3 November 2015 Effect of the tool influence function shape of the semirigid bonnet to the tool path ripple error
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Abstract
To suppress the medium-high spatial frequency, error on optical surfaces is still a challenging work to date, and the tool path ripple (TPR) error is the main reason for these errors. With this in view, the effect of the tool influence function (TIF) shape of the semirigid (SR) bonnet to the TPR error is analyzed. The SR bonnet is a recently developed bonnet tool for high efficiency polishing. This tool can generate three kinds of TIF including Gaussian-like shape, trapezoidal shape, and “M” shape. Experimental studies have been conducted to analyze their effect to the root mean square/peak-to-valley value of the TPR error, and discussions have been made on those results. It is found that different shapes of TIF can be implemented through controlling its inflated pressure. The Gaussian-like shape has the highest probability to generate lower TPR error than the trapezoidal shape and “M” shape TIFs, which have been proven by the verification experiments.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jing Lin, Chunjin Wang, Hui Ye, Wei Yang, Yinbiao Guo, "Effect of the tool influence function shape of the semirigid bonnet to the tool path ripple error," Optical Engineering 54(11), 115104 (3 November 2015). https://doi.org/10.1117/1.OE.54.11.115104 . Submission:
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