Cold stamping die custom opening die
High precision stamping die manufacturers
Mold manufacturing technology modernization is the foundation of mold industry development. With the development of science and technology, computer technology, information technology, automation technology and other advanced technologies are constantly penetrating into the traditional manufacturing technology, cross, integration, the implementation of its transformation, the formation of advanced manufacturing technology. New stamping die tapping technology, led a lot of stamping manufacturers in order to reduce costs, caused a rush of buying.
The development of mold advanced manufacturing technology is mainly reflected in:
High speed milling
Ordinary milling uses low feed speed and large cutting parameters, while high-speed milling uses high feed speed and small cutting parameters. Compared with ordinary milling, high-speed milling has the following characteristics:
a. The spindle speed of high efficiency and high speed milling is generally 15000r/min ~ 40000r/min and up to 100000r/min. When cutting steel, the cutting speed is about 400m/min, which is 5 ~ 10 times higher than the traditional milling process. Compared with the traditional machining methods (traditional milling, EDM forming, etc.), the efficiency of the mold cavity is increased by 4 ~ 5 times.
b. The machining accuracy of high precision and high speed milling is generally 10μm, and some accuracy is even higher.
C. High surface quality Because the workpiece temperature rise during high-speed milling is small (about 3°C), there is no metamorphic layer and micro-cracks on the surface, and the thermal deformation is small. The best surface roughness Ra is less than 1μm, which reduces the work of subsequent grinding and polishing.
d. Can process high hard materials can be milling 50 ~ 54HRC steel, milling the maximum hardness of 60HRC.
In view of the advantages of high speed machining, so high speed machining is widely used in die manufacturing, and gradually replace partial grinding and electrical machining.
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