The modernization of the mold manufacturing technology is the basis for the development of mold industry. With the development of science and technology, computer technology, information technology, automation technology and other advanced technology is to penetrate the traditional manufacturing technology, the cross, the integration of its implementation of the transformation, the formation of advanced
manufacturing technology.
Mold of advanced manufacturing technology development is mainly reflected in:
A. High-speed milling
Ordinary milling using low feed speed and cutting parameters, high-speed milling with high feed speed and cutting parameters, high-speed milling for ordinary milling has the following characteristics:
a highly efficient high-speed milling spindle speed is generally 15000r/min ~ 40000r/min, the maximum rate of 100000r/min. When cutting steel, the cutting speed of approximately 400m/min, 5 to 10 times higher than conventional milling; in the machining of the mold cavity with the traditional processing methods (conventional milling, EDM machining, etc.) compared to its efficiency increased 4-5 times.
b high-precision high-speed milling machining accuracy in general is 10μm, some precision is even higher.
c. high surface quality due to the high-speed milling workpiece temperature rise (about 3 ° C), therefore no deterioration on the surface layer and micro-cracks, the thermal deformation is also small.
The best surface roughness Ra of less than 1μm, reducing the subsequent grinding and polishing workload.
d machinability of hard materials milling 50 ~ 54HRC steel milling the maximum hardness up to 60HRC.
In view of the high-speed processing with the above-mentioned advantages of high speed machining has been widely used in mold manufacturing Chiang Kai-shek, and gradually replace some of the grinding and EDM.
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