Kansai RX UTC Manuale utente

.... •

v?'V":?

Industrial

Sewing

Machines

•

•BH

UTC

MANUAL

,•••...•

•

MORIMOTO

MFG.

CO.,

LTD.

From the library of: Superior Sewing Machine & Supply LLC

Table

Contents

Setting

and

Adjusting

The

Needle

Positioner

Attaching

The

Synchronizer

Setting

The

Needle

Position

Stroke

Adjustment

The

Knife Air

Cylinder

Piston

Position

Return

Spring

Adjustment

Description

The

UTC

Parts

Setting

The

UTC

Knives

and

Springs

Movable

Knife

Position

(Retracted)

Fixed

Knife

Position

UTC

Springs

Adjustments

Movable

Knife

Position

(Extended)

Front/Rear

Position

Adjustments

The

Movable

Knife

Movable

Knife/Looper

Clearance

(Front/Back)

Fine

Tuning

The

Adjustments

Movable

KnIfe/Looper

Clearance

(Top/Bottom)

Stationary

Knife

Base

and

Knife

Stopper

Clearance

Relationship

The

Movable

Knife To

The

Threads

UTC

Spring

Tension

The

Looper

Thread

Tension

Release

Adjustments

Tension

Release

Block/Cylinder

Bracket

Clearance

Tension

Opener

and

Pull Off

Hook

Positions

Tension

Release

Assembly

Knife

Position

Sensor

Pressure

Regulator

Page

4-6

7-8

9-10

From the library of: Superior Sewing Machine & Supply LLC

l!^etting

and

Adjusting

The

Needle

Positioner

(Refer

Fig

[CAUTION]

When

setting

the

synchronizer

make

sure

all

connections

for

the

UTC

unit

are

unplugged

prevent

knife

activation

during

the

setting

procedure.

motor

manufacturer

instructions

for

setting

needle

position.

Fig 1:

attach

the

synchronizer

the

machine,

secure

screws

(B)

pulley

synchronizer

hub

(F).

adjust

the

depth

the

synchronizer

bar

(C)

loosen

nut

(D)

and

turn

synchronizer

bar

(C).

Fig

set

''needle

up'''

position,

align

mark

machine

handwheel

(E)

with

rivet

(0)

machine

casting.

This

the

proper

timing

position.

^With

two

position

motor

use

needle

down

then

needle

up.

From the library of: Superior Sewing Machine & Supply LLC

2^troke

Adjustment

The

Knife

Air

Cylinder

(Refer

Fig

Depress

the

knife

cylinder

piston.

Measure

the

clearance

between

cushion

(D)

and

collar

(A).

Clearance

should

15-15.5mm

shown

(C).

Fig

Adjustment

the

air

cylinder

return

spring:

Clearance

from

the

collar

(B)

and

the

cylinder

bracket

shown

dimension

(C).

should

7mm

when

the

piston

fully

extended.

adjust

loosen

the

screw

collar

(B),

set

the

correct

clearance

and

tighten

the

screw.

-ict-

15-15.5cm

From the library of: Superior Sewing Machine & Supply LLC

^^^escription

The

UTC

Parts

Adjustment

Nut

Cam

Adjustment

•Alignment

Mark

Looper

Thread

Catcher

Blade

Knife

Drive

Arm

Needle

Thread

Catcher

Blade

Stationary

Knife

-Guide

Screw

Movable

Knife

Base—' ^

Stationary

Knife

Base

Movable

Knife

Movable

Knife

Guide-

•Stationary

Knife

Stopper

Movable Knife Height Adjustment

From the library of: Superior Sewing Machine & Supply LLC

^j^etling

The

UTC

Knives

and

Springs

(Refer

6H6)

Fig 6; Position of the movable knife : As shown in Fig 6 it is critical

that

movable knife (A) be

aligned evenly with movable knife base (B).

The

edge of the base should be parallel with

the

knife. To

adjust

loosen screw (C)

and

realign properly.

Fig

Position

the

fixed

knife.

Description

Parts:

A -

Movable

Knife.

a -

Needle

Thread

Catcher

Blade.

Looper

Thread

Catcher

Blade.

D -

Stationary

Knife.

d -

Stationary

Knife

Cutting

Edge.

E -

Screws

for

Adjusting

Stationary

Knife.

When

fully

retracted

the

looper

thread

catcher

blade

(a')

should

0.5-0.8mm

behind

the

stationary

knife

cutting

edge

(d).

adjust,

loosen

screws

(E)

and

set

the

proper

clearance

described

above.

From the library of: Superior Sewing Machine & Supply LLC

Fig

8: Adjust the lowtension spring (F) so that the needlethreads are cut and released cleanly

while the looper thread is cut and held in place by the low tension spring (F).

Spring

adjustments

are

made

by loosening

the

following

screws:

Screws

(E)

allow

for

adjustment

the

movable

knife

and

the

low

tension

spring.

Screws

(I) allow

for

adjustment

the

high

tension

spring.

The

distance

from

the

edge

the

stationary

knife

the

leading

edge

the

high

tension

spring

should

1.2

1.5mm.

The

leading

edge

the

low

tension

spring

should

extend

0.5mm

beyond

the

edge

the

stationary

knife.

Note:

Make

sure

that

the

needle

threads

are

cleanly

released

and

not

held

this

spring.

Fig

With

knife

fully

extended

the

tip

the

movable

knife

should

even

with

the

front

edge

the

looper

(Line

A).

The

tip

the

movable

knife

2.5mm

past

the

center

the

looper

eye.

Fig 8

1.2~1.5mm

0.5

Fig 9

[*,

(FRONT)

2.5mm

From the library of: Superior Sewing Machine & Supply LLC

Fig 10:

adjust

the

front/rear

position

the

movable

knife,

loosen

screw

(C)

and

adjust

cam

(D)

direction

(A)

move

the

knife

the

rear

direction

(B)

move

the

knife

forward.

Fig 11:

With

the

knife

fully

retracted,

the

clearance

between

the

rear

edge

the

looper

and

the

front

edge

either

the

movable

stationary

knife

4.5~5.0mm.

Fig 10

(o\

C—V

\\ A

^ \ B

D-^

Fig 11

From the library of: Superior Sewing Machine & Supply LLC

ine

Tuning

The

Adjustments

(Refer

to Rg 3 &5)

increase

the

clearance

between

the

looper

and

the

knife

refer

Fig 5

and

loosen

the

adjustment

nuts.

If it is

required

bring

the

knife

forward,

adjust

the

nuts

reduce

dimension

(Z). If it is

required

bring

the

knife

back,

then

adjust

the

nuts

increase

dimension

(Z).

alternative

method

for

increasing

decreasing

the

clearance

between

the

looper

and

the

knife

adjust

the

stroke

the

knife

cylinder

piston

shown

in Fig 3.

increase

the

clearance

between

the

knife

and

the

looper,

increase

the

clearance

between

cushion

(D)

and

collar

(A).

When

any

adjustments

are

made

the

stroke

the

knife

air

cylinder,

required

that

the

position

the

knife

readjusted.

The

recommended

clearance

between

the

top

the

looper

and

the

movable

knife

0.5

~1.0mm

shown

Fig

12.

adjust

the

height

between

the

looper

and

the

movable

knife,

refer

Fig

13.

Loosen

screws

(A)

and

raise

lower

the

bracket

(E)

obtain

the

proper

clearance

shown

Fig

12.

From the library of: Superior Sewing Machine & Supply LLC

Fig 13:

Clearance

between

stationary

knife

base

and

stationary

knife

stopper:

the

knife

extended

first

moves

forward

over

the

looper.

this

time

the

stationary

knife

base

contacts

the

stationary

knife

stopper.

this

time

the

movable

knife

guide

(C)

gently

touches

the

movable

knife

base

stabilize

the

motion

the

knife.

Fig

15;

Correct

position

movable

knife

Fig

demonstrates

the

incorrect

stroke

the

movable

knife

resulting

the

knife

not

catching

the

needle

thread

(B)

and

looper

thread

(D).

Fig

demonstrates

the

cor

rect

stroke

the

movable

knife.

this

diagram

shows,

the

knife

passes

through

the

center

the

needle

threads

and

front

the

looper

thread

thereby

enabling

the

blade

catch

and

cut

the

threads

properly.

Fig 13

From the library of: Superior Sewing Machine & Supply LLC

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