Operation Breakdown and SMVs of a Basic Jeans

An operation breakdown of a 5 Pocket Basic Jeans is shown in this article. SVM mentioned here against each operation are just for your reference. SMV may vary according to machine types, workstation layout and equipment used.

Some of the operations are done by automatic machines, like auto pocket hemming (APH), auto pocket attaching (APS) etc. Machines that are used for the operations have been mentioned in the third column (M/c type) of the following table.

This Operation Breakdown has been taken from a Jeans manufacturing company in Vietnam.
5-Pocket Basic Jeans


Table 1: Operation Breakdown Chart

Sl. no.
Operations
M/C Type
SMV
Back
1
pocket hemming
APH
0.07
2
pocket o/l
3T O/L
0.3
3
pocket creasing
ADPC
0.4
4
pocket attaching
APS
0.74
5
second stitch @ back pocket
SNLS
0.65
6
back yoke attach
FOA
0.41
7
back rise join
FOA
0.24
8
size label attach
SNLS
0.2
Front Section
9
coin pocket hemming
APH
0.015
10
coin pocket attach @ jet piece (right)
SNLS
0.2
11
pocket bag attach with jet piece
5T F/L
0.42
12
o/l @ pocket bag
3T O/L
0.68
13
top stitch @ pocket bag
SNLS
0.4
14
o/l @ zipper fly
4T O/L
0.3
15
o/l front panels @ crotch
3T O/L
0.26
16
zipper attach @ left fly
DNLS
0.32
17
left fly attach @ front panel (inseam & top stitch)
SNLS
0.34
18
J-stitch @ left fly
APJ
0.58
19
front pocket mouth hemming
DNFPH
0.3
20
pocket bag stitch to front panel @side & top (wt w/c label@lt.)
SNLS
0.46
21
right fly attach with zipper & crotch join
SNLS
0.25
Assembly 
22
loop preparation
3T F/L
0.15
23
main label attach @ waist band, & w/b joining in chain
SNLS
0.3
24
top stitch @ inseam
FOA
0.55
25
side seam join (attach front & back panels)
5T O/L
0.65
26
top stitch @ side seam
SNLS
0.38
27
waist band stitch
WBAM
0.38
28
waist band corners finish
SNLS
0.72
29
loop attach
ABLA
0.65
30
bottom hemming
BHM
0.33





Total

                  11.65

Full form of sewing machine name


APH - Automatic pocket hemming machine
ADPc - Automatic pockect creasin gmachine
APc - Auto pocket stitching machine
SNLS - Single needle lock stitch
FOA - Feed of the arm
3TO/L - 3 thread overlock (overedge)
5TF/L - 5 thread flat lock (cover stitch)
4TO/L - 4 thread over lock
5TO/L - 5 thread over lock
DNLS - Double neeedle lock stitch
3TF/L - 3 thread flat lock (cover stitch)
APJ - Auto J-stitch making
DNFPH - Double needle front pocket hemming
WBAM - Waistband attach machine
ABLA - Auto loop attach
BHM - Bottom hemming machine

(Note: Some of the machine names are a short form of machine used for the specific operation used by a company. Other companies may name it a different way)

Also See: Machines used for denim (jeans) manufacturing

Related Articles:

Operation Breakdown and SAM of a Full Sleeve Formal Men’s Shirt
Operation Breakdown and SAM of a Trouser
How to calculate SAM of a garment?

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