Non-Standard Robot Arm Joint Housing and Humanoid Joint Casing with Billet CNC Machining and 0.01mm Tolerance
Custom Robot Joint Housing
,Non-Standard Joint Casing
,OEM Humanoid Housing Machining
- 100% CustomJoint housings built to your CAD
- NDA ReadyYour design stays yours
- Stable DeliveryScheduled batches, 200+ customers
Need a robot arm joint housing that is not a standard design? Dongguan Changxinda Precision Technology Co., Ltd. machines fully custom, non-standard joint housings and casings to your drawing or 3D model. Since 2008 the factory has built one-off prototypes and scheduled production batches for 200+ customers across ten industries, exporting 50–60% of its output overseas.
We are build-to-print: you define the bore layout, flange pattern, cavity and material; we return a manufacturability review and a quote, then machine, inspect and ship. Critical features — bearing bores, flange faces and cavity — are held to ±0.01 mm and verified on a CMM, whether you order one prototype or a recurring batch.
ISO 9001:2015 · 90+ staff · Prototype to mass production · Exporting 50–60% overseas since 2008
Custom does not mean uncertain. Our workflow keeps you in control from drawing to delivery:
- Send drawings: 2D PDF, STEP, IGES or SolidWorks — or a physical sample to reverse-engineer.
- DFM review: engineering feedback on bore coaxiality, flange pattern, cavity, material and cost before you commit.
- Quote in 24h: transparent pricing by drawing and quantity, no tooling charge.
- Program & fixture: dedicated 5-axis CAM and fixtures for your housing.
- CNC machining: 5-axis milling and boring to ±0.01 mm on critical features.
- Finish & inspect: hard anodizing, mirror polish or coating, then CMM dimensional report.
- Ship: protected export packing to your schedule.
Non-standard is our normal work. Custom housing sizes, bore diameters and spacing, flange patterns, cavity shapes and mounting bosses — all machined to print.
Confidentiality is a condition of the job, not an add-on. We sign an NDA before engineering review, limit drawing access to the assigned programming and machining team, keep your fixtures and programs dedicated to your program, and scrap surplus or reject parts on request. You keep the IP; we keep it that way.
Changxinda is a 2008-established CNC factory with 90+ staff, multiple 5-axis machining centers and turn-mill lathes backed by a dedicated QC lab.
Custom joint housing work for ten industries, all under one roof and one inspection standard:
- Consumer Electronics: phone / tablet / laptop housings, heat sinks, camera brackets, VR/AR headset structural parts, smart wearable shells
- Automation & Industrial Equipment: automation fixtures, jigs, module frames, transmission sliders, motor mounts, sensor housings, assembly line components
- Semiconductor & Vacuum Equipment: vacuum chambers, vacuum fittings, precision bases for semiconductor equipment, thermal and insulating parts, inspection tooling
- Medical Equipment: surgical instrument bases, medical testing instrument housings, endoscope accessories, medical aesthetic device structural parts (medical-grade aluminum / stainless steel)
- Automotive: new-energy motor housings, battery end plates, sensor brackets, headlamp structural parts, modified parts, hydraulic valve blocks
- Aerospace & UAV: aircraft structural parts, drone frames, landing gear accessories, aviation instrument housings (lightweight precision parts)
- Optics & Photonics: optical lens barrels, lens mounts and bases, light source heat sinks, camera module brackets, inspection optical platforms
- Communications: 5G heat dissipation cavities, filter parts, signal adapter structural parts, communication equipment housings
- Robotics: robotic arm joint parts, robot bases, reducer housings, AGV structural parts
- Instruments & Meters: testing equipment housings, precision gauge bases, flow meter parts, laboratory equipment accessories
- 100% custom joint housings and casings built to drawing
- ±0.01 mm on bearing bores, flange faces and cavity
- NDA and IP protection before engineering review
- Materials: aluminum, stainless steel, brass, titanium
- Surface: hard anodizing, mirror polish, coating
- Dedicated 5-axis fixtures and programs per customer part
- No tooling charge, MOQ from 1 piece
- Stable scheduled batches for repeat orders
- 200+ served customers, 50–60% exported
- ISO 9001:2015 certified factory
| Product Type | Custom robot arm joint housing / casing (OEM / ODM) |
|---|---|
| Machining | 5-axis milling & boring, build to drawing |
| Tolerance | ±0.01 mm on critical features |
| Material Options | Aluminum, stainless steel, brass, titanium |
| Surface Treatment | Hard anodizing, mirror polish, coating |
| Customization | Non-standard, build to drawing / 3D CAD |
| Confidentiality | NDA / IP protection available |
| Inspection | CMM + full dimensional report |
| MOQ | 1 piece |
Yes — that is our core work. Send a 2D drawing, STEP/IGES/SolidWorks model or a physical sample and we machine the custom housing, bores, flanges and finish to print.
Yes, routinely. Drawings are limited to the assigned programming and machining team, fixtures and programs stay dedicated to your part, and surplus or reject parts are scrapped on request.
One piece. There is no tooling or setup charge, so single prototypes are practical and mass production runs on the same inspection standard.
Capacity is planned per program. Prototypes ship in 3–7 days, small batches in 7–14 days and production volumes in 14–30 days, with supply ability up to 10,000 pieces per month.
Aluminum, stainless steel, brass and titanium with hard anodizing, mirror polish or custom coatings — matched to your load and environment.
Every part is CMM-inspected against the drawing — bores, flanges, cavity and profile — with a full dimensional report and first-article inspection on new programs.
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