JUKI DDL-8700-7 Engineer's Manual

(5) Thread trimming sequence
Standard adjustment
The front part
of the pedal
is trodden.
(Caution) The above chart assumes that the switches for automatic reverse feed stitching
at the start and end have been set to “ON”.
Low to high speed
Detection
The knife hooks
the threads.
The knife spreads
the threads.
The back part
of the pedal
is trodden.
The thread
trimming solenoid
is activated.
The cam
disengages
from the roller.
Tension release
is terminated.
The machine stops.
Threads are
trimmed.
A needle-up
stop signal
ts given.
The thread trimming
solenoid is turned OFF.
Reverse feed
stitching at
the end.
The cam engages
with the roller.
The thread tension
is released.
The machine rotates
to cause the needle
to go up.
The machine
stops with its
needle down.
The pedal is
set to the
neutral position.
Reverse feed
stitching at
the start.
The needle
goes up.
Power switch
“ON”
− 13 −

JUKI DDL-8700-7 Specifications

General

Max Stitch Length	5 mm
Needle Bar Stroke	30.7 mm
Lift of the Presser Foot	By hand: 5.5 mm, By knee: 13 mm
Lubrication	Automatic
Needle	DB×1
Hook	Full rotary hook
Power Requirement	Single-phase 100~120V, 200~240V
Motor	Direct-drive servo motor
Weight	45 kg