Robot Joint & Gearbox Components
Precision Robot Joint Components—Built For Stiffness, Alignment, And Repeatability
CNC machined housings, mounts, shafts and output interfaces for robot axes and reducers. Designed around the dimensions you can prove. Include:
- Joint housings,
- Bearing seats,
- Bearing blocks,
- Gearbox / reducer
- Housings (harmonic
- Drive / cycloidal / planetary, cases),
- Motor mounts,
- Adapter rings,
- Encoder housings,
- Resolver brackets,
- Precision shafts,
- Precision spacers,
- Precision retainers,
- Output flanges,
- Clamp hubs,
Robot Join
Joint housings
Application: Main structural component for robotic rotary and articulated joints.
Material Examples: Aluminum 7075-T6, Titanium, Stainless Steel 17-4PH.
Tolerance / Finish Notes: Critical bores ±0.005 mm, angular tolerance ±0.05°, surface finish Ra 0.8 µm.
Robot Join
Bearing Blocks
Application: Housing and supporting bearings in robotic arms, joints, and transmission systems.
Material Examples: Aluminum 6061/7075, Cast Iron, Stainless Steel, Engineering Plastics.
Tolerance / Finish Notes: Bore tolerance ±0.005 mm, parallelism ±0.01 mm, surface finish Ra 0.8 µm. CMM verified.
Robot Join
Motor Mounts
Application: Mounting servo and stepper motors to robotic frames and gearboxes.
Material Examples: Aluminum 6061/7075, Stainless Steel.
Tolerance / Finish Notes: Mounting hole tolerance ±0.01 mm, flatness ≤ 0.015 mm, parallelism ±0.01 mm.
Robot Join
Encoder Housings
Application: Encloses and mounts rotary encoders on robotic joints and servo motors.
Material Examples: Aluminum 6061-T6, 7075, Stainless Steel.
Tolerance / Finish Notes: Mounting hole pattern ±0.01 mm, concentricity ±0.005 mm, flatness ≤ 0.008 mm.
Robot Join
Bearing Seats
Application: Provides precise seating for bearings in joint assemblies and gearbox housings.
Material Examples: Aluminum 7075, Stainless Steel 17-4PH, Carbon Steel.
Tolerance / Finish Notes: Inner diameter ±0.005 mm, perpendicularity ±0.008 mm, surface finish Ra 0.6–0.8 µm.
Robot Join
Gearbox Reducer Housings
Application: Structural housing for planetary, harmonic, and cycloidal reducers in robotic arms.
Material Examples: Aluminum 7075-T6, Magnesium alloys, Stainless Steel.
Tolerance / Finish Notes: Bore alignment ±0.005 mm, parallelism ±0.01 mm, surface finish Ra 0.8 µm with full FAI report.
Robot Join
Adapter Ring
Application: Connects motors, gearboxes, and robotic joints while maintaining precise alignment and torque transmission.
Material Examples: Aluminum 6061-T6, 7075-T6, Stainless Steel 304/316, Titanium Grade 5.
Tolerance / Finish Notes: Concentricity ±0.005 mm, bore tolerance ±0.008 mm, flatness ≤ 0.01 mm. Surface finish Ra 0.8–1.6 µm.
Robot Join
Resolver Bracket
Application: Mounts resolvers and encoders for accurate angular position feedback.
Material Examples: Aluminum 7075-T6, Stainless Steel.
Tolerance / Finish Notes: Mounting hole position ±0.01 mm, flatness ≤ 0.01 mm, perpendicularity ±0.008 mm.
Robot Join
Precision Shafts
Application: Rotary power transmission and pivot shafts in robotic joints.
Material Examples: Stainless Steel 304/316, Chrome-plated Steel, Titanium.
Tolerance / Finish Notes: Diameter tolerance ±0.003 mm, straightness ≤ 0.005 mm/100 mm, surface finish Ra 0.2–0.4 µm.
Robot Join
Output Flange
Application: Connects gearbox output to robotic arms or tools with high torsional rigidity.
Material Examples: Aluminum 7075-T6, Stainless Steel, Alloy Steel.
Tolerance / Finish Notes: Concentricity ±0.005 mm, bolt circle diameter ±0.01 mm, surface finish Ra 0.8 µm.
Robot Join
Precision Retainer
Application: Retains bearings and gears in joint and gearbox assemblies.
Material Examples: Aluminum, Stainless Steel, POM (Delrin).
Tolerance / Finish Notes: Thickness tolerance ±0.005 mm, inner/outer diameter ±0.008 mm.