Adjusting Thread Tensions - Baby Lock Vibrant BL460B Instruction Et Guide De Référence

ENGLISH

ADJUSTING THREAD TENSIONS

Test thread tensions on a scrap you plan to use.
FOUR-THREAD USE
Both looper threads hanged
Just right.
Under side
Left
needle
thread
Lower
Upper
looper
looper
thread
thread
Right
Left
needle needle
thread thread
Fig. 1
Top side
A: Wider
B: Longer
C: Tighter
A. Overedge cutting width dial
narrower
wider
Turning to the higher number gives
wider width. The lower the number,
the narrower the width.
Upper looper thread pulled
to under side.
Under side
Right
needle
Lower
thread
looper
thread
Upper
looper
thread
Upper
looper
Lower
thread
looper
thread
Fig. 2
Top side
C : U p p e r l o o p e r t i g h t e r
Lower looper looser
B. Stitch length dial
longer
shorter
Turning to the higher number gives
longer stitch length. The lower the
number, the shorter the stitch length.
Lower looper thread pulled Left needle thread loose
to top side. and visible on under side of
fabric.
Under side Under side
Left
needle
thread
Lower
looper
thread
Upper
looper
thread
Fig. 3
Top side Top side
C : U p p e r l o o p e r l o o s e r C: Left needle thread tighter
Lower looper tighter Both looper looser
32
C. Tension control
Increase tension
Decrease tension
Turning to the higher number gives a
tighter thread tension. The lower the
number, the looser the tension.
Right needle thread loose
and visible on under side of
fabric.
Under side
Right
needle
thread
Fig. 4 Fig. 5
Top side
C : R i g h t n e e d l e t h r e a d
tighter