Vol. 5 Issue 1
Year:2015
Issue:Nov-Jan
Title:Determination Of The Effect Of Cutting Parameters On Responses During Turning Of AISI H21 Steel Under Dry Machining Condition
Author Name:Rajan Jindal And Deepak Choudhary
Synopsis:
This paper presents a determination of the effect of cutting parameters on Material Removal rate and Surface Roughness during turning of AISI H21 steel under dry machining condition using Response surface methodology (RSM). For this purpose, CNMG 120412 MP of Grade TT 8135 has been selected as cutting tool material. The different levels of all cutting parameters have been used and experiments are done on HMT CNC lathe machine STALLION-100 HS. To analyze the experimental observations, a statistical tool Design Expert Software of version 9.0.3.1 has been used to reduce the calculations and to arrive at exact improvement plan of the Manufacturing process & Techniques.The experimental results indicated that MRR increases with the increase in feed rate, spindle speed and depth of cut. It is also seen that the Ra decreases with increase in spindle speed but increases with increase in feed rate. The optimum values of Spindle Speed, Feed rate and Depth of cut to maximize the MRR (2766.81 mm3 /sec) are 1594.723 RPM, 0.35 mm/rev and 2 mm respectively. The optimum values of Spindle Speed, Feed rate and Depth of cut to minimize the Ra (2.291 μm) are 1599.997 RPM, 0.15 mm/rev and 1.797 mm respectively.
Year:2015
Issue:Nov-Jan
Title:Determination Of The Effect Of Cutting Parameters On Responses During Turning Of AISI H21 Steel Under Dry Machining Condition
Author Name:Rajan Jindal And Deepak Choudhary
Synopsis:
This paper presents a determination of the effect of cutting parameters on Material Removal rate and Surface Roughness during turning of AISI H21 steel under dry machining condition using Response surface methodology (RSM). For this purpose, CNMG 120412 MP of Grade TT 8135 has been selected as cutting tool material. The different levels of all cutting parameters have been used and experiments are done on HMT CNC lathe machine STALLION-100 HS. To analyze the experimental observations, a statistical tool Design Expert Software of version 9.0.3.1 has been used to reduce the calculations and to arrive at exact improvement plan of the Manufacturing process & Techniques.The experimental results indicated that MRR increases with the increase in feed rate, spindle speed and depth of cut. It is also seen that the Ra decreases with increase in spindle speed but increases with increase in feed rate. The optimum values of Spindle Speed, Feed rate and Depth of cut to maximize the MRR (2766.81 mm3 /sec) are 1594.723 RPM, 0.35 mm/rev and 2 mm respectively. The optimum values of Spindle Speed, Feed rate and Depth of cut to minimize the Ra (2.291 μm) are 1599.997 RPM, 0.15 mm/rev and 1.797 mm respectively.
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