Mitsubishi PLK-109 Instruction Manual

MITSUBISHI

Industrial

Sewing

INSTRUCTION

Single-Needle

Eiectronic

MANUAL

Model

•

Lockstitch

Bar

Machine

PLK-109

Tack

Machine

WT90020X01

MITSUBISHI

ELECTRIC

Contents

Construction

2. Specifications 2

3. Assembling

3.1 Assembling the machine

3.2

3.3 Lamp leads 7

3.4 Electrical power connection 7

3.5 Changing

4. Handling

and

Installation 4

head

Connectionoflead

Machine Head 8

wires 5

motor

running direction 7

4.1 Installation of needle g

4.2 Threadingofneedle thread 8

4.3 Threadingof bobbin thread 9

4.4

Removal

of inner hook 9

4.5 Adjustment of work holder pressure 10

4.6 Replacement of work clamp 10

4.7 Installation of presser-foot ' 11

4.8 Installation of pedal-presser-foot 11

4.9 Winding up of bobbin thread 12

4.10 Thread tension 12

4.11 Lubrication 14

5. Switch Panel 15

5.1 SCALE 15

5.2 SPEED 16

5.3 PATTERN 16

5.4

JOG

5.5 RESET/HOME 17

5.6 TEST/AUTO 17

5.7

5.8

WIND

ERROR

indication

6. Operation 19

6.1 Setting the PROM cassette 19

6.2 Setting the switches on switch panel 19

6.3 Checking 19

6.4

Sewing 19

6.5 Emergencystop 20

6.6 Operation procedure 21

7. Cautions on Operation 24

8. Maintenance

and

Checking 25

8.1 Ajustment of synchronizer 25

8.2 Replacementof

PROM

8.3 Cleaningoffan filter 27

2. Specifications

Head

Needle

bar

vertical

stroke

Needle applicable

Work

holder

Control system

Sewing range 50 X30mm, X-Y axes, drivenbystepping

Half-rotating hook, cylinder bed, single-needle lockstitch, electronic bartack sewing

machine

41.2

DPX 17 #16 (Standard)

Microcomputer incorporated full-electronic control

motor

Max. stitching speed 2000 spm Intermittent feed(with stitch length below1.5 mm)

Stitch length

Pattem

control

0.2~6.0

Programstored in memory (PROM)

Exchangeable PROM Memory size: Max. 10 patterns/chip, max. 1000 stitches

Sewing operation

One cycle of sewingstarts at home position, and ends at home position.ichine home

Home

Sewing

position

start

return

The function is used when the

X-Y

position deviates duringstitching. The work

holder returns to the home position after the needle stops at its UP position.

Thisfunction occurs once every time after turning on the power switch.

Sewing

starts at home positionwhen the pedal isdepressed.

(1) Pedal slightly depressed

down by toe (ON) - Workholder:

Pedal

release

(OFF) Workholder: UP

(2) Pedalfully depressed

Sewing

DOWN

starts.

After sewing,work holder automatically risesand stops.

-2-

Emergency stop

function

Needlemay be stopped at UPposition in the course of

sewing.

stop, the remainingstitches can be completed in inchingmode.

After the emergency

Stitching speed

setting

Check

function

Patter enlargement/

reduction

function

(SCALE)

Patern

selection

Error

indication

The speed best suited for

given

fabrics

and

sewing

pattern can be preset within a

range from 200 spm to 2000 spm with an incrementofabout 200 spm.

Test run or test sewing is possible at a low sewingspeed permitting visualchecking.

Pattern stored in memory (PROM)can be enlargedor reduced.

Enlargementor reduction can be specifiedindependently in X and Y axes.

100%

with1%increment

Any oneof10 patterns is selectable.

Lamps are provided to visualize errors.

-3-

3. Assembling

and

Installation

3.1 Assembling the machine head

3.1.1. Put the furnished head support in the hole of the tableto installit upright.(Referto Fig.1Construc

tion.)

3.1.2 Install the furnished rubber pads(4 pcs.) in each recessprovidedat the table top.

3.L3 Unpack the head and

table

that

each rubber pad enters the respectiverecessesprovided in the base.

place

it on the table as shownin Fig. 2. The head should be so placedon the

3.1.4 Secure the base to the table suing the furnished two woodscrews.

3.1.5. Besure the insulation rubbers be inserted into the upper surface

the base at two places.

LEAD

WIRES

WOOD

SCREW

RUBBER

PAD

HINGE

RUBBER

PAD

BASE

RUBBER

PAD

WOOD

SCREW

RUBBER

PAD

Fig. 2

Caution:

In case of leaning the head downward, take care that the base may leap up with the head, if the baseis

not

secured

with

the

wood

screws.

-4-

3.2

Connection

lead

wires

3.2.1 Pass the lead wires from the head through a table hole and connect them to the corresponding con nectors. (Fig. 4)

3.2.2 Bind the lead wires

with

wire clamper

3.2.3 Install the belt to the pulleys.

3.2.4 Set the head upright.

3.2.5

Install

the

belt

cover.

Lead

wires

Wire

clamper. Head(leaned)

Fig. 3

Control

Connection

box

between machine

head

and

control

box

(OOOO

coooo

<poo

20A

IDA

O®

O^O^l

rocTooi

Stepping Synchronizer

Power

Emergency stop switch connector

Thread

Home

Option connector Motor clutch/brake connector

shows

cable

position

lead

motor

trimmer

wires

connector

detector

from

connector

the

machine

head.

Fig. 4 Back viewofcontrol

Cautions:

(1) Prevent the lead wires from coming

box

into

contact with the belt.

(2) Securelyinstall each connector plug to the correspondingconnector receptacle.

(3) The power cableshould be kept unpluggedduring assembling and installation.

When installing the lighting lamp on the sewing machine, strip the insulation tapeofthe connecting code attached to behind

lamp conformed to specified rating (6V 15W).When the lamp is not used, insulate into leads each other

by using insulation tape (See Fig. 5).

the motor, and insulate the connection by wrapping the insulation tape. Use a

Rotation reversing plug

Motor

Fig.5 Rotation

reversing

plug

3.4

Electrical power coimection

Electrical

enough

U-phase

to the terminalof groundand,for the safety,be earthed.Askthe electricshoptomakeearth connection.

3.5. Changingofmotorrunning direction

It is

inga after the motor stops,

directionof rotation cannot be

power

supply

rating,

shouldbeused.

(red),

V-phase

caseofsingle-phase

possibletochange

reversing

plug.

capacity

Connect

(white)

motor,

Install

becauseittakes

the

and

avoid

direction

theplug

changed

shouldbeconformed

the

power

W-phase

to connect manyleadsto one electricoutlet.

(black).

ofrotation ofmotor

securely.Incaseofsingle-phase

approximately2minutes

if the powerisappliedwhilethe motor is stillnmning.)

to themotor

cable

to the

The

green

wire

inverselybyturning

rating.

Connecting

three-phaseinphase

for

three-phase

in 180

motor,thepower

untilthe motor

code

sequence

shouldbeconnected

degrees

shouldbeapplied

completely

which

motor:

and

stops.

have

insert

(TTie

-7-

+ 21 hidden pages