A processing technology of sapphire mobile phone screen cover
A mobile phone screen and processing technology, applied in the directions of crystal growth, post-processing details, post-processing, etc., can solve the problems of low strength of sapphire screen cover plate, limit the large-scale popularization and application of sapphire products, etc., and achieve the effect of improving strength
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Embodiment 1
[0024](1) The sapphire blank is formed, place the sapphire blank on the fixture of the CNC machine, select a 600-mesh, 90° diamond chamfering grinding head, set the grinding head running track coordinates according to the shape of the sapphire blank, and set the speed at 800 rpm / min, the feed is 0.05 / min, the moving speed of the grinding head is 60mm / min, the removal amount of each side of the sapphire blank is 0.1mm, and the molding time is 20 minutes;
[0025] (2) Chamfering, place the sapphire blank on the fixture of the CNC machine, select a 45° diamond chamfering grinding head with a surface roughness of 800 mesh, set the speed at 600 rpm, and feed at 0.02mm / min, the moving speed of the grinding head is 60mm / min, the amount of chamfering is 0.1mm, and the chamfering time is 8 minutes, and the semi-finished sapphire mobile phone cover is made;
[0026] (3) Grinding, cleaning the semi-finished sapphire mobile phone cover plate after chamfering, placing the semi-finished s...
Embodiment 2
[0031] (1) The sapphire blank is formed, place the sapphire blank on the fixture of the CNC machine, select a 700-mesh, 90° diamond chamfering grinding head, set the grinding head running track coordinates according to the shape of the sapphire blank, and set the speed to 900 rpm / min, the feed rate is 0.06 / min, the moving speed of the grinding head is 70mm / min, the removal amount of each side of the sapphire blank is 0.1mm, and the molding time is 15 minutes;
[0032] (2) Chamfering, place the sapphire blank on the fixture of the CNC machine, select a 45° diamond chamfering grinding head with a surface roughness of 900 mesh, set the speed at 700 rpm, and feed at 0.04mm / min, the moving speed of the grinding head is 70mm / min, the amount of chamfering is 0.1mm, and the chamfering time is 6 minutes, and the semi-finished sapphire mobile phone cover is made;
[0033] (3) Grinding, cleaning the semi-finished sapphire mobile phone cover plate after chamfering, placing the semi-fini...
Embodiment 3
[0038] (1) The sapphire blank is formed, place the sapphire blank on the fixture of the CNC machine, select the 800-mesh, 90° diamond chamfering grinding head, set the trajectory coordinates of the grinding head according to the shape of the sapphire blank, and set the speed to 1000 rpm / min, the feed is 0.08 / min, the moving speed of the grinding head is 75mm / min, the removal amount of each side of the sapphire blank is 0.1mm, and the molding time is 10 minutes;
[0039] (2) Chamfering, place the sapphire blank on the fixture of the CNC machine, select a 45° diamond chamfering grinding head with a surface roughness of 1000 mesh, set the speed at 800 rpm, and feed at 0.05mm / min, the moving speed of the grinding head is 80mm / min, the amount of chamfering is 0.1mm, and the chamfering time is 5 minutes, and the semi-finished sapphire mobile phone cover is made;
[0040] (3) Grinding, cleaning the semi-finished sapphire mobile phone cover plate after chamfering, placing the semi-f...
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