Detailed Product Description 1.Purpose Pin barrel cold feed rubber extruders are mainly ... barrel,screw,head,TCU and electrical control system etc.Pin-barrel cold-feed extruder(XJD)SizesScrew diameter(mm)L ... section),which is located between the gearbox and the pin-barrel,is equipped with a wide hopper for easy ... HRC60~64.Multi-row pins are arranged on the pin-type barrel in a way of fixed distance,pins ...