ABB 3HAC044361-003 Reduction Gear

Frequently asked questions
Q:What is ABB 3HAC044361-003?
A:ABB 3HAC044361-003 is an original reduction gear supplied for ABB Robotics systems. It is used on Axis-2 of compatible IRB 4600 industrial robots as part of the robot transmission assembly.

Q:Can ABB 3HAC044361-003 be installed as a direct replacement?
A:The reduction gear is intended to replace the same ABB part number in the applicable robot configuration. Installation and adjustment should be carried out according to the ABB service documentation.

Q:Which applications commonly use robots equipped with this reduction gear?
A:IRB 4600 robots are widely used for arc welding, assembly, material handling, machine tending, and dispensing. The reduction gear operates as part of the robot transmission system in these applications.

Description

The ABB 3HAC044361-003 is an original reduction gear used on Axis-2 of ABB IRB 4600 industrial robots. The reduction gear forms part of the robot transmission assembly, converting the high rotational speed of the servo motor into the output speed and torque required for joint movement. This transmission arrangement allows the second axis to perform positioning and load handling during robot operation. The 3HAC044361-003 is one of the reduction gear variants within the ABB Robotics spare parts range and is supplied for robot configurations specified with this part number. The reduction gear uses an RV (Rotational Vector) transmission mechanism and is installed together with the Axis-2 servo motor to form the complete drive assembly. The transmission assembly provides the mechanical reduction required for controlled joint movement while maintaining the positioning characteristics specified for the IRB 4600 robot. ABB IRB 4600 robots equipped with the 3HAC044361-003 reduction gear are used in welding, material handling, assembly, and pick-and-place operations. During operation, the reduction gear transfers motor output to the robot arm through the Axis-2 transmission system, supporting repeatable movement and continuous operation in automated manufacturing environments.

Parameter

Model: 3HAC044361-003 is a Reduction Gear 
Gear Structure: RV (Rotational Vector) Series Precision Cycloidal Reduction Gear
Target Robot Series: ABB IRB 4600 Industrial Robot
Application Axis: Axis-2 (Second Axis / Lower Arm Joint)
Voltage: 220V
Frequency: 50Hz
Certification: CE, UL, RoHS

Application areas

• Spot & Arc Welding Booths: Translates motor inputs into highly repeatable positions during high-speed weld path indexing on vehicle body panels.
• Heavy Foundry Part Grinding: Protects the internal drivetrain from intense reactive forces during robotic deburring, grinding, and polishing cycles.
• Laser Cutting & Trimming: Eliminates mechanical vibration over travel arcs to preserve microscopic edge tolerances on sheet metal parts.

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