공정능력을 고려한 체결구 부품의 위치공차 최적화 방법 연구A Study on the Optimization of Position Tolerance of Fasteners Considering Process Capability
- Other Titles
- A Study on the Optimization of Position Tolerance of Fasteners Considering Process Capability
- Authors
- 이상현; 이태근; 장성호
- Issue Date
- 2009
- Publisher
- 대한안전경영과학회
- Keywords
- Process Capability; Position Tolerance; Fastener
- Citation
- 대한안전경영과학회지, v.11, no.1, pp.75 - 85
- Journal Title
- 대한안전경영과학회지
- Volume
- 11
- Number
- 1
- Start Page
- 75
- End Page
- 85
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/2884
- ISSN
- 1229-6783
- Abstract
- Designers have to consider voice of customer, process capability, manufacturing standards & condition, manufacturing method and characteristics of products to decide tolerances. Especially, in case of position of hole and pin, designers have to consider process capability to decide tolerances. The traditional position tolerances used in a drawing are theoretical values which are allocated to position under the worst case assembling condition that both hole and pin are the maximum material condition(MMC). However, when the process capability is high, more exact product size can be produced under stable manufacturing condition. Larger clearance of hole and pin can be allocated. In this point of view, manufacturer could increase the yield by allocating larger position tolerance than theoretical position tolerance of hole and pin considering process capability.
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