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Copy| Product Name | ABB TS225R 3HAC031074-004 IRB 4600 Axis-3 Reduction Gear |
| Item NO. | 2930108 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | ABB |
| Brand | ABB |
| Creation Time | 2026-11-05 |
IRB 4600 Axis-3 Reduction Gear documented for ABB IRB 4600 axis-3 drive.
ABB TS225R 3HAC031074-004 is an axis-3 reduction gear documented for specified IRB 4600 executions other than Type C. Installed between the axis-3 motor pinion and arm structure, the TS225R gear reduces motor speed by the documented i=137 ratio and transfers the resulting torque into the robot's third-axis movement.
The input and output interfaces of ABB TS225R 3HAC031074-004 preserve the mechanical relationship between servo motor, reduction stage and arm. Motor feedback remains in the electrical drive loop, while the gearbox carries physical motion; correct alignment and backlash condition allow the controller's measured position to correspond to actual arm movement.
Before ABB TS225R 3HAC031074-004 is removed, the axis is placed in the documented service position and restrained. The mating surfaces and supplied O-ring are inspected during assembly, then axis-3 calibration, leakage, sound and controlled travel are checked before normal-speed operation.
| Technical item | Specification |
|---|---|
| Brand | ABB |
| Model | TS225R 3HAC031074-004 |
| Product name | IRB 4600 axis-3 reduction gear |
| Country | Switzerland / Sweden |
| Robot family | IRB 4600 |
| Installed axis | Axis 3 |
| Gear type | TS225R |
| Reduction ratio | i = 137 |
| Documented design | Other than Type C |
| Input interface | Axis-3 motor pinion |
| Output interface | Axis-3 arm structure |
| Service seal | Replacement gearbox O-ring |
| Verification | Calibration, leakage and controlled travel |
ABB TS225R 3HAC031074-004 converts axis-3 motor rotation into the speed and torque relationship required by the IRB 4600 arm. Its fixed 137:1 mechanical reduction, mounted interfaces and connection to the servo feedback chain determine how commanded motor motion appears at the loaded axis structure.
The TS225R gear train reduces input speed at the fixed i=137 ratio before rotation reaches the third-axis structure. Because this relationship is mechanical, it cannot be corrected by changing a software value; the controller configuration and calibration must correspond to the installed gear execution.
The reduction trades motor speed for the output torque needed to raise and position the connected arm. Load passes from the motor pinion through the gear train to the arm-side interface, so tooth condition, lubrication and secure mounting influence how smoothly torque changes direction under servo control.
Motor feedback describes drive-side movement while the gear determines the actual arm response. Correct seating and controlled backlash keep those positions related; looseness, damaged interfaces or calibration loss can appear as following error, direction-change noise or a difference between commanded and observed axis travel.
Replacing ABB TS225R 3HAC031074-004 opens a gravity-influenced drive path, so restraint precedes every mechanical step. Interface preparation protects the new gear from side load and contamination, while sealing, calibration and controlled travel checks prove that the mechanical and controller records agree after assembly.
Move the robot to the approved service position, isolate and verify drive power, then place rated support under the arm so gravity cannot rotate the open drive train. Retain that support while the brake, motor pinion or gear fasteners are disturbed; the robot brake is not the service restraint.
Inspect the motor pinion, locating faces and output-side mounting structure, clean the interfaces and install the correct O-ring without twisting it. Lower the gear into position without impact or side loading, allowing the locating geometry to establish alignment before fasteners are tightened.
Tighten, lubricate and close the assembly, then inspect sealing and free movement before drive enable. Verify or restore axis calibration and begin with controlled low-speed travel, stopping for leakage, abnormal sound, binding, backlash or unexpected following error before normal operation.
After ABB TS225R 3HAC031074-004 is installed, position error can result from pinion misalignment, lost calibration, abnormal backlash or incomplete seating; inspect the mechanical interfaces and restore the axis-3 calibration record before normal motion.
Confirm ABB TS225R 3HAC031074-004 against the IRB 4600 axis-3 spare-parts record, then mark the motor, gear and arm-side interfaces so the 137:1 reduction stage is not confused with another axis assembly.
Removing ABB TS225R 3HAC031074-004 opens the axis-3 load path, so restraint prevents gravity-driven arm movement.
The replacement gearbox supply for ABB TS225R 3HAC031074-004 is documented with an O-ring; inspect and seat it correctly.
Stop the ABB TS225R 3HAC031074-004 test and check alignment, lubrication, pinion condition and fastener seating before further travel.
For ABB TS225R 3HAC031074-004, direction-change noise calls for checking pinion seating, backlash, fastener condition and lubrication before more travel is commanded. Calibration alone does not correct a mechanical interface that shifts as torque reverses.
Moore Automation works with complete industrial part records rather than shortened family names. ABB robot identifiers, requested quantities, destinations and available supporting images can remain linked in a compact enquiry file.
Moore Automation Sales Team
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