Tensionless Inspection & Rolling Machine: Model: MB551W It is used for knitting & non-spinning clot etc. Features: Imported Inverter for sperd-regulating. Imported Photoelectric controller for auto-aligning. Electric counter meter or adjustable electronic length meter( allows to count, fix & totalize the length in meter or yard as well as display the inspecting-rolling speed ). Free sdjustment of fabric tightness by roller speed differential device, a pioneering innovation of its kinds in China. Control panel can be turned flexible, operation is easy & comfortably. Suitable for grey, finished & knitted fabrics. Lighting arrangement at top or bottom. Various options of fabric input & output. Specifications: 500 mm max. dia. of fabric roller 5-55 m / min( stepless )speed of rolling edge-aligning error for legth-counting<0.5%, diamension( L*W*H ) 3300*3100*2000 mm 1200 kg machine weight.