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.

Magnetic Powder Clutch Working Principle Explained

Magnetic powder clutch working principle explained step by step — how magnetic powder transfers torque, why torque follows excitation current, and where it fits in web tension control.

Magnetic Powder Clutch Working Principle Explained

Magnetic powder clutch working principle explained step by step — how magnetic powder transfers torque, why torque follows excitation current, and where it fits in web tension control.

How Does a Linear Actuator Work? | XW Machinery

Learn how a linear actuator works—from motor and screw conversion to closed-loop feedback, and how servo actuators drive precise web guiding in converting.

How Does a Linear Actuator Work? | XW Machinery

Learn how a linear actuator works—from motor and screw conversion to closed-loop feedback, and how servo actuators drive precise web guiding in converting.

How to Calculate Magnetic Powder Clutch Torque

Learn to calculate magnetic powder clutch torque from web tension and roll radius, with safety margins, worked examples, and guidance for web tension control.

How to Calculate Magnetic Powder Clutch Torque

Learn to calculate magnetic powder clutch torque from web tension and roll radius, with safety margins, worked examples, and guidance for web tension control.

How a Differential Shaft Improves Multi-Roll Re...

A differential shaft improves multi-roll rewinding by letting each rewind roll hold its own tension, so uneven rolls wind evenly without telescoping or core slip.

How a Differential Shaft Improves Multi-Roll Re...

A differential shaft improves multi-roll rewinding by letting each rewind roll hold its own tension, so uneven rolls wind evenly without telescoping or core slip.

What Is a Linear Actuator? Complete Guide | XW ...

A linear actuator turns rotary motion into precise straight-line movement. Discover how electric, servo and pneumatic actuators work and how to choose one.

What Is a Linear Actuator? Complete Guide | XW ...

A linear actuator turns rotary motion into precise straight-line movement. Discover how electric, servo and pneumatic actuators work and how to choose one.

Differential Shaft for Slitting and Rewinding M...

A differential shaft for slitting and rewinding machines lets each roll wind at its own tension, so mixed-diameter sets build even, tight rolls with less scrap.

Differential Shaft for Slitting and Rewinding M...

A differential shaft for slitting and rewinding machines lets each roll wind at its own tension, so mixed-diameter sets build even, tight rolls with less scrap.

Differential Shaft vs Friction Shaft for Slitti...

A differential shaft vs friction shaft choice shapes roll quality on a slitting machine. This guide compares tension control, roll mix, cost, and maintenance so you can pick the right...

Differential Shaft vs Friction Shaft for Slitti...

A differential shaft vs friction shaft choice shapes roll quality on a slitting machine. This guide compares tension control, roll mix, cost, and maintenance so you can pick the right...

Differential Shaft Not Rewinding Properly: Trou...

A differential shaft that will not rewind properly stops a line. This guide covers why rolls fail to wind, and the fixes that restart the rewinder quickly.

Differential Shaft Not Rewinding Properly: Trou...

A differential shaft that will not rewind properly stops a line. This guide covers why rolls fail to wind, and the fixes that restart the rewinder quickly.

How to Maintain a Differential Shaft

Differential shaft maintenance keeps multi-roll rewinders producing uniform rolls. Daily checks, cleaning steps, and wear-part swaps prevent uneven tension.

How to Maintain a Differential Shaft

Differential shaft maintenance keeps multi-roll rewinders producing uniform rolls. Daily checks, cleaning steps, and wear-part swaps prevent uneven tension.

How to Fix Web Misalignment on a Slitting Machine

Fix web misalignment on a slitting machine with a 7-step routine: sensor calibration, roller parallelism, core alignment, tension reset. XW Machinery quote.

How to Fix Web Misalignment on a Slitting Machine

Fix web misalignment on a slitting machine with a 7-step routine: sensor calibration, roller parallelism, core alignment, tension reset. XW Machinery quote.

Differential Shaft vs Air Shaft: Fasibang Print...

Differential shaft vs air shaft: how each controls torque and tension, why air shafts leave uneven rolls, and when to upgrade your rewinder. Ask XW Machinery.

Differential Shaft vs Air Shaft: Fasibang Print...

Differential shaft vs air shaft: how each controls torque and tension, why air shafts leave uneven rolls, and when to upgrade your rewinder. Ask XW Machinery.

Differential Shaft Uneven Tension: Causes and F...

Differential shaft uneven tension wastes rolls and slows a rewinder. This guide covers the common causes — from slip-torque drift to worn couplings — and the step-by-step fixes that restore...

Differential Shaft Uneven Tension: Causes and F...

Differential shaft uneven tension wastes rolls and slows a rewinder. This guide covers the common causes — from slip-torque drift to worn couplings — and the step-by-step fixes that restore...