Texturing and self-lubricating treatment method for metal plastic forming die
A technology of plastic forming and treatment method, which is applied in the field of self-lubricating treatment of metal plastic forming molds. It can solve the problems of increasing local friction, high-temperature lubrication of air-conditioning compressor rotors and end plates, etc., so as to reduce plastic flow resistance and protect the working environment. and the health of the operator, the effect of easy operation
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[0048] combine figure 1 , at the rounded corners of the drawing punch 1 and the flange of the drawing die 5, a series of micro-cavities are formed by laser micromachining, and a solid lubricant 7 is pressed in, so that a solid lubricant is formed on the surface of the mold during the forming process. Self-lubricating film8. By setting the storage chamber 6, it can play the role of collecting abrasive grains and lubricant.
[0049] The present invention is further illustrated below with specific examples.
[0050] 1) Laser surface texturing micromachining process.
[0051] Laser micromachining is carried out on the end face of the sample with a diode-pumped Nd:YAG laser. The laser wavelength is 532nm, the processing current is 15A, the number of pulse repetitions is 4 times, and the cavity spacing is 300mm×300mm. The obtained microcavities and their distribution are as follows Figure 5 As shown, the microcavities are neatly arranged and uniform in size. The cross-sectiona...
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