Thermal Errors Classification Compensation without Sensor for CNC Machine Tools

Table 3

Correction coefficient of the temperature field model.

Velocity (r/min)	Coefficient
	30	0.72	1.89	1.53	1.23	0.92	1.58	1.93	-2.1	1.34	1.15	1.26	1.14
60	0.96	2.03	1.32	-0.5	1.52	2.3	1.41	1.77	1.62	1.9	1.75	1.73
90	1.05	1.71	1.47	1.56	1.43	-0.9	1.27	1.43	1.36	1.46	1.04	1.38
120	1.16	1.83	0.97	-2.7	1.29	1.8	1.53	-1.8	1.56	-0.3	1.97	1.47
150	1.21	1.9	1.23	1.91	1.34	3.2	1.36	-0.9	1.8	-0.5	2.1	1.6
180	1.25	1.74	1.46	1.75	1.09	0.95	1.17	1.5	0.96	1.64	1.37	-2.3
210	1.34	-0.3	0.98	0.83	0.96	2.1	1.04	1.27	1.23	1.3	1.42	-1.1
240	1.38	0.64	1.12	0.97	0.78	1.55	0.95	-1.7	1.53	-1.5	1.54	2.41
270	1.43	0.79	1.08	-2.1	0.93	1.85	0.91	-1.1	1.79	1.33	1.69	-3.7
300	1.49	0.62	1.05	-1	1.93	1.42	1.12	2.7	1.02	1.39	1.72	-1.1