... heating, the adjustment, the transmission and vacuum filter oil etc. Parts. The screw by carburizing by alloy steel ... of the grinding surface grinder, ensure the precision of oil line, improve yield efficiency; The power distribution, vacuum, ... square metre to meet the need of the production.Oil press machineTypeD-1685D-1688ZL-120Squeeze screw diameter80mm100mm120mmBarrel diameter82mm102mm122mmSqueeze ...