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An adaptive bonnet polishing approach based on dual-mode contact depth TIF

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Abstract

The industrial robot bonnet polishing platform can not only meet the requirements of high efficiency and precision of optical polishing, but also reduce the system cost. It is a promising polishing equipment solution. The most practical method to improve BP material removal efficiency is to increase the contact depth. It is generally believed that the profile of the tool influence function (TIF) of BP is Gaussian-like distribution traditionally, but it is found that it actually changes into M-shape obviously with large contact depth. However, the existing reports on the TIF of bonnet polishing are mostly based on the Gaussian like TIF model which cannot accurately describe the M-shaped TIF. Therefore, according to the material characteristics of inflatable rubber bonnet, this paper establishes a new model to explain the changes of pressure distribution caused by large contact depth. Furthermore, a bonnet polishing approach based on dual-mode contact depth TIF is proposed in order to improve the removal efficiency in rough polishing stage and increase the convergence accuracy in fine polishing stage.

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Abbreviations

TIF:

Tool influence function

BP:

Bonnet polishing

\(K\) :

Constant in Preston equation \(\Delta Z=K\bullet P(x,y)\bullet V(x,y)\bullet \Delta t\)

\(P\) :

Contacting pressure distribution in the contact area

\(V\) :

Relative velocity distribution in the contact area

\(\Delta Z\) :

Removed material amount

\(\Delta t\) :

Dwell time

\(R\) :

Radius of the bonnet

\(d\) :

Contact depth

\(n\) :

Rotation speed

\({\omega }_{H}\) :

Rotation angle speed

\(\rho\) :

Precession angle

\({r}_{i}\) :

Radius of the contact area

\({F}_{x}\), \({F}_{y}\), \({F}_{z}\) :

3-Dimension contacting polishing forces

\(E\) :

Total strain of the bonnet

\(e\) :

Virtual strain of the bonnet

\(\varepsilon\) :

Actual strain of the bonnet

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Author notes

  1. Yifan Zhang contributed equally to this work.

Authors and Affiliations

  1. Institute of Robotics, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China

    Jingbo Feng, Yifan Zhang, Mengqi Rao, Yuyan Zhao & Yuehong Yin

Authors
  1. Jingbo Feng
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  2. Yifan Zhang
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  3. Mengqi Rao
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  4. Yuyan Zhao
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  5. Yuehong Yin
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All authors contributed to the study conception, design, and manuscript.

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Correspondence to Yuehong Yin.

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Feng, J., Zhang, Y., Rao, M. et al. An adaptive bonnet polishing approach based on dual-mode contact depth TIF. Int J Adv Manuf Technol 125, 2183–2194 (2023). https://doi.org/10.1007/s00170-022-10694-2

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  • DOI: https://doi.org/10.1007/s00170-022-10694-2

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