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      3HAC5954-1

      IRB 4400 Axis 2/3 Elmo Motor Unit with Pinion
      In Stock
      Ships by Saturday, September 19
      Fast Shipping Available

      Product Describe：

      ABB 3HAC5954-1 is an Elmo motor unit with pinion specified for axes 2 and 3 of the IRB 4400 robot. It provides the axis motor-and-brake assembly that must be mechanically adjusted, reconnected, recalibrated and test-run after replacement.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for 3HAC5954-1

      Technical specifications for 3HAC5954-1

      • Manufacturer:
        ABB
      • Product Category:
        Robot system
      • Spare Part Number:
        3HAC5954-1
      • Estimated shipping dimensions:
        9.2x9.2x2.5cm
      • Weight:
        0.1 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Sweden
      • Robot model:
        IRB 4400
      • Equipment:
        Motor unit, axes 2 and 3
      • Motor execution:
        Elmo
      • Included component:
        Pinion
      • Color:
        ABB Orange
      • Brake-release supply:
        24 VDC, 1.5 A
      • Axis 2 connector:
        R3.MP2
      • Axis 3 connector:
        R3.MP3
      • Brake-release pins:
        Pin 7 (+24 V); pin 8 (0 V)
      • Attachment screws:
        2 x M10x70; 2 x M10x30
      • Tightening torque:
        60 Nm
      • O-ring:
        21520431-11
      • Axis 2 flange sealing:
        Loctite 574; 12340011-11
      • Axis 3 flange sealing:
        Loctite 574; 12340011-116
      • Standard toolkit:
        3HAC17594-1
      • Measuring tools:
        3HAB7887-1 or 3HAB1408-1
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      3HAC5954-1 provides the documented Elmo motor-and-pinion replacement assembly for either axis 2 or axis 3 of an ABB IRB 4400 robot.
      • Provides the motor-and-pinion drive unit for either axis 2 or axis 3
      • Contains the motor brake that must be managed while securing the arm system
      • Requires controlled motor-to-gear adjustment before final fastening
      • Returns the serviced axis to operation only after recalibration and test run

      Service work is performed at the selected IRB 4400 axis with the arm system secured, power and other energy isolated, and the matching axis connector documented. The replacement sequence covers sealing, motor-to-gear adjustment, fastener torque, oil restoration, calibration and a controlled test run.

      Important Notice: Confirm 3HAC5954-1, IRB 4400 host, axis 2 or axis 3 position, Elmo hardware execution, pinion and gear condition, R3.MP2/R3.MP3 connector assignment, 24 VDC brake-release wiring, grounding, O-ring and flange sealing, motor adjustment, fastener torque, oil level, robot calibration and controlled test-run results before commissioning.

      Apter Power 3HAC5954-1 Manuals and Guides

      The first document is an Apter Power exact-part technical reference. The second opens the original ABB IRB 4400 product manual containing the axis 2 and axis 3 motor replacement, adjustment, calibration and test-run procedures.

      IRB 4400 axis 2 motor replacement
      Restores the documented axis 2 drive assembly with the matching connector and brake-release procedure.
      IRB 4400 axis 3 motor replacement
      Replaces the specified axis 3 motor unit while preserving the separate sealing and connection record.
      Axis motor and drive-gear service
      Supports coordinated inspection and adjustment where the motor pinion engages the robot drive gear.
      Post-replacement robot acceptance
      Provides the exact article identity for calibration, diagnostic review and a controlled test run.
      Read the applicable ABB installation instructions before work. Verify 3HAC5954-1, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
      1
      Confirm the complete 3HAC5954-1 marking, Elmo execution and whether the work is on IRB 4400 axis 2 or axis 3.
      2
      Switch off electrical, hydraulic and pneumatic supplies and confirm the robot is protected from uncontrolled movement.
      3
      Secure the arm system or upper arm before loosening the motor because the brake is contained in the motor unit.
      4
      Protect the pinion and gear wheel and do not use excessive force while mating the motor to the drive gear.
      5
      Do not interchange Elmo and Yaskawa motor units; ABB states that these executions are not compatible.
      6
      Preserve the motor label orientation, selected axis connector, O-ring and axis-specific flange-sealing arrangement.
      7
      Adjust the motor, tighten the specified M10 fasteners to 60 Nm and refill or verify the drive-gear oil before energization.
      8
      Recalibrate the robot, review axis diagnostics and complete a controlled test run before production release.

      Alternative Names

      Alternative Names

      ABB 3HAC5954-1 IRB 4400 motor unit axes 2 and 3

      Technical notes

      Technical notes

      Secure the arm system before removing 3HAC5954-1 because the axis brake is incorporated in the motor and is released when the motor is removed. Install the Elmo execution without forcing the motor-to-gear engagement, adjust the motor as specified, restore oil, recalibrate the robot and complete a controlled test run.

      FAQS

      • How can the complete ABB 3HAC5954-1 identity be verified before replacement?
        Check the spare-part marking, confirm IRB 4400, identify axis 2 or axis 3, and verify that the installed and replacement motor units are the Elmo execution with pinion.
      • Can ABB 3HAC5954-1 replace a Yaskawa motor unit on an IRB 4400?
        No. The ABB IRB 4400 manual states that Elmo and Yaskawa motor units are not compatible; the installed motor execution must be matched before replacement.
      • What must be secured before removing ABB 3HAC5954-1 from axis 2?
        Isolate all energy and secure the complete arm system, because the axis brake is incorporated in the motor and is released when the motor is removed.
      • What must be secured before removing ABB 3HAC5954-1 from axis 3?
        Isolate all energy and secure the upper arm before the motor is loosened, then use the documented axis 3 brake-release and removal sequence.
      • Which brake-release connections apply to ABB 3HAC5954-1?
        Use the selected axis motor connector: R3.MP2 for axis 2 or R3.MP3 for axis 3. The manual identifies pin 7 for +24 V and pin 8 for 0 V, using a 24 VDC, 1.5 A supply.
      • Which installation hardware is documented for ABB 3HAC5954-1?
        The procedure lists O-ring 21520431-11, two M10x70 screws, two M10x30 screws, a 60 Nm tightening torque and axis-specific Loctite 574 flange sealing.
      • How should ABB 3HAC5954-1 be fitted to the IRB 4400 drive gear?
        Keep mating surfaces clean, align the motor and gear carefully, avoid excessive force, complete the specified motor adjustment and only then finish tightening and restore the drive-gear oil.
      • What commissioning work is required after installing ABB 3HAC5954-1?
        Reconnect the documented motor cable, verify oil and mechanical assembly, recalibrate the robot, review axis diagnostics and complete a controlled test run before returning the robot to production.
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      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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