JUKI DDL-5530N Handbook page 127

Single-thread, Chainstitch,
Button Sewing Machine with Knot-tying Mechanism
MB-377
The machine ties a secure knot to prevent the finished seam from
coming undone from the last stitch.
conventional ones, the hardly ever come undone.
stitch comes undone, the thread is not likely to come off, so the risk
of losing buttons is dramatically reduced.
Button-sewing specifications can be quickly swithced when changing
between 4-holed buttons and 2-holed buttons or when changing the
number of stitches (8 and 16 stitches ).
during the specification changes.
To sew buttons while setting the number of stitches to 32, the
following optional parts (separately available) will be required.
MB-377A/BR10
The three different operation modes are available: the automatic
button feeding mode in which the machine continuously feeds the
buttons in the feeder bowl, the non-feed mode in which the
operator manually places the buttons in the sewing position one by
one, and the small-lot sewing mode in whitch the operator sets the
buttons in place for one garment (five or six buttons) in advance,
upon which the buttons are automatically and continuously fed to
the sewing position.
As a result the machine can be used as a small-lot production system
by selecting the appropriate operation mode.
SPECIFICATIONS
Model name
Sewing speed
Amount of feed
Applicable button
Lift of the button clamp
Needle (at the time of delivery)
Lubrication
Lubricating oil
Discrimination of button to be fed
Button feed
Button feed modes
Stitches without cross-over
Weight
Power consumption
Since the knots are firmer than
Even if the last
This minimizes downtime
(with a button feeder)
MB-377
Max. 1,500rpm, Normal 1,300rpm
Crosswise feed 2.5 6.5mm
Lengthwise feed 0 6.5mm
Type: Round-shaped flat button (2-holed, 4-holed)
Size: 10 28mm
Thickness: 1.8 3.5mm
Weight of the machine head: 20kg
Rating 200W
Type: Round-shaped flat button (2-holed, 4-holed)
Size:
• A machine for button of which diameter is
smaller than
made to order.
For button of which diameter is
more, a button clamp jaw lever for large
buttons has to be used.
• A machine for such buttons that the distance
between holes in the button exceeds 3.8mm
will be made to order.
Thickness: 1.8 3.5mm
9mm
TQ 1 (#16) #14 #16
By an oiler
JUKI New Defrix Oil No.1 (equivalent to ISO VG7)
By the horizontal, forced feed mechanism
Automatic feed mode, non-feed mode,
MB-377A/BR10
MB-377A/BR10
Max. 1,500rpm, Normal 1,300rpm
Crosswise feed 2.2 3.8mm
Lengthwise feed 0 3.8mm
9 26mm
10 or 19mm or more will be
Vibration system
and small-lot sewing mode
Selected by means of a switch
Total weight: 80kg
Rating 270W
MB-377, 377A/BR10 (June, 2001) 1/2
MB-377
7
16mm or