Table 2.

Displacement errors of C2C, C2M, and M3C2 in SMW.

Displacement (mm)	Errors of C2C (mm)
	20%	40%	60%	80%	100%
0	21.05	15.45	13.07	11.72	10.86
2.5	18.72	13.13	10.75	9.42	8.52
5	16.66	11.18	8.84	7.51	6.64
7.5	14.96	9.50	7.28	5.99	5.18
10	13.38	8.15	5.99	4.77	3.98
Displacement (mm)	Errors of C2M (mm)
	20%	40%	60%	80%	100%
0	−0.33	−0.19	−0.14	−0.12	−0.11
2.5	−0.74	−0.63	−0.62	−0.61	−0.64
5	−1.30	−1.23	−1.25	−1.29	−1.32
7.5	−1.98	−2.01	−2.09	−2.18	−2.25
10	−2.83	−3.07	−3.16	−3.32	−3.44
Displacement (mm)	Errors of M3C2 (mm)
	20%	40%	60%	80%	100%
0	−0.06	0.01	0.00	−0.01	−0.01
2.5	−0.15	−0.12	−0.12	−0.15	−0.14
5	−0.23	−0.24	−0.26	−0.27	−0.33
7.5	−0.20	−0.33	−0.42	−0.40	−0.46
10	−0.34	−0.42	−0.46	−0.56	−0.58