... the cam system is quiet ompact, actions such as knitting, tucking,on knitting, loop delivering, loop taking are all concentrated in one ... whole bed, hence to minimize the economic lose.6. Mian roller:Stepping motor controlled 32 seletable levels, each level has a ... of carrier rail according to program setting14. Take up DeviceMain roller , moment motor controlled, 24 selectable levels, each level has ...