5축 볼엔드밀 가공 NC 데이터의 최적 공구 길이 계산
- 5축 볼엔드밀 가공 NC 데이터의 최적 공구 길이 계산
- Other Titles
- Optimal Tool Length Computation of NC Data for 5-axis Ball-ended Milling
- 박정환; 조현욱[조현욱]
- 5-Axis Machining; Optimal Tool Length; NC Data
- Issue Date
- 한국CAD/CAM학회 논문집, v.15, no.5, pp.354 - 361
- The paper presents an efficient computation of optimal tool length for 5-axis mold & die machining.
The implemented procedure processes an NC file as an initial input, where the NC data is generated by another commercial CAM system. A commercial CAM system generates 5-axis machining NC data which, in its own way, is optimal based on pre-defined machining condition such as tool-path pattern,tool-axis control via inclination angles, etc. The proper tool-length should also be provided. The toollength should be as small as possible in order to enhance machinability as well as surface finish. A feasible tool-length at each NC block can be obtained by checking interference between workpiece and tool components, usually when the tool-axis is not modified at this stage for most CAM systems. Then the minimum feasible tool-length for an NC file consisting of N blocks is the maximum of N toollength values. However, it can be noted that slight modification of tool-axis at each block may reduce the minimum feasible tool-length in mold & die machining. This approach can effectively be applied in machining feature regions such as steep wall or deep cavity. It has been implemented and is used at a molding die manufacturing company in Korea.
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