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Samanta, Supriyo
- Comparison of Loosening Characteristics of 3/8 BSW Threaded Fasteners under Accelerated Vibratory Condition
Abstract Views :320 |
PDF Views:0
Authors
Supriyo Samanta
1,
Soumyajit Das
1,
Ranendra Roy
1,
Kamalendu Bhukta
1,
Anirban Pal
1,
Santanu Das
1
Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani- 741235, West Bengal, IN
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani- 741235, West Bengal, IN
Source
Journal of the Association of Engineers, India, Vol 82, No 3-4 (2012), Pagination: 34-43Abstract
Nuts and bolts are widely used fastening elements in industrial and household applications. They offer a good amount of tightening load to remain in the fastened element and also cause easy assembly and disassembly. However, they are also subject to loosening under transverse vibration. Therefore, fasteners need be properly selected according to their applications or else they may cause fatal mishaps by their loosening. In the present work, an effort has been made to evaluate a comparative study of loosening tendency of various threaded fasteners. Tests have been carried out on 3/8 BSW Stainless Steel and High Tension Steel Bolts fitted with different nuts and washers. Tests were carried out on an indigenously made testing rig. The decrease in clamping force has been recorded at regular intervals. Then a comparative study of the loosening tendency of the threaded fasteners is made to find out one having good resistance to loosening under hostile vibration condition.Keywords
Threaded Fastener, Loosening Mechanism, Comparative Study, Nut, Bolt, Washer, Antiloosening Ability.
- Comparison of Anti-Loosening Characteristics of Various M14 Threaded Fasteners
Abstract Views :188 |
PDF Views:3
Authors
Supriyo Samanta
1,
Soumyajit Das
1,
Ranendra Roy
1,
Kamalendu Bhukta
1,
Anirban Pal
1,
Santanu Das
1
Affiliations
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani- 741235, West Bengal, IN
1 Department of Mechanical Engineering, Kalyani Government Engineering College, Kalyani- 741235, West Bengal, IN
Source
Indian Science Cruiser, Vol 26, No 6 (2012), Pagination: 22-27Abstract
Threaded fastener is widely used in industrial and household applications. It retains good amount of tightening load and also offers easy assembling and disassembling. However, it can be loosened under vibration thereby causing fatal mishaps sometimes. In the present experimental investigation, a comparative study of the anti-loosening tendency of various high tension steel M14 threaded fasteners is evaluated on an indigenously made testing rig offering accelerated test facility. It is observed that the decrease in clamping force is the lowest after 12600 oscillations for nylon wrapped bolt. Hybrid double nut is found to show good resistance to loosening next to nylon wrapped bolt.