... can finish distributing roving, impregnation, pre-molding, winding, heating and curing, unwinding, fix-length cutting and pile up automatically. A ... line mainly consists of roving racks, resin bath, winding, heating oven, unwinding device, traction machine, cutting saw and racks for ... make the roving dip in the resin sufficiently.c. Winding&unwinding device: adopts gear wheel to drive the roller turn ...