Manipulator positioning method for polishing spatial curved surface of optical element

A technology for optical components and positioning methods, which is applied to optical surface grinders, grinding/polishing equipment, and parts of grinding machine tools. It can solve problems such as complex curve structures and inability to complete the polishing of optical components in space, and improve polishing efficiency. , precise positioning and high processing precision

Active Publication Date: 2021-01-08
TIANJIN JINHANG INST OF TECH PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the surface of the optical element is a curved surface, the curve structure is complex and there is no axis of symmetry. The positioning method of the in

Method used

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Examples

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[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the accompanying drawings.

[0042] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0043] figure 1 It shows the process flow of the manipulator positioning method for polishing the space curved surface of the optical element provided by the embodiment of the present invention. like figure 1 Shown, described manipulator positioning method, comprises the steps:

[0044

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Abstract

The invention provides a manipulator positioning method for polishing a spatial curved surface of an optical element. The manipulator positioning method is used for solving the positioning problem when a manipulator polishes the spatial curved surface in the prior art and improving the positioning precision. The manipulator positioning method comprises the steps that a right-angle mark is machinedin a certain positioning area on the optical element to serve as a workpiece coordinate system, and then the element is fixed to a workbench; the manipulator is controlled to machine at least three resident spots in the positioning area, and the sequential connecting lines of the three resident spots form a right angle to serve as a machining coordinate system; and the coordinates of the three resident spots in the workpiece coordinate system and the diameter size of the maximum diameter are measured, the spatial position relation of the machining coordinate system relative to the workpiece coordinate system is calculated, and the manipulator is adjusted to complete positioning according to the spatial position relation. According to the manipulator positioning method, manipulator positioning during spatial optical curved surface polishing is completed, positioning is accurate, the manipulator positioning method is suitable for the technological processes of spatial curved surface andoff-axis aspheric surface polishing and the like, the machining precision is high, and meanwhile the polishing efficiency of the spatial curved surface is improved.

Description

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Claims

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Application Information

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Owner TIANJIN JINHANG INST OF TECH PHYSICS
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