Lens edge thickness adjustment device and lens grinding and milling processing method
An edge thickness and adjustment device technology, which is applied to metal processing equipment, machine tools suitable for grinding the edge of workpieces, grinding machines, etc., can solve the problems of unstable edge thickness changes, unstable surface quality, and low product precision, and achieve optimal Effects of tool preparation, tool cost saving, and manufacturing cost reduction
Inactive Publication Date: 2010-03-17
II VI OPTICS (SUZHOU) CO LTD
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Problems solved by technology
[0006] The object of the present invention is to provide a device for adjusting edge thickness in the lens milling process, which solves the problem of unstable edge thickness variation that often occurs in the prior art when parts with edge thickness changes need to be prepared, and the product precision achieved is not high. Long working hours and unstable surface quality, and the need to prepare specific milling tools, etc.
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[0042] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.
[0043] Example Figure 4-11, the edge thickness adjustment device includes upper and lower bases 1, 2, the upper and lower bases 1, 2 are arranged opposite to each other, and an elastic body 3 is arranged between them, and the upper and lower bases can be tightened by adjustable 4 fixed bolts are circumferentially fixed and form an adjustable angle. The lower base 2 is assembled on the lower shaft of the milling equipment, and the outer side of the lower end of the lower base 2 is sleeved with an O-ring 5 for s...
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The invention discloses an edge thickness adjustment device and a lens milling and grinding processing method in a lens milling and grinding process, wherein the device comprises an upper base and a lower base (1,2) and is characterized in that the upper base and the lower base (1,2) are oppositely arranged; an elastomer (3) is arranged between the upper base and the lower base (1,2); and the upper base and the lower base (1,2) can be peripherally fixed through an adjustable fastening bolt (4) and form an adjustable included angle. The device can achieve the adjustment of wedge-shaped angles at any angle, thus meeting the needs of edge thickness difference. The process greatly saves the tool expenses, and simultaneously improves the accuracy of ETV.
Description
technical field [0001] The invention belongs to the milling process technology of surface forming parts in the technical field of optical cold processing, relates to the edge thickness adjustment technology of part milling, and specifically relates to a lens edge thickness adjustment device and a lens milling processing method. Background technique [0002] In the field of optical processing, generally for parts that require a certain edge thickness variation and angle requirements, traditional milling methods and fixtures or special edge thickness variation milling discs are often used. Edge Thickness Variation (ETV), also known as Edge Thickness Difference (EdgeThickness Difference, ETD), represents the maximum thickness variation of the lens, such as figure 1 As shown, the edge thickness difference of the circular lens product is ETV, and the wedge angle formed due to the edge thickness difference is θ. The traditional milling process such as figure 2 , according to th...
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Inventor 何传仁周志凯
Owner II VI OPTICS (SUZHOU) CO LTD