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Cbc Turning Process

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The present study is to optimize the machining parameters for turning process by using coated and uncoated carbide tools. For this study listed items were chosen based on both necessities for this study, as well as their availability. The work piece samples were randomly selected with 150 mm length and 50 mm diameter, cut from the AISI H13 steel rod. The CNC lathe was set up with the tool holder. All variable parameters were run in accordance with the selected parameters and the orthogonal array.

3. TOOLS USED AND THEIR SPECIFICATIONS:

1. CNC Machine Tool

2. Work Piece material

3. Cutting Tool Inserts Measurements

3.1. CNC Machine Tool:
CNC lathe
Model : TL
Make : HAAS-USA
Program Controller : HAAS
Max. Holding Diameter : 220 mm
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Tool wear is measured experimentally by optical microscope (Stereo Discovery V20 manufactured by Carl Zeiss MicroImaging Inc. having eyepiece magnification: 10X and objective magnification: 2.5X to 100X,) as shown in Figure. Maximum damage length of flank face has been considered for assessing the flank wear of tool insert

(Figure 3.6 Optical microscope)
3.2 PROCESS PARAMETER SELECTION

In the present study, the process parameter which affect the surface finish while machining are cutting speed, feed rate and depth of cut. In order to meet the requirement in terms of both efficiency and effectiveness, the Taguchi parameter design methodology was used. It included the selection of quality characteristics, selection of process parameters, selection of orthogonal array
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