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칩 말림 방지를 위한 고압 분사 노즐 설계에 관한 연구A Study on Design of High Pressure Injection Nozzle for Avoiding Chip Curling
- Other Titles
- A Study on Design of High Pressure Injection Nozzle for Avoiding Chip Curling
- Issue Date
- 2011
- Publisher
- 한국생산제조학회
- Keywords
- Injection Nozzle(분사노즐); Chip Curling(칩 말림); HP Holder(고압홀더); CFD(전산유체역학); FEM(유한요소해석)
- Citation
- 한국생산제조학회지, v.20, no.6, pp 793 - 798
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국생산제조학회지
- Volume
- 20
- Number
- 6
- Start Page
- 793
- End Page
- 798
- ISSN
- 2508-5093
2508-5107
- Abstract
- In this study, it was grasped to the flow characteristics of cutting fluid injected by nozzle installed in high pressure holder for avoiding chip curling occurred during machining process. And for avoiding chip curling, the possibility of elimination under various chip conditions was checked. Consequently, the highest discharging pressure and velocity was shown in 15o of nozzle inflow angle. Also as nozzle outlet diameter is small, the pressure and velocity of injected flow are high. Moreover,It could be confirmed that width and thickness of chip have no direct effect on chip elimination and it is achieved by torque generated by injected cutting fluid.
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