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Mondal, Krishnendu
- Record of Desert Cat (Felis silvestris ornata) in Sariska Tiger Reserve, Rajasthan
Abstract Views :211 |
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Indian Forester, Vol 135, No 10 (2009), Pagination: 1446-1448Abstract
No abstract- For the Students, by the Students – YETI 2016
Abstract Views :252 |
PDF Views:72
Authors
Affiliations
1 Wildlife Institute of India, Dehra Dun 248 001, IN
1 Wildlife Institute of India, Dehra Dun 248 001, IN
Source
Current Science, Vol 111, No 8 (2016), Pagination: 1298-1299Abstract
Young Ecologist Talk and Interact (YETI) is a unique conference in many ways. It is one of the few conferences in the world and the only one in India which is organized by the students, for the students in the field of ecology and conservation. YETI has no fixed venue and it travels across the length and breadth of India, going where the team of students takes it. The onus of organizing YETI is totally up to a self-made team of student organizers, who come together and propose this to an ever-increasing group of YETI members.- A Brief Experimental Investigation on Wearing of CNT Reinforced Alumina Insert
Abstract Views :833 |
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Authors
Affiliations
1 Dept. of Mech Engg., Kalyani Government Engineering College, Kalyani, West Bengal, IN
2 Non-Oxide Ceramics and Composites Division, CSIR-Central Glass Ceramic Research Institute, Kolkata, IN
1 Dept. of Mech Engg., Kalyani Government Engineering College, Kalyani, West Bengal, IN
2 Non-Oxide Ceramics and Composites Division, CSIR-Central Glass Ceramic Research Institute, Kolkata, IN
Source
Manufacturing Technology Today, Vol 15, No 7 (2016), Pagination: 31-35Abstract
The aim of this work is to evaluate the performance of a newly developed multi-walled carbon nanotube (MWCNT) reinforced alumina inserts. Machining of 'difficult to machine' materials requires harder cutting tool. So, for machining hardened materials, reinforced ceramic inserts with enhanced mechanical properties like fracture toughness and hardness are used. In this research work, multi-walled carbon nanotube reinforced alumina nanocomposite is used as a cutting tool that has Vicker's hardness value of 20GPa and fracture toughness of 6.43 MPa m1/2. Machining of AISI 4340 steel rod is done under dry environment. Progress of tool wear at two cutting conditions is evaluated. Tool life of the newly developed insert may be improved by employing suitable machining environment, proper tool geometry and parameters during production of the MWCNT reinforced alumina insert.Keywords
Turning, Alumina, Carbon Nanotube, Cutting Tool, Tool Wear, Machinability.- Investigation on Machinability in Finish Turning of AISI 52100 Steel Using Different Tool Inserts in Dry Machining
Abstract Views :194 |
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Authors
Affiliations
1 Dept. of Mechanical Engg., Bankura Unnayani Institute of Engineering, Bankura, IN
2 Dept. of Mechanical Engg., Kalyani Government Engineering College, Kalyani, IN
1 Dept. of Mechanical Engg., Bankura Unnayani Institute of Engineering, Bankura, IN
2 Dept. of Mechanical Engg., Kalyani Government Engineering College, Kalyani, IN
Source
Manufacturing Technology Today, Vol 15, No 10 (2016), Pagination: 9-20Abstract
This paper concerns with machinability studies in finish turning of AISI 52100 steel using various tool inserts. This steel is applied in different structural and other industrial applications. Turning tests are performed under different cutting velocity and feed with plain, narrow groove and wide groove coated carbide tool inserts. Using these diverse conditions, types of chips formed, cutting force, etc., were noted, and machinability of the tool-work combine under different conditions is explored, so that some conditions can be found out at which good machinability can be achieved. Although narrow or wide groove chip breakers are used, chip breaking is not much observed in general. Fair machinability is observed while turning using all the three types of inserts. However, fairly good tool performance is obtained when plain carbide insert is employed at higher cutting velocities of 174 and 274 m/min at the chosen feed even in dry condition.Keywords
Machining, Turning, Forces, Insert, Tool, Chip.- Wet Turning of AISI 52100 Steel-An Experimental Investigation
Abstract Views :355 |
PDF Views:4
Authors
Affiliations
1 Department of Mechanical Engineering, Bankura Unnayani Institute of Engineering, Bankura-722146, West Bengal, IN
2 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN
1 Department of Mechanical Engineering, Bankura Unnayani Institute of Engineering, Bankura-722146, West Bengal, IN
2 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, IN
Source
Journal of the Association of Engineers, India, Vol 87, No 3-4 (2017), Pagination: 46-59Abstract
This paper concerns with machinability study by judging cutting force, chip formed and chip reduction coefficient while finish turning of AISI 52100 steel employing a number of tool inserts in wet environment. This kind of steel is utilized in constructing different structures, equipment, etc. Turning tests are carried out with varying speed-feed combinations. Narrow groove, plain (without any groove) and wide groove coated carbide inserts are used. Chip formed, cutting force components, etc. are observed. From the results obtained, some conditions are tried to explore corresponding to desired machinability. Good machining performance is reported with plain tool insert at the cutting velocity of 161 m/min and 253 m/min within the scope of the present work.Keywords
Machining, Turning, Coated Carbide, Cutting Force, Insert, Cutting Tool, Wet Condition.References
- Kalpakjian, S. and Schmid, S.R., Manufacturing Processes for Engineering Materials, Pearson Publication, India, 2016.
- Agrawal, A., Goel, S., Rashid, W.B. and Price, M., Prediction on surface roughness during hard turning of AISI 4340 steel (69 HRC), Applied Soft Computing, Vol. 30, pp. 233-238, 2015.
- Zhou, J. and Andersson, M., Effect of lubricant condition and tool wear in hard turning of novel-abrasion-resistance (N-AR) cast iron, Materials and Manufacturing Processes, Vol. 22, pp. 865-870, 2007.
- Davim, J.P. and Figueira, L., Machinability evaluation in hard turning of cold work tool steel (D2) with ceramic tools using statistical techniques, Materials and Design, Vol. 28, pp. 1186-1191, 2007.
- Mondal, K., Das, S., Mandal, B. and Sarkar, D., An investigation on turning hardened steel using different tool inserts, Materials and Manufacturing Processes, Vol. 31(13), pp. 1770-1781, 2016.
- Mondal, K. and Das, S., An investigation on machinability during turning hardened steel in dry condition, Journal of The Institution of Engineers (India): Series C, DOI: 10.1007/s40032-017-0370-1, 2017.
- Mondal, K. and Das, S., An investigation on machinability during hard turning with narrow groove tool insert in different environmental conditions, Proceedings of the International Conference on Mechanical Engineering, Dhaka, Bangladesh, p. 200, 2015.
- Mahanty, P.S., Mondal, B.N. and Das, S., Development and performance testing of toughened alumina ceramic cutting tool, Proceedings of the International Conference on Advanced Manufacturing Technology, Durgapur, India, pp. 547-553, 2007.
- Sarkar, S., Sarkar, S., Das, P.K., Das, S. and Paul, S., Performance of a newly developed multiwalled carbon nanotube reinforced alumina tool insert during turning of AISI 1060 steel, Journal of Association of Engineers, Vol. 86(1-2), pp. 64-79, 2016.
- Sarkar, S., Mondal, K., Das, S. and Das, P.K., A brief experimental investigation on wearing of CNT reinforced alumina insert, Manufacturing Technology Today, Vol. 15(7), pp. 31-35, 2016.
- El Hakim, M.A., Shalaby, M.A., Veldhuis, S.C. and Dosbaeva, G.K., Effect of secondary hardening on cutting forces, cutting temperature, and tool wear in hard turning of high alloy tool steels, Measurement, Vol. 65, pp. 233-238, 2015.
- Sahoo, A.K. and Sahoo, B., Experimental investigation on machinability aspects in finish hard turning of AISI 4340 steel using uncoated and multilayer coated carbide inserts, Measurement, Vol. 45, pp. 2153-2165, 2012.
- Chattopadhyay, A.B., Machining and Machine Tools, Wiley India Pvt. Ltd., India, 2011.
- Jerold, B.D. and Kumar, M.P., Machining of AISI 316 stainless steel under carbon-di-oxide cooling, Materials and Manufacturing Processes, Vol. 27, pp. 1059-1065, 2012.
- Fratila, D. and Caizar, C., Investigation of the influence of process parameters and cooling method on the surface quality of AISI-1045 during turning. Materials and Manufacturing Processes, Vol. 27, pp. 1123-1128, 2012.
- Mia, M. and Dhar, N.R., Optimization of surface roughness and cutting temperature in high-pressure coolant-assisted hard turning using Taguchi method, International Journal of Advanced Manufacturing Technology, Vol. 88, pp. 739-753, 2017.
- Sing, R.K., Sharma, A.K., Dixit, A.R., Tiwari, A.K., Pramanik, A. and Mandal, A., Performance evaluation of alumina- graphene hybrid nano-cutting fluid in hard turning, Journal of Cleaner Production, Vol.162, pp. 830-845, 2017.
- Chen, L., Tai, B.L., Chaudhari, R.G., Song, X. and Shih, A.J., Machined surface temperature in hard turning, International Journal of Machine Tools and Manufacture, DOI: http://dx.doi.org/10.1016/j.ijmachtools.2017.03.003, 2017.
- Liew, P.J., Shaaroni, A., Sidik, N.A.C. and Yan, J., An overview of current status of cutting fluids and cooling techniques of turning hard steel, International Journal of Heat and Mass Transfer, Vol.114, pp. 380-394, 2017.
- Akincioglu, S., Gokkaya, H. and Uygur, I., The effects of cryogenic-treated carbide tools on tool wear and surface roughness of turning of hastelloy C22 based on Taguchi method, International Journal Advanced Manufacturing Technology, Vol. 82(1-4), pp. 303-314, 2016.
- Singh, D. and Rao, P.V., Performance improvement of hard turning with solid lubricants, International Journal of Advanced Manufacturing Technology, Vol. 38, pp. 529-535, 2008.
- Pereira, O., Rodriguez, A., Fernandez-Valdivielso, A., Barreiro, J., Fernandez-Abiab, A.I. and Lopez-de-Lacalleb, L.N., Cryogenic hard turning of ASP23 steel using carbon dioxide, Procedia Engineering, Vol.132, pp. 486-491, 2015.
- First photographic evidence of Asian Golden Cat Catopuma temminckii (Vigors and Horsfield, 1827) from Neora valley National Park, Central Himalayas, India
Abstract Views :263 |
PDF Views:147
Authors
Affiliations
1 Zoological Survey of India, M - Block, New Alipore, Kolkata – 700053, West Bengal, IN
1 Zoological Survey of India, M - Block, New Alipore, Kolkata – 700053, West Bengal, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 118, No 2 (2018), Pagination: 128-132Abstract
The Asiatic golden cat Catopuma temminckii also known as the Temminck’s cat is a medium-sized wild cat distributed throughout South Asia. Asian Golden Cat is currently listed as Near Threatened in the IUCN Red List, and also listed in the Appendix I by CITES and Scheduled I in the Wildlife (Protection) Act, 1972 as the current population has been found to be declining due to habitat loss and poaching. It is a shy and elusive mammal, and very little information is available on its range, habitat and behaviour. The present study was conducted during the month of February and March 2017 as part of the Biodiversity assessment in the Indian Himalayan landscape through long-term monitoring protocol under the National Mission on Himalayan Studies, funded by the Ministry of Environment, Forest and Climate Change, Govt. of India. During the fieldwork in Neora Valley National Park, camera traps were deployed to record presence of mammals and ground birds. An Asian Golden Cat (Catopuma temminckii Vigors and Horsfield, 1827) was photo-captured in a single camera trap deployed in a trail in Thosum Beat of the Neora Valley National Park. The camera trap photograph confirmed the Asiatic Golden cat, presence in the National Park, and therefore, a long-term study in its probable habitats in South Asia may reveal its distribution, population status and ecology which will help towards long-term conservation of this species.Keywords
Camera Trap, Darjeeling, Small Cat, Temperate Upper Hill Forest.References
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- Choudhury, A. 2007. Sighting of Asiatic golden cat in the grasslands of Assam’s Manas National Park. Cat News, 47: 29.
- Datta, A., Anand, M.O. and Naniwadekar, R. 2008. Empty forests: Large carnivore and prey abundance in Namdapha National Park, north-east India. Biol Cons., 141(5): 1429-1435.
- Dhendup, T. 2016. Status of Asiatic Golden Cat Catopuma temminckii Vigors & Horsfield, 1827 (Carnivora: Felidae) in Bhutan. JoTT., 8(4): 8698-8702.
- De, J. K., Mandal, A. K. and Ghosh, M. K. 2006. Mammals, Fauna of Arunachal Pradesh. State Fauna Series, 13 (Part 1): 21-68.Published by Zool. Surv. India.
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- Gouda, J., Sethy, J. and Chauhan, N. P. S. 2016. First photo capture of Asiatic golden cat in Dampa Tiger Reserve, Mizoram, India. Cat News, 64: 26-27.
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- Tempa, T., Hebblewhite, M., Mills, L.S., Wangchuk, T.R., Norbu, N., Wangchuk, T., Nidup, T., Dendup, P., Wangchuk, D., Wangdi, Y. and Dorji, T. 2013. Royal Manas National Park, Bhutan: a hot spot for wild felids. Oryx, 47(2): 207-210.
- Tempa, T., Norbu, N., Dhendup, P. and Nidup, T. 2011. Results from a camera trapping exercise for estimating tiger population size in the lower foothills of Royal Manas National Park. Ugyen Wangchuck Institute for Conservation and Environment and Royal Manas National Park, Royal Government of Bhutan, Lamai Gompa.
- Thinley, P., Morreale, S.J., Curtis, P.D. and Lassoie, J.P. 2015. Diversity, occupancy, and spatio-temporal occurrences of mammalian predators in Bhutan’s Jigme Dorji National Park. Bhutan J. Nat. Res. Dev., 2(1): 19-27.
- Vernes, K., Sangay, T., Rajaratnam, R. and Singye, R. 2015. Social Interaction and co-occurrence of colour morphs of the Asiatic Golden Cat, Bhutan. Cat News, 62: 18-20.
- Wang, S.W. 2007. A rare morph of the Asiatic golden cat in Bhutan’s Jigme Singye Wangchuck National Park. Cat News, 47: 27-28.
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- Evidence of presence of Marbled Cat Pardofelis marmorata (Martin, 1837) in Neora Valley National Park, Central Himalaya, India
Abstract Views :258 |
PDF Views:191
Authors
Affiliations
1 Zoological Survey of India, Prani Vigyan Bhawan, Block M, New Alipore, Kolkata - 700053, West Bengal, IN
1 Zoological Survey of India, Prani Vigyan Bhawan, Block M, New Alipore, Kolkata - 700053, West Bengal, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 119, No 2 (2019), Pagination: 193-196Abstract
The Marbled Cat (Pardofelis marmorata (Martin, 1837)) is an elusive and near threatened species as per the IUCN assessment and listed in the CITES Appendix – I. Present study record the first photographic evidence of Marbled Cat Pardofelis marmorata (Martin, 1837) in the Neora Valley National Park, Central Himalaya, India. Although, it was recorded from many parts of its range, the two camera trapped photographs within the National Park is claimed to be the first ever evidence of its occurrence in the Park. Nevertheless, many other ecological information such of population size, food and feeding behaviour etc. on the species is still unknown. Neora Valley National Park has not been given much of priority in terms of studying the ecology of the small carnivores existing inside the park and therefore need further investigations.Keywords
Carnivore, Himalaya, Marbled Cat, Neora Valley.References
- Biswas, G.G., Das, D. and Mukhopadhyay, A. 1999. Richness of mammalian species in the higher elevations of Neora Valley National Park, ZOO’S PRINT, 14 (4), 10-12. https://doi.org/10.11609/JoTT.ZPJ.14.4.10-2.
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- First Photographic Evidence of Panthera tigris from Neora Valley National Park, Central Himalayas, India
Abstract Views :258 |
PDF Views:150
Authors
Affiliations
1 Zoological Survey of India, Prani Vigyan Bhawan, M - Block, New Alipore, Kolkata - 700053, West Bengal, IN
1 Zoological Survey of India, Prani Vigyan Bhawan, M - Block, New Alipore, Kolkata - 700053, West Bengal, IN
Source
Records of the Zoological Survey of India - A Journal of Indian Zoology, Vol 120, No 1 (2020), Pagination: 89-91Abstract
Present article reports first photographic evidence of Panthera tigris from Neora Valley National Park. Previous sightings have been occasionally reported from the National Park and its surroundings, whereas the present study is the first scientific study confirming the presence of this species through photographic evidence. Tiger was camera trapped on a trail in the upper forest region of the National Park at an altitude of 2605m.Keywords
Camera Trap, Carnivore, Central Himalaya, First Record.References
- Biswas, G.G., Das, D. and Mukhopadhyay, A. 1999. Richness of mammalian species in the higher elevations of Neora Valley National Park, Zoo’s Print, 14(4), 10-12. https://doi.org/10.11609/JoTT.ZPJ.14.4.10-2
- Borthakur, U., Saini, R.P., Gupta, S.S., Jakher, R., Das, C., Das, A.K., Sarma, P.K., Talukdar, B.K. and Bharali, R. 2013. Noninvasive genetic assessment of population status of tigers (Panthera tigris tigris) in Buxa Tiger Reserve, West Bengal, India, International Journal of Biodiversity and Conservation, 5(1), 27-32.
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- Luo, S.J., Kim, J.H., Johnson, W.E., Van Der Walt, J., Martenson, J., Yuhki, N., Miquelle, D.G., Uphyrkina, O., Goodrich, J.M., Quigley, H., Tilson, R., Brady, G., Martelli, P., Subramaniam, V., Mcdougal, C., Hean, S., Huang, S.Q., Pan, W., Karanth, U.K., Sunquist, M., Smith, J.L.D. and O’Brien, S.J. 2004. Phylogeography and genetic ancestry of tigers (Panthera tigris), PLoS Biology, 2, 2275-93. https://doi.org/10.1371/journal.pbio.0020442. PMid: 15583716, PMCid: PMC534810.
- Mallick, J.K. 2012. Mammals of Kalimpong Hills, Darjeeling District, West Bengal, India, Journal of Threatened Taxa, 4(12): 3103-36. https://doi.org/10.11609/JoTT.o2418.3103-36.
- An Investigation on Turning of Hard Steel using Coated Carbide Inserts
Abstract Views :340 |
PDF Views:3
Authors
Affiliations
1 Mechanical Engineering Department, Bankura Unnayani Institute of Engineering, Bankura-722146, IN
2 Mechanical Engineering Department, Kalyani Government Engineering College, Kalyani- 741235, IN
1 Mechanical Engineering Department, Bankura Unnayani Institute of Engineering, Bankura-722146, IN
2 Mechanical Engineering Department, Kalyani Government Engineering College, Kalyani- 741235, IN
Source
Journal of the Association of Engineers, India, Vol 90, No 1-2 (2020), Pagination: 47-55Abstract
Employing conventional machining operations in material removal type manufacturing processes for processing difficult-to-machine hard materials through some ways and means is the focus of research by machining research groups across the globe since long. This gives considerable advantages over the grinding process in terms of higher material removal rate, better surface integrity of the work surface, etc., although grinding is commonly used for material removal of quite hard materials along with their finishing. In this paper, machinability of hard AISI 4340 steel is explored employing groove-type chip breaking coated carbide inserts under various cutting velocity and feed at dry condition. Hardened AISI 4340 is considered to be a difficult-to-machine material, and hence, recommendable machining conditions need to be found out. Favourable flat continuous chip is acquired at a cutting velocity of 231 m/min and at a feed of 0.08 mm/rev. At 391 m/min cutting velocity, cutting edges are detected to have worn-out quite fast.Keywords
Machining, Turning, Cutting Force, Chip, Insert, Coated Carbide.References
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- Machinability Study on Hard AISI 4340 Steel with Carbide Cutting Tools
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Authors
Affiliations
1 Department of Mechanical Engineering, Bankura Unnayani Institute of Engineering, Bankura-722146, West Bengal, IN
1 Department of Mechanical Engineering, Bankura Unnayani Institute of Engineering, Bankura-722146, West Bengal, IN
Source
Indian Science Cruiser, Vol 35, No 6 (2021), Pagination: 16-22Abstract
An investigation on machinability study on hard grade AISI 4340 steel with carbide cutting tools during turning is reported in this paper. This steel is employed in military aircraft, automotive systems, forged hydraulic systems and other machine tools. TiC coated groove type SNMG 120408-PM and TiC coated plain SNMA 120408/315 K15 carbide inserts are used under dry condition at a constant depth of cut. Wear test is also done. Turning tests employing groove type insert give desired performance, eg. high material removal rate, low tool wear rate and broken chips at a feed above 0.1 mm/rev with no built-up edge formation.Keywords
Machinability, Machining, Hard Steel, Turning, Carbide Tool, Cutting Force, Tool Wear.References
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- An Investigation on Machining of Hard AISI 4340 Steel Under Varying Environmental Conditions
Abstract Views :218 |
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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