Slitting & Rewinding Technical Guides

Practical, field-tested guides for slitting, rewinding and converting lines: how to size, select and maintain air shafts, differential shafts, magnetic powder brakes and clutches, tension controllers and web guiding systems. Written by XW Machinery application engineers for plant engineers and purchasing teams.

Not sure which shaft or brake fits your line? Send us your core size, roll weight and line speed — our engineers reply with a sizing recommendation.

Trục khí nén cho máy quấn lại màng

How to choose an air shaft for film rewinding machines — core grip, lug vs leaf vs strip, torque and slip, balance at speed, differential options, and a practical selection...

Trục khí nén cho máy quấn lại màng

How to choose an air shaft for film rewinding machines — core grip, lug vs leaf vs strip, torque and slip, balance at speed, differential options, and a practical selection...

Phanh bột từ quá nhiệt: Nguyên nhân và cách khắ...

Magnetic powder brake overheating? See why unwind brakes run hot all roll long, calculate slip power as F x V / 60000, and fix the seven causes we see most.

Phanh bột từ quá nhiệt: Nguyên nhân và cách khắ...

Magnetic powder brake overheating? See why unwind brakes run hot all roll long, calculate slip power as F x V / 60000, and fix the seven causes we see most.

Cách bảo trì trục khí nén mở rộng

Learn how to maintain an air expanding shaft — air quality, bladder and valve care, journals, safe inspection steps, and the triggers that mean repair.

Cách bảo trì trục khí nén mở rộng

Learn how to maintain an air expanding shaft — air quality, bladder and valve care, journals, safe inspection steps, and the triggers that mean repair.

Phanh bột từ dùng để làm gì?

A magnetic powder brake holds precise web tension on unwinds, loads test stands and limits torque. See 10 uses by machine, sizing rules and when to skip it.

Phanh bột từ dùng để làm gì?

A magnetic powder brake holds precise web tension on unwinds, loads test stands and limits torque. See 10 uses by machine, sizing rules and when to skip it.

Cách lắp đặt trục khí nén mở rộng

Step-by-step guide to installing an air expanding shaft: safety checks, chuck mounting, clean air supply, runout alignment, core testing and commissioning.

Cách lắp đặt trục khí nén mở rộng

Step-by-step guide to installing an air expanding shaft: safety checks, chuck mounting, clean air supply, runout alignment, core testing and commissioning.

Ly hợp bột từ mất mô-men: Nguyên nhân và cách k...

A magnetic powder clutch losing torque? Learn the 10 real causes behind it, a 20-minute diagnostic sequence, and the fixes that restore rated tension.

Ly hợp bột từ mất mô-men: Nguyên nhân và cách k...

A magnetic powder clutch losing torque? Learn the 10 real causes behind it, a 20-minute diagnostic sequence, and the fixes that restore rated tension.

Cách trục khí nén giữ lõi giấy hoặc lõi màng

Discover how an air shaft grips paper and film cores through inflatable bladder technology, radial expansion, and friction. Learn component functions and selection tips.

Cách trục khí nén giữ lõi giấy hoặc lõi màng

Discover how an air shaft grips paper and film cores through inflatable bladder technology, radial expansion, and friction. Learn component functions and selection tips.

Ly hợp bột từ quá nhiệt: Nguyên nhân và cách kh...

A magnetic powder clutch overheating? Learn the 8 real causes, how to measure slip power in 15 minutes, and the cooling fixes that stop thermal drift.

Ly hợp bột từ quá nhiệt: Nguyên nhân và cách kh...

A magnetic powder clutch overheating? Learn the 8 real causes, how to measure slip power in 15 minutes, and the cooling fixes that stop thermal drift.

Hướng dẫn chọn mô-men ly hợp bột từ | XW Machinery

Size magnetic powder clutch torque correctly: tension x radius formula, service factor, slip-power thermal check and a worked rewinder example for converters.

Hướng dẫn chọn mô-men ly hợp bột từ | XW Machinery

Size magnetic powder clutch torque correctly: tension x radius formula, service factor, slip-power thermal check and a worked rewinder example for converters.

Ly hợp bột từ hoạt động như thế nào? | XW Machi...

See how a magnetic powder clutch works: powder, coil and torque transmission explained, with sizing, slip-heat and duty-cycle tips for winders and rewinders.

Ly hợp bột từ hoạt động như thế nào? | XW Machi...

See how a magnetic powder clutch works: powder, coil and torque transmission explained, with sizing, slip-heat and duty-cycle tips for winders and rewinders.

Các bộ phận của trục nở khí nén và chức năng củ...

Learn the 8 core air expanding shaft components, how each part works, and how the assembly grips and releases a paper or film core.

Các bộ phận của trục nở khí nén và chức năng củ...

Learn the 8 core air expanding shaft components, how each part works, and how the assembly grips and releases a paper or film core.

Trục vi sai bị trượt: Nguyên nhân và cách khắc ...

Differential shaft slipping? Diagnose worn friction rings, low slip torque, contamination, core ID errors and chuck slip — with proven fixes and prevention.

Trục vi sai bị trượt: Nguyên nhân và cách khắc ...

Differential shaft slipping? Diagnose worn friction rings, low slip torque, contamination, core ID errors and chuck slip — with proven fixes and prevention.