Details
| Original language | English |
|---|---|
| Pages (from-to) | 613-619 |
| Number of pages | 7 |
| Journal | Production Engineering |
| Volume | 11 |
| Issue number | 4-5 |
| Publication status | Published - 7 Jul 2017 |
Abstract
Automated fine positioning for machining of heavyweight components, such as gears for marine, mining or power engineering, offers significant potential for reducing setup process time. Therefore, a fine positioning system based on a novel compact piezo hydraulic pump has been developed. The system allows precision positioning of large components in 4 degrees of freedom (DOF). The presented design is able to compensate eccentric errors of ±2.5 mm, tumbling errors of ±0.1° of work pieces with a weight up to 4.7 t. A flexible circular membrane is used as a flexure bearing for the tumbling unit. The linear axes are crossed one above the other. Based on the original model, a scaled (1:31) tumbling unit was designed and realized for experimental analyses. The scaled prototype was analyzed regarding its stiffness and accuracy. Both values have been evaluated to be sufficiently high. A positioning accuracy of 4.5 µrad is expected for the original size model.
Keywords
- Fine positioning, Hydraulics, Large components, Piezoelectric
ASJC Scopus subject areas
- Engineering(all)
- Mechanical Engineering
- Engineering(all)
- Industrial and Manufacturing Engineering
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In: Production Engineering, Vol. 11, No. 4-5, 07.07.2017, p. 613-619.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Performance of a piezo-hydraulic fine positioning device
T2 - Experimental analyses with a scaled model
AU - Denkena, Berend
AU - Hülsemeyer, Lars
AU - Bergmeier, Maik
N1 - Funding information: This work was carried out within the transfer project “Piezo-hydraulic Micro-Positioning system as setup assistance for large components”. The authors want to thank the German Research Foundation (DFG) for funding this project.
PY - 2017/7/7
Y1 - 2017/7/7
N2 - Automated fine positioning for machining of heavyweight components, such as gears for marine, mining or power engineering, offers significant potential for reducing setup process time. Therefore, a fine positioning system based on a novel compact piezo hydraulic pump has been developed. The system allows precision positioning of large components in 4 degrees of freedom (DOF). The presented design is able to compensate eccentric errors of ±2.5 mm, tumbling errors of ±0.1° of work pieces with a weight up to 4.7 t. A flexible circular membrane is used as a flexure bearing for the tumbling unit. The linear axes are crossed one above the other. Based on the original model, a scaled (1:31) tumbling unit was designed and realized for experimental analyses. The scaled prototype was analyzed regarding its stiffness and accuracy. Both values have been evaluated to be sufficiently high. A positioning accuracy of 4.5 µrad is expected for the original size model.
AB - Automated fine positioning for machining of heavyweight components, such as gears for marine, mining or power engineering, offers significant potential for reducing setup process time. Therefore, a fine positioning system based on a novel compact piezo hydraulic pump has been developed. The system allows precision positioning of large components in 4 degrees of freedom (DOF). The presented design is able to compensate eccentric errors of ±2.5 mm, tumbling errors of ±0.1° of work pieces with a weight up to 4.7 t. A flexible circular membrane is used as a flexure bearing for the tumbling unit. The linear axes are crossed one above the other. Based on the original model, a scaled (1:31) tumbling unit was designed and realized for experimental analyses. The scaled prototype was analyzed regarding its stiffness and accuracy. Both values have been evaluated to be sufficiently high. A positioning accuracy of 4.5 µrad is expected for the original size model.
KW - Fine positioning
KW - Hydraulics
KW - Large components
KW - Piezoelectric
UR - http://www.scopus.com/inward/record.url?scp=85022061512&partnerID=8YFLogxK
U2 - 10.1007/s11740-017-0752-5
DO - 10.1007/s11740-017-0752-5
M3 - Article
AN - SCOPUS:85022061512
VL - 11
SP - 613
EP - 619
JO - Production Engineering
JF - Production Engineering
SN - 0944-6524
IS - 4-5
ER -