The effects of drilling parameters, drill speed and feed rate on the twist drill bit temperature in drilling of low carbon steel material with and without the use of coolant at different point angles is experimentally investigated. The drill bit temperature was recorded during the drilling experiment. The Feed rate and spindle speed are varied as per L14 orthogonal array. The experiments were conducted by using High Speed Steel (HSS) drills having 82°, 100° and 118° drill point angles respectively. Analysis of temperature on the drilling parameters concluded that, the drilling temperature of the specimen increases with increase in both cutting speed and feed rate. This work thoroughly construes that 118° drill point angle produced the highest drilling temperature during the specimen drilling. Thus in order to reduce the thermal effects during machining of the specimen, the 82° drill point angle should be used.
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