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최대 10 단어까지만 선택 가능합니다.
제안 방법
- Besides, a recliner is closely linked to vehicle stability, fine blanking produces that secure accurate processing are commonly utilized. This study aims to develop 2 cavity fine blanking die technology in application of a seat recliner, which is a automotive backrest angle adjuster, to an accurate gear minute module.
- 14 shows measurements of a shear surface. Since the 2 Cavity fine blanking process involved measurement reduction of the gear part, the test was repeated to examine the range of contraction. The gear punch was then re-processed in reflection of the range.
- This study is to develop 2 Cavity fine blanking die technology in application of an accurate gear for parts of a recliner, a automotive backrest angle adjustor. In application of the forming analysis technology applied to the major processes including initial die design and production, 2 Cavity fine blanking die technology was successfully developed.
대상 데이터
- The material used in the test was SCM415H as thick as 4mm, and the tension test specimens went through the wire cutting process in the direction of rolling. In the tension test, the speed of a cross head was kept constant by means of a universal material tester, and tension continued being applied up to the point of breaking.
- 4 ton, which secures at least 30% of safety ratio. In this study, selected was a 700 ton fine blanking press.
- To form a minute module gear of automotive seat recliner parts, a fine blanking die was designed as a type of progressive die. To design a optimal layout and minimize the use of materials, the width was set to 174mm and the pitch 105mm respectively. Fig.
- As for fine blanking die materials, alloy steel CPMM4 materials were chosen for the main punch and gear punch in consideration of the high surface pressure applied to workpiece materials. SKH51 was chosen for die insert parts. For other parts, alloy tool steel STD11 was chosen.
- SKH51 was chosen for die insert parts. For other parts, alloy tool steel STD11 was chosen. Fig.
- Fine blanking products are widely used for functional parts of vehicles and also for such areas as common mechanical elements where both product precision and high quality of the shear surface are required. In this study, designed and produced is 2 Cavity fine blanking die that can make two products simultaneously through a single press process of automotive seat recliner parts. Fig.
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