By R. Ganesh Narayanan, Uday Shanker Dixit
This edited booklet comprises prolonged examine papers from AIMTDR 2014. This comprises fresh study paintings within the fields of friction stir welding, sheet forming, becoming a member of and forming, modeling and simulation, effective prediction suggestions, micro-manufacturing, sustainable and eco-friendly production concerns and so on. this may end up helpful to scholars, researchers and practitioners within the box of fabrics forming and manufacturing.
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Additional info for Advances in Material Forming and Joining: 5th International and 26th All India Manufacturing Technology, Design and Research Conference, AIMTDR 2014
Appendix Estimation of Temperature Distribution in the Strip at Exit Side The temperature distribution of strip at the exit side is obtained as (Kim et al. 2009) 0 À Á1 R h2 ks 2 @4kn 02 T ðy; 0Þcosðkn yÞdy À 4T0 sin kn h22 A cosðkn yÞ; Te ðy; tÞ ¼ T0 þ exp À k t qcp n kn h2 þ sinðkn h2 Þ n¼1 1 X ð27Þ where T(y, 0) is the temperature at the exit of deformation zone that corresponds to time t = 0, T0 is the temperature of the coolant, ha is the convective heat transfer coefﬁcient at the strip surface, ks is the thermal conductivity of strip, ρ is the density of strip, cp is the speciﬁc heat, and λn are obtained by solving the following equation: h2 h2 ks kn sin kn À ha cos kn ¼ 0: 2 2 ð28Þ The temperature below the sensor is obtained by substituting y¼ h2 2 and t¼ distance from the exit of roll bite to sensor exit velocity of the strip ð29Þ in Eq.
S. 1007/978-81-322-2355-9_2 29 30 Y. Kumar and S. Kumar and this is one reason that it is viable to undertake large-scale research and development projects because even a small saving per ton adds up to huge sums (Juneja 2013). The incremental forming process is originated from stretch forming and metal spinning process. The ISF has been originated with partial hybridization of stretch forming process and metal spinning processes. Thus, ISF process has combined advantages of stretch forming processes and metal spinning process.
1—a sheet metal, a blank holder, a single-point forming tool or DT, and CNC machine. The shape of DT may be hemispherical. The design of DT is quite simple and economical. A CNC controller having capability for controlling individual 3 axes can be used to control the movements of the DT. The tool path needs to be optimized and a free run is taken before performing the actual manufacturing on the sheet metal in order to ensure the proper functioning of the machine. Fig. 1 Basic elements of ISF Incremental Sheet Forming (ISF) 31 Fig.