General Stiffness Analysis for Multi-Axis Machine Tool

Analysis and Optimal Design for the Static Stiffness of a 2UPS-UPR Parallel Machine Tool

Materials Science Forum ◽

10.4028/www.scientific.net/msf.626-627.429 ◽

2009 ◽

Vol 626-627 ◽

pp. 429-434 ◽

Cited By ~ 1

Author(s):

Liang Zhao ◽

Ya Dong Gong ◽

Guang Qi Cai

Keyword(s):

Machine Tool ◽

Structural Design ◽

Machine Tools ◽

Structural Parameters ◽

Parallel Machine ◽

Static Stiffness ◽

Stiffness Analysis ◽

Stiffness Model ◽

Parallel Machine Tool ◽

Stiffness Distribution

The stiffness model of the parallel machine tool is established by static analysis, the static stiffness analysis is carried out through numerical Simulation and the stiffness distribution is given. On the basis of this, the optimal objective is given which is the average of 729 values of -axis stiffness and -axis stiffness corresponding to 729 positions in the workspace. With MATLAB software, the effects are simulated which the structural parameters of the parallel machine tool have on their stiffness, their change rules are gained, and this provides a basis for the structural design of this type of machine tools.

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Performance Robustness and Stiffness Analysis on a Machine Tool Servo

IFAC Proceedings Volumes ◽

10.1016/s1474-6670(17)34000-4 ◽

2002 ◽

Vol 35 (2) ◽

pp. 569-574

Author(s):

Jia-yush Yen ◽

Hui-Man Chang

Keyword(s):

Machine Tool ◽

Stiffness Analysis ◽

Performance Robustness

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Finite Element Static Stiffness Analysis of the A/C Axes Bi-Rotary Milling Head

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.655-657.1195 ◽

2013 ◽

Vol 655-657 ◽

pp. 1195-1199 ◽

Cited By ~ 3

Author(s):

Bo Shi ◽

Mei Fa Huang ◽

Yong Chen ◽

Ru Kai Hu ◽

Wu Jun Yang ◽

...

Keyword(s):

Finite Element ◽

Machine Tool ◽

Working Conditions ◽

Structure Design ◽

Machining Accuracy ◽

Cnc Machine Tool ◽

Static Stiffness ◽

Cnc Machine ◽

Stiffness Analysis ◽

Five Axis

A/C axes bi-rotary milling head is an important functional component in gantry type five-axis CNC machine tool. The static characteristics affect directly the machining accuracy of machine tool. The paper investigates the static stiffness of A/C axes bi-rotary milling head in gantry type five-axis CNC machine tool XK2320-5X developed by a domestic company. Because this product developed depend on the experience of designers, the machining accuracy of A/C axes bi-rotary milling head of primitive XK2320-5X type cannot meet the accuracy requirement under actual working conditions. On the basis of structure design, the static stiffness analysis of the milling head under two working conditions is carried out using finite element method. The deformations of the main mechanical parts in the milling head are obtained. The analysis results indicate that the static stiffness in direction X is the weakest of the milling head and the milling head shell is the most important factor of deformation. The work done provides foundation for further structure design and machining accuracy improvement of A/C axes bi-rotary milling head.

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