Recently, in construction vehicles like exacavator, many customers demand the interior parts to be convenient and handy to operate. Futermore, that parts had to be more lightweight and better quality and durability. For this reaseon, the combination switch, a part for operation of head lamps, wipers, horn, etc, had been designed as a new lightweight structure by using PA plastics material and had been changed the mechanical contact into electric non-contact by using Hall IC and FET.

Abstract
 1. 서 론
 2. 구조 설계
 3. 주요부 구조해석
 4. 결 론
 References

• 박경민(Department of Automobile Engineering at VISION college of Jeonju) | Kyung-Min Park Corresponding Author
• 김정훈(Dong Suh Control CO.LTD.) | Jeong-Hoon Kim
• 김찬수(Dong Suh Control CO.LTD.) | Chan-Soo Kim