brassiere lace sewing machine is suitable for sewing cloth,mattre cover,pillowcase,auto-seat covers,tent,packing string,handbag,toy,table cloth etc Function 1.no spark when the machine is working,don't damage the edge of fabric,clean and tidy 2.easy to change the floral whorl,we can manufactur different size floral whorl according your need 3.no need to preheating and long working time 4.Several pieces of machines working together can convenient to make mass products such as brolly, quilt cover 5.the floral whorl made up of alloy steel,so,the machine can keeping long time 6.easy to operate and maintain.Adopt 20kHZ lo noise ultrasoni device against the noise Specification Model - RFS-50 Dimention - W1200*L550*H1020 Working table - W*1200*L535*H750 Frequency - 20KHZ Max speed(Unloading) - 0-18m/min Welding width - 1.0-48mm Power - 220V 6A 1P 110V 12 Output power - 1200w Motor - 1200w Air compressing requirement - 6KGS/cm²