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Development of Multipurpose Welding Jig for Sub-Frame  

Shin, H.G. (전북대 기계시스템 공학부)
Publication Information
Journal of the Korean Society of Mechanical Technology / v.13, no.4, 2011 , pp. 131-136 More about this Journal
Abstract
In commercial vehicle, sub-frame which equipped in main frame supporting dump deck and oil tanker. This is the main structure for all equipment which including joint function. Sub-frame is made by welding process, this susceptible to deform and crack by its longitudinal size. Also various kind of sub-frame make it difficult to standardization in manufacturing process and exclusive jig is not adapted yet. Frame size is over 6~8m and weight is more than 300kg this make re-work more difficult. If manufacturing company made precise sub-frame, this is not only convenient for customers but also save the company money by reducing the working time. In this study manufacture the sub-frame be suitable for its main function and develop exclusive welding jig for obtain checking fixture function as well.
Keywords
Welding Jig; Strength; Tolerance; Checking Fixture; Reverse Engineering; Three dimension coordinate measuring machine;
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