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선반 구조변경을 위한 현장용 공구대 강성계산모델open accessPractical Turret Stiffness Calculation Model to Modify Lathe Strucure
- Other Titles
- Practical Turret Stiffness Calculation Model to Modify Lathe Strucure
- Issue Date
- 2017
- Publisher
- 한국기계가공학회
- Keywords
- Modified Lathe; Turret Stiffness; Stiffness Model; Sliding Guide; Ptactical; Turnable Diameter; 구조변경; 터렛 강성; 강성모델; 미끄럼 가이드; 현장용; 선삭 직경
- Citation
- 한국기계가공학회지, v.16, no.5, pp 19 - 24
- Pages
- 6
- Indexed
- KCI
- Journal Title
- 한국기계가공학회지
- Volume
- 16
- Number
- 5
- Start Page
- 19
- End Page
- 24
- ISSN
- 1598-6721
2288-0771
- Abstract
- In this research, a practical stiffness calculation method is developed and applied for modifying the heightof the headstock, turret, and tailstock of a CNC lathe to enlarge the turntable diameter. The casting structureis assumed to be a rigid body and the linear motion element to be an elastic spring to simplify the turretstiffness calculation model. The stiffness of the sliding guide and ball screw of the original lathe is measuredwith a push tester and LVDT sensor, and the turret stiffness of the modified lathe is predicted and comparedwith experimental results to verify the model. The measured stiffness of the original turret is 0.17 kN/μm andthat of the modified turret is 0.11 kN/μm, i.e., an 18% difference from the predicted result. The verifiedstiffness calculation model can be used to develop another modified lathe.
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