Hydraulic machine (also known as: Hydraulic Press) hydraulic press is a kind of metal, plastic, rubber, wood, powder and other products by the use of liquid static pressure. Hydraulic machine is commonly used in the pressing process and pressing forming process, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet metal, powder metallurgy, pressing etc.
Its principle is the use of Pascal's law made by the use of liquid pressure transmission machinery, a lot of variety. Of course, use is also based on the needs of a variety of. If the liquid type according to the transfer pressure, there are two types of oil press and hydraulic press.