Study on Chip-Breaking Technology for Numerical-Control Varying-Feed Drilling of Deep Hole

Qing Yan Ma; Biao Wang; Da Guo Yu

doi:10.4028/www.scientific.net/AMM.217-219.2688

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Study on Chip-Breaking Technology for...

Study on Chip-Breaking Technology for Numerical-Control Varying-Feed Drilling of Deep Hole

Abstract:

In the drilling process for deep hole, the continuous chips often jam up due to the difficulty of chip removal, and the chips cause problems such as tool breakage and deterioration of the surface quality. The measures of chip removal must be adopted, especially for small diameter deep hole, the chip removal space is limited and thickness and length of chips can directly influence the chip removal, the chip size are required as a precondition for chip removal. In this study, the feed is periodically varied in numerical control machine, and the length of chip can be controlled, then the chip breaking is realized with no addition special chip breaking mechanism, which combines with negative pressure suction mechanism for chips, and solves the problem of chip breaking and removal.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

2688-2691

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.2688

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Online since:

November 2012

Authors:

Qing Yan Ma*, Biao Wang, Da Guo Yu

Keywords:

Chip Breaking, Deep Hole, Numerical Control, Varying Feed

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* - Corresponding Author

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