터치 트리거 프로브를 이용한 수평형 4축 공작기계의 위치오차 측정open accessMeasurement of location errors in a horizontal 4-axis machine tool using a touch trigger probe
- Other Titles
- Measurement of location errors in a horizontal 4-axis machine tool using a touch trigger probe
- Authors
- 정지훈; 김경호; 오정석; 정성종
- Issue Date
- Aug-2019
- Publisher
- Korean Society for Precision Engineeing
- Keywords
- Homogeneous transformation matrix; Horizontal machine tool; Location error; Sphere artifact; Touch trigger probe
- Citation
- Journal of the Korean Society for Precision Engineering, v.36, no.8, pp 745 - 752
- Pages
- 8
- Indexed
- SCOPUS
KCI
- Journal Title
- Journal of the Korean Society for Precision Engineering
- Volume
- 36
- Number
- 8
- Start Page
- 745
- End Page
- 752
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2156
- DOI
- 10.7736/KSPE.2019.36.8.745
- ISSN
- 1225-9071
2287-8769
- Abstract
- We propose the measurement method for location errors in a horizontal 4-axis machine tool using a touch trigger probe and a sphere artifact. Location errors (type of geometric errors), are values that do not change with the position of each feed axis because these errors are usually fixed in an assembly procedure. There are seven location errors in a horizontal 4-axis machine tool; three squareness errors in three linear axes and two squareness and two offset errors in a rotary axis. The positions of center point of sphere artifact on a rotary axis are measured by a touch trigger probe mounted on a tool axis. Because measured center points are expressed by seven location errors via the homogeneous transformation matrix, location errors can be separated by analyzing measured data. To validate the proposed method, measurement experiments were performed on a horizontal 4-axis machine tool. Measurement results were verified by comparing before and after compensation.
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