SCHUNK MFT Assembly And Operating Manual

SCHUNK MFT Assembly And Operating Manual

Polishing spindle
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Translation of the original manual
Assembly and operating manual
MFT
Polishing Spindle

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Summary of Contents for SCHUNK MFT

  • Page 1 Translation of the original manual Assembly and operating manual Polishing Spindle...
  • Page 2 Imprint Copyright: This manual is protected by copyright. The author is SCHUNK GmbH & Co. KG. All rights reserved. Any reproduction, processing, distribution (making available to third parties), translation or other usage - even excerpts - of the manual is especially prohibited and requires our written approval.
  • Page 3: Table Of Contents

    Boot Replacement .................... 23 Air Motor Replacement .................. 24 Sensor Replacement...................  25 6.5.1 Sensor for monitoring: Spindle extracted (Option-F) ...... 25 6.5.2 Sensor for monitoring: Spindle retracted (Option-R) ...... 26 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 4 Lubrication of the polishing spindle .............. 29 Storage and Preventive Maintenance during Storage........ 29 Troubleshooting ..................... 30 Troubleshooting Matrix.................. 30 Drawings......................... 31 Translation of original declaration of incorporation .......... 35 Glossary of Terms .................... 36 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 5: General

    Dangers for persons! Non-observance can lead to irreversible injury and even death.  CAUTION Dangers for persons! Non-observance can cause minor injuries. CAUTION Material damage! Information about avoiding material damage. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 6: Applicable Documents

    The documents marked with an asterisk (*) can be downloaded on our homepage schunk.com 1.2 Warranty The warranty of the Polishing Spindle MFT is valid for 24 months. This does not apply to the air motor. The air motor is warranted for a period of 1000 hours at not...
  • Page 7: Basic Safety Notes

    Use of unauthorized spare parts Using unauthorized spare parts can endanger personnel and damage the product or cause it to malfunction. • Use only original spare parts or spares authorized by SCHUNK. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 8: Recommended Spare Parts

    Plexiglas to facilitate observation of the manufacturing process. • Be aware of high sound levels. While the Polishing Spindle MFT air motor is not loud, the cutting action associated with many processes frequently is. Always use hearing protection while working in the neighborhood of the production cell.
  • Page 9: Personal Protective Equipment

    2.9 Transportation and Protection during Transportation The MFT is packaged in a crate designed to secure and protect it during transportation. Always use the crate when transporting the MFT in order to minimize the risk of damage.
  • Page 10: Safety Precautions

    • Install a barrier to prohibit people from approaching the MFT while in operation. • Never be present near the MFT while it is started or running. If it is necessary to approach the MFTwhile in motion, stand behind appropriate Plexiglas windows.
  • Page 11: Technical Specifications

    Fast Tightening Chuck size 3/8 " Abrasive media Customer-supplied Sound Pressure Level [dBA] < 75 * No-Load at a Distance of 1.5 meters from Tool 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 12 This will drop to a lower operating speed where it will develop the maximum torque. If the torque required exceeds the maximum available, the motor will stall. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 13 Technical Specifications 1/min Motor Torque Curves 1/min Motor Power Curves 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 14: Description And Function

    The life of this gearbox will be reduced. NOTE Never use the Polishing Spindle MFT in a manner to produce radial loads. Avoid using the Polishing Spindle MFT dfor countersinking or drilling. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 15: Spindle Operation And Media Selection

    The selection of such media is highly dependent upon the work piece material and geometry, and the amount of material to be removed. It is not practical to present all the possibilities in this document. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 16: Assembly And Settings

    6.2 Bar Spindle Filter Lubricator Motor Supply air: Vent to clean, dry, Atmosphere 6.9 bar min. Compliance Cylinders Precision Compliance air Regulator solenoid valve 0-4.2 Bar (4-Way) Pneumatic Connections 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 17 5 meters. Function Connection Type Pressure Motor Inlet G 1/4" 6.2 bar Compliance (Axial) G 1/8" 0.34–4.1 bar (max.) Force Exhaust G 1/4"(High-flow Not Applicable Muffler Supplied) 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 18 0.34 – 4.1 bar. When testing for the proper contact force, start with a very low pressure and increase slowly until the desired process result is achieved. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 19: Electrical Connections

    Assembly and settings 5.3 Electrical Connections The Polishing Spindle MFT tool can be equipped with up to three sensors to monitor spindle position and speed. These include the Forward, Retract, and Tachometer sensors. Each sensor is a PNP type proximity switch using three wire electrical hook-up.
  • Page 20: Initial Operation

    Select media and media holders that position the work piece as close to the Polishing Spindle MFT as possible. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 21: Tool Position And Programming

    Once the path has been confirmed, the compliance force of the media should be adjusted as described in Pneumatic Connection  16] in order to achieve the desired finish. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 22: Maintenance And Repair

    Drawings  31]. 6.2 Media Replacement The Polishing Spindle MFT unit ships with a simple drill chuck to hold customer-supplied media. A standard chuck key is used to loosen and tighten the chuck. Depending on the design, this can be a manual chuck or a key-operated chuck. The manual chuck is operated without tools and can be operated with both hands.
  • Page 23: Boot Replacement

    Position the boot so its locking surfaces engage the grooved Ø boss on both the moving plate and the main housing. Refit both o-rings to secure the boot. Ø 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 24: Air Motor Replacement

    CLOCKWISE from the rear. IMPORTANT! The motor mount uses left-hand threads, rotate CLOCKWISE to remove.. Auf diese Weise wird der Motor von der Frontplatte des ✓ Werkzeugs abgeschraubt. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 25: Sensor Replacement

    1mm to the rear before the sensor will turn off. This may be utilized to insure that the media is in contact with the part to be deburred. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 26: Sensor For Monitoring: Spindle Retracted (Option-R)

    This may be utilized to indicate when excessive brush force is being applied (i.e., the brush has been pushed back so far and so hard that the end of compliance travel has been reached). 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 27: Sensor For Rotation Speed: Tachometer Sensor (Option -T)

    Using the sensor's cable as a tool, rotate the cable Ø counterclockwise to unscrew the sensor and withdraw it to the rear of the tool. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 28: Pneumatic -Lines/-Connections

    Check the oil level in the lubricator daily, adding oil as necessary. The life of the filter elements is dependent on the quality of compressed air at the customer’s facility and therefore cannot be estimated. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 29: Lubrication Of The Polishing Spindle

    The Polishing Spindle MFT should not be disassembled. Place the tool inside a sealed, plastic bag and place the bagged tool inside the crate. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 30: Troubleshooting

    Pressure force too high Decrease width of cut/make multiple passes Compliance exceeded Examine/correct path Decrease air pressure for compensation Sticking spindle Guide rods and pistons Decrease air pressure for contaminated compensation 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 31: Drawings

    Drawings 8 Drawings 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 32 The tachometer is a process development tool and it is not recommended for production environments where the target disk may be demaged by collisions and impacts. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 33 Rear Housing Assembly Designation Ident number MFT-390-OPTION R 0322262 NOTE The retract sensor is "ON" when the spindle is fully backward (Pushed backwards to the limit of travel). 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 34 Thread locker is required anytime fasteners are being re-used. • M8 Set Screw is used if no tachometer kit is installed. Apply Loctite-222 to set screw and install flush with metal plate. 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 35: Translation Of Original Declaration Of Incorporation

    Person authorized to compile the technical documentation: Robert Leuthner, Address: see manufacturer's address Lauffen/Neckar, November 2019 p.p. Ralf Winkler, Manager for development of gripping system components 03.00 | MFT | Assembly and operating manual | en | 389545...
  • Page 36: Glossary Of Terms

    Media unit when in a production Term referring to tools and/or environment. abrasives held by the tool during the completion of a manufacturing process. 03.00 | MFT | Assembly and operating manual | en | 389545...

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