FDM Rapid Prototyping Technology of Complex-Shaped Mould Based on Big Data Management of Cloud Manufacturing

Table 7

The final postprocessing results of the spur face gear master mould.

Measurement object (critical surface)		Theoretical value	Actual measurement value	Error	Roughness
4	Diameter of the cylindrical die cavity	137.700 mm	137.610 mm	0.090 mm
	Height of the cylindrical die cavity	30.000 mm	30.111 mm	0.111 mm
6	Surface of the reflexive mould of the spur face gear	—	—	0.083 mm
	Inner diameter of the reflexive mould of the spur face gear	117.402 mm	117.460 mm	0.058 mm
	External diameter of the reflexive mould of the spur face gear	137.40 mm	137.482 mm	0.082 mm
	Height of the reflexive mould of the spur face gear	8.886 mm	8.956 mm	0.070 mm
8 cores	Inner diameter of the keyway pouring cavity	65.888 mm	65.852 mm	0.036 mm
	Outer diameter of the keyway pouring cavity	81.600 mm	81.526 mm	0.074 mm
	Height of the keyway pouring cavity	3.061 mm	3.152 mm	0.091 mm
8 top dies	Inner diameter of the keyway pouring cavity	65.988 mm	65.900 mm	0.088 mm
	External diameter of the keyway pouring cavity	81.600 mm	81.520 mm	0.080 mm
	Height of the keyway pouring cavity	3.061 mm	3.138 mm	0.077 mm
10	External diameter of the centre-locating shaft	65.688 mm	65.750 mm	0.062 mm
17	Diameter of the cylindrical groove	158.000 mm	158.181 mm	0.181 mm
	Height of the cylindrical groove	2.000 mm	2.069 mm	0.069 mm
1	Length of the square base	197.700 mm	198.022 mm	0.322 mm
	Height of the square base	28.000 mm	28.245 mm	0.245 mm
5	Outer diameter of the cylindrical boss	157.700 mm	158.067 mm	0.121 mm
	Height of the cylindrical boss	30.000 mm	30.192 mm	0.192 mm
7	Diameter of the cylindrical base	169.700 mm	170.043 mm	0.343 mm
	Height of the cylindrical base	14.000 mm	14.247 mm	0.247 mm
9	Diameter of the centre-locating hole	65.888 mm	65. 781 mm	0.107 mm
	Height of the centre-locating hole	36.860 mm	36.973 mm	0.113 mm
11	Length of the square base	197.700 mm	197.950 mm	0.250 mm
	Height of the square base	35.060 mm	35.233 mm	0.173 mm
13	Height of the centre-locating hole	30.000 mm	30.312 mm	0.312 mm