– 12 –
21.ADJUSTING THE THREAD TRIMMING CAM
22.ADJUSTING THE CAM ROLLER ARM AND THE CAM ROLLER ARM PRESSER (DSC-245-4,-7, DSC-245V-4,-7)
23.ADJUSTING MAX MOVING STROKE OF THE ROTARY KNIFE (DSC-245-4,-7, DSC-245V-4,-7)
1
.
Turning the handwheel, align red marker dot
❶
in the machine arm with white marker dot
❷
in the hand wheel.
2
.
Turn the thread trimming cam until rst screw
❸
in the thread trimming cam aligns with cam roller shaft
❹
in
the cam roller arm,and tighten the screw at the aligned position.
1. Adjust clearance so as to be 0.3 to 0.5 mm between
cam roller arm
❶
and cam roller arm presser
❷
in
case of no thread trimming by loosening setscrew
❸
in the cam roller arm presser.
2. After adjustment,tighten the setscrew
❸
.
1
.
Turn the handwheel by hand and insert the trimmer. (When the needle comes down to its lower end, turn the
handwheel to actuate the thread trimmer while pushing the picker driving plate backwards.)
2
.
Loosen setscrew
❹
in the driving plate and adjust the length of driving plate
❺
so that the edge of the rotary
knife moves to marker line
❸
in the throat plate frame
❷
when the moving stroke of rotary knife
❶
is max.
○
Increasing the driving plate length will decrease the travel distance of the moving knife. Decreasing the driving
plate length will increase it.
Aligned
position
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
– 1 –
SPECIFICATIONS
Model DSC-245 DSC-245-4,-7 DSC-245V DSC-245V-4,-7
Type of sewing
machine head
Cylinder-bed,
1-needle,unison-feed
lockstitch machine
Cylinder-bed,
1-needle,unison-feed
lockstitch machine with
an automatic thread
trimmer
Cylinder-bed,
1-needle,unison-feed
lockstitch machine
(horizontal drop feed)
Cylinder-bed,
1-needle,unison-feed
lockstitch machine with
an automatic thread
trimmer (horizontal drop
feed)
Usage Suited for sewing medium weight materials
Sewing speed Max.2,200 sti/min
Stitch length 0 to 6 mm
Lift of presser
foot
Hand lifter 9 mm
Knee lifter 15 mm
Hand lifter 8 mm
Knee lifter 13 mm
Hand lifter 9 mm
Knee lifter 15 mm
Hand lifter 8 mm
Knee lifter 13 mm
Thread take-
up lever
Slide type thread take-up
Needle bar
stroke
36 mm
Needle to be
used
GROZ-BECKERT 135×17 Nm90 to Nm130 (Standard Nm110)
Needle system #50 to #20
Stitch adjusting
method
Dial
Lubrication
method
By an oiler. Only the hook is automatically lubricated by a plunger pump .
Motor to be
used
400W Electro-stop
motor (4P)
AC servo motor
400W Electro-stop
motor (4P)
AC servo motor
Oil to be used New Defrix Oil No.1
Noise - Equivalent
continuous emission
sound pressure
level (L
pA
) at the
workstation :
A-weighted value of
83.0 dB; (Includes
K
pA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
11204 GR2 at 2,200
sti/min.
- Sound power level
(L
WA
) ;
A-weighted value of
89.5 dB; (Includes
K
WA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
3744 GR2 at 2,200
sti/min.
- Equivalent
continuous emission
sound pressure
level (L
pA
) at the
workstation :
A-weighted value of
78.0 dB; (Includes
K
pA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
11204 GR2 at 2,200
sti/min.
- Equivalent
continuous emission
sound pressure
level (L
pA
) at the
workstation :
A-weighted value of
83.0 dB; (Includes
K
pA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
11204 GR2 at 2,200
sti/min.
- Sound power level
(L
WA
) ;
A-weighted value of
89.5 dB; (Includes
K
WA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
3744 GR2 at 2,200
sti/min.
- Equivalent
continuous emission
sound pressure
level (L
pA
) at the
workstation :
A-weighted value of
78.0 dB; (Includes
K
pA
= 2.5 dB);
according to ISO
10821- C.6.2 -ISO
11204 GR2 at 2,200
sti/min.
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