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Processing method of metal multi-surface scanning prism

A processing method and technology for multi-faceted prisms, which are applied in prisms, manufacturing tools, glass manufacturing equipment, etc., and can solve the problems of difficulty in controlling the angle accuracy of multi-faceted scanning prisms.

Active Publication Date: 2018-05-18
SUZHOU UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the angular accuracy between the faces of the multi-faceted scanning prism in the prior art is difficult to control

Method used

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  • Processing method of metal multi-surface scanning prism
  • Processing method of metal multi-surface scanning prism
  • Processing method of metal multi-surface scanning prism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] attached figure 1 The processing method of a metal multi-faceted scanning prism shown, the specific technical scheme is as follows:

[0029] 1) Process standard block step: process a polygonal prism whose precision is better than the design parameters of the metal polygonal scanning prism as standard block 2;

[0030] 2) Install and fix the standard block on the rotating shaft 4 of the electric control turntable 1, wherein the normal direction of the cross section of the standard block is parallel to the rotating shaft of the electric control turntable;

[0031] 3) The metal multi-faceted scanning prism blank 3 to be processed is also clamped on the rotating shaft of the electric control turntable, wherein the normal direction of the cross-section of the metal multi-face scanning prism blank is parallel to the rotating shaft of the electric control turntable;

[0032] 4) Build the self-collimating optical path 5 on the machine tool, and install the electric control tur...

Embodiment 2

[0035] attached figure 2 The processing method of a metal multi-faceted scanning prism shown, the specific technical scheme is as follows:

[0036] 1) Process standard block step: process a polygonal prism whose precision is better than the design parameters of the metal polygonal scanning prism as standard block 2;

[0037] 2) Install and fix the standard block on the rotating shaft 4 of the electric control turntable 1, wherein the normal direction of the cross section of the standard block is parallel to the rotating shaft of the electric control turntable; the rotating shaft 2 of the electric control turntable 1 communicates with several driven The rotating shaft 9 is connected, and at least one metal multi-faceted scanning prism mirror blank 3 can be clamped on each driven rotating shaft. When the rotating shaft of the electric control turntable rotates, the driven rotating shaft also rotates at the same angle;

[0038] 3) Clamping a plurality of metal multi-faceted sca...

Embodiment 3

[0042] On the basis of the technical solution of Embodiment 1, the self-collimating optical path 5 is as follows image 3 As shown, it is composed of a parallel light laser 10, a beam splitter 11, a plane mirror 14, and an image screen 15, wherein the parallel light emitted by the parallel light laser is incident on the beam splitter, and the light reflected by the beam splitter is placed vertically on the optical path as a reference light 12 After being reflected by the plane mirror in the middle, it is incident to the image screen, and the light transmitted by the beam splitter is incident to any side of the standard block as the detection light 13; the electric control turntable is rotated, and the detection light is reflected to the image screen 15 by the side, Interference fringes are formed on the image screen. The optical path is actually a Michelson interference optical path, and the rotation angle of the electric control turntable can be controlled more precisely thro...

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Abstract

The invention discloses a processing method of a metal multi-surface scanning prism, belongs to the technical field of optical processing, and specifically relates to a processing method of a multi-surface scanning prism. The processing method of a metal multi-surface scanning prism aims at solving the problem that the prior art is not high in the accuracy of the angel between each surface duringthe process of processing a multi-surface prism. The principle of the technical scheme of the processing method of a metal multi-surface scanning prism is characterized by accurately controlling the rotating angle of a rotating shaft through an auto-collimation optical path and a standard block, and being able to accurately copy the angle accuracy of each side surface of the standard block as theprism embryo of the metal multi-surface scanning prism to be processed and the standard block are arranged on the same rotating shaft. Application of the technical scheme of the processing method of ametal multi-surface scanning prism does not depend on a high accuracy numerical control rotating shaft, and processing of the metal multi-surface scanning prism can be completed on a two-shaft machine tool, so that the processing efficiency, the processing accuracy and the processing consistency can be greatly improved.

Description

technical field [0001] The invention belongs to the technical field of optical processing, and in particular relates to a processing method of a multi-faceted scanning prism. Background technique [0002] Multi-faceted scanning prisms have multiple reflective surfaces and are the core optical devices in laser equipment such as scanners, copiers, and code scanners. When in use, it is usually installed on the rotating shaft of the motor. Through the high-speed rotation of the multi-faceted scanning prism, a large-scale, ultra-high-speed, high-precision and high-repeatability laser beam scanning can be realized. The angle accuracy, surface quality and other factors will directly affect the scanning. Accuracy and effect, so the angle processing accuracy of each reflective surface is very high. [0003] At present, the processing of multi-faceted scanning prisms in China mainly relies on CNC lathes with rotating shafts. The number of machines that can be processed at one time is...

Claims

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Application Information

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IPC IPC(8): G02B5/04C03B33/02
CPCC03B33/02G02B5/04
Inventor 黄启泰
Owner SUZHOU UNIV
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