Grating Scale Thermal Expansion Error Compensation for Large Machine Tools Based on Multiple Temperature Detection
To decrease the grating scale thermal expansion error,
a novel method which based on multiple temperature detection is
proposed. Several temperature sensors are installed on the grating
scale and the temperatures of these sensors are recorded. The
temperatures of every point on the grating scale are calculated by
interpolating between adjacent sensors. According to the thermal
expansion principle, the grating scale thermal expansion error model
can be established by doing the integral for the variations of position
and temperature. A novel compensation method is proposed in this
paper. By applying the established error model, the grating scale
thermal expansion error is decreased by 90% compared with no
compensation. The residual positioning error of the grating scale is
less than 15μm/10m and the accuracy of the machine tool is
significant improved.
[1] R. Ramesh, M.A. Mannan, A.N. Poo. Error compensation in machine
tools – a review Part II: thermal errors, Int J Mach Tool Manu, 40 (2000)
1257-1284.
[2] R. Ramesh, M.A. Mannan, A.N. Poo, Error compensation in machine
tools - a review Part I: geometric, cutting-force induced and
fixture-dependent errors, Int J Mach Tool Manu, 40 (2000) 1235-1256.
[3] Z.Z. Xu, X.J. Liu, H.K. Kim, J.H. Shin, S.K. Lyu, Thermal error forecast
and performance evaluation for an air-cooling ball screw system,
International Journal of Machine Tools and Manufacture, 51 (2011)
605-611.
[4] J. Ni, CNC machine accuracy enhancement through real-time error
compensation, J Manuf Sci E-T Asme, 119 (1997) 717-725.
[5] W.L. Feng, X.D. Yao, A. Azamat, J.G. Yang, Straightness error
compensation for large CNC gantry type milling centers based on
B-spline curves modeling, Int J Mach Tool Manu, 88 (2015) 165-174.
[6] W. Feng, Z. Li, Q. Gu, J. Yang, Thermally induced positioning error
modelling and compensation based on thermal characteristic analysis,
International Journal of Machine Tools and Manufacture, 93 (2015)
26-36.
[7] Z.Y. Han, H.Y. Jin, Y.L. Liu, H.Y. Fu, A Review of Geometric Error
Modeling and Error Detection for CNC Machine Tool, Applied
Mechanics and Materials, 303-306 (2013) 627-631.
[8] K. Fan, J. Yang, L. Yang, Orthogonal polynomials-based thermally
induced spindle and geometric error modeling and compensation, Int J
Adv Manuf Tech, 65 (2013) 1791-1800.
[9] W. Wang, Y. Zhang, J.G. Yang, Y.S. Zhang, F. Yuan, Geometric and
thermal error compensation for CNC milling machines based on Newton
interpolation method, P I Mech Eng C-J Mec, 227 (2013) 771-778.
[1] R. Ramesh, M.A. Mannan, A.N. Poo. Error compensation in machine
tools – a review Part II: thermal errors, Int J Mach Tool Manu, 40 (2000)
1257-1284.
[2] R. Ramesh, M.A. Mannan, A.N. Poo, Error compensation in machine
tools - a review Part I: geometric, cutting-force induced and
fixture-dependent errors, Int J Mach Tool Manu, 40 (2000) 1235-1256.
[3] Z.Z. Xu, X.J. Liu, H.K. Kim, J.H. Shin, S.K. Lyu, Thermal error forecast
and performance evaluation for an air-cooling ball screw system,
International Journal of Machine Tools and Manufacture, 51 (2011)
605-611.
[4] J. Ni, CNC machine accuracy enhancement through real-time error
compensation, J Manuf Sci E-T Asme, 119 (1997) 717-725.
[5] W.L. Feng, X.D. Yao, A. Azamat, J.G. Yang, Straightness error
compensation for large CNC gantry type milling centers based on
B-spline curves modeling, Int J Mach Tool Manu, 88 (2015) 165-174.
[6] W. Feng, Z. Li, Q. Gu, J. Yang, Thermally induced positioning error
modelling and compensation based on thermal characteristic analysis,
International Journal of Machine Tools and Manufacture, 93 (2015)
26-36.
[7] Z.Y. Han, H.Y. Jin, Y.L. Liu, H.Y. Fu, A Review of Geometric Error
Modeling and Error Detection for CNC Machine Tool, Applied
Mechanics and Materials, 303-306 (2013) 627-631.
[8] K. Fan, J. Yang, L. Yang, Orthogonal polynomials-based thermally
induced spindle and geometric error modeling and compensation, Int J
Adv Manuf Tech, 65 (2013) 1791-1800.
[9] W. Wang, Y. Zhang, J.G. Yang, Y.S. Zhang, F. Yuan, Geometric and
thermal error compensation for CNC milling machines based on Newton
interpolation method, P I Mech Eng C-J Mec, 227 (2013) 771-778.
@article{"International Journal of Mechanical, Industrial and Aerospace Sciences:70971", author = "Wenlong Feng and Zhenchun Du and Jianguo Yang", title = "Grating Scale Thermal Expansion Error Compensation for Large Machine Tools Based on Multiple Temperature Detection", abstract = "To decrease the grating scale thermal expansion error,
a novel method which based on multiple temperature detection is
proposed. Several temperature sensors are installed on the grating
scale and the temperatures of these sensors are recorded. The
temperatures of every point on the grating scale are calculated by
interpolating between adjacent sensors. According to the thermal
expansion principle, the grating scale thermal expansion error model
can be established by doing the integral for the variations of position
and temperature. A novel compensation method is proposed in this
paper. By applying the established error model, the grating scale
thermal expansion error is decreased by 90% compared with no
compensation. The residual positioning error of the grating scale is
less than 15μm/10m and the accuracy of the machine tool is
significant improved.", keywords = "Thermal expansion error of grating scale, error
compensation, machine tools, integral method.", volume = "9", number = "10", pages = "1733-4", }