Metal shell and its making method
A metal casing and manufacturing method technology, which is applied to metal casings, other manufacturing equipment/tools, electrical equipment casings/cabinets/drawers, etc., can solve problems such as damage, poor surface wear resistance, complex processing procedures, etc., and achieve a simple manufacturing method. , Improve the anti-slip, easy to operate effect
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[0017] The present invention provides a metal casing, and a preferred embodiment of the metal casing is applied to a mobile phone.
[0018] The surface of the metal shell has the appearance of a knurling pattern, and the knurling pattern can be milled twice in two diagonal directions on the surface of the workpiece through diamond engraving technology, so as to form the appearance of a knurling pattern composed of several rhombuses. The material of the metal shell can be any one or combination of copper, iron, aluminum, stainless steel and titanium, and the material of the metal shell in the preferred embodiment of the present invention is aluminum alloy.
[0019] Please refer to FIG. 1 and FIG. 2 for the manufacturing process and manufacturing method of the metal shell with a knurled surface, which specifically includes the following steps:
[0020] Stamping the metal sheet, the process is to punch the metal sheet through a stamping machine, stretch the edge, and then cut off...
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