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Uchida Yoko TAPIT-50W Service Manual

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UCHIDA TAPIT-50W
SERVICE MANUAL
UCHIDA YOKO CO., LTD.
June 28,2006
OHKURA KOGYO CO.,LTD.

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Summary of Contents for Uchida Yoko TAPIT-50W

  • Page 1 UCHIDA TAPIT-50W SERVICE MANUAL UCHIDA YOKO CO., LTD. June 28,2006 OHKURA KOGYO CO.,LTD.
  • Page 2 Safety Instructions Definition of Symbols and Notes In this manual following names and signs stand for possible dangers. Danger This Symbol stands for immediate danger threatening the life and health of persons. Disregarding these instructions may cause severe damage to health and even serious injuries.

  • Page 3: Table Of Contents

    Contents Brief Description of Each Section ..................3 1. Reference assembly drawing of each section [Brief functional description of each section] 3 2. Function of each sensor or switch ..................4 3. Inching............................ 5 Adjustment of Main Frame Section ..................6 1.

  • Page 4: Brief Description Of Each Section

    1. Brief Description of Each Section Reference assembly drawing of each section [Brief functional description of each section] 1: Main frame section [Internal side plate, main motor, main spindle] 2: Heater/cutter section [Heater for deposition, tape press-down, tape cutting] 3: Hold plate section [Tape deposition support plate, tape press-down support plate, tape detection] 4: Tape feed/tightening section [Take lead-in, tightening]...

  • Page 5: Function Of Each Sensor Or Switch

    Function of each sensor or switch Main motor Heater transformer OUK-071D Tape feed motor Taper sensor Main spindle sensor A/B Item sensor Near side Sensor name Model No. Function Main spindle sensor A EE-SX670 Detects the main spindle position. Main spindle sensor B EE-SX670 Detects the main spindle position.

  • Page 6: Inching

    Inching Inching is performed by a switch provided on the PCB. While the INCHING switch is pressed, the main motor is operated. After pressing the INCHING switch, press the START switch to return the main spindle to the initial position. The main motor will be operated and the main spindle will be returned to the initial position.

  • Page 7: Adjustment Of Main Frame Section

    2. Adjustment of Main Frame Section Replacement of spindle timing belt 1. Remove the rear table, rear cover, front table and switch panel. M4 x 8 set screw 2. Loosen the main motor mounting screw. 3. After removing the mounting screw fixing the roller pressure cam, remove the roller pressure cam.
  • Page 8 4. Remove the old timing belt and replace it with a new timing belt. 5. Mount the roller pressure cam. 6. Make adjustment according to “2. Adjustment of spindle timing belt.”...

  • Page 9: Adjustment Of Main Spindle Timing Belt

    Adjustment of main spindle timing belt After the main motor or the gear head is replaced, the main spindle timing belt (Hereinafter referred to as the belt) must be adjusted. 1. Tentatively fit the main motor and the gear head loosely using mounting screws and fix the motor side pulley on the gear head spindle.
  • Page 10 3. Pull the main motor backward to uniform the belt tension between on the upper side and on the lower side, and tighten the mounting screws to an extent that the main motor may not be moved easily. 4. Push the middle of the belt lightly on the upper side and lower side with fingers and fix the main motor at the position where the middle of the belt is flexed about 1 to 2 mm.

  • Page 11: Adjustment Of Cutter Section

    3. Adjustment of cutter section Replacement of cutter When the tape is hard to cut, the cutter must be replaced. When replacing the cutter, replace both upper blade and lower blade as a set if possible. 1. Remove the rear table, front table, and switch panel. M4 x8 Set screw 2.
  • Page 12 4. Remove the tension coil springs (2 locations) provided around the heater Remove these two springs. 5. Press the INCHING switch to rotate the main spindle to cause the heater to go to the top dead point. Tape guide Tape guide 6.
  • Page 13 8. While opening the tape guide by hand, take out the tape press-down section 9. Remove the tape cutter while taking care not to cause the springs to jump out, and then install a new tape cutter. 2. Remove the cutter while holding these springs by hand so as not to cause them to jump out and be lost.
  • Page 14 10. Remove the tension coil spring of the tape press-down section, remove the cap bolts provided on the tape holder (1), and install a new tape holder (1) Pan-head screw M4x16 Nut M4 Cap bolt M4 x 8 Spring washer 4 Stainless spacer CU-406 11.
  • Page 15 14. Remove the tension coil spring removed in step 4. Wire diameter: 1.2mm Spring diameter: 9.2mm Wire diameter: 1.2mm Spring diameter: 11.2mm 15. Install the connection line at the heater connecting terminal. M4 x 8 cap bolt (Sems) Flat washer φ 4 (small round Tighten it firmly to prevent a connection fault 16.

  • Page 16: Adjustment Of Heater

    4. Adjustment of heater Replacement of heater When the tape is hard to deposit, the heater must be replaced. 1. Remove the rear table and front table. 2. Remove the hold plate. 3. Remove the tension coil spring provided around the heater. Remove this spring.
  • Page 17 4. Press the INCHING switch to rotate the main spindle to cause the heater to go to the top dead point. Tape guide Tape guide 5. Turn the power switch off. 6. Hoist the heater section to the position where the heat fitting screws can be loosened. 7.
  • Page 18 9. Push in the heater section. 10. Install the tension coil spring removed in step 3. Wire diameter: 1.2mm Spring diameter: 11.2mm 11. Turn the power switch on and set the main spindle to the initial position. 12. Install the hold plate. Slide plate Hold plate Slide Fixture...

  • Page 19: Adjustment Of Hold Plate Section

    5. Adjustment of hold plate section Position check of sensor mounting plate If the hold plate section (1) and the press-down plate (2) are not properly positioned, the tape will not be held firmly, and, the deposition section will deviate or the tape will get out of place when tightening it.
  • Page 20 4. Stretch the tape and check that there is no difference in nipping force between the near side and the far side. Hold plate × ○ × Table If the tape can be stretched straight, it is OK. If the tape is curved, it must be adjusted. 5.

  • Page 21: Adjustment Of Sensor Mounting Plate

    8. Stretch the tape and check that there is no difference in nipping force between the near side and the far side. × Hold plate ○ × If the tape can be stretched straight, it is OK. If the tape is curved, it must be adjusted. 9.
  • Page 22 3. If the tape is curved toward the near side when it is stretched, raise the mounting plate a little. Hold plate 4. If the tape is curved toward the far side when it is stretched, lower the mounting plate a little. Hold plate 5.
  • Page 23 plate a little. Hold plate 8. If the tape can be drawn straight, fix the mounting plate. Check again that the tape can be drawn straight after the mounting plate is fixed. Fix the plate. 9. After the mounting plate is fixed, check that the front edge of the hold plate and the hold plate guide are not off.

  • Page 24: Adjustment Of Tape Detecting Plate

    Adjustment of tape detecting plate If the tape detecting plate cannot move smoothly or its position is not proper, the TAPE SET lamp lights after the tape is pulled out or the TAPE SET lamp does not light when a tape is set. In these cases, the tape detecting plate must be adjusted.
  • Page 25 4. Install the hold plate. Slide plate Hold plate Slide fixture Insert the slide fixture into the push nut of the spring pin. View from Link the near side 5. Insert 10 to 20 cm of cut tape into the guide and feed the tape until it touches the tape detecting plate.

  • Page 26: Adjustment Of Tape Reel Section

    6. Adjustment of tape reel section Replacement of tape brake. 1. Remove the rear cover. 2. Loosen the set screws fixing the brake shoe and take out the brake shoe, spacer and shim. Shim t0.1mm Spacer 3. Pull out the brake shaft.
  • Page 27 4. Remove the screws fixing the brake main unit and remove the brake. Then install the two ball bearings contained in the brake main unit on a new brake, and fix the brake on the main unit. Ball bearing W6800ZZA Tape Reel Frame M3 x 6 (Wsems) 5.

  • Page 28: Adjustment Of Tape Break

    2. Adjustment of tape break If the tape break does not work effectively, adjustment of clearance will be required. 1. Remove the rear cover. 2. Check the clearance between the brake main unit and brake shoe and if it is not in the range of 0.15 to 0.25mm, adjust the number of shims so that it is within the range of 0.15 to 0.25mm.

  • Page 29: Adjustment Of Tape Guide Section

    7. Adjustment of tape guide section Adjustment of wire If the wire of the tape guide section is stretched, the guide opening timing will be delayed or the guide opening will not be enough. 1. Remove the top cover. 2. Loosen the fixing screws of the bearing shaft. Loosen the cross recessed hexagon head bolt M4 x 8 (W sems).

  • Page 30: Adjustment

    8. Adjustment Installation of foot switch To install the foot switch, insert the plug of the foot switch into the metal plug socket provided at the rear side of the main unit, then lock it. Starter Switch Four switches are used for the starter switch. While these four have the same model number, spring is pulled out from within two of them.

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