Computer Numerical Controlled Grinding and Physical Vapor Deposition for Fused Deposition Modelled Workpieces

Table 1

Theoretical, real, postfinishing, and postPVD treatment dimensions.

Test piece	Dimensional features	Theoretical dimensions (mm)	Raw part dimensions (mm)	Standard deviation raw part dimensions (mm)	Postfinishing dimensions (grinding A, sandblasting B) (mm)	Standard deviation postfinishing (mm)	Post-PVD dimensions (mm)	Standard deviation Post-PVD dimensions (mm)	Metal-coated dimensional differences to raw part (mm)	%	Metal-coated dimensional differences to CAD model (mm])	Metal-coated dimensional differences to CAD model (%)
A	Length	55.00	54.80	0.11	54.73	0.13	54.87	0.40	0.07	0.13	−0.13	−0.24
	Width	50.00	49.79	0.071	49.58	0.64	49.73	0.33	−0.06	−0.12	−0.27	−0.53
	Height	35.00	34.89	0.21	34.79	0.59	34.88	0.57	−0.01	−0.04	−0.12	−0.36
	Curve surface width	30.00	29.89	0.32	29.99	0.32	29.83	0.49	−0.06	−0.18	−0.17	−0.56
B	Length	55.00	54.72	0.24	x	x	55.29	0.17	0.57	1.04	0.29	0.52
	Width	50.00	49.86	0.24	x	x	50.40	0.21	0.54	1.08	0.40	0.79
	Height	35.00	35.08	0.35	x	x	35.74	0.22	0.66	1.88	0.74	2.08
	Curve surface width	30.00	29.99	0.43	x	x	29.28	0.67	−0.71	−2.35	−0.72	−2.45

x: the results of machinings performed by FORTEX.