Surface polishing method of copper musical instrument part
A technology for surface polishing and parts, applied in the field of surface polishing of copper musical instrument parts, can solve the problems of unsatisfactory polishing effect, irregular angle, complex shape, etc., achieve fast polishing speed, good toughness and elasticity, and improve work efficiency Effect
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Embodiment 1
[0018] The surface polishing method of embodiment 1 trumpet
[0019] It specifically includes the following steps:
[0020] 1) Preparation steps of coarse abrasive
[0021] Get the following components in percentage by weight: 95% of walnut sand, 5% of pentaerythritol stearate, and grind to prepare 12 purpose powder, acquired;
[0022] 2) Preparation steps of fine abrasive
[0023] Get the following components in percentage by weight: 95% of walnut sand, 5% of pentaerythritol stearate, grind to prepare 20 mesh powders, acquired;
[0024] 3) Polishing step
[0025] Hang and fix the copper device in the mechanical rotating drum through the hanger, add the prepared coarse abrasive, adjust the outer drum speed to 40 rpm, and the inner drum at 100 rpm, and the rotating time is 2.5h; the mechanical rotating drum Pour out the coarse abrasives in the barrel, add the fine abrasives obtained in step 2), adjust the rotation speed of the outer drum to 30 rpm, and the inner drum to 12...
Embodiment 2
[0026] The surface polishing method of embodiment 2 saxophone
[0027] It specifically includes the following steps:
[0028] 1) Preparation steps of coarse abrasive
[0029] Get the following components in percentage by weight: 80% of walnut sand, 20% of pentaerythritol stearate, grind to prepare 10 mesh powders, acquired;
[0030] 2) Preparation steps of fine abrasive
[0031] Get the following components in percentage by weight: 99% of walnut sand, 1% of pentaerythritol stearate, grind to prepare 30 mesh powder, acquired;
[0032] 3) Polishing step
[0033] Hang and fix the copper device in the mechanical rotating drum through the hanger, add the prepared coarse abrasive, adjust the outer drum speed to 60 rpm, and the inner drum at 200 rpm, and the rotating time is 1.5h; the mechanical rotating drum Pour out the coarse abrasive in the barrel, add the fine abrasive obtained in step 2), adjust the rotation speed of the outer drum to 50 rpm, and the inner drum to 220 rpm...
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