超声纵扭-低频扭转复合振动攻丝实验

韩凤起; 张德远

doi:10.13700/j.bh.1001-5965.2022.0453

超声纵扭-低频扭转复合振动攻丝实验

doi: 10.13700/j.bh.1001-5965.2022.0453

韩凤起¹,
张德远^2, ,

1.
河北工业职业技术大学智能制造学院，石家庄 050091
2.
北京航空航天大学机械工程及自动化学院，北京 100191

基金项目: 中央引导地方科技发展资金(216Z1004G)；河北省教育厅科学技术研究项目(ZD2020331)；河北工业职业技术大学博士基金(zk202101)

详细信息

通讯作者:
E-mail：zhangdy@ buaa.edu.cn

中图分类号: TG62
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出版历程
- 收稿日期: 2022-06-02
- 录用日期: 2022-07-09
- 网络出版日期: 2022-08-11
- 整期出版日期: 2024-04-29

Ultrasonic longitudinal torsional and low frequency torsional compound vibration tapping experiment

HAN Fengqi¹,
ZHANG Deyuan^{2
, ,}

1.
Intelligent Manufacturing Institute，Hebei Vocational University of Industry and Technology，Shijiazhuang 050091，China
2.
School of Mechanical Engineering and Automation，Beihang University，Beijing 100191，China

Funds: Central Funding Project for Local Science and Technology Development (216Z1004G); Funded by Science and Technology Project of Hebei Education Department (ZD2020331); Doctoral Fund of Hebei Vocational University of Industry and Technology (zk202101)

More Information

Corresponding author: E-mail：zhangdy@buaa.edu.cn

摘要

摘要:
针对钛合金低频扭转振动攻丝效率偏低的问题，提出了超声纵扭-低频扭转复合振动攻丝方法。进行了超声纵扭振动攻丝实验、不同切削液的复合振功攻丝实验和变参数复合振动攻丝实验，研究复合振动攻丝的工艺效果及参数变化的影响规律。实验结果表明：超声纵扭振动增强了切削液的润滑效果，降低了攻丝扭矩，与普通连续攻丝相比，M3螺纹孔的超声纵扭振动攻丝可降低攻丝扭矩约18%；在所选参数范围内，与低频扭转振动攻丝相比，复合振动攻丝最大可降低攻丝扭矩约30%；复合振动攻丝降低攻丝扭矩的效果，随净切削量、主轴转速的增大和回退量的减小而降低。
- 振动攻丝 /
- 超声纵扭振动 /
- 低频扭转振动 /
- 攻丝扭矩 /
- 切削液润滑
Abstract:
In view of the low efficiency of low frequency torsional vibration tapping of titanium alloy, the ultrasonic longitudinal torsional and low frequency torsional compound vibration tapping method was proposed. To investigate the process effect of compound vibration tapping and the influence rule of parameter change on it, three experiments were conducted in succession: the ultrasonic longitudinal torsional vibration tapping experiment, the compound vibration tapping experiment with different cutting fluids, and the compound vibration tapping experiment with variable parameters. The experimental results show that ultrasonic longitudinal torsional vibration enhances the lubricating effect of the cutting fluid and reduces the tapping torque. Compared with ordinary continuous tapping, the ultrasonic longitudinal torsional vibration tapping of M3 threaded holes can reduce the tapping torque by about 18%. Comparing compound vibration tapping to low frequency torsional vibration tapping, the tapping torque can be reduced by up to approximately 30% within the chosen parameter range. The effect of compound vibration tapping on reducing the tapping torque decreases with the increase of the net cutting amount, the spindle speed, and the decrease of the backward amount.
- vibration tapping /
- ultrasonic longitudinal torsional vibration /
- low frequency torsional vibration /
- tapping torque /
- cutting fluid lubrication

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图 1 实验系统

Figure 1. Experimental system

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图 2 超声纵扭振动换能器及工件的装夹方式

Figure 2. Ultrasonic longitudinal torsional vibration transducer and clamping method of workpiece

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图 3 超声纵扭振动攻丝和普通连续攻丝的扭矩对比

Figure 3. Torque comparison between ultrasonic longitudinal torsional vibration tapping and ordinary continuous tapping

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图 4 水溶性乳化液为切削液的攻丝扭矩波形对比

Figure 4. Comparison of tapping torque waveform with water-soluble emulsion as cutting fluid

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图 5 水溶性乳化液为切削液的局部攻丝扭矩波形

Figure 5. Local tapping torque waveform with water-soluble emulsion as cutting fluid

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图 6 低频扭转振动攻丝的重复切削模型

Figure 6. Repeated cutting model of low frequency torsional vibration tapping

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图 7 蓖麻油为切削液的攻丝扭矩波形对比

Figure 7. Comparison of tapping torque waveforms with castor oil as cutting fluid

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图 8 净切削量对攻丝扭矩的影响

Figure 8. Effect of net cutting amount on tapping torque

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图 9 净切削量对复合振动攻丝效果的影响

Figure 9. Effect of net cutting amount on compound vibration tapping

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图 10 回退量对攻丝扭矩的影响

Figure 10. Effect of backward amount on tapping torque

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图 11 回退量对复合振动攻丝效果的影响

Figure 11. Effect of backward amount on compound vibration tapping

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图 12 主轴转速对攻丝扭矩的影响

Figure 12. Effect of spindle speed on tapping torque

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图 13 主轴转速对复合振动攻丝效果的影响

Figure 13. Effect of spindle speed on compound vibration tapping

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图 14 螺纹照片

Figure 14. Photo of thread

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