特种加工技术在再制造领域中的应用与发展

牛梓源; 陈燕; 张泽群; 韩冰

doi:10.13394/j.cnki.jgszz.2021.5.0001

特种加工技术在再制造领域中的应用与发展

doi: 10.13394/j.cnki.jgszz.2021.5.0001

辽宁科技大学机械工程与自动化学院, 辽宁鞍山 114051

基金项目:

国家自然科学基金(51775258)。

详细信息

作者简介:
牛梓源,男,1994 年生,硕士。主要研究方向：精密加工。E-mail: nzy1134190881@gmail.com

通讯作者:
陈燕,女,1963年生,博士、教授。主要研究方向：精密加工。E-mail:laochen412@gmail.com

中图分类号: TG58;TG66;TH16
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出版历程
- 修回日期: 2021-09-10
- 刊出日期: 2021-10-28

Application and development of special machining technology in remanufacturing field

School of Mechanical Engineering and Automation, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China

摘要

摘要: 特种加工技术能完成许多传统加工技术无法完成的加工任务，近年来越来越多地被应用于再制造领域。再制造是指对废旧的零部件进行再加工，以达到弥补缺陷、再次使用的目的，该技术有利于降低制造成本、缩短制造周期、节约资源。本文首先对再制造的工艺流程进行简介，再分别介绍磁力研磨技术、焊接技术、热喷涂技术、激光熔覆技术等特种加工技术的特点及其在再制造领域的应用，最后对再制造技术的发展进行初步展望。
- 特种加工 /
- 再制造 /
- 增材制造
Abstract: Special machining technology can accomplish many machining tasks which cannot be accomplished by traditional machining technology.In recent years, it has been more widely used in the field of remanufacturing.Remanufacturing refers to the reprocessing of waste parts to make up for defects and reuse.This technology is conducive to reducing manufacturing cost, shortening manufacturing cycle and saving resources.Firstly, the process flow of remanufacturing is introduced in this paper.Then, the characteristics of special processing technologies such as magnetic grinding technology, welding technology, thermal spraying technology and laser cladding technology and their applications in the field of remanufacturing are introduced, respectively.Finally, the development of remanufacturing technology is prospected.
- special machining /
- remanufacturing /
- additive manufacturing

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图 1 再制造工艺流程图

Figure 1. Remanufacturing process flow chart

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图 2 磁针磁力研磨机工作原理

Figure 2. Working principle of magnetic needle magnetic grinder

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图 3 喷嘴加工前后对比

Figure 3. Comparison of nozzles before and after processing

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图 4 加工前后的喷嘴表面微观形貌

Figure 4. Micro-morphology of nozzle surface before and after processing

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图 5 磁针磁力研磨去除管件内表面积碳

Figure 5. Removal of carbon deposited on the inner surface of pipefittings by magnetic needle magnetic grinding

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图 6 长轴类零件内表面加工前后的微观形貌对比

Figure 6. Comparison of micro-morphology of inner surface of long shaft parts before and after machining

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图 7 等离子喷涂原理

Figure 7. Principle of plasma spraying

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图 8 激光熔覆技术原理

Figure 8. Principle of laser cladding technology

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图 9 激光熔覆与氩弧焊的热影响区比较

Figure 9. Comparison of heat affected zone between laser cladding and argon arc welding

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表 1 飞机各部位的焊接再制造方法^[34]

Table 1. Welding remanufacturing methods for various parts of aircraft