Operation Breakdown and Machine Layout for Bra Manufacturing

 

Operation Breakdown and Machine Layout for Bra Manufacturing

The following operation breakdown of a bra refers to a specific style. Note that SAM values ​​of operation may vary by style, seam length, attachment and work materials used and machine type.

Before using the SAMs and operation sequence mentioned below, discuss it with your engineers. I have attached the layout of a bra making machine on an assembly line. Several operations are combined to improve machine utilization.

 

OP	SEWING PROCESS	SAM	MACHINE
1	Join Cups	0.57	SNLS
2	Attach Tape to Cups	0.73	DNLS
3	attach Elastic to side cups	0.44	3SZZ
4	Set support Panels	0.39	SNLS
5	Serge support panels	0.62	3TOL
6	Join support panels, cup and front	1.52	SNLS
7	Attach coverstitch tape to front	0.61	DNLS
8	Join backs to cups	0.55	SNLS
9	Attach coverstitch tape to sides	0.47	DNLS
10	Attach lace and tape to cups	0.76	DNLS
11	Attach elastic to band	0.90	ZZ
12	Attach upper elastic & straps	0.91	3SZZ
13	Cover support panels edges	0.54	3TOL
14	Attach hooks and eyes to straps	1.39	SNLS
15	Set eye to back	0.36	ZZ
16	Set hook to back	0.50	SNLS
17	Attach trimming to front	0.25	SNLS
18	Trim thread and inspect	1.00	MAN
	Total SAM	12.51

 

Full name of the sewing machine

 

SNLS: Single Needle Lock Stitch machine

DNLS: Double Needle Lock stitch machine

3TOL: 3 thread overlock / overedge sewing machine

ZZ: Zig-zag sewing machine (3S for 3 stitches)

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