This unwinding & winding unit is used for web feeding and take-up. It can be matched with calendaring machines for lithium battery anode and cathode calendaring, and also applicable to optical films, functional films and other roll materials.

Key Features

Separated unwinder and rewinder for matching with twin roll calender
Active rewinding with open-loop constant torque tension control
Adjustable torque for unwinding and winding sections

Technical Specifications

Web Travel Mode	Continuous operation
Guide Roller Width	200 mm
Max Mechanical Speed	1.5 m/min
Max Tension	50 N
Roll Core	3-inch air shaft
Max Roll Diameter	200 mm
Unwinder Installation Dimensions	L250 × W400 × H280 mm
Rewinder Installation Dimensions	L350 × W530 × H280 mm
Power Supply	Single-phase AC220V ±10% (110VAC customizable), 50/60 Hz
Rated Power	0.1 kW
Net Weight	32 kg

Applications

Web feeding and take-up before/after calendering of lithium battery anode and cathode electrodes
Use as an integrated unwind-rewind module on twin-roll calender lines
Lab-scale processing of other roll materials such as optical and functional films

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