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CNC Machined Robot Joint Reducer Housing (Harmonic Drive Housing)

Description

Product Overview

Our Precision CNC Machined Split Housing Assembly is engineered for the demanding requirements of industrial automation. Designed as a high-rigidity, two-piece enclosure, it is primarily used to house robot joint reducers (Harmonic Drives), servo motors, and high-precision gearboxes.

This assembly consists of a deep-machined main body (left) and a specialized end cover (right), which lock together to provide an airtight, vibration-resistant, and perfectly aligned housing for sensitive internal components.

Key Features & Structural Highlights

Deep Precision Cavity

The main body features a high-accuracy cylindrical bore machined to tight tolerances (up to ±0.005mm / ±0.0002″), ensuring an interference fit for motor stators or reducer bearings.

Split Enclosure Design

The two-part design allows for easy component assembly and maintenance, while the matching flange faces guarantee secure sealing against dust and debris.

Specialized End Cover

Features a large central through-hole for the output shaft, along with dedicated eccentric mounting points for harmonic drive wave generators or gearbox output mechanisms.

Durable & Lightweight

Manufactured from 6061-T6 Aluminum alloy, offering a perfect balance of high strength, excellent thermal conductivity, and lightweight construction.

Multiple Mounting Options

Includes strategically placed mounting bosses and tapped holes on the flanges for easy integration into robot arms or actuator systems.

Technical Specifications

Parameter Details
Material 6061-T6 Aluminum (Standard), 7075 Aluminum (High-Strength)
Process 3/4/5-Axis CNC Milling & Drilling
Tolerances Mating surfaces & Bores: ±0.005mm (±0.0002″)
Surface Finish As-machined (Natural), Anodized (Clear/Black/Hard Coat)
Surface Roughness Ra 0.4µm – 0.8µm for bearing fits; Ra 1.6µm for general body
Inspection CMM (Coordinate Measuring Machine), 2D Vision, SPC Data
MOQ 1 Piece (Sample/Prototyping)
Lead Time 3-5 Days for prototyping; 10-15 Days for bulk (Qty 100+)

Application Areas

  • Industrial Robot Joints (Collaborative & Articulated): Housing for harmonic drive reducers and high-torque motors.
  • Servo Actuators: Precision casing for motor and encoder packages.
  • Precision Gearboxes: Protective enclosure for planetary gear sets.
  • Automated Machine Tools: High-stiffness housing for spindle or axis drives.

Why Choose Our CNC Machining Service?

Complex Geometry Capability

Our advanced 5-axis CNC centers can machine deep cavities, angled bolt holes, and complex islands in a single setup, drastically reducing tolerance stack-ups.

Quality Assurance

Each part comes with a full dimensional inspection report and is subject to rigorous precision testing for concentricity and flatness.

Customization

We offer complete OEM/ODM services, including secondary operations such as anodizing, finishing, and custom sealing. Functional testing such as leak testing is also available for specialized applications.

Get a Free Quote

Send us your STEP/IGS file or 2D drawing to get a free DFM (Design for Manufacturability) review and quotation today.

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