Yaskawa Motoman S-Axis Reducers For SK6 MRC HW9280631

Description:

The Yaskawa HW9280631 is used an S-axis speed reducer used in Yaskawa Motoman SK6 robots with MRC controllers to provide controlled rotational motion and torque multiplication at the base axis. Commonly applied in robotic welding, material handling, and automated production systems requiring precise base rotation and positioning. Purchased by maintenance teams, OEMs, and integrators for repair, replacement, or refurbishment of robot joints to restore accuracy and performance.

Applications:

The Yaskawa HW9280631 reducer is used in industrial robotics where precise rotational control and torque transmission are critical for the S-axis (base rotation). It is commonly deployed in robotic welding cells, assembly lines, material handling systems, and automated manufacturing environments where accurate positioning and repeatability are required for consistent operation.

Technical Specifications:

• Manufacturer: Yaskawa Electric (Motoman)
• Model / Part Number: HW9280631
• Product Type: Speed Reducer / Gearbox
• Axis: S-Axis (base rotation)
• Robot Compatibility: Motoman SK6 (MRC controller systems)
• Function: Reduces speed and increases torque for axis movement
• Gear Type: Precision industrial reducer (harmonic or planetary type depending on configuration)
• Installation: Integrated into robot base assembly
• Construction: Heavy-duty machined gearbox housing
• Application Type: Robotic motion control
• Availability: Typically refurbished, surplus, or used

Common Replacements:

• Yaskawa HW9280632
• Yaskawa HW9280633
• Yaskawa HW9280634