Enterprise Name: Jiashan Wang Machinery Co., Ltd.
Contact person: Manager Zhang 15921811816
General Wang 13806713135
Address: No. 31, Lane 9, Taishan Road, Huimin Street, Jiashan County, Zhejiang Province
The manufacturer of hot press tells you that there are two basic working requirements for the hydraulic system of hot press。 Put pressure on the workpiece and drive the hot-pressing plate to end the specific movement。 Rapid closure and pressure-holding stability are important objectives for identifying the functions of hydraulic systems。
Because the heating and curing of glue should be finished in the holding stage, the fast closing speed is beneficial to the process and power. On the one hand, it can reduce the heating of slab under non-pressure, prevent the slab surface from losing too much water, cause warping, and also prevent the pre-curing of glue and decrease the quality of glue. On the other hand, it can shorten the assistant time and raise the quality of glue. Productivity of high-pressure press. In order to make the press open and close smoothly, mechanical synchronization equipment is usually set up or hydraulic system is used to keep synchronization.
Hydraulic cylinder is the central part of the hydraulic system. Nowadays, plunger hydraulic cylinder is used in most wood processing presses. Large diameter cylinder plungers are mostly cast with alloys, which are characterized by high hardness, thick hardness layer, scratch resistance and better use than carbon steel heat treatment plungers; small diameter cylinder plungers are mainly chromium plated on carbon steel heat treatment surface, with thin surface hardness layer.
Because hot press generally requires fast opening and closing speed and acceptance of impact pressure, there is a need to select higher strength material for cylinder block. For general hydraulic cylinders with small diameter and long stroke, seamless thick-walled steel tube can be used to make them. For some cylinders with high requirements, casting or casting cylinders can be used.
Generally, the working table of the hot press for wood processing and furniture making is larger. In order to make the pressure distribution uniform, and considering the rationality of the structure placement, the multi-cylinder structure is mostly used.
There are not many problems in the production of the hot press itself, but a large part of them come from the hydraulic system, such as oil leakage and pressure holding. Many common knowledge and requirements about hydraulic system can not be described here, but great attention should be paid to the selection.