Standard Thread Tension - Brother KE-430B Service Manual

1. SPECIFICATIONS
１-２. Standard thread tension
[KE-430B, 430C, 431B, 431C, 432B, 432C, 433B, 434B, 434C, 435B, 435C, 436B, 436C]
Use
Standard hook
Upper thread
Lower thread
Upper thread tension
(N)
Lower thread tension
(N)
T hread take-up
spring height
(mm)
Thread take-up
s pring tension
(N)
Pre-t ension (N)
Needle
[BE-438B, 438C, KE-484C]
Model
Needle
Upper thread
Lower thread
Upper thread tension
(N)
Lo wer thread tensio n
(N)
T hread take-up
spring height
(mm)
T hread take-up
spring tension
(N)
Pre-tension (N)
5
Medium materials
(Ordinary materials)
Large hook
#50 or
←
equivalent
#60 or
←
equivalent
0.8 - 1.2 1.0 - 1.3
←
0.2 - 0.3
←
6 - 8
←
0.3 - 0.4
←
0.5 - 0.8
←
DP×5＃14
BE-438B
TQ×1＃12
#60 or equivalent
#60 or equivalent
0.7 - 1.3
0 .3 - 0.4
6 - 8
0.4 - 0.6
0.1 - 0.3
KE-430B, 430C series
Heavy materials (Denim)
Standard hook Large hook
#30 or
equivalent
#50 or
equivalent
1.2 - 1.6 1.4 - 1.8
0.2 - 0.3
6 - 8
0.5 - 0.6
0.3 - 0.5
DP×17NY＃19
BE-438C
TQ×1＃ 12 DP×17
#60 or equivalent
#60 or equivale nt
0.7 - 1.3 0.7 - 1.5
0 .3 - 0.4
6 - 8
0.4 - 0.6
0.1 - 0.3 0.05 - 0.3
Knitted materials
Standard hook
←
#60 or equivalent
←
#80 or equivalent
0.8 - 1.2
←
0.25 - 0.3
←
6 - 8
←
0.3 - 0.4
←
0.5 - 0.8
←
DP×5＃9
KE-484C
NY＃12 DP×17＃25
#4 or equivalent
#4 or equivalent
4.5 - 5.0
1 .0 - 1.2
0 - 5
2.0 - 2.5
0.3 - 0.5