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Chaitanya Kumar, P. V. K.
- Regression Model for Surface Roughness on EDM using Al6061 + SiC, Copper and Brass Tools
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Authors
Affiliations
1 Department of Mechanical Engineering, JNTUH College of Engineering, Hyderabad, Kukatpally, IN
2 Department of Mechanical Engineering, MVSR Engineering College, Nadergul, Hyderabad, IN
1 Department of Mechanical Engineering, JNTUH College of Engineering, Hyderabad, Kukatpally, IN
2 Department of Mechanical Engineering, MVSR Engineering College, Nadergul, Hyderabad, IN
Source
Manufacturing Technology Today, Vol 18, No 9 (2019), Pagination: 11-16Abstract
Electrical Discharge Machining (EDM) is one of the electrical energy based Modern Machining Technique. where electrical energy is directly used to remove or cut the metals. In the present work experiments are conducted on EDM using Al6061+SiC(3%,6%,9%), Copper and Brass materials as electrodes and EN8 steel as work material. Discharge current (IP), pulse on time (TON), pulse off time (TOFF) are selected as process parameters, Surface Roughness (SR), Tool Wear Rate (TWR) as response. Taguchi design of experiment is used to find the influence of process parameters on response and a mathematical model is developed. Percentage contribution of each factor is determined.Keywords
Discharge Current(IP), Pulse on Time (TON), Pulse Off Time (TOFF), Surface Roughness, EDM.References
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- Investigation on Effects of Process Parameters on Surface Roughness for Spinning Process using Cylindrical Mandrel
Abstract Views :254 |
PDF Views:0
Authors
Affiliations
1 Department of Mechanical Engineering, MVSR Engineering College, Nadergul, Hyderabad, IN
2 Andhra Pradesh State Council of Higher Education (APSCHE), Andhra Pradesh, IN
1 Department of Mechanical Engineering, MVSR Engineering College, Nadergul, Hyderabad, IN
2 Andhra Pradesh State Council of Higher Education (APSCHE), Andhra Pradesh, IN
Source
Manufacturing Technology Today, Vol 18, No 10 (2019), Pagination: 25-30Abstract
Flow forming is an advanced, near net shape, chip less metal forming process, which employs an increment rotary point deformation technique for manufacturing seamless symmetrical products. Spinning is an advanced continuous and localized metal forming process, which is widely used in many fields due to its advantages of flexibility, high quality and low cost. It is frequently used for manufacturing axisymmetric shapes where press tooling might not be justified on grounds of size and production volumes. It is characteristic of this process that the deformation does not occur in an annular zone around the axis of rotation but that the tools act upon a much localized area in which plastic flow takes place. During spinning tools are moved relative to the rotating work piece. In this paper, a regression model showing the relation among input process parameters, Mandrel speed (rpm), Roller type and Thickness of sheet (mm) and output (response) as surface roughness (μm) is developed using Minitab Software. The experiments were conducted on Aluminium 2024 T-3 sheets with cylindrical mandrel using Taguchi orthogonal arrays (L9). Further Analysis of Variance was carried out to find the contribution of each parameter on the surface roughness.Keywords
Mandrel Speed (rpm), Thickness of Sheet (mm), Surface Roughness (μm).References
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- Investigation of Al 2024 Metal Spinning on Surface Roughness using Conical Mandrel
Abstract Views :249 |
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Authors
Affiliations
1 MVSR Engineering College, Hyderabad, Andhra Pradesh, IN
2 AP State Council for Higher Education, Vijayawada, Andhra Pradesh, IN
1 MVSR Engineering College, Hyderabad, Andhra Pradesh, IN
2 AP State Council for Higher Education, Vijayawada, Andhra Pradesh, IN