37
Overlock sewing test and fine tuning
Fine tuning for 3/4 thread over-
lock and 3 thread narrow seam:
The loops are formed on
the underside:
Increase the upper looper
tension (blue).
Reduce the lower looper
tension (red).
The loops are formed on
the upper side:
Increase the lower looper
tension (red).
Reduce the upper looper
tension (blue).
Needle C thread forms
loops on the underside:
Increase the needle tension
(green).
Needle L thread forms
loops on the underside:
Increase the needle tension
(yellow).
Reduce the lower looper
tension (red).
Fine tuning for 3 thread super
stretch, 2 thread wrapped
overlock and 2 thread roll hem
The needle thread forms
loops on the underside.
Reduce the lower looper
tension (red).
Tip:
The elasticity of the 3
thread super stretch stitch
can be increased by redu-
cing the needle tensions
or shortening the stitch
length, depending on the
fabric and application.
Fine tuning for 3 thread
flatlock
The loops are formed on
the upperside:
Reduce the upper looper
tension (blue).
Increase the needle (yellow
or green) or
increase the lower looper
tension (red).
The loops are formed on
the underside.
Increase the lower looper
(red) or upper looper tension
(blue).
Reduce the needle tension
(yellow or green). The deco
guide could be used.
Fine tuning for 2 thread flatlock
The loops are formed on
the underside:
Increase the lower looper
tension (red).
Reduce the needle tension
(yellow or green). The deco
guide could be used.
The loops are formed on
the upperside:
Reduce the lower looper
tension (red).
Increase the needle tension
(yellow or green).
Fine tuning for 3 thread roll hem
The loops do not meet at
the line of the needle
thread on the underside:
Increase the lower looper
(red) or needle thread (green)
tension.
Reduce the upper looper
thread tension (blue).
Tip:
Use woolly nylon in the
upper looper only.
2500_DCE_1_englisch_neu 09.10.2007 14:35 Uhr Seite 37
