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Effects of cutting Speed on Tool life

Effects of cutting Speed on Tool life
Effects of cutting Speed on Tool life
The combination of cutting speeds at constant feeds has a tremendous significant importance on the value of tool life. In the cutting tests carried out on AISI 316 stainless steel, an increase in cutting speed at a constant feed produced a visible reduction in tool life. Looking closely at Figures 3 (a) (b) and (c), an increase in cutting speed validates the reduction in tool life. It is also noticeable that even at constant feed rate of various cutting speed, a reduction in tool life is also experienced. In Figure 3(a), at high speeds of 310mm/min and feeds of 0.06 mm/rev, almost no effect was observed on the tool for the first 10 mins of tool life. Consequently, the same trend was observed in Figures (b) and (c). However, at low feed of 0.02mm/rev (Figure 3(b)), the tool life almost double at high speed of 97mm/min when compare to Figure 3(c) at feed rate of 0.06 mm/rev and speed about 310mm/min. this could due to chip load at this feed rate. To conclude on the effect of cutting speed on tool life, one can say highspeed end milling of AISI 316 should be carried out at low values of feed such as 0.02mm/rev.
Effects of cutting Speed on Tool life

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