Three-axis simultaneous machining method for metal mirrors
A metal mirror and processing method technology, applied in program control, electrical program control, instruments, etc., can solve the problem of inability to process large-diameter and large-chord-height metal reflectors, and inability to process large-diameter and large-chord-height metal reflectors. requirements and other issues to achieve the effect of reducing processing costs
Active Publication Date: 2020-12-08
YUNNAN KIRO CH PHOTONICS
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Problems solved by technology
However, limited by the stroke of the single-point diamond lathe guide rail and the slewing volume of the rotatable worktable, the conventional two-axis [X, Z] mode cannot process large-diameter, large-chord-height metal mirrors, and cannot meet the needs of large-diameter, large-chord-height metal mirrors. Processing requirements for metal mirrors
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[0021] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] see Figure 3-4 , The single-point diamond lathe 3 used in the present invention includes a tool 2 and a tool table 3a. see further image 3 , the single-point diamond lathe 3 of the present invention, its cutting tool 2 can not only move along the X, Z directions of the horizontal plane direction, but also can rotate along the B direction under the drive of the cutting tool table 3a.
[0023] When processing the metal reflector 1, it needs to be installed in a fixture first, and the fixture includes a fixture bottom plate 4 and a top plate 6 whose diameter is slightly larger than that of the...
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Abstract
The invention, which belongs to the technical field of ultra-precision optical processing, particularly relates to a three-axis linkage processing method of a metal reflection mirror. The processing method comprises: S01, calculating a horizontal surface shape processing coordinate of a metal reflection mirror according to an aspherical equation of the metal reflection mirror; S02, defining an axial motion direction of a tool to be a B direction and transforming a horizontal surface shape processing coordinate into a three-axis processing coordinate according to a distance relationship betweenthe tool at a designated rotation angle and the mirror surface and the metal reflection mirror; and S03, setting an original point and a random variable parameter value of the processing coordinate system based on an optimal fitting radius of the placed metal reflection mirror and the tool dimension, inputting a processing program containing the three-axis processing coordinate into a single-point diamond lathe control system, and starting processing. With the method provided by the invention, the large-cabliber large-chord high metal reflection mirror can be processed effectively without being restricted by the guide rail stroke of the single-point diamond lathe and the table board rotary volume of the rotary work table, so that the processing efficiency is improved and the processing cost is lowered.
Description
technical field [0001] The invention belongs to the technical field of ultra-precision optical processing, and in particular relates to a processing method for a metal reflector, in particular to a method for processing a metal reflector with a large diameter and a large chord height in a three-axis direction by using a single-point diamond lathe. Background technique [0002] Single-point diamond lathe is a commonly used high-precision metal mirror processing equipment. Usually, the single-point diamond lathe processes the optical surface of the metal mirror by setting the initial parameters (vertex curvature, K factor, aperture, etc.) and using the conventional two-axis [X, Z] form, such as figure 1 As shown, the tool only moves linearly in the X-axis and Z-axis directions of the horizontal plane, but does not rotate axially around the center of the tool table. However, limited by the stroke of the single-point diamond lathe guide rail and the slewing volume of the rotata...
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IPC IPC(8): G05B19/19B23B1/00
CPCB23B1/00G05B19/19G05B2219/34134
Inventor 肖建国张万清刘尧黄攀康杰钟建波张若寅贾钰超
Owner YUNNAN KIRO CH PHOTONICS