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21 CHART FOR TENSION ADJUSTMENT
FABRIC
NEEDLE
SIZE
THREAD
STITCH
TYPE
STITCH
LENGTH
STITCH
WIDTH
ORANGE
L Needle
YELLOW
R Needle
GREEN
Upper looper
BLUE
Lower
looper
LIGHTWEIGHT /DELICATE
TENSIONS
Chiffon, Organdy, Silk voile,
Tricot, Jersey, Crepe, Taffeta,
Crepe de chine.
11
Long staple
polyester
Fine mercerized
cotton
Silk
4-thread seaming
or overcastting
3-thread seaming
or overcastting
2-thread flatlock
or overcastting
3-thread narrow
rolled edge
2-thread narrow
rolled edge
2 ~ 3
2 ~ 3
2 ~ 3
M (1.5)
M (1.5)
5.7 ~ 7.5
3.5 ~ 7.5
3.5 ~ 7.5
M
M
5 ~ 8
N/A
N/A
N/A
N/A
4 ~ 6
5 ~ 7
N/A
0.5 ~ 1.5
N/A
2 ~ 4
3 ~ 5
2 ~ 4
2 ~ 4
N/A
2 ~ 4
N/A
2 ~ 4
2 ~ 4
2 ~ 4
8 ~ 9
3 ~ 5
MEDIUM WEIGHT
Cotton broadcloth, Cotton –
polyester blends, Chintz,
Sheeting, Gingham, Linen,
Satin, Poplin Wool, Corduroy,
Suede, Cloth, Gabardine,
Double Knit, Velour, Fleece,
Spandex
11 ~ 14
Long staple
polyester
Size 50
mercerized
cotton
4-thread seaming
or overcastting
3-thread seaming
or overcastting
2-thread flatlock
or overcastting
3-thread narrow
rolled edge
2-thread narrow
rolled edge
3
3
3
M (1.5)
M (1.5)
5.7 ~ 7.5
3.5 ~ 7.5
3.5 ~ 7.5
M
M
5 ~ 7
N/A
5 ~ 7
N/A
0.5 ~ 2
N/A
N/A
4 ~ 6
5 ~ 7
N/A
0.5 ~ 2
N/A
3 ~ 5
4 ~ 6
2 ~ 4
2 ~ 4
2 ~ 4
2 ~ 5
N/A
2 ~ 4
2 ~ 4
2 ~ 4
8 ~ 9
3 ~ 5
HEAVY WEIGHT
Denim, Wool coating,
Canvas, Upholstery, Fake fur
14
Long staple
polyester
Size 40 ~ 50
mercerized
cotton
4-thread seaming
or overcastting
3-thread seaming
or overcastting
2-thread seaming
or overcastting
3-thread narrow
rolled edge
2-thread narrow
rolled edge
3 ~ 4
3 ~ 4
3 ~ 1
5.7 ~ 7.5
5.7 ~ 7.5
5.7 ~ 7.5
6 ~ 8
N/A
3 ~ 5
N/A
0.5 ~ 1.5
5 ~ 7
3 ~ 5
N/A
0.5 ~ 2
N/A
2 ~ 4
1 ~ 3
N/A
2 ~ 4
2 ~ 4
5 ~ 7
Chart indicates the suggested range of tension numbers for each stitch category.
NOT SUITABLE
NOT SUITABLE
As you determine the specific settings for your machine, note them on the chart.
35