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SWF E-U901 Manual

Single head bridge automatic embroidery machine
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MANUAL
S S i i n n g g l l e e H H e e a a d d B B r r i i d d g g e e
A A u u t t o o m m a a t t i i c c E E m m b b r r o o i i d d e e r r y y
M M a a c c h h i i n n e e
M M M M E E - - 0 0 6 6 0 0 4 4 2 2 4 4
S S U U N N S S T T A A R R P P R R E E C C I I S S I I O O N N C C O O . . , , L L T T D D . .

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Summary of Contents for SWF E-U901

  • Page 1 MANUAL S S i i n n g g l l e e H H e e a a d d B B r r i i d d g g e e A A u u t t o o m m a a t t i i c c E E m m b b r r o o i i d d e e r r y y M M a a c c h h i i n n e e M M M M E E - - 0 0 6 6 0 0 4 4 2 2 4 4 S S U U N N S S T T A A R R P P R R E E C C I I S S I I O O N N C C O O .
  • Page 2 1. THIS IS AN INSTRUCTION FOR SAFE USE OF AUTOMATIC EMBROIDERY MACHINES. READ THOROUGHLY BEFORE USE. 2. CONTENTS IN THIS INSTRUCTION MAY CHANGE, WITHOUT PRIOR NOTICE, FOR IMPROVEMENT OF MACHINE QUALITY AND THUS MAY NOT CORRESPOND TO THE MACHINE YOU PURCHASED.

  • Page 3: Table Of Contents

    Contents ............................1. MACHINE TYPE AND SPECIFICATIONS 1.1) MACHINE TYPE ................................6 1.2) MODEL TYPE ................................6 1.3) SPECIFICATIONS ............................... 6 1.4) ACCESSORIES ................................6 1.5) OPTIONS ..................................6 ........................................2. SAFETY RULES 2.1) SAFETY STICKERS ..............................7 2.2) MACHINE DELIVERY ..............................8 2.3) MACHINE INSTALLATION ............................
  • Page 4 Contents 8.7) ASSEMBLY OF THREAD SENSOR AND FUNCTIONS ..................34 ............................9. MAINTENANCE AND CHECKPOINTS 9.1) REGULAR CHECKUP .............................. 35 9.2) CLEANING ................................35 9.3) OIL SUPPLY ................................37 9.4) GREASE SUPPLY ..............................39 9.5) TENSION CHECK OF EACH DRIVING BELT ...................... 41 ........................................

  • Page 5: Machine Type And Specifications

    MACHINE TYPE AND SPECIFICATIONS 1.1) MACHINE TYPE SWF / E - U 12 01 Series No.of Head No.of Needle Machine Type 1.2) MODEL TYPE Emb. Space (mm) Machine Size (mm) Machine Color Head Tubula Wide Semi-Wide Tubular Cap Frame Cap Frame...

  • Page 6: Safety Rules

    SAFETY RULES 2.1) SAFETY STICKERS Caution Danger Warning The safety stickers in this user's manual are divided into , and . They indicate that if the safety rules are not kept, injury or damage to machine might occur as a result. Name Description If the machine is not properly handled, it may cause injury...

  • Page 7: Machine Delivery

    2.2) M M A A C C H H I I N N E E D D E E L L I I V V E E R R Y Y Sticker Description The machine delivery shall be conducted by the persons who are knowledgeable about the safety instructions and rules.

  • Page 8: Machine Installation

    [Note] For more details on machine installation, see "2. Machine Installation and Assembly." 2.4) MACHINE OPERATION The SWF automatic embroidery machine is designed to conduct embroidery on textiles and similar materials for industrial purposes. CAUTION WARNING The machine body is attached with "...

  • Page 9: Repair And Maintenance

    2.5) REPAIR AND MAINTENANCE When machine repair is needed, it shall be conducted by SunStar A/S engineers only who have finished the due training course. 1) For cleaning and repair, cut the main power supply. Wait for 4 minutes before starting maintenance to make the machine completely discharged.

  • Page 10: Distinctive Features

    DISTINCTIVE FEATURES (1) Expanded Memory Capacity Up to 100 design patterns can be stored, and the maximum memory capacity per design pattern is 2 million stitches. (2) Mirror Change and Design Direction Setting A design can be rotated at the range from 0° to 359° by the unit of 1°, and the mirror change (X-direction reversing) can be conducted.
  • Page 11 quality of finished work and productivity can be enhanced. (13) Automatic Tread Break Sensor When the upper thread breaks or the lower thread runs out, the sensor can detect it and automatically suspend the machine operation. (14) Upper Thread Holder During sample embroidery, the device prevents the thread from escaping from unused heads and prevents the upper thread from escaping during embroidery work replacement.

  • Page 12: Matters To Consider Regarding Machine Installation

    MATTERS TO CONSIDER REGARDING MACHINE INSTALLATION To ensure smooth operation of the project, prepare the installation environment in compliance with the manual. Otherwise, it might cause unexpected break-down of the machine. CAUTION 4.1) I I N N S S T T A A L L L L A A T T I I O O N N C C O O N N D D I I T T I I O O N N S S 4.1.1) Temperature 1) While the machine is in use: 0。...

  • Page 13: Electricity Environment

    4.2) ELECTRICITY ENVIRONMENT Make sure to check whether the power specifications of the machine match with those of the power supply before installing and operating the embroidery machine. WARNING 4.2.1) Input Voltage (need to be adjusted upon installation) 1 phase AC 100V ~ AC 240V 4.2.2) Allowable Voltage Range Rated voltage ±...
  • Page 14 1) Check the power voltage of the place where the machine is installed. 2) The users might fall over the power cables of the machine. Therefore, when installing them, keep them away from the working area. CAUTION 3) If the height difference between 4 adjusting bolts is 10mm or above, put some plates under the low level bases in order to reduce the gap.

  • Page 15: Safety Rules For Machine Operation

    To open the cover, turn off the power and wait for 6 Don’t open the cover except for service man assigned by SWF. minutes before opening the cover. When open the cover turn off power and wait for 6 minutes.

  • Page 16: Location Of Safety Labels

    WARNING Fire or death may be caused by high voltage electric shock. Don’t open the cover except for service man assigned by SWF. When open the cover turn off power and wait for 6 minutes.

  • Page 17: Parts Name

    PARTS NAME ① Machine body ⑪ Thread Tension Adjusting ⒗ Upper Thread Holding ② Table (21) Main Power Switch Plate ③ Upper Thread Stand ⑫ Main Controller Box (22) Level Base ④ Main Shaft Driving Motor ⑬ X-shaft Feed System (23) Thread Break Sensor ⑤...

  • Page 18: Assembly Of Accessories

    ASSEMBLY OF ACCESSORIES 7.1) ASSEMBLY OF UPPER THREAD STAND Thread Hanging Angle Supporter Spool Plate 7.2) A A S S S S E E M M B B L L Y Y O O F F O O P P E E R R A A T T I I O O N N B B O O X X Power Cable FDD Cable...

  • Page 19: Functions Of Each Part And Operation Methods

    FUNCTIONS OF EACH PART AND OPERATION METHODS 8.1) LAMP SWITCH ON THREAD TENSION ADJUSTING PLATE 8.1.1) Function of Switch 1) During normal operation, locate the toggle switch on "Lamp On" to keep the lamp on. 2) When the machine stops its operation after the thread break is sensed, move the frame backward until the position where thread is broken.

  • Page 20: Needle Stop Clutch

    If the thread sensing rollers do not properly rotate due to foreign materials stuck around the thread sensing rollers, the machine might regard it as thread break. CAUTION 8.1.3) Disabling of Thread Break Sensor If the thread sensing rollers do not properly rotate due to foreign materials stuck around the thread sensing rollers, the machine could continue to detect thread breaks, interrupting the continuity of embroidery work.

  • Page 21: Upper Thread Placement And Tension Adjustment

    8.3) UPPER THREAD PLACEMENT AND TENSION ADJUSTMENT 8.3.1) Upper Thread Placement Upper Thread Stand Upper Thread (coming from the upper thread stand) Auxiliary Thread Adjusting Device Thread Tension Adjusting Plate Thread Sensing Roller Thread Take-up Lever Spring Stopper Thread Take-up Spring Rotary Tension Dish Main Thread Tension Adjusting Device...
  • Page 22 Thread Placement on Auxiliary Thread Adjusting Device Thread Placement on Thread Sensing Roller Thread Sensing Roller One-circle rotation Thread Guide Dish (penetrating the dish vertically at the center) Rotate the thread sensing roller once based on the "v" Pass the thread through the hole of the thread guide dish. mark.
  • Page 23 8.3.2) Adjustment of Upper Thread Tension Thread tension is a key factor affecting the quality of embroidery work. In general, if you can see 2/3 of the upper thread and 1/3 of the lower thread below the fabric, it can be said that the thread tension is well adjusted.
  • Page 24 8.3.3) Adjustment of Thread Take-up Lever Spring ○ Proper Location of Thread Take-up Lever Spring × Improper Location of Thread Take-up Lever Spring The thread take-up lever spring stopper does not contact The thread take-up spring stopper tightly contacts the the spring (this is caused by the weak tension of the spring.

  • Page 25: Lower Thread Placement And Tension Adjustment

    8.4) LOWER THREAD PLACEMENT AND TENSION ADJUSTMENT 8.4.1) Placement of Lower Thread 1) Basically, use a cotton thread (80# ~120#) as the lower thread. 2) Placement of Lower Thread on Bobbin Case 3~4cm Lower Thread ① Insert the bobbin properly wound with thread Hanger into the bobbin case, pass the lower thread through the opening on the bobbin case, and...

  • Page 26: Thread Winding

    8.5) THREAD WINDING 8.5.1) Lower Thread Winding 1) Insert the bobbin into the thread winder shaft as in the figure below and manually wind the thread 5 to 6 times on the bobbin in the direction of winding the thread. Then press the start button. Knob Thread Tension Adjusting Nut Thread Guide Body...
  • Page 27 8.5.3) Adjustment of Lower Thread Winding 1) When winding thread on the bobbin, the Thread Tension direction shall be in parallel with the bobbin. If Adjusting Nut it is not parallel, loosen the tightening screw Tightening Screw for the body of the thread guide and adjust the for Thread Guide thread guide body left or right.

  • Page 28: Adjustment Of Needle And Hook Timing And Other Related Information

    8.6) ADJUSTMENT OF NEEDLE AND HOOK TIMING AND OTHER RELATED INFORMATION 8.6.1) Needle 1) It is important to choose needles in line with embroidery fabric and thread used. 2) If inappropriate needles are used, poor embroidery conditions, frequent thread breaks, and thread skipping might occur.
  • Page 29 8.6.3) Needle Replacement 1) To replace the needle, it shall be located at the place where a needle can be installed or removed. If the needle is not at the place, use the main shaft handle to manually rotate the main shaft to install or remove the needle.
  • Page 30 8.6.4) Relations Between Needle and Hook 1) Adjustment of Needle and Hook Timing For needle and hook timing, the main shaft is set at 201°, when the machine is shipped out from the factory. The relations between the needle and hook are as below: Hook Point Highest Point of Hook Point...
  • Page 31 Functions of Needle Parts 1) The standards of needle hole and needle groove are different according to needle Front Needle Groove types and size. Front needle groove: Protects the thread from being broken due to the heat Needle Hole generated during embroidery. Rear needle groove: Adjusts the hook timing to be faster or slower in accordance with the needle movement, and prevents...
  • Page 32 8.6.5) Relations Between Thread Take-up Lever and Hook The setting of hook point timing in accordance with the needle movement has a great impact on thread tightness and thread break. The figures below show the location of the hook when the thread take-up lever ascends from the lowest point (the rotary angle of the main shaft: 291°).

  • Page 33: Assembly Of Thread Sensor And Functions

    8.7) ASSEMBLY OF THREAD SENSOR AND FUNCTIONS 8.7.1) Functions of Thread Sensor The thread sensor detects the breaks of the upper and lower threads to prevent the creation of low-quality embroidery work. The smooth rotation of the thread sensing roller enables the sensor to detect thread break. Therefore, if the thread sensing roller does not properly rotate, the false detection of thread break might occur.

  • Page 34: Maintenance And Checkpoints

    - Incomplete contact of the connector - Abnormal abrasion of machine parts stemming from insufficient lubrication and grease supply 9.2) CLEANING SWF is not responsible for machine damage or mal-operation stemming from the failure to conduct cleaning or lubrication on a regular basis. CAUTION Before cleaning or checkup, make sure to turn off the power of the machine.
  • Page 35 ① Hook ③ ② Thread Take-up Moving Blade Lever Guide Rail Lower Thread Holder Fixed Blade...

  • Page 36: Oil Supply

    9.3) OIL SUPPLY Make sure to turn off the power of the machine before supplying oil. CAUTION SunStar is not responsible for the abrasion or damage of the machine due to the failure to supply oil for a long time by the users. CAUTION 9.3.1) Oil Supply When supplying oil, use the oil for sewing machine provided by SunStar (spindle oil) or ISO VG18 grade oil.
  • Page 37 Head ③ ③ ⑤ ③ ② ② ⑤ ③ Oil Supply Opening ③ ④ ④ Race ① Hook Bobbin Case ⑥ ⑦...

  • Page 38: Grease Supply

    9.4) GREASE SUPPLY Make sure to turn off the power of the machine when supplying grease. CAUTION Please use the lithium grease which is composed of high-quality mineral oil. Reference Figures Where to Supply Grease Frequency Within the regular arm ①...
  • Page 39 Make sure to turn off the power of the machine during grease supply. CAUTION Use Albania No. 2 among the lithium grease (JIS No. 2) products. Where to Supply Grease Frequency Reference Figure X-shaft LM guide (2 places x 2EA) Every two months ①...

  • Page 40: Tension Check Of Each Driving Belt

    9.5) TENSION CHECK OF EACH DRIVING BELT Make sure to turn off the power of the machine before checking driving belts. CAUTION When the belt tension is either too excessive or weak, it may cause abnormal abrasion around the moving parts and the lower performance of the machine functions.

  • Page 41: Adjustment

    ADJUSTMENT Make sure to turn off the power of the machine before adjusting major moving parts. CAUTION 10.1) ADJUSTMENT OF TRIMMER 10.1.1) Adjustment of Trimmer Cam Location (Entering Angle of Moving Blade) The initial entering angle of the moving blade refers to the starting angle of the moving blade when the trimmer moves with the trimming signal (automatic, manual).
  • Page 42 3) Adjustment of Moving Blade's Entering Angle ① Loosen the two fixing screws for the blade cam, and set the upper shaft rotary angle at Fixing Screw for Blade Cam 295° by using the hand pulley. ② Turn the manual handle for trimmer Blade Cam solenoid as in the figure to insert the roller into the blade cam.

  • Page 43: Adjustment Of Trimmer Return Spring Location

    10.2) ADJUSTMENT OF TRIMMER RETURN SPRING LOCATION 10.2.1) Functions of Trimmer Return Spring The trimmer return spring is an auxiliary device which makes the moving blade return to the original position. If the machine operates without the proper return of the moving blade, it may cause damage to needles and the moving blade.

  • Page 44: Adjustment Of Upper Thread Holding Device

    10.4) ADJUSTMENT OF UPPER THREAD HOLDING DEVICE 10.4.1) Assembly Status Check of the Upper Thread Holding Lever and Upper Thread Holder Driving Plate ① The upper thread holder driving plate of the upper thread holder base shall move 1mm away from the upper thread holder base when operating the upper thread holding solenoid.

  • Page 45: Adjustment Of Upper Thread Holder

    10.5) ADJUSTMENT OF UPPER THREAD HOLDER ① Loosen the tightening screw for the upper thread holder base. Press the motor shaft connecting lever with the thumb and fix the upper thread holder base at the place where the hook of the upper thread holder passes through the center of the thread.

  • Page 46: Adjustment Of Noise Controller For Presser Foot

    10.6) ADJUSTMENT OF NOISE CONTROLLER FOR PRESSER FOOT 10.6.1) Assembly of Presser Foot Moving Cam ① Set the main shaft at 178° and pass 2 assembly standard pins (ф3) through the assembly standard holes (ф3) of the presser foot moving cam and insert them into the holes (ф3) of assembly standard holes as in the figure. ②...

  • Page 47: Relations Between Presser Foot And Needle

    10.6.2) Adjustment of the Presser Foot Height ① Regular Needle Bar Use the main shaft handle to rotate the main shaft. According to embroidery fabric, check Presser Foot Holder Tightening Screw the relations between the presser foot and the needle, and spin the main shaft handle to locate the needle bar at the lowest position Needle Plate (main shaft angle is 178°).

  • Page 48: Adjustment Of Half Turn Film For Color Change

    10.8) ADJUSTMENT OF HALF TURN FILM FOR COLOR CHANGE When changing color, adjust the half-turn film if the needle is not located at the center of the needle hole. ① When the needle is located at the center of the needle hole, rotate the manual handle for color change to locate the roller at the center of the color change cam.

  • Page 49: Adjustment Of Encoder Position

    10.9) ADJUSTMENT OF ENCODER POSITION When the needle bar's stop position is wrong, adjust the encoder position. ① First of all, loosen the fixing screws on the coupling's connection part to the encoder (2 places). ② Press the "Select" button and set the angle at 100°. Adjust the encoder and stop it at the place where the beep sound is issued.

  • Page 50: Adjustment Of Needle Bar Up/Down Position

    10.10) ADJUSTMENT OF NEEDLE BAR UP/DOWN POSITION 10.10.1) Lower Position of Needle Bar When the bobbin is located at the low point, make sure to make the half or full-size needle seen through the bobbin case insertion hole. CAUTION The lowest needle point refers to the lowest point Tightening where the needle bar can descend.

  • Page 51: Adjustment Of Jump Motor

    10.11) ADJUSTMENT OF JUMP MOTOR When the jump motor is replaced or the operation of the jump motor is poor, adjust the location of the jump motor as in the figure. 10.11.1) Adjustment of the Pause Position (in case Jump Crank Roller of adjusting the motor base) ①...

  • Page 52: Adjustment Of Tension Of Each Driving Belt

    10.12) ADJUSTMENT OF TENSION OF EACH DRIVING BELT 10.12.1) Y-shaft Timing Belt Specifications of Belt Tension Adjusting Device (sound wave-based belt tension meter) - Model: U-305 series sound wave-based belt tension meter - Manufacturer: UNITTA CAUTION 1) The adjustment of the tension of each driving belt might affect the quality of embroidery and the machine operation.
  • Page 53 10.12.2) X, Y-shaft Timing Belt 1) Completely move the frame fixing plate to the right side to check the X-shaft timing belt tension, and use the sound wave-based belt tension meter. 2) Strike the center of the belt span with a finger or a similar tool to measure the X-shaft timing belt tension, and it shall be 10~11kgf when the tension is measured by the sound wave-based belt tension meter.
  • Page 54 10.12.3) Main Shaft Motor and Upper/Lower Shaft Belts 1) Adjustment of Main Shaft Belt ① Set the belt tension of the main shaft motor belt by making the belt pressed 2~3mm when the center of the belt span is pressed with the power of 11Kg (F) ②...
  • Page 55 10.12.4) Adjustment of Position Marker Location When tracing a design, make sure that the position marker is at the center of the needle. Otherwise, the laser pointer shall be readjusted as in the figure below. ① As in the figure below, make adjustment to let the laser pointer beam (a) pass between the presser foot (b) and the upper thread pressure base cover, and to place the position marker at the center of the needle hole.

  • Page 56: Causes Of Trouble And Troubleshooting

    CAUSES OF TROUBLE AND TROUBLESHOOTING When a breakdown occurs, conduct repair or check in accordance with the safety rules. CAUTION DANGER Type Cause of Trouble Corrective Action and Check Point Remarks Wrong Machine ① Excessive relaxation of the ■ Adjust the belt tension and ■...
  • Page 57 Type Cause of Trouble Corrective Action and Check Point Remarks ① Wrong stop position ■ See the manual on the ■ After manually Wrong Needle Bar Replacement wrong stop position operating the main shaft due to cleaning, checking, and repair, make sure to set the main shaft's rotary angle at 100°.
  • Page 58 Type Cause of Trouble Corrective Action and Check Point Remarks ① Defective roller rotation ■ Disassemble the body of the Poor Upper Thread Detection thread sensing roller and clean the thread sensing roller and the bush bearing ② Inappropriate contact of the ■...
  • Page 59 Type Cause of Trouble Corrective Action and Check Point Remarks ① Too small or close stitches ■ Conduct punching again on ■ Check the design Thread Break for the thread used the design tape status ② Frequent thread breaks ■ Conduct punching again around the same area of a after checking the design design...
  • Page 60 Type Cause of Trouble Corrective Action and Check Point Remarks ⑦ Use of low-quality thread ■ Replace the thread for high- Thread Break Check the thread used ※Tips for thread (loose thread twist, uneven quality one thread thickness, bad thread selection ■...
  • Page 61 Type Cause of Trouble Corrective Action and Check Point Remarks ⑫ Scratch around the area on the ■ Remove the scratch and ■ Check the rotary Thread Break hook and the bobbin where replace the part hook the thread passesthrough ⑬...
  • Page 62 Type Cause of Trouble Corrective Action and Check Point Remarks ① Crooked needle ■ Replace the needle Stitch Skip ② Inappropriate needle for the ■ Use the appropriate size of thread used the needle ③ Installation of wrong needle ■ Properly install the needle ④...
  • Page 63 Type Cause of Trouble Corrective Action and Check Point Remarks ① Weak tension of the upper ■ Adjust the tension of the Poor Thread Tightening thread upper thread ② Uneven tension of the ■ Clean the main tension upper thread due to foreign adjusting device and the materials auxiliary thread tension...
  • Page 64 ④ Too big needle hole on the ■ Use the needle of ■ The hole on the needle plate for the needle appropriate standards needle plate of SWF/ used Series is 2.0mm. The appropriate thread and needle for the SunStar needle...
  • Page 65 Type Cause of Trouble Corrective Action and Check Point Remarks ① Poor connection of the ■ Check the status of the Failure to Detect Trimming and sensor connector connector connection Return ② Bad board ■ Replace the board on the rear side of the controller ③...
  • Page 66 Type Cause of Trouble Corrective Action and Check Point Remarks ① Too short upper thread ■ Adjust the upper thread Thread Break ■ Check the tension of the Before Trimming tension by Moving Blade main and auxiliary tension adjusting device on the thread tension adjusting plate.
  • Page 67 Type Cause of Trouble Corrective Action and Check Point Remarks ① The moving and fixed ■ Check the conditions of the Trimming Failure (on blades do not operate. tightening screw for the specific heads) moving blade and the tightening screw for the moving blade crank trimmer driving clamp.

This manual is also suitable for:

E-u1201E-u1501

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