Effect of Cutting Feed and Chip Size Ratio on Cutting Force

Abstract:

In producing parts, besides increasing accuracy and maintaining/improving the cut surface quality, the main effort of the manufacturers is to improve the productivity/profit. In face milling this aim can be achieved first of all by increasing cutting speed and feed. The importance of feed impact analysis is justified by the general effort to prefabricate parts near net shape, if possible by one pass material removal. If the manufacturing is done by one pass, the surface rate (A_w, mm²/min) can be increased by the increase of feed. It f_z feed is increased, the feed per tooth (keeping a_p at constant value) a_p/f_z ratio is changed and as a consequence also the load on cutting edges and the character of chip deformation. The increase in the feed and the change in the chip cross section shape influence the cutting forces and the efficiency. In this paper, the changes in the cutting force components with different feed rates are demonstrated, while the value of the feed is increased 16-fold.

• Periodical: Solid State Phenomena (Volume 261)
• Pages: 3-8
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.261.3
• Online since: August 2017
• Authors: János Kundrák*, Tamás Makkai, István Deszpoth
• Keywords: Chip Cross Section Changes, Cutting Force, Face Milling

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