Temperature distributions of cold forging process for a cambolt has been predicted by using finite element method in this paper. The cambolt is used as a part in the steering system of a vehicle for the purpose of driving balanced, so some proper mechanical properties such as strength and endurance limit are required for this part. Moreover, temperature is also an important factor to realize mass production and improve efficiency. However, direct measurement of temperature in a forging process is infeasible with existing technology; therefore, there is a critical need for a new technique. In this study, the thermo-coupled finite element method has been presented for predicting the temperature distribution. The rate of the energy conversion to heat for the material of workpiece has been defined and the temperature distribution throughout the forging process of the cambolt has been analyzed. Experimental verification of the technique is presented.

Planetary Pipe rolling process for AISI 304 stainless steel has been studied by using finite element method. Three-roll Mannesmann method is applied to this study. Commonly, rolling process has started from the cold working and finished to the hot one. The rolling process can provide excellent combinations of cost and process reduction than existing one. The process includes various and complex parameters. Each of the process parameters affects forming result. Therefore, all of the process parameters should be considered in FEA.