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Mandal, Bijoy
- An Experimental Investigation on Grindability of Titanium Grade 1 under Different Environmental Conditions
Abstract Views :178 |
PDF Views:1
Authors
Affiliations
1 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN
1 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN
Source
Manufacturing Technology Today, Vol 14, No 2 (2015), Pagination: 3-10Abstract
Grinding of titanium alloy is difficult due to its high hot strength, poor thermal conductivity and high work hardenability. At the time of grinding operation, large amount of heat is generated. To control resulting temperature rise at the grinding zone, suitable coolant and/or lubricant is to be used along with selection of appropriate process parameters and grinding wheel. However, supplying grinding fluid inside the grinding zone is difficult, and it needs suitable method of application to control temperature to obtain quality ground specimen. In the present work, a comparative study has been done through experimental investigation between dry grinding, wet grinding using flood cooling, and grinding with grease. Workpiece quality, force needed, grinding-ratio, and chips formed have been observed and results are discussed. Better grindability has been found with the use of grease at 30 μm in feed than the other two conditions tested.Keywords
Grinding, Grinding Fluid, Grease, Flood Cooling, Grindability, Grinding Force.
- An Investigation on Machining of Hard AISI 4340 Steel Under Varying Environmental Conditions
Abstract Views :211 |
PDF Views:2
Authors
Affiliations
1 Bankura Unnayani Institute of Engineering, Bankura, West Bengal, IN
2 Kalyani Government Engineering College, Kalyani, Nadia, West Bengal, IN
1 Bankura Unnayani Institute of Engineering, Bankura, West Bengal, IN
2 Kalyani Government Engineering College, Kalyani, Nadia, West Bengal, IN
Source
Manufacturing Technology Today, Vol 20, No 7-8 (2021), Pagination: 26-44Abstract
Cutting fluids play a significant part of metal working industries. They are broadly utilized due to their capacity to diminish tool wearing, cutting force, temperature, etc. to improve workpiece surface quality. The present work focuses on the machinability study of hard AISI 4340 steel using eco-friendly cutting fluids. Turning experiments are carried out using coated carbide inserts through Small Quantity Lubrication (SQL) under different cutting velocities and feed. Dry, rice bran oil-based solution and alkaline solution are chosen to be the environmental conditions. Under different machining conditions, types of chips, cutting force, surface roughness, etc. are noted. Full factorial type response surface methodology is used to decide on experimental runs. Tool wear tests are also performed under wet conditions. Cutting force is observed to be significantly reduced in a chosen wet environment under some cutting conditions. Rice bran oil-based emulsifier is found to perform better than alkaline solution to increase tool life.Keywords
Machining, Machinability, Turning, Cutting Fluid, Hard mMaterials, Eco-Friendly Fluid.References
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- Mondal, K., Adak, A. K., Das, S., & Mandal, B. 2020). Hard Turning of AISI 4340 Steel using Two Types of Carbide Inserts. Proceedings of the International Conference on Advancements in Mechanical Engineering, Aliah University, Kolkata, India, 43.
- Mondal, K., & Das, S. (2018). An Investigation on machinability during turning hardened steel in dry condition. Journal of the Institution of Engineers India : Series C, 99(6), 637-644.
- Mondal, K., Rahaman, J., Das, S., & Mandal, B. (2019). Machinability Study of AISI 1045 Steel using Different Coated Carbide Insert. Proceedings of the National Conferene on Trends and Advances in Mechanical Engineering, Kalyani, West Bengal, India, 75.
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