4-Thread Overlock - Baby Lock BLE1EX Instruction And Reference Manual

4

4-Thread Overlock

T
Your baby lock enspire comes to you set for 4-thread serging, which provides a very durable, yet
fully stretchable, seam or edge finish on all kinds of fabrics. With tensions properly set, the upper
H
and lower looper threads lock together evenly over the cut fabric edge(s) to form a flat, non-rolling
R
pattern of overlocking stitches on both sides of the fabric.
UL
E
The left needle thread interlocks with both looper threads at the stitching line to create the seam.
The right needle thread, visible on tbe top side of the stitch, interlocks with both loopers to add
A
durability. The upper looper thread, that resembles a zig zag, on the upper side of the fabric, is
D
from the upper looper that moves up above the throat plate and down. The lower looper thread,
that resembles a zig zag on the lower side of the fabric, is from the lower looper that only moves LL
lower than the throat plate.
O
The tension on each thread is controlled by its own tension dial. Turn the dial to a higher number
V
to tighten or increase the tension; turn it to a lower number to loosen or decrease tension. The
chart on the inside back cover indicates the suggested number ranges for 4-thread stitching. On
E
this chart, record specific settings for your own machine.
R
Various threads and individual preferences may require shight adjustment to the needle thread
L
tension as well. Always sew a test sample to determine if the desired result is achieved. Refer to
the diagrams for tension guidlines.
O
UL UL
C
K
UL
LL LL
LN RN
LL
LL
Wrong side
Right Needle Thread
LN LN RN RN
Tighten
22
LN
LN
LN
RN
LN RN
UL
LL
LN LN
RN RN
LN RN LN RN
Perfect seam
UL LN
UL UL
LL
UL LN
Left Needle Thread
RN
LN RN
LL LL
RN
Right Needle Thread
LN RN
UL
UL
Upper Looper Thread
LL
LL
Lower Looper Thread
LL LL
UL UL
RN UL LL
LL
RN UL
Upper and Lower Looper
Thread
LN UL
RN
Tighten Loosen
LN RN UL
Left Needle Thread
LN RN
LN LN RN RN UL UL
LN RN UL
Tighten
LN
RN
Upper and Lower Looper
Thread
LN LN RN RN
LL
Loosen
LN RN
LN
LL
UL LL
LL LL
LL
UL LL
UL UL LL LL
Tighten
LL
UL
UL LL
RN