Brother DB2-DD7100 User Manual
)
)
DB2-DD7100
Single needle direct drive straight lock stitcher with thread trimmer
,......_
____
'
PRODUCT
MANUAL
D Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
II
Specifications . . ... . . . . . ... . . . .. . . . .. .. .. .. 1
II
Sales points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
II
Optional parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
II
DIP
switch functions ...... ... . . ... . . . . . 9
II
Parameter setting flowchart . . . . . . . . .
II
Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .
II
Memory switch setting flowchart ..
II Memory switches . . . . . . . . . . . . . . . . . . . . . . .
1m
Connector configuration
...............
10
11
12
13
16
m Perspective view . . . . . . . . . . . . . . . . . . . . . .. .
17
D Outline
•
What
007100
motor which
further improvements to
performance by parts sharing and thorough review
• The motor, which used to
• A dry-head tank lubrication method is adopted.
• Measures
• Specification
is
the
DD71 00?
is
the newest
is
integrated into the machine head. With the adoption
directly coupled to the upper shaft.
to
reduce machine operating noise and increase safety have been taken to produce a
comfortable working environment.
more
-1
general thin materials.
tion to
and
most up-to-date single needle straight lock stitcher
conventional functions, this machine
be
equipped under the table, is built into the machine head,
is
provided to flexibly cope with the sewing of difficult-to-sew materials
of
the design.
of a new
is
designed
in
our range, with a
lubrication system and
to
give better cost
and
is
in
addi-
1
..
fJ
Specifications
•
Machine
082-007100-
head specifications
I
Device
Thread
wiper
3 -
4
9
0
0 0
Automatic
presser
-
-
9
99-l
Lower thread detector
lifter
o I
. 1 I
1
I
None
Installed
..
I
1
3
5
)
I
Application
*Difficult-to-sew
and
thin materials
Medium heavy
materials
Heavy materials
I
Operation panel
B-20
8-40
B-100
..
Single needle direct drive straight lock stitcher
with thread trimmer
• Difficult-to-sew material specifications refers to the ability to
of
materials from general thin materials to materials made from new
synthetic fibers, without puckering or unevenness
in
the seam occurring.
()
sew
007100
a range
)
)
Specification DD7100-001
For
thin
Application
Max. sewing speed
Max. stitch length
Needle bar stroke
Thread take-up stroke
Type
of
feed dog
Feed dog height
Presser lifter
Presser
foot
height
Presser foot pressure
Arm pocket size
Rotary hook
Sewing speed depends on the machine specifications.
•
Motor
High sewing speed
Low sewing speed
Front/continuous backtacking speed
End
backtacking speed
Motor
Control circuit
Control box MD721 (Single-phase)
lever
Knee
Automatic
presser
Bed
size 476 x 178
Needle
Mass
specifications
MD731 (3-phase)
difficult-to-sew
lifter
lifter
9.8-
DB
DP
and
materials
4,000 spm
29
mm
39.2N
(1
- 4 kgf)
X 1 NS#9
X 5 NS#9
4.2
mm
57.4
4 rows 4 rows (rough)
0.8
mm
220 spm
(Changeable)
220 spm
220 spm
(Changeable)
1,800 spm
AC
servomotor
(3-phase/single-phase 4 pole 400W, 1 00 - 240V)
Microcomputer
DD7100-003
For medium heavy
materials
5,000 spm 3,500 spm
31
mm
mm
6
mm
13
mm
mm
10
39.2-
78.4N
(4
- 8 kgf)
mm
x 134.5
266.5
DB
DP
For thread trimming
41
to
the maximum
to
1 ,800 spm
mm
X 1 #11
X 5 #11
kg
For heavy materials
DD7100-005
5 mm
35
mm
61
mm
1.2
mm
58.8-
98N
(6
- 10 kgf)
DB
X 1
X 5
#22
#22
DP
• Operation panel
8·20
a-eo
e
e-a
Ill-<~
--...9
A B
OJJ
11 11
v v
•
••
••
••
B-40
B-40
e
B 100
-
A B C D FIGTEIIN
B-100
ea
DODD•
jll-cl
_....9
11111111.
vvvv.
e
• Quick reference
the
on
Normal lock stitch
!
.j.!.!.
Half stitch
A~B1
,a1
Start backtack (0-9)
~c1o,~a'
End
~,q,&
Continuous backtack (0-9)
Fixed
IE
Name label stitch (1-99)
CJ
Pleats presser stitch (1-99) -
!.e1
PlA1TERH
Pattern stitch -
BACK
Back
coma
Continuous stitch
Automatic presser foot lifting -
-
..!....
A B C D •
ea
jll-cl
_....9
O,OOEO•
11111111
v v
v
••
vee•
,.
D
2
~&
,o
11
.!.-1
v
operation
backtack (0-9)
stitch (1-99)
stitch -
••
STEP
IIUIFIIlliDI
oo
11
11
v
vcee
for
indication
panel
B-20 B-40
0 0 0
0 0 0
0 0 0
0
0
0 0
-
0 0 0
0 0
-
0 0
-
-
- -
-
D.
..,
·;
••
-·
D.
•m
-~
••
-·
D.
••
••
••
o•m
·;
••
--
and meaning
8-100
Automatic thread trimming
~
AUTO
Automatic sewing
Temporarily cancel
FJIEE
0
0
0
0
0
programming sewing
DELETE
Step deletion
II&Rf
Step insertion
Sewing speed setting
e
Slow start sewing
.r
Correction sewing
i
Needle up stop/
J.A.
Needle down stop
Lower thread detector
lill=t
lQ.
(optional)
B-20 B-40
0 0
0 0
- -
-
-
- -
0 0 0
0 0 0
0 0
0
0 0 0
0 0
0
B-100
0
0
0
0
0
2
II
Sales points
3
Machine head
• The servomotor
eliminates the
without any losses.
minimum
(approximately
Pedal
---~
• Elimination of the V-belt also means that flakes from the belt
will
no
longer make the material dirty.
• Because the motor
on
the work table. Jobs such
winder have
much easier.
is
directly coupled to the upper shaft,
need
for a V-belt, motor power
In
so
that extensive energy savings
25%
compared to previous Brother models).
Warm-up time
is
built-in, it
also been eliminated,
with
addition, power consumption
4,000
5,000
is
no
as
installation
built-in
is
can
007100
spm
spm
longer necessary to mount a motor
so
that overall setting
96
ms
103 ms
of
belt covers
motor
and
transmitted directly
is
also kept to a
also be achieved
8737 Markll
and
up
because this
155
ms
189
ms
as
it
wears
a bobbin
has
become
•
The
motor
can
be
exchanged easily.
<Upper
• Rotation
<Lower
• Timing pulley
shaft mechanism>
of
the motor 0
shaft mechanism>
(D)
assembly 8
(U) 8 in
the joint set transmits the rotation
and
the lower shaft 0
is
transmitted directly to the upper shaft
of
via
the timing belt
8.
I,)
8.
the motor 0 to the timing pulley
)
)
Adoption of
• A dry-head tank lubrication method has been adopted. (Upper and lower
shafts have bearings
tion
to
the needle bar mechanism.
• For easy maintenance, the number
(compared with previous Brother models).
•
An
oil
pan
is no longer used, and there is no longer any need to worry
about oil staining the material.
• The oil level
There is
can
be checked easily through a sight glass.
no
longer any need to tilt or rotate the machine.
the
on
both ends.) This enables minimization
dry-head lubrication
of
times
of
lubrication is reduced
of
lubrica-
method
Upper shaft, thread take-up, and needle bar
--~-
-·-1fi··-
. .
L J
\ \
Decrease § Increase
(1)
The oil poured
(2)
The oil
(3)
The oil is fed from the plunger pump 0 to the thread take-up and the needle bar via the vinyl
tube and the wick.
(4)
Lubrication
in
in
through the oil port is stored
the oil tank 0 is drawn by the plunger pump 0 attached
of
the rotary hook
can
be adjusted using the adjusting screw
Plunger pump
in
the oil tank
0.
to
the rotary hook shaft
0.
t
8.
4
5
Comfortable
• Reduction of the noise from the solenoids used for thread trimming
rotation
a much quieter working environment (approx. 5 dB
is
reversed
and
vvorking
environment
and
so
on,
plus reduced machine operating noise combine to produce
less compared to Brother previous
when motor
models).
• The elimination of the V-belt means that there
caught
back for maintenance,
• A motor
in
the belt. Furthermore, a safety switch operates when the machine head is tilted
so
that the motor will not operate even if the pedal
is
built into the machine
head,
giving the machine a more streamlined shape
is
no
longer a problem
of
anything getting
is
pressed.
the operator more space below the work table. That promotes the adoption of further
amenities
in
sewing factories without leading to there being less space.
and
• Major difference between
Markll
DD7100
Motor
installation
Motor
type
V-belt
Bobbin winder
installation
Synchronizer
Mass
Lubrication method
Specification -1
Lower thread
detector
Sewing and
backtacking
speed settings
Built-into the machine
AC
servomotor
(Possible to
reverse rotation) reverse rotation)
None
Built-into the top
of
the machine head
Built into the motor Built into the machine
kg
76
Dry-head
For
thin
and
difficult-to-sew
materials
Attachable
an
optional part
On
the operation panel
head
400W
as
DD71
00 and 8737
B737 Mark
Mounted under the table
DC
servomotor 400W
(Impossible
Installed
Attached to the
85
kg
Automatic
For
lubrication
(oil
pan)
thin materials
-
Using the knob
the control box
II
to
table
head
in
)
)
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