Development of an Evaluating Method for Carbon Emissions of Manufacturing Process Plans

Table 2

Variables for the calculation of the energy-related carbon emissions.

Process	Rough turning	Fine turning	Grinding	Milling
Process label
Machine	CA6136	CA6136	MD1420	X5032
Process time; (min)	26	6.5	4	3.2
(kwh/part)	0.65	0.45	0.32	0.38
(kwh/part)	0.48	0.36	0.25	0.24
(kwh/part)	0.52	0.52	0.45	0.56
(kwh/part)	1.65	1.33	1.02	1.18
(kwh/part)	0.05	0.02	0.04	0.06
(kg CO2/kwh)	0.6747	0.6747	0.6747	0.6747
(kg CO2/part)	1.113	0.897	0.688	0.796
(kg CO2/part)	0.034	0.0135	0.027	0.041