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Summary of Contents for Mitsubishi PLK-E0504
- Page 1 MITSUBISHI Industrial Sewing Machine TECHNICAL MANUAL MECHANICAL VERSION Electronic Pattern Sewing Machine PLK-E0504 Model A180E517P01...
- Page 2 All information in this technical manual are subject to change without notice. MITSUBISHI ELECTRIC CORPORATION has all the copy rights on this technical manual. Reprinting the parts or all of this technical manual is not allowed without permission. Explanations for the warning signs...
- Page 3 ENVIRONMENT STANDARD Caution For avoiding the sewing machine from the troubles, please do not operate the sewing machine under the following conditions. Temperature and humidity (a) During operating : The atmosphere temperature should not exceeded more 35ºC (95ºF) or less 5ºC(41ºF). (b) During transportation : The atmosphere temperature should not exceeded more 55ºC (131ºF) or less -10ºC (18ºF).
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Page 4: Table Of Contents
CONTENTS 1. STRUCTURE OF THE MACHINE ･････････････････････････････････････････ 1 2. SPECIFICATION ･･･････････････････････････････････････････････････････ 3. INSTALLATION ････････････････････････････････････････････････････････ 3-1. Preparation of the table ･･････････････････････････････････････････････ 3-2. Preparation for the steel stand ････････････････････････････････････････ 3-3. Installation of the motor ･･････････････････････････････････････････････ 3-4. Installation of the control 3-5. Connection of the operation panel ･････････････････････････････････････ 3-6. - Page 5 8. MAINTENANCE ････････････････････････････････････････････････････････ 36 8-1. Cleaning ･･･････････････････････････････････････････････････････････ 36 8-2. Disposing of oil waste ････････････････････････････････････････････････ 36 9. BAD SEWING CONDITION & ITS CAUSE AND APPENDIX ････････････････････････････････････････････････････････････････ 40 Ref.1. Table cut-out for PLK-E0504 machine ････････････････････････････････ 41 Ref.2. Table and stand ･･･････････････････････････････････････････････････ 41 Ref.3. Stand...
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Page 6: Structure Of The Machine
1. STRUCTURE OF THE SEWING MACHINE PLK-E0504 electronic bar tack machine is constructed with the following main parts. Thread Stand Machine head Half switch Table top Operation panel Control Work holder Steel stand pedal Servo-motor Start foot switch Work holder foot switch... -
Page 7: Specification
2. SPECIFICATION (1) Specification of mechanism : X-Direction (left/right) Sewing area Y-Direction (fore/backward) 50mm 40mm : 2,500 rpm Maximum sewing speed : 10 steps variable from 200 to 2,500 rpm Sewing speed : 0.1 to 12.7 mm Stitch length : Adjustable from 0.1mm to 12.7mm by 0.1mm resolution) : Single needle lock stitch Stitch type : 41.2 mm... -
Page 8: Installation
Please do not operate the sewing machine with excessive modifications from the standard specification. 3-1. Preparation of the table If the table is not MITSUBISHI original, the thickness of the table is required to have 40mm more. And please refer to the cut out table drawing for your own preparation. -
Page 9: Installation Of The Power Switch
3-6. Installation of the power switch If the power switch is purchased without assembling to the table, the power switch has to be attached with the following procedure. (1) Mount the power switch (NO.1) with the wood screw (NO.2) underneath the table as shown on the figure. -
Page 10: Installation Of The Oil
3-8. Installation of the oil pan Insert the oil pan (NO.1) which is enclosed in the accessory box. And settle to the table top by the staples (NO.2). 3-9. Installation of the sewing machine head Caution For the safety, please make sure to carry the sewing machine head by more than two people. (1) Make sure to hold the machine table with the caster stopper. -
Page 11: Putting Across The V-Belt
3-10. Putting across the V-belt Caution For safety purposes, tilting or raising of the sewing machine must always be carried out by two or more workers. Apply a stopper on the leg casters to prevent the table from moving, and then securely support the bed base and the sewing machine head. Hold the work holder frame to prevent it from dropping down when tilting the sewing machine (1) Tilt the sewing machine head to the left, and hold it with the head rest. -
Page 12: Connection Of The Electric Cables
3-11. Connection of the electric cables (1) Connect the white color cable (NO.1) and the black color cable (NO.2) across the printed circuit board unit connectors (NO.4) on the sewing machine head (NO.3) rear face and the connectors (NO.5) on the control box. These cables are enclosed in the accessory box. (2) Remove the stepping motor cover (NO.6) from sewing machine head (NO.3). -
Page 13: Installation Of The Belt
< Back side view of the Control box > Connect with Main motor cable Power supply cable Stepping motor cable Solenoid output cable RS-232C (optional use) Operation panel cable Extension I/O cable Input signal cable Foot switch cable 3-12. Installation of the belt cover (1) Put the small belt cover (NO.1) on the sewing machine head with the setscrew (NO.2) temporally. -
Page 14: Installation Of The Thread Stand
3-13. Installation of the thread stand (1) Assemble the thread stand with the instructions enclosed in the packing. (2) Fit the thread stand (NO.1) in the thread stand hole on the tabletop. (3) Fix the thread stand (NO.1) firmly from the rear side of the table with tightening the nut (NO.4) and the washers (NO.2, 3). -
Page 15: Lubrication
4. LUBRICATION Caution Please make sure to turn power switch OFF before oiling. Please make sure to put some oil before starting the operation of the brand new machine or when the sewing machine is resumed the operation after along interval. NOTE Please use high quality white machining oil. -
Page 16: Proper Operation
5. PROPER OPERATION 5-1. Loading the system software to the control box When the brand new machine is operated first time or when the control box is adjusted for the repairing, the system software has to be loaded to the control box. For this loading, please take the following procedure. -
Page 17: Threading The Upper Thread
5-3. Threading the upper thread Caution ★Please make sure to turn the power switch OFF before threading the upper thread. Please thread the upper thread with referring to the below figures. 5-4. Winding the bobbin thread Please make sure to pull the upper thread out of the needle before winding the bobbin (1) Turn the power switch ON. - Page 18 (7) Press key on the operation panel. Then presser foot goes down automatically, and wind mode window will be appeared. (8) Step on the black color foot switch (NO.5) again to make work holder down. (9) Step on the gray color start foot switch (NO.6).
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Page 19: Setting The Bobbin
5-5. Settling the bobbin (1) Set the bobbin (NO.2) into the bobbin case (NO.1). (2) Pull the bobbin thread (NO.3) into the slit (NO.4) and pass the thread through the thread hole (NO.5). (3) At this time, pull the bobbin thread (NO.3) then, check with the bobbin (NO.2) if it is rotated to the arrow direction. -
Page 20: Proper Sewing
6. PROPER SEWING 6-1. Operation of the halt switch If an incident such as a thread breakage, needle breakage and any other incidents are happened during the sewing operation, please hit immediately the halt switch. The sewing machine running is stopped instantly. Caution ★Before start the sewing operation, please make sure the location of the halt switch and keep it in mind the function and how to use it. -
Page 21: The Sewing Operation
Caution ★ Depending on the shape of the work holder, the collision may be happened with the work holder (NO.5) and the presser foot (NO.6) while the work holder is on the way back to the home position. For avoidance of this accident, before starting the sewing operation, program the work holder returning home with the operation panel of the control... - Page 22 (4) Insert the sewing material under the work holder (NO.3) then, step on the black color foot switch (NO.4). The work holder comes down to press the sewing material. NOTE If the sewing material has to be reset, step the black color foot switch (NO.4) again then, the work holder (NO.3) goes up to release the sewing material.
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Page 23: Adjustment Of The Thread Tension
6-3. Adjustment of the thread tension The thread tension between the upper and bottom thread should be balanced in the best condition. When the upper thread tension is well balanced with the bobbin thread tension, both threads are interlocked along the centerline of fabric layers as shown on the below figures. NOTE Normally weaker bobbin thread tension brings better sewing quality. -
Page 24: Standard Adjustment
7. STANDARD ADJUSTMENT Please make sure to turn the power switch OFF before adjust the sewing machine. If the adjustment is required under the power switch is ON, keep the start foot switch away from the foot. Be careful not to be wounded by the needle or the inner hook point. Please make sure to put the safety guards (Eye guard, Belt guard and finger guard etc.) back on the original location after the sewing machine adjustment. -
Page 25: Adjustment Of The Position Between The Needle And The Shuttle
7-2. Adjustment of the position between the needle and the shuttle hook (1) Turn the power switch OFF. (2) Turn the sewing machine pulley by hand then, move up the needle bar (No.1) from the lowest position and stop it at the position (No.2) where the needle bar timing mark C is matched to the needle bar bushing bottom line. -
Page 26: Adjustment Of The Clearance Between The Shuttle Hook And The Needle
7-3. Adjustment of the clearance between the shuttle hook and the needle (1) Please take the same procedures as above paragraph 7-2. from (1) to (5). (2) Loosen the outer hook setscrew (No.3) and turn the eccentric pin (No.4) so that the clearance between the shuttle hook point and the needle becomes 0.05~0.1mm. -
Page 27: Adjustment Of The Thread Guide
7-5. Adjustment of the thread guide (1) Remove the E-shaped snap ring (No.3) which is engaging the movable knife (No.2) and the link (No.1) then, loosen the setscrews (No.4) and remove the sliding plate (No.5). (2) Loosen the setscrews (No.10) and move the thread guide (No.6) to the position where the needle center line (No.8) divides the needle groove (No.7) evenly and the rear side line (No.9) of the needle is aligned with the shoulder (No.9) of the thread guide (No.6). - Page 28 (1) Turn the power switch OFF. (2) Remove the face plate (No.1) and the cover (No.2). (3) Turn the sewing machine pulley by hand and stop the needle bar (No.3) at the lowest position. At this time, make sure the setscrew (No.5) of the eccentric cam (No.4) is positioned right beside the center line of the upper shaft.
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Page 29: Adjustment Of The Presser Foot Lift During The Sewing
NOTE If the thickness of the sewing material changes very often, it is recommended to take the easy way for the adjustment of the presser foot position with the method that change only the fixed position of the presser foot after fixed the presser foot bar at higher position. -
Page 30: Adjustment Of The Presser Foot Timing
7-6-3. Adjustment of the presser foot timing NOTE The presser foot up and down movement during the sewing synchronizes with the needle up and down movement. With changing this synchronized timing to the sewing materials, the skip stitches can be prevented or the seam tightness can be improved. For example, the delay of the presser foot timing against the needle movement prevents the skip stitches especially to the thin materials, and the advance of the presser foot timing can improve the seam tightness especially to the thick materials. -
Page 31: Adjustment Of The Wiper
7-7. Adjustment of the wiper (1) Loosen the wiper setscrew (No.3) and adjust the wiper (No.1) to be positioned where the wiper (No.1) passes under the needle point (No.2) with about 2mm clearances right after the sewing machine is stopped running at the needle upper position (the thread take up lever's highest position). -
Page 32: Adjustment Of The Bobbin
7-8. Adjustment of the bobbin winder (1) Adjustment of the winding volume Loosen the setscrew (No.2) of the adjusting lever (No.1) and adjust the position of the adjusting lever (No.1). If move the adjusting lever (No.1) to the arrow direction "a", the winding volume is reduced, and if move the adjusting lever (No.1) to the arrow direction "b", the winding volume is increased. -
Page 33: Adjustment Of The Trimmer Cam Follower
7-10. Adjustment of the trimmer cam follower (1) Turn the power switch OFF and remove the top cover. (2) Under the sewing machine regular stop condition (the needle stop position is upper and the take up lever stop position is highest), loosen the setscrew (No.5) of the cam follower lever (No.4) and adjust the cam follower (No.2) to be positioned to contact with the shoulder portion (No.3) of the trimmer cam (No.1) with having about 1mm clearance between the cam follower (No.2) and the trimmer cam (No.1). -
Page 34: Adjustment Of The Fixed Knife
7-12. Adjustment of the fixed knife position (1) Open the cylinder cover (No.1). (2) Remove the E-shaped snap ring (No.4), which engages the movable knife (No.2) and the link (No.3). (3) Loosen the setscrews (No.5) then, remove the sliding plate (NO.6). (4) Turn the sliding plate (No.6) upside down and loosen two setscrews (No.9) then, adjust the fixed knife (No.10) position to be positioned for the blade edge (No.7) to have the clearance 0.5mm from the edge of the needle plate (No.8). -
Page 35: Adjustment Of The Thread Tail After The Trimming
7-15. Adjustment of the thread tail after the trimming Adjust the thread tail (No.3) from the needle after the trimming with turning the nut (No.2) of the pre-tension (No.1). If turn the nut (No.2) to the clockwise, the thread tail becomes shorter and if turn the nut (No.2) to the counter-clockwise, the tread tail becomes longer. -
Page 36: Adjustment Of The
(2) Fully turn the crank (No.3) of the rotary solenoid (No.2) in the arrow direction. At this time, adjust the upper thread tension release for the discs to be opened 0.8~1.0mm. (3) For this adjustment, loosen the nut then, if tighten the nut , the discs opening becomes wider and if loosen the nut , it becomes narrower. -
Page 37: Adjustment Of The Mechanical Home Position
7-19. Adjustment of the mechanical home position NOTE The mechanical home position (NO.1) is fixed at the center of the sewing area when the sewing machine is shipped from the factory. However, it can be moved within the area covered with diagonal lines (NO.2). [Rear side] (1) Original home position (2) Adjustable... -
Page 38: Shifting The Mechanical Home Position
7-19-1. Shifting the mechanical home position to the X direction (1) Remove the right cover on the machine bed casting. (2) Loosen two setscrews (NO.1) and adjust the X-detector (NO.2) position. If the X-detector is moved to the right, the mechanical home position is shifted to the left (arrow - A direction in below figure). -
Page 39: Adjustment Of The X-Y Contact Pressure
7-20. Adjustment of the X-Y contact pressure NOTE When take the X-Y table apart or the X-Y table became weak in the joints, adjust the X-Y table contact pressure. The adjustment should be made the X-Y table movement as smooth as possible without having play. If the X-Y table contact pressure is too tight, the over pressure induces the out of control on the X-Y table movement. -
Page 40: Adjustment Of The Y Stepping Motor
7-21-2. Adjustment of Y stepping motor position (1) Remove the motor cover. (2) Loosen four setscres of the Y-stepping motor adapter (NO.2). (3) Press the Y-motor adapter (NO.2) to arrow direction lightly. (4) Fasten the setscrews (NO.4) securely, and put the motor cover to original position. NOTE After the adjustment, please make sure that there is no gap in the gear mechanism. -
Page 41: Maintenance
8. MAINTENANCE Caution Please make sure to turn the power switch always OFF when clean up the sewing machine. Before or after the sewing operation, clean up the sewing machine and check the oil level in the oil tank. 8-1. Cleaning (1) Turn the power switch OFF. -
Page 42: Bad Sewing Condition & Its Cause And
9. BAD SEWING CONDITION & ITS CAUSE AND REMEDY Please fix the troubles during the sewing machine operation with referring to the NOTE following instructions. Beside, if the trouble conditions are not coming under these classification, please contact the sewing machine dealers nearby. Ref. - Page 43 Ref. page Bad condition Cause Remedy & Item Too short bobbin thread by Use non racing spring with ---- bobbin spinning at trimming bobbin Loosen bobbin thread tension Bobbin thread tension is too tight 6-3(1) spring Decrease pre-tension 7-15 Adjust trimmer cam position 7-10 Skip stitch Adjust synchronizer position...
- Page 44 Ref. page & Bad condition Cause Remedy Item Upper thread tension is not tight 6-3(2) Increase upper thread tension enough Adjust tension regulator 7-17 Thread tension regulator’s discs position properly Adjust upper tension release are opened during sewing 7-17 position properly Stitch forming is Adjust needle and shuttle Needle and shuttle hook is in wrong...
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Page 45: Appendix
Ref.1 ··············· Table cut-out for PLK-E0504 machine Ref.2 ··············· Table and stand Ref.3 ··············· Stand components NOTE Tabletop and stand must be produced refer to below drawings. Recommendable measurements for original MITSUBISHI tabletop and stand are shown in the figures. － －... -
Page 46: Ref.1. Table Cut-Out For Plk-E0504 Machine
Ref.1 <Table cut-out for PLK-E0504 machine> Ref.2 <Table and stand> Fi g. N o D escri pti on Q ty. Tabl e Top S tand ( A ) S tand ( B ) S upport fram e ( A ) -
Page 47: Ref.3. Stand
Ref.3 <Stand components> (472.3) Stand (A) Description H01: SPCC 2.3T Material H02: SPCC 2.3T 101: WELD NUT M8 Surface Treatment Paint(unti-corrosion) Caution String chamfer, except as noted (chamfer slightly) Trigonometry 2-φ6 9-φ11 9-Weld Nut M8 DIVISION OF DIM LIMIT to 100 ±0.4 over 100 to 300 ±0.5... - Page 48 2-M12 +0.3 60.5 (60.5) 36.5 Stand (B) Description H01: SPCC 2.3T Material H02: SPCC 2.3T H03: SPCC 2.3T H04: SPHC 4.5T 101: WELD NUT M8 Surface Treatment Paint(unti-corrosion) Caution String chamfer, except as noted (chamfer slightly) Trigonometry DIVISION OF DIM LIMIT to 100 ±0.4...
- Page 49 Description Bolt with SW-PW (large) Description Bolt with SW-PW (small) M8 X 20 M8 X 20 Material SS100 Material SS100 Surface Treatment Electroplated Coating Surface Treatment Electroplated Coating Trigonometry Trigonometry M8ネジ Description Screw plate (A) Description Wide-rimmed washter (large)8 Material SPHC 4.5T Material SPCC 2.6T...
- Page 50 Description Shaft housing Material SPHC 4.5T Surface Treatment Elactroplated Coating Caution String chamfer, except as noted (chamfer slightly) Trigonometry φ8.5 (4.5t) +0.3 φ8 DIVISION OF DIM LIMIT to 100 ±0.4 over 100 to 300 ±0.5 over 300 to 1000 ±0.7 over 1000 ±1.0 -0.3...
- Page 51 Description Caster Description Staple (L) Material RUBBER WHEEL Material SWM-N 2.3D 2003 Permitted load: 40Kg (per each) PVC coating Lock mechanism is requireda Trigonometry Trigonometry CASTER Description Washer 12 415EA-Rφ75(HAMMER) Material SWRH62~72 Surface Treatment Elactroplated Coating Trigonometry SWM-N 2.3D 2003 Description Wood screw 5.8X32 Material...
- Page 52 MITSUBISHI ELECTRIC CORPORATION FACTORY AUTOMATION SYSTEM OFFICE TOWER “Z” 14F 8-12 1chome, Harumi CHUO-KU, TOKYO 104-6212, JAPAN Phone : +81-3-6221-6060 Fax : +81-3-6221-6076...
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