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SPECIFICATIONS
Model
MH-481
Sewing type
1-needle, double chainstitch machine
Sewing speed
Stitch length
Differential
feed raito
Lift of presser
foot
Stroke of
needle bar
Needle
Stitch length
adjustment
method
Safety stitch
Looper mech-
anism
Looper stroke
Lubrication
system
Oil
- Equivalent continuous
emission sound pres-
sure level (L
workstation:
A-weighted value of
88.5 dB; (Includes K
= 2.5 dB); according
to ISO 10821- C.6.2
-ISO 11204 GR2 at
Noise
5,500 sti/min.
- Sound power level
(L
);
WA
A-weighted value of
94.0 dB; (Includes
K
= 2.5 dB); ac-
WA
cording to ISO 10821-
C.6.2 -ISO 3744 GR2
at 5,500 sti/min.
MH-481-4/-5
1 to 4 mm
―
Hand lifter lever : 5mm, Knee lifter : 10 mm
TV × 7 #9 to #18 (Standard : #11)
Condensation stitch/reverse-feed stitch (by feed lever)
21.5 mm (2.1 to 3.3 mm)
Fully automatic lubrication
JUKI New Defrix Oil No.1
- Equivalent continuous
emission sound pres-
) at the
sure level (L
pA
workstation:
A-weighted value of
87.5 dB; (Includes K
pA
= 2.5 dB); according
to ISO 10821- C.6.2
-ISO 11204 GR2 at
5,500 sti/min.
- Sound power level
(L
);
WA
A-weighted value of
93.0 dB; (Includes
K
= 2.5 dB); ac-
WA
cording to ISO 10821-
C.6.2 -ISO 3744 GR2
at 5,500 sti/min.
MH-484
1-needle, double chainstitch,
differential-feed machine
Max. 5,500 sti/min
Main feed : 1 to 4 mm
Auxiliary feed : 1 to 5.6 mm
Stretching stitch max. 1 : 0.5
Gathering stitch max. 1 : 3.0
30 mm
Dial type
Inclined crank type
- Equivalent continuous
emission sound pres-
) at the
sure level (L
pA
pA
workstation:
A-weighted value of
88.5 dB; (Includes K
pA
= 2.5 dB); according
to ISO 10821- C.6.2
-ISO 11204 GR2 at
5,500 sti/min.
- Sound power level
(L
);
WA
A-weighted value of
94.0 dB; (Includes
K
= 2.5 dB); ac-
WA
cording to ISO 10821-
C.6.2 -ISO 3744 GR2
at 5,500 sti/min.
– 3 –
MH-484-4/-5
Standard 1 : 1.5
21.5 mm
- Equivalent continuous
emission sound pres-
) at the
sure level (L
) at the
pA
workstation:
A-weighted value of
89.0 dB; (Includes K
pA
= 2.5 dB); according
to ISO 10821- C.6.2
-ISO 11204 GR2 at
5,500 sti/min.
- Sound power level
(L
);
WA
A-weighted value of
94.0 dB; (Includes
K
= 2.5 dB); ac-
WA
cording to ISO 10821-
C.6.2 -ISO 3744 GR2
at 5,500 sti/min.
pA
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