Super-hard fixed abrasive lapping parameters optimization and manufacturing method based on Adams simulation

A technology of grinding parameters and consolidated abrasives, which is applied in the field of grinding processing, can solve the rare problems of uniform wear of superhard consolidated grinding discs, improve processing efficiency and utilization rate, reduce grinding processing costs, and maintain surface shape The effect of precision

Inactive Publication Date: 2019-05-03
ZHENGZHOU INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few studies on the uniform wear of superhard c

Method used

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  • Super-hard fixed abrasive lapping parameters optimization and manufacturing method based on Adams simulation
  • Super-hard fixed abrasive lapping parameters optimization and manufacturing method based on Adams simulation
  • Super-hard fixed abrasive lapping parameters optimization and manufacturing method based on Adams simulation

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with embodiment (accompanying drawing):

[0040] Such as figure 1 As shown, the center gear 1 (sun gear) is driven by a motor through a reducer, and drives 6 planetary gears 2 to revolve around its center. The internal meshing pin gear 5 is fixed on the grinding machine bed body (it can also be rotated). The planetary wheel 2 is placed on the grinding surface of the grinding disc 3, meshes with the center wheel 1 and the inner meshing pin gear 5 at the same time, and is driven by the center wheel 1 while revolving around its center and doing autorotation; each planetary wheel has 20 A through hole, the diameter of the through hole is slightly larger than the diameter of the workpiece, and the thickness of the planetary wheel is slightly smaller than the final machining size of the workpiece 4. The workpiece 4 is placed in the through hole of the planetary wheel 2, its lower surface is placed on the g...

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Abstract

The invention relates to a super-hard fixed abrasive lapping parameters optimization and manufacturing method based on Adams simulation. The method comprises the steps that simulated machining joint simulation is carried out on a planetary surface lapping grinding machine model created by Solidworks by using Matlab and Adamas, optimization design is carried out by using abrasion uniformity of a lapping disc as a target by Adams, optimal grinding process parameters under given grinding conditions are obtained efficiently and cost-effectively, and an abrasion distribution model of the lapping disc is established according to the simulation results under the optimal grinding process parameters. On the basis, the lapping disc is designed and manufactured by adopting a lapping pill piece distribution technology based on abrasion resistance, so that the abrasion intensity of the lapping disc is suitable to the distribution of the abrasion resistance of lapping pill pieces, in the process after first dressing is carried out, uniform abrasion can be achieved and even abrasion is consumed, and then the original surface figure accuracy is maintained to ensure that machined workpieces have good machining accuracy in a long time, and the dressing number of the lapping disc in the use process is reduced or the lapping disc is free from dressing. The machining efficiency and utilization of the lapping machine are improved, and the comparative lifetime of the lapping disc is prolonged, and the stability of the lapping disc is improved.

Description

technical field [0001] The invention belongs to the technical field of grinding processing, and in particular relates to an Adams-based simulation superhard consolidated abrasive grinding parameter optimization and manufacturing method. Background technique [0002] Superhard fixed abrasive grinding FAL (Fixed-abrasive lapping) is to consolidate loose abrasives (usually diamond or CBN superabrasives) through a bond to make a special abrasive tool, and remove the workpiece through the micro-cutting action of the abrasive grains. Surface material. Superhard fixed abrasive grinding has solved most of the defects in traditional loose abrasive grinding. Its biggest features are high processing efficiency, high abrasive utilization rate, high processing accuracy and surface quality controllability. [0003] Grinding with superhard fixed abrasives will also cause wear during the grinding process like traditional grinding, and the distribution of this wear on the entire grinding di...

Claims

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Application Information

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IPC IPC(8): B24B37/00B24B37/34
Inventor 吴耀宇刘继军刘冬敏上官同英常锋
Owner ZHENGZHOU INST OF TECH
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