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Method for machining precision spherical parts

A processing method and spherical technology, which is applied in the precision processing of high-precision ceramic balls and the processing of high-precision spherical parts, can solve the problems of high precision and high consistency, cost, and low cost, and achieve improved grinding efficiency and Effects of machining accuracy and shape error correction

Inactive Publication Date: 2014-04-30
江苏智邦精工科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the shortcomings of the existing batch processing technology of spherical parts that cannot take into account high precision, high consistency and cost, the present invention provides a processing method for precision spherical parts that can take into account high precision, high consistency and low cost

Method used

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  • Method for machining precision spherical parts
  • Method for machining precision spherical parts
  • Method for machining precision spherical parts

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example

[0025] Example: Utilize the method of the present invention to process the spherical part of cemented carbide material. The experimental conditions are as follows:

[0026] Initial spherical part size: diameter 20.5±0.01mm,

[0027] Initial roundness of spherical parts: 0.021mm

[0028] Abrasive: 1000# Al 2 o 3

[0029] Grinding liquid concentration: 30wt%

[0030] Grinding liquid flow rate: 3L / Min

[0031] Load: 100kPa

[0032] Processing time: 120Min

[0033] The speed scheme of upper grinding disc, lower grinding disc and cage is as follows image 3 As shown, the processing results are as follows:

[0034] Spherical part size: 20.255-0.0005mm

[0035] Roundness of spherical parts: 0.0005mm.

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Abstract

Disclosed is a method for processing precision spherical parts. Machining equipment which implements the machining method includes an upper grinding disc and a lower grinding disc, a retainer is placed between the upper grinding disc and the lower grinding disc, a hole is disposed on the retainer, a spherical part to be machined is placed in the hole of the retainer, the retainer is driven by a center wheel and an inner gear ring, the center wheel is arranged in the center of the retainer, the inner gear ring is disposed on the outer side of the retainer, the spherical part in the retainer can realize revolution and rotation, rotation speeds of the upper grinding disc and the lower grinding disc are respectively controlled by motors, rotating shafts of the center wheel and the inner gear ring are controlled by motors, revolution speed and rotation speed of the retainer are controlled by means of regulating rotation speeds of the center wheel and the inner gear ring and the rotation speeds of the upper grinding disc and the lower grinding disc, a load pressurizing device acts on the spherical part via the upper grinding disc, and the spherical part is machined by the aid of working surfaces of the upper grinding disc and the lower grinding disc. The method and the machining equipment have the advantages of high precision and consistency and low cost.

Description

technical field [0001] The invention relates to a processing method of precision spherical parts, in particular to the precision processing of high-precision ceramic balls used in high-speed and high-precision ceramic ball bearings, and belongs to the processing technology of high-precision spherical parts. Background technique [0002] High-precision balls are important components in roundness meters, gyroscopes, bearings and precision measurement, and are often used as the benchmark for precision measurement, and play a very important role in precision equipment and precision machining. Precision balls are the key parts of ball bearings. The accuracy of bearing balls (spherical deviation, ball diameter variation and surface roughness) directly affect the technical indicators of ball bearings such as motion accuracy, noise and life, and then affect the performance of equipment and instruments. [0003] During the ball processing process, the grinding method of the ball blan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B37/025B24B37/005
Inventor 袁巨龙邓乾发吕冰海陈明赵萍
Owner 江苏智邦精工科技有限公司