friction ring sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eBalance: Each shaft undergoes dynamic balancing treatment before leaving the factory to ensure that there is no vibration during high-speed operation.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003eMaterial: Made of seamless steel pipes or thickened aluminum profiles, it will not deform after long-term use.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis product is customized. Please contact customer service to send us your drawings.\u003c\/p\u003e\n\u003cp\u003eOrdering Process：\u003cbr\u003e1.    Inquiry: Send us your requirements (Diameter, Length, Material).\u003cbr\u003e2.    Drawing Confirmation: Our engineers provide\/confirm technical drawings within 4 hours.\u003cbr\u003e3.    Quotation: Competitive factory-direct pricing based on specs.\u003cbr\u003e4.    Production: 7-15 days lead time (standard parts).\u003cbr\u003e5.    Quality Check: ISO9001 standard inspection before shipping.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e   Can you customize the shaft length to fit our machine? (Yes, we provide drawings for confirmation.)\u003cbr\u003e2.    What is the MOQ? (1 piece is supported.)\u003cbr\u003e3.    How do you handle shipping for long shafts? (Reinforced wooden cases.)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOur factory has passed ISO9001 quality certification, ensuring quality assurance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/xw_machinery_parts_iso_certification.png?v=1776044132\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202126_23_29.jpg?v=1775444853\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202119_12_29.jpg?v=1775446339\"\u003e\u003c\/p\u003e\n\u003cp\u003eWe are Air shaft manufacturer in China. We specialize in producing:Pneumatic friction shaft， Rewind air shaft for paper\/film.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202120_14_29.jpg?v=1775446344\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202123_18_29.jpg?v=1775446350\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1hryhf7\" data-start=\"0\" data-end=\"6\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"t5pjyb\" data-start=\"8\" data-end=\"50\"\u003eWhat is a differential friction shaft?\u003c\/h3\u003e\n\u003cp data-start=\"52\" data-end=\"637\"\u003eA differential friction shaft is a specialized rewinding shaft used in slitter rewinder machines to maintain equal web tension across multiple rewind cores. Unlike a standard air shaft, each friction ring on the differential shaft can slip independently, automatically compensating for material thickness variation during rewinding. This helps prevent loose rolls, wrinkles, telescoping, and uneven tension in high-speed web handling applications. Differential shafts are widely used in film, foil, paper, label, and flexible packaging industries.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ycb76u\" data-start=\"644\" data-end=\"693\"\u003eHow does a ball type differential shaft work?\u003c\/h3\u003e\n\u003cp data-start=\"695\" data-end=\"1374\"\u003eA ball type differential shaft works through independently controlled friction rings mounted on the shaft body. Pneumatic pressure activates steel balls inside the friction rings, allowing each core to maintain controlled slip torque during rewinding. When web tension exceeds the preset slip force, the friction ring slips automatically to equalize tension between rolls. This mechanism ensures stable rewinding even when material thickness or roll diameter varies across multiple cores. Ball type differential shafts are especially suitable for narrow web slitting and delicate materials such as PET film, BOPP film, foil, and label stock.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1g3ucpt\" data-start=\"1381\" data-end=\"1459\"\u003eWhat is the difference between lug type and ball type differential shafts?\u003c\/h3\u003e\n\u003cp data-start=\"1461\" data-end=\"1580\"\u003eThe main difference between lug type and ball type differential shafts is the friction structure and application range.\u003c\/p\u003e\n\u003cp data-start=\"1582\" data-end=\"1833\"\u003eBall type differential shafts use spring-loaded or pneumatic steel balls to provide multi-point contact and smoother slip control. They are ideal for lightweight materials, narrow web slitting, and applications requiring precise low-tension rewinding.\u003c\/p\u003e\n\u003cp data-start=\"1835\" data-end=\"2087\"\u003eLug type differential shafts use larger mechanical lugs or leaves to grip the core more aggressively. They offer higher torque capacity and are better suited for heavy-duty applications such as thick paperboard, nonwoven materials, and heavy laminates.\u003c\/p\u003e\n\u003cp data-start=\"2089\" data-end=\"2100\"\u003eIn general:\u003c\/p\u003e\n\u003cul data-start=\"2102\" data-end=\"2214\"\u003e\n\u003cli data-section-id=\"1t4a22k\" data-start=\"2102\" data-end=\"2161\"\u003eBall type = higher precision and smoother tension control\u003c\/li\u003e\n\u003cli data-section-id=\"1rnvwz5\" data-start=\"2162\" data-end=\"2214\"\u003eLug type = higher torque and heavy-load capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"127hflo\" data-start=\"2260\" data-end=\"2321\"\u003eHow to choose a differential shaft for slitting machines?\u003c\/h3\u003e\n\u003cp data-start=\"2323\" data-end=\"2390\"\u003eChoosing the correct differential shaft depends on several factors:\u003c\/p\u003e\n\u003cul data-start=\"2392\" data-end=\"2623\"\u003e\n\u003cli data-section-id=\"1drhao2\" data-start=\"2392\" data-end=\"2450\"\u003eMaterial type (film, foil, paper, nonwoven, label stock)\u003c\/li\u003e\n\u003cli data-section-id=\"1gygfy6\" data-start=\"2451\" data-end=\"2484\"\u003eWeb thickness and tension range\u003c\/li\u003e\n\u003cli data-section-id=\"gxs03y\" data-start=\"2485\" data-end=\"2520\"\u003eCore size (3\", 6\", or customized)\u003c\/li\u003e\n\u003cli data-section-id=\"jssdtk\" data-start=\"2521\" data-end=\"2537\"\u003eSlitting width\u003c\/li\u003e\n\u003cli data-section-id=\"u45ptp\" data-start=\"2538\" data-end=\"2559\"\u003eMaximum roll weight\u003c\/li\u003e\n\u003cli data-section-id=\"wh6rpo\" data-start=\"2560\" data-end=\"2577\"\u003eRewinding speed\u003c\/li\u003e\n\u003cli data-section-id=\"d8qur5\" data-start=\"2578\" data-end=\"2623\"\u003eFriction ring width and torque requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2625\" data-end=\"3016\"\u003eBall type differential shafts are commonly recommended for thin films and precision tension control, while lug type shafts are preferred for heavy rolls and high torque applications. Pneumatic differential shafts are generally the best choice for high-speed slitter rewinders because they provide adjustable slip torque and stable rewinding performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"p0b0yu\" data-start=\"3023\" data-end=\"3057\"\u003eWhat core sizes are supported?\u003c\/h3\u003e\n\u003cp data-start=\"3059\" data-end=\"3414\"\u003eMost pneumatic ball type differential shafts support standard 3-inch and 6-inch paper cores. Common friction ring widths include 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, and 50 mm. Custom core sizes, shaft diameters, and friction ring configurations can also be manufactured according to rewinding application requirements.\u003c\/p\u003e","brand":"XW Machinery Parts","offers":[{"title":"Default Title","offer_id":48204527730944,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/ball-bearing-differential-slip-shaft-industrial-winding.jpg?v=1778728066"},{"product_id":"slitter-differential-shaft","title":"Differential Air Shaft for Slitting \u0026 Rewinding Machines | XW Machinery","description":"\u003cp\u003eXW Machinery differential air shafts are designed for high-speed slitting and rewinding applications requiring precise tension equalization across multiple cores.\u003c\/p\u003e\n\u003cp\u003eEach friction ring independently slips according to web tension, ensuring stable rewinding performance for films, paper, foil, labels, and lithium battery materials.\u003c\/p\u003e\n\u003cp\u003eOur pneumatic differential shafts support narrow-width slitting, low-tension rewinding, and customized torque control for advanced converting industries.\u003c\/p\u003e\n\u003cp\u003eXW Machinery specializes in precision web handling components for converting industries, including differential shafts, air shafts, tension controllers, web guiding systems, and magnetic powder clutches.\u003c\/p\u003e\n\u003cp\u003eOur solutions are widely used in film, foil, paper, label, and lithium battery production lines worldwide.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1g4wsol\" data-start=\"1391\" data-end=\"1434\"\u003eKey Features of XW Machinery Differential Shafts\u003c\/h1\u003e\n\u003cul data-start=\"1436\" data-end=\"1869\"\u003e\n\u003cli data-section-id=\"abocye\" data-start=\"1436\" data-end=\"1473\"\u003ePrecise independent tension control\u003c\/li\u003e\n\u003cli data-section-id=\"1ffpume\" data-start=\"1474\" data-end=\"1517\"\u003eSmooth slip adjustment for multiple rolls\u003c\/li\u003e\n\u003cli data-section-id=\"117b7wt\" data-start=\"1518\" data-end=\"1557\"\u003eHigh-speed stable winding performance\u003c\/li\u003e\n\u003cli data-section-id=\"vryzcz\" data-start=\"1558\" data-end=\"1592\"\u003eReduced wrinkles and telescoping\u003c\/li\u003e\n\u003cli data-section-id=\"5q5xp2\" data-start=\"1593\" data-end=\"1624\"\u003eExcellent winding consistency\u003c\/li\u003e\n\u003cli data-section-id=\"12f1gl1\" data-start=\"1625\" data-end=\"1676\"\u003eDurable friction components for long service life\u003c\/li\u003e\n\u003cli data-section-id=\"1nev2dk\" data-start=\"1677\" data-end=\"1728\"\u003eSuitable for narrow web and wide web applications\u003c\/li\u003e\n\u003cli data-section-id=\"1ns88ei\" data-start=\"1729\" data-end=\"1769\"\u003eEasy maintenance and replacement parts\u003c\/li\u003e\n\u003cli data-section-id=\"c33isx\" data-start=\"1770\" data-end=\"1811\"\u003eCustomizable shaft sizes and structures\u003c\/li\u003e\n\u003cli data-section-id=\"1315sgx\" data-start=\"1812\" data-end=\"1869\"\u003eCompatible with various slitting and rewinding machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1871\" data-end=\"1874\"\u003e\n\u003ch1 data-section-id=\"1011rvq\" data-start=\"1876\" data-end=\"1917\"\u003eApplications of Differential Air Shafts\u003c\/h1\u003e\n\u003cp data-start=\"1919\" data-end=\"1964\"\u003eXW Machinery differential shafts are widely used in:\u003c\/p\u003e\n\u003cul data-start=\"1966\" data-end=\"2273\"\u003e\n\u003cli data-section-id=\"c23szq\" data-start=\"1966\" data-end=\"1990\"\u003eFilm slitting machines\u003c\/li\u003e\n\u003cli data-section-id=\"pe06ej\" data-start=\"1991\" data-end=\"2016\"\u003ePaper rewinding systems\u003c\/li\u003e\n\u003cli data-section-id=\"1oj2kvt\" data-start=\"2017\" data-end=\"2044\"\u003eFoil converting equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1iyvcmm\" data-start=\"2045\" data-end=\"2070\"\u003eLabel slitting machines\u003c\/li\u003e\n\u003cli data-section-id=\"1m0ja4c\" data-start=\"2071\" data-end=\"2108\"\u003eFlexible packaging production lines\u003c\/li\u003e\n\u003cli data-section-id=\"8qxc02\" data-start=\"2109\" data-end=\"2141\"\u003eBattery separator film winding\u003c\/li\u003e\n\u003cli data-section-id=\"6plthe\" data-start=\"2142\" data-end=\"2172\"\u003eNonwoven material processing\u003c\/li\u003e\n\u003cli data-section-id=\"5srdv9\" data-start=\"2173\" data-end=\"2203\"\u003eTape and adhesive converting\u003c\/li\u003e\n\u003cli data-section-id=\"1n3p6ad\" data-start=\"2204\" data-end=\"2228\"\u003ePlastic film rewinding\u003c\/li\u003e\n\u003cli data-section-id=\"5hrex1\" data-start=\"2229\" data-end=\"2273\"\u003eHigh-speed precision slitting applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2275\" data-end=\"2374\"\u003eThese shafts help improve roll quality, reduce material waste, and maintain stable winding tension.\u003c\/p\u003e\n\u003chr data-start=\"2376\" data-end=\"2379\"\u003e\n\u003ch1 data-section-id=\"13bzut3\" data-start=\"2381\" data-end=\"2423\"\u003eBall Type vs Lug Type Differential Shaft\u003c\/h1\u003e\n\u003ch2 data-section-id=\"iduq3b\" data-start=\"2425\" data-end=\"2456\"\u003eBall Type Differential Shaft\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eAdvantages\u003c\/th\u003e\n\u003cth\u003eApplications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Type\u003c\/td\u003e\n\u003ctd\u003eLow tension, narrow slit rewinding\u003c\/td\u003e\n\u003ctd\u003eFilm, PET, battery separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLug Type\u003c\/td\u003e\n\u003ctd\u003eStrong gripping force\u003c\/td\u003e\n\u003ctd\u003eHeavy paper, foil, wide rolls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"2458\" data-end=\"2595\"\u003eBall type differential shafts use steel balls or friction ball mechanisms to transmit torque and allow controlled slipping between rolls.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1l3n95q\" data-start=\"2597\" data-end=\"2611\"\u003eAdvantages\u003c\/h3\u003e\n\u003cul data-start=\"2613\" data-end=\"2778\"\u003e\n\u003cli data-section-id=\"16pzw90\" data-start=\"2613\" data-end=\"2647\"\u003eHigher precision tension control\u003c\/li\u003e\n\u003cli data-section-id=\"189jnz1\" data-start=\"2648\" data-end=\"2678\"\u003eSmooth differential slipping\u003c\/li\u003e\n\u003cli data-section-id=\"pxlkf\" data-start=\"2679\" data-end=\"2717\"\u003eSuitable for high-speed applications\u003c\/li\u003e\n\u003cli data-section-id=\"17aa6sa\" data-start=\"2718\" data-end=\"2753\"\u003eExcellent for thin film materials\u003c\/li\u003e\n\u003cli data-section-id=\"14u99b0\" data-start=\"2754\" data-end=\"2778\"\u003eStable winding quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"3zmk2l\" data-start=\"2780\" data-end=\"2792\"\u003eBest For\u003c\/h3\u003e\n\u003cul data-start=\"2794\" data-end=\"2875\"\u003e\n\u003cli data-section-id=\"am97ly\" data-start=\"2794\" data-end=\"2819\"\u003ePrecision film slitting\u003c\/li\u003e\n\u003cli data-section-id=\"oxc6u8\" data-start=\"2820\" data-end=\"2845\"\u003eBattery film processing\u003c\/li\u003e\n\u003cli data-section-id=\"qrzebq\" data-start=\"2846\" data-end=\"2875\"\u003eHigh-speed converting lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2877\" data-end=\"2880\"\u003e\n\u003ch2 data-section-id=\"1z0xl9m\" data-start=\"2882\" data-end=\"2912\"\u003eLug Type Differential Shaft\u003c\/h2\u003e\n\u003cp data-start=\"2914\" data-end=\"3030\"\u003eLug type differential shafts use expanding lugs or strips combined with friction mechanisms for torque transmission.\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-section-id=\"1l3n95q\" data-start=\"3032\" data-end=\"3046\"\u003eAdvantages\u003c\/h3\u003e\n\u003cul data-start=\"3048\" data-end=\"3158\"\u003e\n\u003cli data-section-id=\"2kzfzh\" data-start=\"3048\" data-end=\"3073\"\u003eStronger gripping force\u003c\/li\u003e\n\u003cli data-section-id=\"fe7sir\" data-start=\"3074\" data-end=\"3096\"\u003eHigher load capacity\u003c\/li\u003e\n\u003cli data-section-id=\"2e3pi\" data-start=\"3097\" data-end=\"3127\"\u003eDurable heavy-duty structure\u003c\/li\u003e\n\u003cli data-section-id=\"bxvstz\" data-start=\"3128\" data-end=\"3158\"\u003eSuitable for wider materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"3zmk2l\" data-start=\"3160\" data-end=\"3172\"\u003eBest For\u003c\/h3\u003e\n\u003cul data-start=\"3174\" data-end=\"3249\"\u003e\n\u003cli data-section-id=\"1b3p8ym\" data-start=\"3174\" data-end=\"3197\"\u003eHeavy paper rewinding\u003c\/li\u003e\n\u003cli data-section-id=\"12v9gof\" data-start=\"3198\" data-end=\"3215\"\u003eFoil processing\u003c\/li\u003e\n\u003cli data-section-id=\"hqj70y\" data-start=\"3216\" data-end=\"3249\"\u003eIndustrial converting equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3251\" data-end=\"3361\"\u003eXW Machinery can customize both ball type and lug type differential shafts according to your production requirements.\u003cstrong\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eOptions\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Diameter\u003c\/td\u003e\n\u003ctd\u003e1 inch – 12 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Length\u003c\/td\u003e\n\u003ctd\u003eCustomized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Material\u003c\/td\u003e\n\u003ctd\u003eSteel \/ Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferential Type\u003c\/td\u003e\n\u003ctd\u003eBall Type \/ Lug Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Size\u003c\/td\u003e\n\u003ctd\u003eCustomized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlip Torque\u003c\/td\u003e\n\u003ctd\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Pressure\u003c\/td\u003e\n\u003ctd\u003eCustomized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003eChrome Plating \/ Anodizing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Speed\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Configuration\u003c\/td\u003e\n\u003ctd\u003eCustomized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/Differential_Air_Shaft_Introduction_drawing_parameter.png?v=1776068050\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch1 data-section-id=\"as64xn\" data-start=\"0\" data-end=\"35\"\u003eWhat Is a Differential Air Shaft?\u003c\/h1\u003e\n\u003cp data-start=\"37\" data-end=\"274\"\u003eA differential air shaft, also known as a slip shaft or pneumatic differential shaft, is a specialized winding shaft used in slitting and rewinding machines to maintain independent tension across multiple rolls during winding operations.\u003c\/p\u003e\n\u003cp data-start=\"276\" data-end=\"579\"\u003eUnlike standard air expanding shafts, a differential shaft allows each core or roll to rotate at slightly different speeds through friction slip mechanisms. This compensates for variations in material thickness, roll diameter, and tension distribution, ensuring tighter and more uniform winding quality.\u003c\/p\u003e\n\u003cp data-start=\"581\" data-end=\"730\"\u003eXW Machinery differential air shafts are designed for high-speed converting applications requiring precise tension control and stable rewinding performance.\u003c\/p\u003e\n\u003chr data-start=\"732\" data-end=\"735\"\u003e\n\u003ch1 data-section-id=\"1vuh7up\" data-start=\"737\" data-end=\"784\"\u003eHow Does a Pneumatic Differential Shaft Work?\u003c\/h1\u003e\n\u003cp data-start=\"786\" data-end=\"927\"\u003eA pneumatic differential shaft uses compressed air to expand friction elements or slip rings that grip individual cores mounted on the shaft.\u003c\/p\u003e\n\u003cp data-start=\"929\" data-end=\"946\"\u003eDuring rewinding:\u003c\/p\u003e\n\u003col data-start=\"948\" data-end=\"1235\"\u003e\n\u003cli data-section-id=\"1thy0ty\" data-start=\"948\" data-end=\"999\"\u003eCompressed air activates the expansion mechanism\u003c\/li\u003e\n\u003cli data-section-id=\"19xje38\" data-start=\"1000\" data-end=\"1055\"\u003eFriction rings create adjustable torque on each core\u003c\/li\u003e\n\u003cli data-section-id=\"dgg1ys\" data-start=\"1056\" data-end=\"1119\"\u003eEach roll can compensate for speed differences independently\u003c\/li\u003e\n\u003cli data-section-id=\"celcp2\" data-start=\"1120\" data-end=\"1173\"\u003eStable tension is maintained across all slit rolls\u003c\/li\u003e\n\u003cli data-section-id=\"18s5k63\" data-start=\"1174\" data-end=\"1235\"\u003eOver-tightening, wrinkling, and uneven winding are reduced\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1237\" data-end=\"1384\"\u003eThis differential slipping function is especially important in high-speed slitting operations where multiple narrow rolls are wound simultaneously.\u003c\/p\u003e\n\u003cp data-start=\"1237\" data-end=\"1384\"\u003eXW Mechanical Parts provides a complete solution for uneven tension in coil materials. Perhaps you are still looking for:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1237\" data-end=\"1384\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/split-tension-controller-magnetic-powder-brake-system\" title=\"Split Type Web Tension Controller For Printing Slitting Machine\" rel=\"noopener\" target=\"_blank\"\u003eweb tension control system\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-start=\"1237\" data-end=\"1384\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/customized-3-inch-6-inch-steel-aluminum-air-expanding-shaft-for-slitting-rewinding-machine\" title=\"High Precision Plate Type Air Expanding Shaft For Winding\" rel=\"noopener\" target=\"_blank\"\u003eair expanding shaft\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-start=\"1237\" data-end=\"1384\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/xw-double-shaft-magnetic-powder-clutch-6nm-400nm?variant=48228556996864\" title=\"Dual Shaft Magnetic Powder Clutch For Industrial Transmission\" rel=\"noopener\" target=\"_blank\"\u003emagnetic powder clutch\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-start=\"1237\" data-end=\"1384\"\u003e\u003ca href=\"https:\/\/xw-machinery.com\/products\/xw-hollow-shaft-magnetic-powder-clutch-6nm-400nm?variant=48228617715968\" title=\"Hollow Shaft Magnetic Powder Clutch Tension Control Clutch\" rel=\"noopener\" target=\"_blank\"\u003eslitter rewinder machine parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1dlxc8i\" data-start=\"3892\" data-end=\"3911\"\u003eWhy Choose XW Machinery?\u003c\/h1\u003e\n\u003cp data-start=\"3913\" data-end=\"4027\"\u003eXW Machinery specializes in industrial tension control and web handling components for slitting and rewinding industries.\u003c\/p\u003e\n\u003ch2 data-section-id=\"5vlm7p\" data-start=\"4029\" data-end=\"4046\"\u003eOur Advantages\u003c\/h2\u003e\n\u003cul data-start=\"4048\" data-end=\"4324\"\u003e\n\u003cli data-section-id=\"vdy91f\" data-start=\"4048\" data-end=\"4084\"\u003eProfessional customization service\u003c\/li\u003e\n\u003cli data-section-id=\"nj95oj\" data-start=\"4085\" data-end=\"4109\"\u003eStable product quality\u003c\/li\u003e\n\u003cli data-section-id=\"1m6ijo0\" data-start=\"4110\" data-end=\"4135\"\u003ePrecision CNC machining\u003c\/li\u003e\n\u003cli data-section-id=\"76tdlf\" data-start=\"4136\" data-end=\"4165\"\u003eCompetitive factory pricing\u003c\/li\u003e\n\u003cli data-section-id=\"1rwi7uj\" data-start=\"4166\" data-end=\"4189\"\u003eFast delivery support\u003c\/li\u003e\n\u003cli data-section-id=\"ouonin\" data-start=\"4190\" data-end=\"4215\"\u003eOEM \u0026amp; ODM manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"17hepyp\" data-start=\"4216\" data-end=\"4269\"\u003eTechnical assistance for selection and installation\u003c\/li\u003e\n\u003cli data-section-id=\"16tfhb1\" data-start=\"4270\" data-end=\"4297\"\u003eReplacement parts support\u003c\/li\u003e\n\u003cli data-section-id=\"1ovizll\" data-start=\"4298\" data-end=\"4324\"\u003eGlobal export experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4326\" data-end=\"4423\"\u003eWe help customers improve rewinding quality, reduce downtime, and optimize production efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Process：\u003c\/strong\u003e\u003cbr\u003e1.    Inquiry: Send us your requirements (Diameter, Length, Material).\u003cbr\u003e2.    Drawing Confirmation: Our engineers provide\/confirm technical drawings within 4 hours.\u003cbr\u003e3.    Quotation: Competitive factory-direct pricing based on specs.\u003cbr\u003e4.    Production: 7-15 days lead time (standard parts).\u003cbr\u003e5.    Quality Check: ISO9001 standard inspection before shipping.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e   Can you customize the shaft length to fit our machine? (Yes, we provide drawings for confirmation.)\u003cbr\u003e2.    What is the MOQ? (1 piece is supported.)\u003cbr\u003e3.    How do you handle shipping for long shafts? (Reinforced wooden cases.)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOur factory has passed ISO9001 quality certification, ensuring quality assurance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/xw_machinery_parts_iso_certification.png?v=1776044132\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"8c8ykw\" data-start=\"4460\" data-end=\"4532\"\u003eWhat is the difference between an air shaft and a differential shaft?\u003c\/h2\u003e\n\u003cp data-start=\"4534\" data-end=\"4697\"\u003eA standard air shaft grips the core directly, while a differential shaft allows controlled slipping between rolls to maintain independent tension during rewinding.\u003c\/p\u003e\n\u003ch2 data-section-id=\"lgwg61\" data-start=\"4699\" data-end=\"4752\"\u003eWhy is a differential shaft important in slitting?\u003c\/h2\u003e\n\u003cp data-start=\"4754\" data-end=\"4894\"\u003eIt helps compensate for thickness variations and tension differences between slit rolls, improving winding consistency and reducing defects.\u003c\/p\u003e\n\u003ch2 data-section-id=\"6myqr9\" data-start=\"4896\" data-end=\"4946\"\u003eWhat materials can differential shafts process?\u003c\/h2\u003e\n\u003cp data-start=\"4948\" data-end=\"5060\"\u003eThey are commonly used for film, paper, foil, tape, labels, nonwoven materials, and flexible packaging products.\u003c\/p\u003e\n\u003ch2 data-section-id=\"105ez95\" data-start=\"5062\" data-end=\"5105\"\u003eCan XW Machinery customize differential shafts?\u003c\/h2\u003e\n\u003cp data-start=\"5107\" data-end=\"5226\"\u003eYes. We provide customized shaft diameters, lengths, friction structures, torque settings, and mounting configurations.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1os2blq\" data-start=\"5228\" data-end=\"5289\"\u003eWhich differential shaft is better: ball type or lug type?\u003c\/h2\u003e\n\u003cp data-start=\"5291\" data-end=\"5436\"\u003eBall type shafts are better for precision and high-speed film applications, while lug type shafts are better for heavy-duty industrial rewinding.\u003c\/p\u003e\n\u003ch2 data-section-id=\"129iea8\" data-start=\"5438\" data-end=\"5468\"\u003eDo you provide spare parts?\u003c\/h2\u003e\n\u003cp data-start=\"5470\" data-end=\"5574\"\u003eYes. We provide friction rings, bearings, air valves, expanding components, and other replacement parts.\u003c\/p\u003e\n\u003ch2 data-section-id=\"w0xhtn\" data-start=\"5576\" data-end=\"5626\"\u003eHow do I choose the correct differential shaft?\u003c\/h2\u003e\n\u003cp data-start=\"5628\" data-end=\"5784\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eYou should consider material type, roll width, rewinding speed, tension requirements, and machine specifications. XW Machinery can help recommend the proper model.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202126_23_29.jpg?v=1775444853\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202119_12_29.jpg?v=1775446339\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional inflatable shaft factory direct sales, welcome to provide drawings or dimensions, we will provide a quotation within 24 hours!\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202120_14_29.jpg?v=1775446344\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202123_18_29.jpg?v=1775446350\" alt=\"\"\u003e\u003c\/p\u003e","brand":"XW Machinery Parts","offers":[{"title":"Default Title","offer_id":48204530712832,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/roller-type-differential-shaft-for-slitting-machine.jpg?v=1779072607"},{"product_id":"key-type-differential-shaft","title":"Key Type Differential Shaft for Slitting \u0026 Rewinding Machines","description":"\u003cp data-end=\"703\" data-start=\"516\"\u003e For precision rewinding applications, combining a key type shaft with a web tension control system can significantly improve roll quality and tension stability. \u003c\/p\u003e\n\u003cp data-end=\"703\" data-start=\"516\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"703\" data-start=\"516\"\u003eXW Machinery key type air expandable shafts are designed for high-speed slitting, rewinding, coating, and converting applications requiring stable core gripping and reliable tension performance.\u003c\/p\u003e\n\u003cp data-end=\"883\" data-start=\"705\"\u003e  Our pneumatic key type shafts provide strong expansion force, accurate roll positioning, and durable operation for paper, film, foil, label, and lithium battery production lines.\u003c\/p\u003e\n\u003cp data-end=\"1008\" data-start=\"885\"\u003e  Customized shaft diameters, lengths, materials, and expansion structures are available for various industrial applications.\u003c\/p\u003e\n\u003ch2 data-end=\"1748\" data-start=\"1704\" data-section-id=\"d43v7m\"\u003eKey Features of XW Machinery Key Type Air Shafts\u003c\/h2\u003e\n\u003cul data-end=\"2094\" data-start=\"1750\"\u003e\n\u003cli data-end=\"1789\" data-start=\"1750\" data-section-id=\"ewtbuv\"\u003eStrong and stable core gripping force\u003c\/li\u003e\n\u003cli data-end=\"1832\" data-start=\"1790\" data-section-id=\"10edpqz\"\u003eSmooth expansion and deflation operation\u003c\/li\u003e\n\u003cli data-end=\"1878\" data-start=\"1833\" data-section-id=\"vnd4wo\"\u003eHigh concentricity for high-speed rewinding\u003c\/li\u003e\n\u003cli data-end=\"1921\" data-start=\"1879\" data-section-id=\"akaqib\"\u003eDurable steel and aluminum shaft options\u003c\/li\u003e\n\u003cli data-end=\"1954\" data-start=\"1922\" data-section-id=\"1voyzt\"\u003eStable web tension performance\u003c\/li\u003e\n\u003cli data-end=\"2004\" data-start=\"1955\" data-section-id=\"1uvpc5a\"\u003eSuitable for heavy-duty industrial applications\u003c\/li\u003e\n\u003cli data-end=\"2053\" data-start=\"2005\" data-section-id=\"hsfevc\"\u003eCustomized shaft diameter and length available\u003c\/li\u003e\n\u003cli data-end=\"2094\" data-start=\"2054\" data-section-id=\"j1b6fm\"\u003eLong service life with low maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2099\" data-start=\"2096\"\u003e\n\u003ch2 data-end=\"2150\" data-start=\"2101\" data-section-id=\"h9f72f\"\u003eApplications of Key Type Air Expandable Shafts\u003c\/h2\u003e\n\u003cp data-end=\"2195\" data-start=\"2152\"\u003eOur key type air shafts are widely used in:\u003c\/p\u003e\n\u003cul data-end=\"2447\" data-start=\"2197\"\u003e\n\u003cli data-end=\"2216\" data-start=\"2197\" data-section-id=\"xnjm20\"\u003eSlitting machines\u003c\/li\u003e\n\u003cli data-end=\"2237\" data-start=\"2217\" data-section-id=\"1p20nzx\"\u003eRewinding machines\u003c\/li\u003e\n\u003cli data-end=\"2256\" data-start=\"2238\" data-section-id=\"m30gp3\"\u003eCoating machines\u003c\/li\u003e\n\u003cli data-end=\"2277\" data-start=\"2257\" data-section-id=\"1lil36f\"\u003ePrinting machinery\u003c\/li\u003e\n\u003cli data-end=\"2305\" data-start=\"2278\" data-section-id=\"1gycj2z\"\u003eFilm converting equipment\u003c\/li\u003e\n\u003cli data-end=\"2330\" data-start=\"2306\" data-section-id=\"124l5ew\"\u003ePaper processing lines\u003c\/li\u003e\n\u003cli data-end=\"2359\" data-start=\"2331\" data-section-id=\"3fg25w\"\u003eFlexible packaging systems\u003c\/li\u003e\n\u003cli data-end=\"2384\" data-start=\"2360\" data-section-id=\"j0mpic\"\u003eFoil slitting machines\u003c\/li\u003e\n\u003cli data-end=\"2419\" data-start=\"2385\" data-section-id=\"1dbpzzn\"\u003eLithium battery production lines\u003c\/li\u003e\n\u003cli data-end=\"2447\" data-start=\"2420\" data-section-id=\"1sbxipz\"\u003eLabel rewinding equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSteel vs Aluminum Key Type Air Shaft\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eAdvantages\u003c\/th\u003e\n\u003cth\u003eRecommended Applications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteel Key Type Shaft\u003c\/td\u003e\n\u003ctd\u003eHigher load capacity and durability\u003c\/td\u003e\n\u003ctd\u003eHeavy rolls, wide-width materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAluminum Key Type Shaft\u003c\/td\u003e\n\u003ctd\u003eLightweight and suitable for high-speed operation\u003c\/td\u003e\n\u003ctd\u003eFilm, label, and lightweight converting materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"2602\" data-start=\"2449\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"2602\" data-start=\"2449\"\u003e  For advanced rewinding performance, key type shafts are often integrated with a web tension control system to improve tension stability and roll quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e  XW Machinery\u003c\/strong\u003e specializes in customizing Key Type flexible inflatable shafts, designed specifically for tile coating machines, bearing positioning, and precision coating production lines. Adopting a pneumatic expansion+key bar locking structure, it can quickly and evenly clamp the core, achieving efficient and slip free winding and unwinding.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Type\u003c\/td\u003e\n\u003ctd\u003eKey Type Air Expandable Shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Size\u003c\/td\u003e\n\u003ctd\u003e1 inch, 3 inch, 6 inch, customized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel \/ Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Type\u003c\/td\u003e\n\u003ctd\u003ePneumatic Expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eWinding \u0026amp; Rewinding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Speed\u003c\/td\u003e\n\u003ctd\u003eCustomized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003eHard Chrome \/ Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustomization\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/ScreenShot_2026-04-08_163624_707.png?v=1775637531\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/Key-Type_Air_Expanding_Shaft_drawing_parameter.png?v=1776076391\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical parameters (customizable)\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 45 # steel\/seamless steel pipe\/aluminum alloy (optional)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInflatable diameter: 3 inches, 6 inches (supports other sizes)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe length, shaft head form, and number of key bars can be customized according\u003c\/li\u003e\n\u003cli\u003eto the drawings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorking pressure: 0.4-0.8 MPa\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCertification: ISO9001 Factory Certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1081\" data-start=\"1038\" data-section-id=\"2x8uii\"\u003eWhat Is a Key Type Air Expandable Shaft?\u003c\/h2\u003e\n\u003cp data-end=\"1349\" data-start=\"1083\"\u003eA key type air expandable shaft is a pneumatic winding shaft designed to securely grip paper cores during winding and unwinding operations. After air inflation, the expansion keys extend outward evenly to lock the core firmly and maintain stable torque transmission.\u003c\/p\u003e\n\u003cp data-end=\"1524\" data-start=\"1351\"\u003e Compared with standard lug structures, key type air shafts provide stronger core engagement, better concentricity, and smoother operation in high-speed converting equipment.\u003c\/p\u003e\n\u003cp data-end=\"1697\" data-start=\"1526\"\u003e XW Machinery manufactures customized key type air expandable shafts for slitting machines, rewinding systems, coating lines, printing equipment, and flexible packaging machinery.\u003c\/p\u003e\n\u003cp data-end=\"1697\" data-start=\"1526\"\u003e XW Machinery also provides high-performance differential air shafts and slitter rewinder machine parts for advanced converting industries.\u003c\/p\u003e\n\u003cp data-end=\"1697\" data-start=\"1526\"\u003e Many high-speed slitting machines use a magnetic powder clutch together with pneumatic shafts to achieve accurate torque control.\u003c\/p\u003e\n\u003ch2 data-end=\"2970\" data-start=\"2950\" data-section-id=\"1kj9kep\"\u003eWhy Choose XW Machinery?\u003c\/h2\u003e\n\u003cp data-end=\"3133\" data-start=\"2972\"\u003eXW Machinery specializes in precision web handling components for modern converting industries. We provide customized pneumatic shaft solutions for customers worldwide.\u003c\/p\u003e\n\u003cp data-end=\"3161\" data-start=\"3135\"\u003eOur main products include:\u003c\/p\u003e\n\u003cul data-end=\"3315\" data-start=\"3163\"\u003e\n\u003cli data-end=\"3185\" data-start=\"3163\" data-section-id=\"3zwn67\"\u003e\u003ca rel=\"noopener\" title=\"Industrial Air Expanding Shaft For Winding Slitting Machine\" href=\"https:\/\/xw-machinery.com\/products\/pneumatic-expanding-shaft-400nm\" target=\"_blank\"\u003eAir expanding shafts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3211\" data-start=\"3186\" data-section-id=\"bon87c\"\u003e\u003ca rel=\"noopener\" title=\"Differential Slip Shaft For Film Paper Rewinding\" href=\"https:\/\/xw-machinery.com\/products\/3-6-pneumatic-ball-type-differential-friction-shaft-for-slitter-rewinder-machine-xw-machinery\" target=\"_blank\"\u003eDifferential air shafts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3238\" data-start=\"3212\" data-section-id=\"1a6sj5q\"\u003e\u003ca rel=\"noopener\" title=\"Dual Shaft Magnetic Powder Clutch Tension Transmission\" href=\"https:\/\/xw-machinery.com\/products\/xw-double-shaft-magnetic-powder-clutch-6nm-400nm?variant=48228557029632\" target=\"_blank\"\u003eMagnetic powder clutches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3260\" data-start=\"3239\" data-section-id=\"mtr3ld\"\u003e\u003ca rel=\"noopener\" title=\"Web Guide Correction System For Printing Packaging Line\" href=\"https:\/\/xw-machinery.com\/products\/servo-linear-actuator-epc-web-guide-system\" target=\"_blank\"\u003eWeb guiding systems\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3282\" data-start=\"3261\" data-section-id=\"qsztdv\"\u003e\u003ca rel=\"noopener\" title=\"Precision Tension Controllers for Rolling \u0026amp; Slitting Lines\" href=\"https:\/\/xw-machinery.com\/products\/split-tension-controller-magnetic-powder-brake-system\" target=\"_blank\"\u003eTension controllers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3315\" data-start=\"3283\" data-section-id=\"m7mtss\"\u003e\u003ca rel=\"noopener\" title=\"Hollow Shaft Magnetic Powder Clutch For Tension Control\" href=\"https:\/\/xw-machinery.com\/products\/xw-hollow-shaft-magnetic-powder-clutch-6nm-400nm?variant=48228617748736\" target=\"_blank\"\u003eSlitter rewinder machine parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3461\" data-start=\"3317\"\u003eWith stable quality control and flexible customization capability, XW Machinery supports a wide range of industrial winding and rewinding applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrdering Process：\u003c\/strong\u003e\u003cbr\u003e1.    Inquiry: Send us your requirements (Diameter, Length, Material).\u003cbr\u003e2.    Drawing Confirmation: Our engineers provide\/confirm technical drawings within 4 hours.\u003cbr\u003e3.    Quotation: Competitive factory-direct pricing based on specs.\u003cbr\u003e4.    Production: 7-15 days lead time (standard parts).\u003cbr\u003e5.    Quality Check: ISO9001 standard inspection before shipping.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e   Can you customize the shaft length to fit our machine? (Yes, we provide drawings for confirmation.)\u003cbr\u003e2.    What is the MOQ? (1 piece is supported.)\u003cbr\u003e3.    How do you handle shipping for long shafts? (Reinforced wooden cases.)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eOur factory has passed ISO9001 quality certification, ensuring quality assurance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/xw_machinery_parts_iso_certification.png?v=1776044132\"\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"3932\" data-start=\"3888\" data-section-id=\"mlix21\"\u003eWhat is a key type air expandable shaft?\u003c\/h3\u003e\n\u003cp data-end=\"4101\" data-start=\"3934\"\u003eA key type air expandable shaft is a pneumatic shaft that expands outward using key bars to securely hold paper or film cores during rewinding and unwinding processes.\u003c\/p\u003e\n\u003chr data-end=\"4106\" data-start=\"4103\"\u003e\n\u003ch3 data-end=\"4159\" data-start=\"4108\" data-section-id=\"7jys1v\"\u003eWhat are the advantages of key type air shafts?\u003c\/h3\u003e\n\u003cp data-end=\"4307\" data-start=\"4161\"\u003eKey type shafts provide strong gripping force, stable rotation, high concentricity, and reliable operation for high-speed converting applications.\u003c\/p\u003e\n\u003chr data-end=\"4312\" data-start=\"4309\"\u003e\n\u003ch3 data-end=\"4358\" data-start=\"4314\" data-section-id=\"cgntvm\"\u003eWhat industries use key type air shafts?\u003c\/h3\u003e\n\u003cp data-end=\"4473\" data-start=\"4360\"\u003eThey are widely used in paper, film, foil, flexible packaging, printing, coating, and lithium battery industries.\u003c\/p\u003e\n\u003chr data-end=\"4478\" data-start=\"4475\"\u003e\n\u003ch3 data-end=\"4514\" data-start=\"4480\" data-section-id=\"1bskr3h\"\u003eCan you customize shaft sizes?\u003c\/h3\u003e\n\u003cp data-end=\"4643\" data-start=\"4516\"\u003eYes. XW Machinery supports customized shaft diameters, lengths, materials, and expansion structures according to machine requirements.\u003c\/p\u003e\n\u003chr data-end=\"4648\" data-start=\"4645\"\u003e\n\u003ch3 data-end=\"4684\" data-start=\"4650\" data-section-id=\"1u6g2fl\"\u003eWhat core sizes are available?\u003c\/h3\u003e\n\u003cp data-end=\"4782\" data-start=\"4686\"\u003eCommon sizes include 1 inch, 3 inch, and 6 inch cores, with customized specifications available.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202126_23_29.jpg?v=1775444853\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202119_12_29.jpg?v=1775446339\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eWe are a professional manufacturer of inflatable shafts in China, specializing in the production of various types of inflatable shafts, pneumatic clamps, and friction shafts. We have served hundreds of coating, printing, and packaging enterprises worldwide. Do you need drawings or quotations? Click on 'Get A Quote' or contact customer service, reply within 4 hours!\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202120_14_29.jpg?v=1775446344\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/20260313202123_18_29.jpg?v=1775446350\" alt=\"\"\u003e\u003c\/p\u003e","brand":"XW Machinery Parts","offers":[{"title":"Default Title","offer_id":48204534972672,"sku":null,"price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/key-type-differential-shaft-for-slitting-machine.jpg?v=1779075558"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/collections\/xw-machinery-differential-shaft-slip-shaft-for-slitting-rewinding.jpg?v=1780641041","url":"https:\/\/xw-machinery.com\/collections\/differential-shafts.oembed","provider":"XW Machinery","version":"1.0","type":"link"}