Optics and Precision Engineering, Volume. 31, Issue 16, 2395(2023)

Automatic assembly and welding control of base components of suspended pendulum accelerometer

Tongqun REN, Yongsheng SANG, Rungu CAO, Han WU, and Xiaodong WANG*
Author Affiliations
  • State Key Laboratory of High-performance Precision Manufacturing , Dalian University of Technology, Dalian116085, China
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    Figures & Tables(18)
    Structure of assemble part
    Structure of the assembly and welding system
    Structural diagram of adsorption clamp of pendulum
    Suspension wire perforation and pendulum assembly process
    Welding module composition structure
    Diagram of control system hardware connection
    Assembly system control software layered architecture
    Assembly system control software
    Control curve of suspension tension
    Surface to be welded is tinned
    Fluent comparison of phase change simulation results
    Phased, positional, speed welding strategy
    Welding optimization compares experimental results
    [in Chinese]
    Flowchart of automated welding
    • Table 1. Performance parameters of miniature tensile pressure sensor

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      Table 1. Performance parameters of miniature tensile pressure sensor

      性能指标参数
      量程2.5 N
      输出分辨率0.001 N
      输出灵敏度2.0±10% mV/V
      非线性0.05% F.S.
      重复性0.05% F.S.
      安全负载500%
    • Table 2. Thermophysical parameters of Sn40Pb60 materials

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      Table 2. Thermophysical parameters of Sn40Pb60 materials

      T/℃50100183200250300350
      密度/(g·cm-39.199.168.968.938.838.798.74
      热导率/W/(m·K)42.9941.7728.2826.9722.9023.7424.59
      比热/J/(g K)0.170.390.590.660.180.190.18
      动力黏度/(MPa·s)>100>1002.642.532.201.911.70
    • Table 3. Results of assembly specification test

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      Table 3. Results of assembly specification test

      技术指标组件1组件2组件3组件4组件5组件6组件7组件8组件9组件10
      间隙值D1偏差/μm-26.0-23.9-23.9-26.0-25.2-22.1-4.7-4.7-22.819.8
      左间隙值D2偏差/μm-19.10.8-19.5-12.40.2-19.5-18.6-6.6-17-16.2
      右间隙值D2偏差/μm19.513.617.515.416.713.218.210.813.610.8
      悬丝力误差/gF0.4-0.40.10.3-0.20.4-0.20.30.1-0.2
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    Tongqun REN, Yongsheng SANG, Rungu CAO, Han WU, Xiaodong WANG. Automatic assembly and welding control of base components of suspended pendulum accelerometer[J]. Optics and Precision Engineering, 2023, 31(16): 2395

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    Paper Information

    Category: Micro/Nano Technology and Fine Mechanics

    Received: Feb. 16, 2023

    Accepted: --

    Published Online: Sep. 5, 2023

    The Author Email: Xiaodong WANG (xdwang@dlut.edu.cn)

    DOI:10.37188/OPE.20233116.2395

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