Double-Layer 6061 Aluminum Stepped Flange Disc 5-Axis CNC Machining 0.01mm
Double-Layer Stepped Flange Disc
,5-Axis Machined Aluminum Flange
,Custom Precision Flange Disc
This 5-axis CNC machined 6061 aluminum double-layer stepped flange disc is a precision mounting plate designed for detection instruments, vision system bases, and automation rotary transition flanges. Two concentric stepped layers carry an outer ring of mounting counterbores, a central boss, a micro hole array, and square through-slots — all produced as one integral part, eliminating assembly stack-up between layers.
Each disc is milled from a solid 6061 aluminum billet on 5-axis simultaneous CNC machining centers in a single clamping, keeping the two stepped layers concentric and parallel to each other and to the central boss. Critical features are held to ±0.01mm and verified on a CMM before anodizing.
- Certified 6061 aluminum billet selection with material certificate and traceability.
- 3-axis roughing of both layers and the central boss to hold uniform finishing allowance.
- 5-axis simultaneous finishing of the stepped layers, outer counterbores, micro hole array, and slots in a single clamping.
- Drilling and counterboring of the mounting hole ring with position verification.
- Deburr, ultrasonic clean, then anodizing (clear, black, or hard) for protection.
- CMM (Zeiss) full-dimension check, protective packing, and photo confirmation before shipment.
The two stepped layers are machined in the same setup so their centres stay concentric to the central boss, giving true rotation about a single axis. Layer parallelism and surface flatness are controlled to ≤0.02mm so the disc seats flat and does not rock under load. The outer counterbore ring and micro hole array are position-checked on the CMM to guarantee bolt-up alignment with mating equipment.
6061-T6 aluminum provides a high strength-to-weight ratio, stable machining, and good thermal conductivity, keeping detection and vision assemblies light and dimensionally stable. 2A12 aviation aluminum and 7075 are available for higher-strength needs. Clear, black, and hard anodizing protect the surface and give a clean, professional finish.
Custom flange discs are our core business. Send STEP, IGES, STP, or DWG files with your layer sizes, hole array, and slot layout, and our engineering team returns a DFM review within 24–48 hours. From one prototype to series production, we control the full route in-house.
- Custom layer diameter, step height, and wall thickness
- Custom mounting hole ring (counterbore or through) and hole count
- Custom micro hole array, square slots, and side lug structures
- Custom material: 6061, 2A12, 7075 aluminum, and stainless steel
- Custom finish: clear / black / hard anodize, bead blast, laser marking; low MOQ from 1 piece
Dongguan Changxinda Precision Technology Co., Ltd. (brand: China-CXD) has specialised in custom CNC precision parts and metal manufacturing since 2008. Our 90+ staff operate 4-axis and 5-axis CNC machining centers, turn-mill combined CNC lathes, CNC lathes, and milling machines under an ISO 9001:2015 quality management system.
- Founded in 2008, 15+ years of precision machining know-how
- Industries served: detection instruments, vision systems, automation, robotics, medical, automotive, and aerospace
- 200+ customers served, 50–60% of output exported worldwide
- ISO 9001:2015 certified with full material traceability
- Slogan: CNC Machining Experts, Serving Global Industries
| Prototype / Sample | 7–12 working days |
|---|---|
| Small Batch (10–100 pcs) | 12–18 working days |
| Mass Production (100–1000 pcs) | 15–25 working days |
| Monthly Supply Ability | 20,000 pcs / month |
| Shipping | DHL / FedEx / UPS express, air freight, sea freight |
Reserved production slots and multi-machine capacity keep lead times predictable, so repeat orders stay on the same delivery rhythm. Shock-proof export cartons protect the finished surfaces, and custom branding or labelling is available on request.
- Detection instrument and sensor base mounting
- Vision system camera and lens mounting flanges
- Automation rotary transition flanges
- Robotics and gantry structural mounting plates
- Optical and precision instrument fittings
- ±0.01mm dimensional tolerance on critical features
- 5-axis simultaneous machining, single setup
- Double-layer stepped structure, concentricity ≤0.02mm
- Layer parallelism and flatness ≤0.02mm
- Outer ring of mounting counterbore holes
- Central boss for accurate central reference
- Micro hole array and square through-slots
- Solid 6061 aluminum billet, one-piece construction
- CMM (Zeiss) verified with full dimension report
- Full OEM / ODM customization, low MOQ from 1 piece
A: Yes. Send your STEP, IGES, STP, or DWG drawing; we machine the exact layer sizes, hole array, and slot layout and return a DFM review within 24–48 hours.
A: ±0.01mm on critical dimensions with layer concentricity and parallelism within ≤0.02mm, checked on a CMM before anodizing.
A: Yes. Micro hole diameter, count, and spacing are fully customizable and positioned in the same setup for accurate alignment.
A: We accept orders from 1 piece for prototypes and scale to thousands per month for series production.
A: Multi-machine capacity of 20,000 pcs per month, reserved production slots, and in-process CMM checks keep lead times predictable: samples 7–12 days, small batch 12–18 days, mass production 15–25 days.
A: Clear, black, and hard anodize, plus bead blast and laser marking, chosen to match your application and appearance requirements.
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