... of the head is adjustable. When working, the conveying belt drives the mattress to proceed, When one side is finished, the ... , Featuring the heavy-duty 300U Chain stitch sewing head and variable speed control, the TapeMaster is capable of taping all sizes of ... for today’s heavy premium and pillowtop mattresses, the high-speed head sews up to 3000 RPM. 3, The operator remains ...