Research on Manufacturing Technology of Super-large Module Climbing Pinions

Ren Ning; Zhou Feng

doi:10.16578/j.issn.1004.2539.2022.10.019

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Research on Manufacturing Technology of Super-large Module Climbing Pinions

Development·Application | 更新时间：2022-11-05

- Research on Manufacturing Technology of Super-large Module Climbing Pinions
- Journal of Mechanical Transmission Vol. 46, Issue 10, Pages: 125-129(2022)
- 作者机构：
  
  1.河南工业大学机电工程学院，河南郑州 450001
  2.郑州天时海洋石油装备有限公司，河南郑州 450001
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.10.019
  CLC：
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任宁,周峰.超大模数爬升齿轮制造技术研究[J].机械传动,2022,46(10):125-129.

Ren Ning,Zhou Feng.Research on Manufacturing Technology of Super-large Module Climbing Pinions[J].Journal of Mechanical Transmission,2022,46(10):125-129.
任宁,周峰.超大模数爬升齿轮制造技术研究[J].机械传动,2022,46(10):125-129. DOI： 10.16578/j.issn.1004.2539.2022.10.019.

Ren Ning,Zhou Feng.Research on Manufacturing Technology of Super-large Module Climbing Pinions[J].Journal of Mechanical Transmission,2022,46(10):125-129. DOI： 10.16578/j.issn.1004.2539.2022.10.019.

摘要

作为自升式平台齿轮齿条式升降系统的重要零件，超大模数爬升齿轮制造属于极限加工，制造技术含量高。其中，粗制齿加工、热处理工艺试验和精制齿加工是超大模数爬升齿轮制造的关键技术。采用改进的氧-燃气数控火焰切割技术，对齿面进行粗制齿加工，经调质热处理后锻件的齿面和齿根部位表面硬度均在330 HB以上；为研究调质热处理后爬升齿轮锻件的力学性能，从锻件本体截取试样进行了材料性能试验。结果表明，材料的拉伸性能和冲击功均满足力学性能要求；采用数控铣加工技术，进行了爬升齿轮精制齿加工，使爬升齿轮的齿面粗糙度,R,a,控制在6.3 μm以内，单件爬升齿轮的公法线变动量控制在0.2 mm以内。以上各关键环节的制造工艺和控制措施，确保了爬升齿轮成品质量满足技术要求。

Abstract

The climbing pinion is an important part of the jacking system of a self-elevating platform and the manufacturing of super-large module climbing pinions belongs to the extreme processing requiring high manufacturing technology. Rough tooth processing, heat treatment process test and finished tooth processing are the key technologies in manufacturing super-large module climbing pinions. The improved oxygen-gas NC flame cutting technology is used for rough teeth, which can make the tooth flank and tooth root after quenching and tempering treatment obtain surface hardness above 330 HB. To study the mechanical properties of climbing pinions after quenching and tempering treatment, the material performance test is performed on the specimens taken from climbing pinion forgings, and the results show that the tensile property and impact energy of the materials meet the mechanical property requirements. NC milling technology is used to process finished teeth of climbing pinions, and the results show that the roughness of tooth surface of climbing pinions can be controlled within ,R,a,=,6.3 μm, and the deviation of common normal length can be controlled within 0.2 mm. The manufacturing process and control measures of the above key links ensure that the finished product quality of climbing pinions can meet the technical requirements.

关键词

爬升齿轮粗制齿加工热处理工艺试验材料性能试验精制齿加工

Keywords

Climbing pinionRough tooth processingHeat treatment process testMaterial performance testFinished tooth processing

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