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Design, Synthesis and Analysis of Loader Bucket, Boom and Linkages for Amphibious Infantry Combat Vehicle

Pimpri Chinchwad College of Engineering-Sagar Wankhede
Independent Researcher-Abhijit Kulkarni
Published 2019-10-11 by SAE International in United States
Currently, for various military activities such as construction of bridges, digging trenches, construction of roads and clearing the area during landslides, separate unit of bulldozer for dozing operation and loader for loading operation is required. But the need is to develop a single unit which could perform both of these operations efficiently and simultaneously. The paper discusses about the development of dozer bucket mechanism as a single unit to perform dozing and loading operation and connected to the amphibious infantry combat vehicle. To develop the dozer bucket mechanism synthesis of mechanism (Linkages and Boom) has carried out and care has taken to fulfill the above stated functional requirement and satisfy the geometrical constraints. The synthesis of mechanism is done with the help of ‘CATIA’ software packages. The force calculation on various joints at the different position of mechanism has evaluated with the help of ’ADAMS’ software. The finite element analysis has done using software ’ANSYS’. The developed mechanism combines the dozing and loading operation and connected to the tracked vehicle.
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Investigation of Fatigue Life of Wheels in Commercial Vehicles

SAE International Journal of Commercial Vehicles

Pimpri Chinchwad College of Engineering-Umesh Sadashiv Bawaskar, P. Awasare
  • Journal Article
  • 02-11-04-0017
Published 2018-08-21 by SAE International in United States
In India, vehicle population increases every day along with road accidents by 2.5% every year. About 7.7% of accidents are caused by wheel separation, 60% of which are due to nut-related problems. Wheel separations in vehicles occur due to fastener issues and fatigue failures in bolts. A study of the reasons for and mechanisms of nut loosening showed that left-hand side wheels detached and fracture failure occurred in right-hand side studs. Fatigue life of wheels with Nord-Lock washer and without washer is determined by using numerical analysis as per the IS 9438 cornering fatigue test. These numerical results are compared with experimental results.
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Sustainability and Production Economics of Titanium for Engine Valve: India Perspective

Pimpri Chinchwad College of Engineering-Vikrant Garud, Sanjiwan Bhoite
ARAI Academy Pune-Sagar Patil
Published 2018-07-09 by SAE International in United States
Automotive industry is looking to have breakthrough for utilization of titanium in vehicles with cost effective solution. This is due to the relative cost factor and for titanium it is 20 and 2.9 times greater than steel and aluminium respectively. Looking at Today’s scenario of multi material vehicle, it weighs approximately 221 kg on usage of conventional materials i.e. aluminium 37%, steel 42% and composites 21%. also Indian government has taken bold decision to meet BS VI norms directly by 2020 and to achieve the same it is required to meet NOx level of 0.06 g/km for gasoline vehicles and 0.080 g/km for diesel vehicle along with EGR rates of 35% at full load at which conventional materials like steel, aluminium has to withstand for high temperature cycles and high compressed air pressure at outlet. Hence positive progress of implementation of titanium by proving its production economy and sustainability for leading automotive components like exhaust system, valve train and turbocharger components in vehicles for the mass market is prime important. But focusing on mass market…
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