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

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

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

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

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

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

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

)