Improving Quality, Productivity, and Cost Aspects of a Sewing Line of Apparel Industry Using TQM Approach

Table 8

OEE calculation.

Factor	Category	Before TQM	After TQM	Factor	Category	Before TQM	After TQM
Availability	Manpower	81	76	Efficiency	Manpower	81	76
	Working hour	10	10		Working hour	10	10
	Working minutes	600	600		Working minutes	600	600
	Machine quantity	68	65		Available minutes	48,600	45,600
	Loss time	680	600		Production quantity	2,111	2,117
	Operating time	40,170	38,370		SAM	12.53	12.33
	Available time	40,800	39,000		Earned minutes	26,450	26,102
	Availability %	98.46	98.38		Efficiency %	54.43	57.24
Performance	Production quantity	2,111	2,117	Quality	Total production	25,431	25,407
	SAM	12.53	12.33		Defect quantity	1,905	1,528
	Earned minutes	26,450	26,102		Good output	23,526	23,879
	Operating minutes	40,170	38,370		DHU %	7.49	6.01
	Performance %	65.85	68.03		Quality %	92.51	93.99
Quality	Total production	25,431	25,407	Cost	Manpower	81	76
	Defect quantity	1,905	1,528		Working hour	10	10
	Good output	23,526	23,879		Working minutes	48,600	45,600
	Quality %	92.51	93.99			x	y
Overall	OEE %	59.97	62.90		Production cost	48,600x	45,600y

CPM values depend on the total cost of the organization (x ≥ y).