金属结合剂金刚石砂轮的高压磨料水射流修锐技术

郑立功; 姚鹏; 张志宇; 薛栋林; 张振中

doi:10.3788/OPE.20162413.0477

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金属结合剂金刚石砂轮的高压磨料水射流修锐技术

更新时间：2020-08-13

- 金属结合剂金刚石砂轮的高压磨料水射流修锐技术
- High-pressure abrasive water jet dressing of metal bonded diamond grinding wheel
- 光学精密工程 2016年24卷第10s期页码：477-483
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 中国科学院光学系统先进制造技术重点实验室, 吉林长春 130033
  2. 山东大学机械工程学院先进射流工程技术研究中心, 山东济南 250061
- 作者简介：
- 基金信息：
  
  国家自然科学基金青年基金资助项目（No.51305237）();中科院光学系统先进制造技术重点实验室开放基金资助项目()
- DOI：10.3788/OPE.20162413.0477
  中图分类号： TG580.6
- 收稿日期：2016-05-03，
  
  修回日期：2016-06-10，
  
  纸质出版日期：2016-11-14
- 稿件说明：
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郑立功, 姚鹏, 张志宇等. 金属结合剂金刚石砂轮的高压磨料水射流修锐技术[J]. 光学精密工程, 2016,24(10s): 477-483

ZHENG Li-gong, YAO Peng, ZHANGZhi-yu etc. High-pressure abrasive water jet dressing of metal bonded diamond grinding wheel[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 477-483
郑立功, 姚鹏, 张志宇等. 金属结合剂金刚石砂轮的高压磨料水射流修锐技术[J]. 光学精密工程, 2016,24(10s): 477-483 DOI： 10.3788/OPE.20162413.0477.

ZHENG Li-gong, YAO Peng, ZHANGZhi-yu etc. High-pressure abrasive water jet dressing of metal bonded diamond grinding wheel[J]. Editorial Office of Optics and Precision Engineering, 2016,24(10s): 477-483 DOI： 10.3788/OPE.20162413.0477.

摘要

为了解决金属结合剂金刚石砂轮在铣磨大口径反应烧结碳化硅反射镜过程中砂轮难修整与磨削力大的问题，对高压磨料水射流砂轮修锐技术进行了研究。通过对比修锐前后砂轮表面的微观形貌，分析了砂轮磨损机理与磨料水射流砂轮修锐机理，并采用砂轮表面地貌的三维粗糙度高度参数Sp，Sq，Ssk和Sku定量地分析和综合评价了修锐前后砂轮表面的磨粒突出高度和有效磨粒数。实验结果表明高压磨料水射流可以实现未使用和已磨钝的金属结合剂金刚石砂轮的修锐，使砂轮表面具有更多有效磨粒数以及更大的磨粒突出高度，有利于降低法向和切向磨削力。当喷嘴的进给速度为0.5~16 m/min时，进给速度对砂轮表面地貌三维表面粗糙度的影响趋势不显著。本研究确定了采用该方法修锐金属结合剂金刚石砂轮的有效性。

Abstract

To solve the problem that dressing of metal bonded diamond grinding wheels during the grinding process for a large aperture aspherical RB-SiC mirror

high pressure abrasive water jet dressing was investigated. The unused

worn and dressed grinding wheel topographies were observed and compared to analyze the wear and dressing mechanism. 3D surface roughness amplitude parameters of these topographies

which include

Ssk

and

Sku

were analyzed and comprehensive evaluated. The experiment results show that abrasive grains of the unused or the worn grinding wheel are increased and well protruded from binder after dressing

which will lead to a decrease of normal and tangential grinding force. The feed rate of nozzle have no significant effect on the 3D surface roughness of grinding wheel as the feed rate is between 0.5 to 16 m/min. The results verified the feasibility of high pressure abrasive water-jet in-process dressing of metal bond diamond grinding wheel.

关键词

Keywords

references

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三维表面粗糙度的表征和应用