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Design and manufacturing method of a special-shaped polishing disc for a double-rotor CNC polishing machine

A production method and technology of polishing discs, which are applied in the direction of grinding/polishing equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of not being able to adapt to the production requirements of complex pattern polishing discs and low design optimization efficiency, so as to improve the polishing quality, The effect of shortening the polishing cycle and meeting the needs of differences

Active Publication Date: 2019-07-30
成都精密光学工程研究中心
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the design of special-shaped polishing discs is mainly realized through the verification of polishing process experiments. The design patterns are mainly simple geometric patterns, and the design optimization efficiency is low, and the current manufacturing methods of polishing discs are not suitable for the production requirements of complex pattern polishing discs.

Method used

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  • Design and manufacturing method of a special-shaped polishing disc for a double-rotor CNC polishing machine
  • Design and manufacturing method of a special-shaped polishing disc for a double-rotor CNC polishing machine
  • Design and manufacturing method of a special-shaped polishing disc for a double-rotor CNC polishing machine

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Embodiment 1

[0026] like figure 1 As shown, it is a flow chart of a method for designing and manufacturing a special-shaped polishing disc suitable for a double-rotor CNC polishing machine. The method includes the following steps:

[0027] (1) Determine the characteristic parameters of the polishing disc:

[0028] like figure 2 As shown, in the double-rotor CNC polishing machine, the polishing disc is in addition to the rotation axis O 2 In addition to the rotation, it also revolves around the revolution axis O 1 For rotation, the distance between the rotation axis and the revolution axis is the eccentricity. The characteristic parameters of the polishing disc movement include the processing parameter values ​​such as the characteristic dimension D of the polishing disc, the eccentricity e, the rotation, and the revolution speed ratio m; among them, for a circular polishing disc, the characteristic dimension D is its diameter, and for other non-circular polishing discs, the characteris...

Embodiment 2

[0038] This embodiment provides a laser cutting device, which can be used for laser cutting of the opposite-shaped polishing disk in the foregoing embodiments. like Figure 5 As shown, the laser cutting device includes: a laser (1), the selection type of the laser includes CO2 laser, YAG laser, fiber laser, etc., and the laser adopts a continuous laser output mode and an electric excitation mode. By adjusting the laser power supply The excitation voltage and excitation current value change the energy of the output laser beam; the focusing lens (2) is used to condense the laser beam; The beam deflection angle realizes the precise movement and positioning of the beam in the working plane; the displacement platform (4) is used to carry the sample and realize the rough adjustment and positioning of the damping cloth polishing pad; the control computer (5) controls the breaking of the laser through the built-in software, In order to control the output energy of the laser and drive...

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Abstract

The invention discloses a design and manufacturing method of a special-shaped polishing disc for a double-rotor numerical control polishing machine, and relates to the field of optical manufacturing and optical material machining. The method comprises the following steps that (1) characteristic parameters of the polishing disc are determined firstly; (2) ring band segmentation is carried out on the polishing disc, and the removal function hi of each ring band is calculated; (3) the weight value of each ring band is calculated according to an optimization objective, wherein the objective removal function H is taken as the optimization objective, the weight value of the removal function hi of each ring band is set as xi, a linear optimization method is adopted to solve the weight value xi ofeach ring band, the weight value xi of each ring band meets the condition that the error function delta can be minimum, delta is equal to the difference between H and sigma (hi*xi), and xi meets thenon-negative-value condition; and (4) a special-shaped disc pattern is designed and manufactured. According to the method, the optimal solution of the special-shaped polishing disc surface shape can be quickly obtained according to the objective removal function inversion, the design efficiency of the special-shaped polishing disc is effectively improved, the capacity of realizing the design of the special-shaped polishing disc with the complex shape is achieved, rapid and accurate manufacturing of a complex pattern design result is realized, the polishing period is shortened, the polishing precision is improved, and the polishing quality is improved.

Description

technical field [0001] The invention relates to the fields of optical manufacturing and optical material processing, in particular to a design and manufacturing method for a special-shaped polishing disc used in a double-rotor numerical control polishing machine. Background technique [0002] Traditional optical polishing methods have low processing efficiency, long cycle time, and rely heavily on the experience of processing personnel, which can no longer meet the processing needs of modern optical components. The emergence of computer technology has given birth to modern precision numerical control polishing technology based on numerical control technology. The CNC polishing technology uses a small-sized polishing disc, which can fit well with the local area of ​​the surface of the component to be processed, so as to obtain higher processing accuracy; due to the use of computer-controlled polishing discs for processing, compared with traditional processing methods, The ju...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B13/00B24D18/00
CPCB24B13/00B24D18/00
Inventor 吕亮黄金勇胡庆蒲云体马平鄢定尧张明骁朱衡刘杰
Owner 成都精密光学工程研究中心
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