Shenzhen WT Hardware and Plastics
Tel: +86-755-27673590, 23143539
Add: 5B2, Jiangshi Building, Fuyong, Shenzhen, China
Our main products: Injection Mold, Molding Parts, Die Casting Mold, CNC machining of high quality
The flatness of the mold is not enough, resulting in the cause of deflection.
The quality of the surface of the working parts of the die has a very close relationship with the wear resistance, fracture resistance and adhesion resistance of the die, which directly affects the service life of the die, especially the surface roughness value which has a great influence on the die life. If the surface roughness is too large, the stress concentration will be produced in the work, and the cracks are easily produced between the peaks and the valleys. The durability of the die can be affected and the corrosion resistance of the workpiece surface will be affected, and the life and precision of the die can be affected directly. Therefore, the Shenzhen plastic mould factory will pay attention to the following matters:
(1) during the processing of the working parts of the mold, it is necessary to prevent the surface of the burned parts. The grinding process conditions and process methods should be strictly controlled (such as the grinding wheel hardness, grain size, cooling fluid, feed and so on).
(2) during the process of processing, the surface of the working parts of the mould should be prevented from the macroscopic defects such as knife marks, interlayer, crack and impact mark. The existence of these defects will cause the stress concentration, become the root of the fracture and cause the early failure of the die;
(3) use grinding, polishing and polishing finishing and fine processing to obtain smaller surface roughness values and improve die life.