Kitagawa SC-S Series Instruction Manual
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Kitagawa SC-S Series Instruction Manual

Scroll work gripper
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INSTRUCTION MANUAL
SC-S
Scroll Work Gripper
DANGER
・ This instruction manual is for production engineers and maintenance
personnel in charge of operation of this product. When a beginner uses
this product, receive instructions from experienced personnel, the
distributor or our company.
・ Before installing, operating or maintaining this equipment, carefully
read this manual and the safety labels attached to the equipment.
Failure to follow these instructions and safety precautions could result
in serious injury, death, or property damage.
・ Store this manual near equipment for future reference.
・ If any questions related to safety arise about this manual, please
confirm them with the distributor or our company.
Kitagawa Corporation
77-1,Motomachi,Fuchu -shi,Hiroshima,726-8610 Japan
type
TEL +81-(0)847 -40-0561
FAX +81-(0)847-45-8911
Version 1.02 (2024.05.01)

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Summary of Contents for Kitagawa SC-S Series

  • Page 1 ・ Store this manual near equipment for future reference. ・ If any questions related to safety arise about this manual, please confirm them with the distributor or our company. Kitagawa Corporation 77-1,Motomachi,Fuchu -shi,Hiroshima,726-8610 Japan TEL +81-(0)847 -40-0561 FAX +81-(0)847-45-8911...
  • Page 2 Preface This manual provides detailed information on the Scroll Work Gripper (SC-S type) to help understand its performance and functions and to use it safely and correctly. Before using the Scroll Work Gripper, read this instruction manual carefully to understand how to use the gripper correctly.
  • Page 3 The guarantee period of this product shall be 1 year after delivery. Use the parts delivered by Kitagawa Corporation for all the parts including consumable parts. We will not assume responsibility for injury, death, damage, or loss caused by usage of parts not manufactured by Kitagawa Corporation.

  • Page 4: Table Of Contents

    Table of Contents 1. Structural Drawing and Parts List -----------------------------------------------------------------------5 1-1. Type display 1-2. Structural drawing 1-3. Parts list Important Safety Precautions ------------------------------------------------------------8 3. Specifications ----------------------------------------------------------------------------------------------12 3-1. Specifications 3-2. Gripping range 3-3. Relationship between handle torque and gripping force 4. Forming Soft Jaw ------------------------------------------------------------------------------------------14 4-1.
  • Page 5 For Machine Tool Manufacturers (Chapter 8) 8. Attachment -------------------------------------------------------------------------------------------------26 8-1. Outline drawing of attachment 8-2. Manufacturing of back plate 8-3. Installation of scroll work gripper 9. Other Information -----------------------------------------------------------------------------------------29 9-1. Information about markings of product 9-2. About disposal...

  • Page 6: Structural Drawing And Parts List

    1. Structural Drawing and Parts List 1-1. Type display Type display as shown below Fig.1 1-2. Structural drawing Fig.2...

  • Page 7: Parts List

    1-3. Parts list Fig.3...
  • Page 8 Table 1 Part Name Quantity Body Cover Scroll Pinion Pinion A Pinion cover Pinion case Soft jaw Master jaw Handle Scroll work gripper mounting bolt Jaw mounting bolt Cover mounting bolt Pinion case mounting bolt Grease oil cup Knock pin...

  • Page 9: Important Safety Precautions

    ２． Important Safety Precautions Important safety precautions are summarized below. Please read this section before first starting to use this product. Failure to follow the safety precautions below will result in DANGER serious injury or death. Turn off main power supply before attaching, inspecting or replacing scroll work gripper, and before adding oil.
  • Page 10 Important Safety Precautions Failure to follow the safety precautions below will result in DANGER serious injury or death. Always tighten the bolts at the specified torque. If the torque is insufficient or excessive, the bolt will break, which is dangerous as the scroll work gripper or workpiece will fly off.
  • Page 11 Important Safety Precautions Failure to follow the safety precautions below could WARNING result in serious injury or death. The gripping force required for machining must be determined by the machine manufacturer or user through trial cutting, and it must be confirmed that the necessary gripping force is For All Users obtained before machining.
  • Page 12 Important Safety Precautions Failure to follow the safety precautions below could WARNING result in serious injury or death. Do not modify the scroll work gripper in a way not permitted by the manufacturer. For All Users  It may not only break the scroll work gripper but the scroll work gripper jaw and workpiece may fly out, which is dangerous.

  • Page 13: Specifications

    3. Specifications 3-1. Specifications Table 2 Type SC-3S SC-4S SC-5S Maximum static gripping force 12.0 Thru-hole diameter Mass Maximum permissible N・m 18.1 27.5 39.2 handle torque Reference: 1kN = 101.97kgf When storing this product, the product should be subjected to the antirust treatment and stored in a place free from wetness, condensation, or freeze.

  • Page 14: Relationship Between Handle Torque And Gripping Force

    ・ Tightened at the maximum permissible handle torque. ・ The numerical values are obtained with the Kitagawa gripping force meter. The gripping position of the gripping force meter is at a position 1/2 of the height of the jaw top surface (height from the scroll work gripper surface to the top surface of the jaw).

  • Page 15: Forming Soft Jaw

    4. Forming Soft Jaw 4-1. Soft Jaw Installation Use the most appropriate soft jaw considering the shape, dimension, material, and surface roughness of the work and the cutting conditions, etc.  Be sure to use the scroll work gripper at the above permissible protruding range (Table 4).
  • Page 16  Always tighten the bolts at the specified torque. If the torque is insufficient or excessive, the bolt will break, which is dangerous as the scroll work gripper or workpiece will fly off. Table 5 Bolt size Tightening torque N・m N・m N・m...

  • Page 17: Forming Soft Jaw With Outside Diameter Gripping

    4-2. Forming soft jaw with outside diameter gripping 1. Preparation of the plug for forming ・ Prepare the plug for forming. The surface roughness of the plug outside diameter is to be approximately 25s, and make a shape with sufficient thickness which does not distort. ・...

  • Page 18: Forming Soft Jaw With Inside Diameter Gripping

    4-3. Forming soft jaw with inside diameter gripping 1. Preparation of the ring for forming ・ Prepare the ring for forming. The surface roughness of the ring inside diameter is to be approximately 25s, and make a shape with a sufficient thickness which does not distort. ・...

  • Page 19: Forming Method When You Use Forming Jig

    4-4. Forming method when you use forming jig 1. Preparation of the jig for forming ・ Prepare the jig for forming. (There is a commercially available product.) ・ Attach the pin (Example 1) or the bolt and nut (Example 2) by dividing equally into 3 portions onto the ring shape plate.

  • Page 20: Usage

    5. Usage This product is a device to fix a workpiece when it is processed on a machining center. The manual handle allows the jaws to be moved toward the closing side, gripping the workpiece, and fixing the workpiece so that it does not move during machining. After processing, move the jaws to the open side and remove the workpiece.

  • Page 21: Precautions Regarding Use Of Jaws

    5-3. Precautions regarding use of jaws ・ If a soft jaw other than one made by Kitagawa Corporation is used, the engagement will be inferior, and the gripping precision will worsen, and the work may fly out due to poor gripping, which is dangerous.

  • Page 22: Installation Of Locator And Jig

    5-5. Installation of locator and jig ・ In the case of attaching locator and jig on the scroll work gripper body surface, tap or drill a hole in the allowable additional process range specified in Fig. 6. Fig.6 Table 6 形式...

  • Page 23: Maintenance And Inspection

    6. Maintenance and Inspection 6-1. Periodic Inspection ・ Lubricate with grease at least once a day. ・ Always clean the scroll work gripper body and the sliding surface with an air gun, etc., at the end of work. ・ If chips of foreign matter is caught inside the scroll work gripper （scroll, gear part）, disassemble and clean it immediately.
  • Page 24 Assembly procedures For reassembly, lubricate using the recommended grease sufficiently and perform the disassembly procedure in reverse order. Be careful to match the body [1] and master jaw [9] numbers. Also, tighten each bolt to the specified torque as shown in Table 7. Refer to page 27 (8-3.

  • Page 25: Malfunction And Countermeasures

     After inspection, sufficiently lubricate with grease and reassemble.  After assembly, measure the gripping force according to the method on page 13 and confirm that the specified gripping force is obtained.  If the machine is stopped for a long period of time, remove the workpiece from the machine.

  • Page 26: Where To Contact In Case Of Malfunction

     If the scroll work gripper failed due to a seizure or breakage, remove the scroll work gripper from the machine, following the disassembly steps in page 22. When the scroll work gripper cannot be removed due to a blockage of workpiece, do not disassemble forcibly but please contact us or our agent.
  • Page 27 For Machine Tool Manufactures Following pages are described for machine tool manufacturers (personnel who attach a scroll work gripper to a machine). Please read following instruction carefully when you attach or detach a scroll work gripper to machine, and please sufficiently understand and follow the instructions for safe operation.
  • Page 28 Fig.8 Table 9 C (g6) Type SC-3S 3-M6 SC-4S 3-M8 SC-5S 3-M8 8-3. Installation of scroll work gripper 1. Back plate installation ・ Tighten the back plate mounting bolts evenly. Make sure that the bolts are tighten to the specified torque. 2.
  • Page 29  Use the bolts attached to the scroll work gripper, and do not use other bolts. However, if you must use other bolts not provided by Kitagawa, use bolts that have at least the strength classification of 12.9 (10.9 for M22 or more) and be sure that it have sufficient length.
  • Page 30 9. Other information 9-1. Information about markings of product Fig.11 9-2. About disposal Ultimate disposal of this product should be handled according to all national laws and regulations.
  • Page 31 The products herein are controlled under Japanese Foreign Exchange and Foreign Trade Control Act. In the event of importing and/or exporting the products, you are obliged to consult KITAGAWA as well as your government for t he related regulation prior to any transaction.

This manual is also suitable for:

Sc-4sSc-5sSc-3s

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