Study on Cold Forward Extrusion Formality Analysis along with Tool Entrance Angle of Helical Gear for Electronic Parking Brake Using Finite Element Analysis
2015
This study uses finite element analysis to evaluate the forming load of tool entrance angle of the cold forward extrusion molding process of helical gear; this can replace the spur gear applied to the Electronic Parking Brake (EPB) system. A cold forging process is often used in the automobile industry as well as in various industrial machines due to its high efficiency. Finite element analysis is frequently used when interpreting results of the forging process. Formality was evaluated by calculating tooth profile filling rate of helical gear. Change in required forming load was investigated when the entrance angle of forward extrusion tool die was changed from 30° to 60°, also by finite element analysis. We suggest suitable tool entrance angles.
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