>> Performance and Characteristics: This machine, of 2.2/3kw main motor only, is our latest and energy - saving invention. It adopts cardioid cam replacing the reciprocating screw in combination winder, reciprocating moving wholly adopts rolling friction resulting in less attrition of parts, stable movement and flat winding spindle! The overall length is greatly shortened because of double-side winding with 5 layers each, which is very suitable for matching with a large size tape drawing machine!