Aviation Aluminum Connector Housing with Multi-Step Internal Cavity and Thin-Wall Turn-Mill Composite Machining
Aviation Connector Housing Machining
,Multi-Step Internal Cavity Boring
,Thin Wall Housing 0.01mm
This aviation aluminum connector housing is turn-mill machined by Dongguan Changxinda Precision Technology Co., Ltd., a CNC factory established in 2008. The multi-step internal cavity is bored to depth through stepped shoulders, combined with precision internal threads and locating holes. All critical features — cavity diameters, shoulder depths, wall thickness and hole position — are held to ±0.01 mm and verified on a CMM.
The hard part of a multi-step internal cavity is not the diameter, it is the wall. As material is removed from inside, the thin remaining wall deflects away from the cutter, so a housing can measure correctly on the bench and still distort when clamped or pressurised. We control this by roughing in stages, semi-finishing to leave uniform stock, then finishing with light radial cuts so cutting force stays low on the thin section.
- Deep Multi-Step CavityThin wall, 0.01 mm internal cavity
- Multi-Step BoringBored to depth with stepped shoulders
- Turn-Mill ProcessCavity, threads and holes in one setup
- Min Order 1 PieceNo tooling charge, prototype ready
ISO 9001:2015 • 7075-T6 aviation-grade aluminum • CMM first-article report • NDA on request • Exporting since 2008
Each aviation connector housing follows a controlled eight-stage route:
- Drawing review & DFM: STEP / IGES / SolidWorks / 2D PDF checked for cavity steps, internal threads and locating-hole datums.
- Material: 7075-T6 aviation-grade aluminum with mill certificates.
- Turn-mill programming: CAM toolpaths sequenced for cavity depth, stepped shoulders and internal threading.
- Rough boring: staged roughing of each cavity step with uniform stock left for finishing.
- Semi-finish: uniform stock removed to control thin-wall deflection.
- Finish bore & internal thread: light radial cuts to final diameter, then internal threads cut on the same axis.
- Drilling locating holes: holes positioned to the cavity datum, then surface treatment to drawing.
- CMM inspection: cavity step diameters, shoulder depths, wall thickness and hole positions verified with a first-article report.
The multi-step cavity housing is a starting point. We machine custom connector housings with your own cavity step sequence, depths, internal thread sizes, locating-hole pattern and wall thickness — all to drawing.
We sign an NDA before engineering review, restrict drawings to the assigned programming and machining team, and never display or reuse customer geometry. Fixtures and programs built for your part stay dedicated to your program, and surplus or reject parts are scrapped on request.
Changxinda runs a 2008-established plant with 90+ staff, multiple turn-mill lathes and 4-axis / 5-axis machining centers backed by a dedicated QC lab.
One shop, ten industries, one inspection standard:
- Consumer ElectronicsPhone / tablet / laptop housings, heat sinks, camera brackets, VR/AR headset structural parts, smart wearable shells
- Automation & Industrial EquipmentAutomation fixtures, jigs, module frames, transmission sliders, motor mounts, sensor housings, assembly line components
- Semiconductor & Vacuum EquipmentVacuum chambers, vacuum fittings, precision bases for semiconductor equipment, thermal and insulating parts, inspection tooling
- Medical EquipmentSurgical instrument bases, medical testing instrument housings, endoscope accessories, medical aesthetic device structural parts (medical-grade aluminum / stainless steel)
- AutomotiveNew-energy motor housings, battery end plates, sensor brackets, headlamp structural parts, modified parts, hydraulic valve blocks
- Aerospace & UAVAircraft structural parts, drone frames, landing gear accessories, aviation instrument housings (lightweight precision parts)
- Optics & PhotonicsOptical lens barrels, lens mounts and bases, light source heat sinks, camera module brackets, inspection optical platforms
- Communications5G heat dissipation cavities, filter parts, signal adapter structural parts, communication equipment housings
- RoboticsRobotic arm joint parts, robot bases, reducer housings, AGV structural parts
- Instruments & MetersTesting equipment housings, precision gauge bases, flow meter parts, laboratory equipment accessories
- Multi-step internal cavity bored to depth with stepped shoulders
- ±0.01 mm on cavity diameters, depths and wall thickness
- Thin-wall deflection controlled through staged roughing and light finishing cuts
- Precision internal threads cut on the cavity axis
- Locating holes positioned to the cavity datum
- 7075-T6 aviation-grade aluminum with mill certificates
- Anodizing, polishing and custom surface finishes
- NDA and IP protection on request
- CMM inspection with first-article report
- From 1-piece prototypes to scheduled production
| Product Type | Aviation aluminum connector housing with multi-step internal cavity |
|---|---|
| Machining | Turn-mill composite, single setup |
| Tolerance | ±0.01 mm on critical features |
| Material | 7075-T6 aviation-grade aluminum |
| Features | Multi-step cavity, internal threads, locating holes |
| Surface Treatment | Anodizing / polishing / per drawing |
| Inspection | CMM + first-article report |
| MOQ | 1 piece |
| Lead Time | 3–7 days prototypes |
Thin walls. Removing material inside reduces stiffness, so the wall deflects during cutting. We rough in stages, semi-finish for uniform stock, then take light finish cuts to keep the cavity round and on size.
Each step is machined to a controlled depth in one setup, then CMM-verified for diameter, shoulder depth and wall thickness with a first-article report.
Yes — metric, UN and pipe threads are cut on the cavity axis, keeping thread position concentric with the bore.
Yes — step sequence, depths, diameters, thread size and locating-hole pattern can all be machined to your drawing or 3D model.
Yes, before engineering review. Drawings are limited to the assigned programming and machining team and never reused or displayed.
Prototypes 3–7 days, small batches 7–14 days, mass production 14–30 days depending on complexity, with rush support available.
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