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Mahata, Sirsendu
- A Comparative Study of Grinding Performance Using Different Fluid Delivery Techniques
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Authors
Affiliations
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani–741 235, West Bengal, IN
1 Dept. of Mechanical Engineering, Kalyani Government Engineering College, Kalyani–741 235, West Bengal, IN
Source
Journal of the Association of Engineers, India, Vol 83, No 3-4 (2013), Pagination: 63-70Abstract
Grinding fluids, commonly termed as coolants, play a vital role in controlling the heat produced during the process and the consequent thermal damage associated with it. These fluids are to be applied into the grinding zone in a suitable and effective manner, so as to reduce the heat generated and to carry away the heat produced as well as for efficient chip disposal. In this work, three different methods, namely normal flood cooling, mist cooling and multi-nozzle cooling arrangements are employed for delivering the fluid into the grinding zone. A comparative study is made among the three coolant delivery systems to assess the grinding performance. It is found that the multi-nozzle cooling arrangement produces best results in terms of force requirement and ground surface quality.Keywords
Surface Grinding, Flood Cooling, Mist Cooling, Multi-Nozzle.
- Burr Minimization in Milling: Through Proper Selection of In-Plane Exit Angle
Abstract Views :300 |
PDF Views:0
Authors
Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, Dist. Nadia, West Bengal, IN
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani-741235, Dist. Nadia, West Bengal, IN
Source
Journal of the Association of Engineers, India, Vol 81, No 1-4 (2011), Pagination: 38-47Abstract
A burr is an undesirable projection of material formed in machined parts that makes handling as well as assembly of machine parts difficult, and hence, it needs be subsequently removed or its formation needs be suppressed to allow the parts to meet specified tolerances. One way of reducing milling burr formation may be to prevent the tool from exiting the work piece. From this idea, in-plane exit angle is varied in the present work aiming at minimization of burr formation. The experimental observation is analyzed to recommend the condition when burr formation becomes negligible, or eliminated, thereby increasing productivity as the need of deburring will be either not required, or, required to a very less extent.Keywords
Milling Burr, In-Plane Exit Angle, Burr Height, Control of Burr.- Grinding of Titanium Using Alumina and Silicon Carbide Wheel
Abstract Views :265 |
PDF Views:7
Authors
Arnab Kundu
1,
Manish Mukhopadhyay
2,
Ayan Banerjee
2,
Sirsendu Mahata
2,
Bijoy Mandal
2,
Santanu Das
2
Affiliations
1 Department of Mechanical Engineering, JIS College of Engineering, Phase III, Kalyani-741235, West Bengal, IN
2 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani - 741235, West Bengal, IN
1 Department of Mechanical Engineering, JIS College of Engineering, Phase III, Kalyani-741235, West Bengal, IN
2 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani - 741235, West Bengal, IN
Source
Journal of the Association of Engineers, India, Vol 88, No 1-2 (2018), Pagination: 53-63Abstract
In the ever prospering manufacturing sector, titanium is considered as an important material due to its mechanical properties, but grinding of titanium is quite a challenging task that needs necessary attention in order to improve its grindability. Past research works reported the success of sub-zero degree cooling for enhancing grindability of several materials. The present experimental work explores the effect of application of environment friendly liquid CO2 during grinding of titanium grade I alloy compared to that under dry condition. Grindability of silicon carbide and alumina wheel is investigated and compared. Experimental results indicate that alumina wheel performs better with liquid CO2 than SiC wheel and that in dry condition while grinding titanium grade I. Therefore, liquid CO2 based cooling system may be used in industry with alumina wheel when grinding titanium grade I.Keywords
Grinding, Grindability, Sub-Zero, Cooling, Titanium, Alumina, SiC, CO2.References
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