TAJIMA EMBROIDERY MACHINE

Original InstructionsO-EMB10-E

(2009.10)

BASICS

MW03

Foreword

This manual aims at customers who use a TAJIMA embroidery machine for the first time, and it introduces basic handling ofeach part.

The customer who has already been an owner of TAJIMA embroidery machine is also requested to read this manual, understandthe contents, and then use the machine.

The contents of this manual may contain discrepancies in detailed information when compared with the actual product you havepurchased due to difference of target model or continued research and improvements. If you have question about the productyou have purchased or the contents of this manual, please ask the distributor for information.

- Table of contents -

1. Machine needle ............................................................ p.1

2. Rotary hook .................................................................. p.3

3. Under thread winder..................................................... p.5

4. Thread .......................................................................... p.6

5. Fabric stretching........................................................... p.7

6. Threading ..................................................................... p.8

7. Tension adjustment of thread....................................... p.9

8. Timing between needle and rotary hook .................... p.11

9. Presser foot ................................................................ p.11

10. Thread breakage detector .......................................... p.13

11. Middle thread guide with thread take-up spring ......... p.13

12. Upper thread lock ....................................................... p.13

13. Frame spec. of the machine....................................... p.14

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1.BASICS

1. Machine needle

Many manufacturers provide sewing machine needles. Needles that can be used for the TAJIMA embroidery machineshave been developed as exclusive products for embroidery machines.

1-1. Name of each part

1-2. Standard needle

Our standard needles (needles to be equipped to the TAJIMA machine) are the following three types.

DBxK5RG: GROZ-BECKERT, DBxK5Z1/Z2: ORGAN

Regarding other count numbers than 11 (75), please ask the distributor for information.

Name Application Needle size

Length of shank

(Figure 4 above)

Characteristic

DBxK5RG Border frame, tubular goods frame, cap frame

11 (75)

16 mmDBxK5Z1

DBxK5Z2 Cylindrical frame 13.5 mm

[Front side] [Opposite side]

4

5

6

11

2

3

2

1. Groove

2. Scarf

3. Needle eye

4. Shank

5. Taper

6. Blade

Needles that can be used for the TAJIMA machines have shankdiameter (A): 1.62 to 1.63 mm, butt to eye length (B): 33.8 to 33.9 mm.

A

C

Needle size is based on the blade diameter(C).

Example (11: Japanese notation, 75: Germannotation)

B

It has spherical tip and good durability.

It can be used for various purposes such asfrom thin to thick fabric, knit.

It is effective to prevent breakage of thread andneedle.

Spherical shape(Enlarged)

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1-3. Relation between needle and thread

The chart below indicates needles and adaptable thread sizes (rough standard).

Indication of thread count differs depending on country, area, or manufacturer. Denier (d) is used for explanation in thismanual.

1-4. Change of needle

Needle is consumable. Use of bent needle or tip-damaged needle will cause thread breakage and skip stitch. Change theneedle when such troubles are distinguishing.

It is also necessary to change needle according to conditions such as thread to use, material, sewing method etc.

Needle size Thread

Cotton count Silk (d/2) Polyester (d/2) Rayon (d/2)

8 (60) / 9(65) / 10(70) 70 to 80 70 to 100

11(75) / 12(80) 50 to 60 100 to 130

13(85) / 14(90) 36 to 40 130 to 150

Larger the value, the thicker is thread.*Denier (d):

Larger the value, the thinner is thread.*Cotton count number:

Number in ( ) is German notation

Groove should

- Cross section -There should be no gap.

ScrewIt is possible to detach needle by loosening the screw onlylightly.

Accessory

Needle

face the front.

clamp

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2. Rotary hook

2-1. Name of each part

2-2. Bobbin

Wind under thread to bobbin by using under thread winder (Refer to p.5).

[Winding amount of under thread]

Quantity of [1] is adequate. [2] or [3] will cause thread breakage, biting or bad finish of sewing.

321

4

5

1. Outer hook2. Inner hook3. Hook point4. Lubricating hole5. Hook rail

About 5 cm

Bobbin case

In the state of bobbin case being set

4

During stop of the machine

[1] [2] [3]

When you wind under thread to bobbin adequately, itslength is as shown in the chart below (an example).

Bobbin for regular rotary

hook

Bobbin for jumbo rotary

hook

80 m 125 m

85 to 90%

Adequate amount

Overwound

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2-3. Bobbin case

2

3

5

4

1

[1]

Pay attention to direction of bobbin

[2] Put thread into the slit.

[3] Lead thread to the spring edge. [4] Wind thread to the thread guide coil.

Set bobbin to bobbin case.

1 Thread guide coil

2 Latch3 Adjusting screw

4 Slit

5 Spring edge

Name

Adjust the tension (Refer top.9).

Enlarged

[5]

About 5 cm

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3. Under thread winder

3

4

1

2

1 Power switch

2 Cover*Some type has no cover.

3 Thread guide system

4 Tension set

5 Thread winding section

6

8

910

7

Procedure

(a) Pass thread to the tension set (4).

(b) Wind thread to bobbin by two or three turns (9).

(c) Push down the start lever (6).Winding starts.

When thread winding is completed, the start lever will return to theoriginal position automatically.

Lubricate the wick (7). Neglect will causethe parts to be burnt out.

! CAUTION!

Start lever

Wick

Tension knob

Bobbin

Perform adjustment so that light thread tension applies.

4

To lubricate to the wick, use the accessory TF oil of themachine. Neglect will cause sticking.

(*)

*

Micro switch

Detecting lever

6

78

910

5

6

9

Power supply spec.: 100 V, or 220to 230 V

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4. Thread

[Difference between sewing thread and embroidery thread]

4-1. Upper thread

Use left-twisted (Z-twisted) upper thread that fits to rotating direction of rotary hook (counterclockwise).

4-2. Under thread

Cotton thread or polyester spun thread is popular (differs dependingon application). If you do not use the same thread as upper thread,select thin thread count as much as possible (the back of fabric will befinished softly).

3-piece 2-piece

Sewing thread (three-piece twist)

Its purpose is to sew fabric together and needs enough strength.

Embroidery thread (two-piece twist)

It is frequently used for decoration. It needs softness to emphasizebrilliance even if it overlaps.

twist twist

When catching thread in both hands andturning thread to the direction indicated byarrow, it is “left-twisted” if twisting of threadreturns. When thread twisting becomesstronger, it is “right-twisted”.

An example of sample

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5. Fabric stretching

Fix the fabric in the state of full stretch so that no lines remain on the fabric.

Clip

1

For multi head machine

How to fit in clipPush it down by thumb.

Fix

The number of clips and their length differ depending on frame size. Perform equal arrangement by using all clips.

Bad example

When you attach frame holder or square frame, detach the borderframe sash (1).

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6. Threading

When you step on the table to perform working, perform the working near the spot where the table support is set as close as possible (only the model in which table supports are packed together).

Threader

Spiral tube

12

3

(accessory)

Table support

1. To raise the lever

2. To pass thread

3. To return it to the original position

How to use adjusting lever

Threader (accessory)

If thread does not pass to each section correctly, it is notpossible to make normal stitching (not possible toembroider). In addition, thread breakage sensor willmalfunction to stop the machine. (Code Nos.291, 293 etc.will occur).

CAUTION!!

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7. Tension adjustment of thread

To make finishing of embroidery beautiful or to perform efficient works by reducing thread breakage, it is important to getadequate tension of upper/under thread. Please perform adequate tension adjustment that is suitable to fabric or type ofthread to use, conditions etc.

7-1. Under thread tension

(a) When not using a measuring gauge

(b) When using a measuring gauge

When you shake the bobbin case (3) up and down lightly in the state of under thread (1 inthe figure) not hooked to the thread guide coil (2), standard tension (20 to 35 g) makes thebobbin case (3) descend slowly.

[When adjusting]

Loosening the adjusting screw (4) will make tension looser. Tightening it will make tensiontighter.

4

Use a small flat head screwdriver.

1

2

3

(Upper/under thread tension measuring gauge)

Introduced hereunder are gauges to measure tension of upper/under thread. Please make good use of them (soldseparately).

UTG(Under thread tension measuring gauge)

BTG

Used for both jumbo rotary hook and regular rotary hook

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7-2. Upper thread tension

Adjust tension with thread apart from the thread presser 2 (illustration A below).

In the state of upper thread entangled

1

a. Remove entangling of thread at the first tension (1). It is allright that only light tension is applied here.

b. Perform adjustment at the second tension (3) while pullingout thread so that tension becomes 100 to 130 g.

- Standard value -

Type of thread Tension value

Rayon 120 (d/2) 110 to 130 (g)

Polyester 120 (d/2) 100 to 110 (g)

3

2

Graduation(Tension value)

3

Measuring gauge(UTG)

To loosen

To tighten

Detach the threadpresser (2) by finger.

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8. Timing between needle and rotary hook

The timing (timing between needle and rotary hook) when the needle (1) meets the hook point (2) of rotary hook is veryimportant.When the needle (1) moves up, the loop (4) generated under the fabric (3) affects finishing of sewing. Loop shape ischanged by “Fast”/“Late” timing between needle and rotary hook.

The description below only shows the relation between a needle and a rotary hook. This does not meanrecommendation of adjustment of timing between needle and rotary hook.

9. Presser foot

When height of the presser foot (2) against the fabric (1) is improper, a gap will occur between the fabric (1) and the needleplate (3). That will cause thread breakage, skip stitch, or bad thread tension. It is necessary to adjust height of presser footaccording to fabric thickness.

Moving up quantity: small

Main shaft angle shows timing between needle and rotary hook.Adjustable range: 198 to 204° (standard value: 200°)

Main shaft angle

Moving up quantity: large

[Timing: 198°]

1

2

3

4

1

2

4

3

[Timing: 204°]

Small looping is apt to generate skipstitches.

Large looping is not apt togenerate skip stitches.

2

1

Main shaft angle 200° (standard value)

Fast

Late

1

2

3

Presser foot should press thefabric at needle sticking.

Good example

Bad example

Value at shipment from

0.8 mmthe factory

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[How to adjust]

a. Turn OFF the power. After setting needle position to the first needle, rotate the main shaft counterclockwise (correctrotation) by using the T-wrench (1). Set main shaft angle to 178° while checking descending of the needle bar.

b. Loosen the screw (2) to detach the cover (3) (figure b below).c. Loosen the screw (4), and tighten the screw (4) with the presser foot (5) touching fabric (urethane (6) in this example)

lightly. Adjust the second needle and after by the same manner (figure c below).

d. After adjusting of one head, check if height of presser foot is almost the same at any needle bar visually (broken line part inthe figure d below).

1

Main shaft angle 178°

4

6

56

5Enlarged

22

[a] [b]

[c] [d]

3

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10. Thread breakage detector

The rotary slit (1) detects flow of upper thread/under thread.When thread breakage occurs, the machine will stop at once.

11. Middle thread guide with thread take-up spring

The thread take-up spring (2) keeps balance of upper thread/under thread constantly at high-speed rotation, which makesfinishing of sewing stable.

12. Upper thread lock

Upper thread will be locked (fixed)/released according tooperational condition of the machine. Changing this timing willimprove finishing of sewing.

It is possible to change upper thread lock timing on theoperation panel. For details, please read “USER’SMANUAL”.

It is possible to change sensitivity of threadbreakage detection on the operation panel.For details, read “USER’S MANUAL”.

1

3

2

Basic position

2

3

Set it to the “basic position” usually. Whenyou move the lever (3) (two or three steps),finishing of sewing will change (performadjustment according to need).

(Not applied to some models)

Fix Release

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13. Frame spec. of the machine

indicates the inside of border frame, indicates an X-axis embroidery space and indicates asuspended head.

123456

135

12346 5

123456

2345 1

12

34

5

A

123456

1 12 2

3 34 4

5 56 6

[ S (single) spec. ]

It is a standard frame spec.

[ W (double) spec. ]Activating odd-numbered heads only will cause embroidery space to become as large as two heads.

[ WE spec. ]This spec. performs embroidery to W space by activating all heads (embroidery space is for two heads).*X-axis embroidery space is added by one head (illustration A below).

[ WJ spec. ]The machine will perform embroidery to a space as large as one head or two heads by grouping two heads. *The illustration below is an example when using the WJ-spec frame. Other usage of the frame according to applicationis also available. For details, please ask the distributor for information.

*There are also 2W and 3W spec.

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BASICS

2nd Edition November, 1998

3rd Edition February, 1999

4th Edition June, 1999

5th Edition May, 2001

6th Edition March, 2003

7th Edition May, 2003

8th Edition April, 2004

9th Edition March, 2009

Copy, reprint, or reform of a part or whole of this manual without permission is prohibited.

Copy, reprint, or reform of a part or whole of this manual without permission is prohibited.

Manufactured by:Tokai Industrial Sewing Machine Co., Ltd.

NO.1800, Ushiyama-cho, Kasugai, Aichi-pref., 486-0901, JapanTelephone:568-33-1161 Fax:568-33-1191

Distributed by:Tajima Industries Ltd.

19-22, Shirakabe, 3-chome, Higashi-ku, Nagoya, 461-0011, JapanTelephone:52-932-3444 Fax:52-932-2457

Authorized Distributor: