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Optimization of parameters in cylindrical and surface grinding for improved surface finish
Dinesh Kumar Patel1, Deepam Goyal1, B S Pabla1
1Department of Mechanical Engineering, National Institute of Technical Teachers Training and Research, Sector-26, Chandigarh 160019, India.
Royal Society Open Science
|June 13, 2018
Summary
Researchers optimized grinding parameters for EN8 steel to improve surface finish. Surface grinding yielded better results (0.66 µm Ra) than cylindrical grinding (0.757 µm Ra), highlighting material and grade significance.
Area of Science:
- Materials Science
- Manufacturing Engineering
Background:
- Surface integrity is crucial for engineering product performance.
- Surface finish is a key aspect of surface integrity, often achieved through grinding.
- Optimizing grinding processes enhances surface characteristics.
Purpose of the Study:
- To investigate the effect of grinding parameters on the surface finish of EN8 steel.
- To optimize grinding process parameters for improved surface finish using both surface and cylindrical grinding.
- To identify significant variables influencing surface roughness.
Main Methods:
- Experiments were conducted using surface grinding and cylindrical grinding techniques.
- Input parameters included grinding wheel speed, depth of cut, feed, material, and travel speed.
- Four grinding wheel types (Al2O3 grades K/L, white alumina grades J/K) were tested, with surface roughness (Ra) as the output.
Main Results:
- Grinding wheel material and grade were the most significant factors affecting surface roughness in both grinding methods.
- Surface grinding achieved a superior surface roughness (0.66 µm Ra) compared to cylindrical grinding (0.757 µm Ra).
- Vibrations in cylindrical grinding likely contributed to its less favorable surface finish.
Conclusions:
- The selection of grinding wheel material and grade is critical for achieving desired surface finish.
- Surface grinding is more effective than cylindrical grinding for enhancing the surface finish of EN8 steel.
- Further research could explore vibration mitigation in cylindrical grinding for improved surface integrity.
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