Tool Wear of High speed Machining 300M Steel Under CMQL Condition

ZHANG Hui ping; WANG Zun jing; LIU Guo liang

doi:10.15938/j.jhust.2020.03.012

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Tool Wear of High speed Machining 300M Steel Under CMQL Condition

更新时间：2026-08-31

- Tool Wear of High speed Machining 300M Steel Under CMQL Condition
- Vol. 25, Issue 3, Pages: 75-82(2020)
- 作者机构：
  
  哈尔滨理工大学机械动力工程学院,哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：10.15938/j.jhust.2020.03.012
  CLC： TG501
- Published：2020
- 稿件说明：
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ZHANG Hui ping, WANG Zun jing, LIU Guo liang. Tool Wear of High speed Machining 300M Steel Under CMQL Condition[J]. 2020, 25(3): 75-82.
DOI：

ZHANG Hui ping, WANG Zun jing, LIU Guo liang. Tool Wear of High speed Machining 300M Steel Under CMQL Condition[J]. 2020, 25(3): 75-82. DOI： 10.15938/j.jhust.2020.03.012.

摘要

摘要:针对难加工材料300M钢的加工性能差、刀具磨损严重等问题，进行了干式与低温微量润滑两种加工条件下的高速铣削300M钢刀具磨损试验。采用超景深显微镜观察了刀具的磨损形貌，通过电子扫描显微镜（SEM）分析了刀具的磨损机理。结果表明：PVD涂层保护刀具的效果好于无涂层刀具和CVD涂层刀具；冷风温度为-45℃、空气压力为0.7MPa、油量为40mL/h时，低温微量润滑技术的作用效果最佳；兼顾加工质量与加工效率时，铣削速度定为400m/min为宜；相比于干式切削，低温微量润滑技术能够有效降低刀片磨粒磨损、刀片表面的粘结磨损、后刀面边界处的氧化磨损，以及轻度的扩散磨损。

Abstract

Abstract:For the problem of poor processing performance andsevere tool wear of hardtomanufactured material 300M steel

highspeed milling300M steel tool wear test of dry and CMQL was carried out. The wear morphologyof the tool was observed with an ultradeepdepth microscope

and the wearmechanism of the tool was analyzed with a scanning electron microscope (SEM).The results show that PVD coatings protect the tool better than uncoated andCVD coated tools; When the cold air temperature is -45℃

the air pressure is 0.7MPa

and the oil volume is 40mL/h

the effect of CMQLtechnology is the best; When considering the processing quality and processingefficiency

the milling speed is set to 400m/min; Compared to dry cutting

CMQLtechnology can effectively reduce abrasive wear of the blade

bond wear on theblade surface

oxidative wear at the flank boundary

and mild diffusion wear.

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Related Institution

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