... low noise. BRIEF INTRODUCTION:SX-460E(Program-control model)is programmable semi- automatic sewing machine is used to sew the books which ... ,convenient operation,frequency speed control,safety design and etc.PLC program-control system is adopted in this machine.During operation,thread broken, ... 2300*1400*1400Weight of machineabout 1100kg SX-460E Semi-automatic sewing machine(program-control model)