China ADC12 Die Casting Enclosure for 5G AAU Base Station - Reliable Suppliers and Factory Solutions
Product Display
Features
As the demand for high-speed data transmission increases in 5G networks, thermal management becomes critical to ensure optimal performance. Our housings are designed to effectively dissipate heat, preventing overheating and ensuring smooth operation of the base station.
This is especially important for outdoor installations, where exposure to harsh weather conditions can cause damage to the equipment. Our enclosures are built to withstand the elements, protecting your base station from corrosion and extending its lifespan.
This is a significant advantage, especially when it comes to deploying base stations in remote or challenging locations. The lightweight design not only simplifies the installation process but also reduces transportation costs.
Manufacturing Process
Equipment: 400T aluminum die casting machine
Material: ADC12
Process Characteristics:
- Furnace temperature: 670°±20°, Material handle: 20±2MM
- Secondary materials cannot be used
- Test the material composition to confirm it is OK before production
- First piece confirmation is required after die-casting
a. Confirm surface filling quality. No cold insulation, bulging, or lack of material for pillars.
b. Avoid sticking molds, drawing molds, or poor ejector pin convexity.
c. Ejector pins concave 0-0.2mm for non-machine-added surfaces and 0-0.2mm for machine-added surfaces. Thimble needs to be convex 0-0.2mm.
Saw spout and knock out slag bag.
Equipment: Sawing machine
Tools: Wooden stick
a. No crush injury or shortage of materials.
b. Control the size and appearance.
Check dimensions according to drawings.
Test Tool: Caliper / Projection / Three-dimensional
Use measuring tools correctly and check dimensions according to drawings.
Product back shaping.
Equipment: Knife-edge ruler, shaping fixture
Within 0.25mm of the front plane of the product.
a. CNC machining (Process the end face of the inner cavity, the end face of the surrounding heat dissipation tooth surface, and the through holes of the tooth holes).
b. Deburring (Sharp corners chamfered, deburred, non-machined ejector pins sharpened, and polished to smooth the appearance).
c. 100% inspection.
Equipment & Tools: CNC machine, Flat-bottomed cutter, Drill bit, Tap processing fixture, File, Wind grinder, 120# sandpaper.
a. No over-cut, no sand holes, no sharp corners, no missed processing, no scratches, no burrs. R corners connection must be smooth.
b. Processed surface finish Ra 0.8. Control size and shape tolerances.
c. Inspection by go/no-go gauge.
d. Check flatness according to drawing.
e. Handle gently to prevent deformation.
Manual removal of product clamping line caps, surface particles, slag bags, and gate residues.
a. No missed processing, no sharp corners/edges; mold closing line connected smoothly.
b. Processed surface finish Ra 0.8. Control size and shape tolerances.
c. Inspection by go/no-go gauge.
d. Check flatness according to drawing.
e. Handle gently to prevent deformation.
Powder spraying + Oil Spraying (Two-color spraying in separate areas).
Test Tools: Visual inspection, film thickness meter, colorimeter, salt spray tester, hundred grid test tool, alcohol resistance test, pencil test.
a. Coloring and anti-bake fractal areas must be obvious with no different colors, dirt, exposed bottom, dust accumulation, or scratches.
b. Color must be consistent with the sample.
Incoming and in-process quality control inspection.
a. Confirm surface quality after powder spraying.
b. Randomly inspect holes with needle gauge and go/no-go gauge.
a. 100% inspect appearance of the powder-coated surface.
b. Conduct random performance tests on powder coating.
1. Painted and anti-bake fractal area must be obvious. No abnormal color, dirt, exposed bottom, dust accumulation, or scratches.
2. Color must be consistent and uniform according to the sample.
Dispense adhesive to the specified bar area. Dispensing width and height 1.0±0.1 symmetrically centered.
Tools: Dispensing machine, dispensing fixture
1. Glue strips must be uniform, no breakage, accumulation, drawing, overflow, deviation, bubbles, or falling off.
2. Ensure proper glue regeneration, adhesion, and strength.
a. Assemble heat dissipation copper bar to corresponding position for glue assembly.
b. Lock sheet metal parts with M2.5*5 screws to press the heat dissipation copper block.
Parts Involved: SE4450 Glue, 4x Heatsink Copper Bars, 3x Sheet metal parts, 6x M2.5*5 half-round screws.
a. Copper bar dispensing slot filled with glue according to sample.
b. Ensure lock screw position is stable without loosening or slipping teeth.
Place products in 2 columns and 7 rows (total 14pcs) neatly on the baking line. Baking temperature: 150℃, Time: 30 minutes.
Equipment: Dryer
Leave a gap between products. Do not touch the tunnel door. Handle lightly to avoid scratches.
100% inspection of appearance and outer packaging.
a. Inspect appearance according to sample (no dirt, scratches, dents, defects; even glue dispensing).
b. Tooth pattern must comply with go/no-go gauge.
c. Place product in knife card, cover with flat cardboard on upper layer, then package.
Final quality control check.
Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection.
Verify whether the measuring tools are within their calibration period.
Preparation for product shipment.
a. Verify quantity matches the order.
b. Label and stamp the outer box.
c. Provide shipping report.
Outgoing quality control inspection.
Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection.
Ensure measuring tools are calibrated. Verify consistency with SIP and customer requirements.
Frequently Asked Questions (FAQ)
We use premium ADC12 aluminum alloy, which provides outstanding strength, excellent thermal conductivity, and superior dimensional stability for precision pressure casting.
The enclosure features an advanced structural design with optimized heat dissipation teeth and integrated heatsink copper bars assembled with high-performance SE4450 thermal glue to maximize heat transfer and prevent overheating.
Yes. The enclosure undergoes a specialized two-color powder and oil spraying process, which provides excellent corrosion resistance, UV protection, and weatherproofing suitable for long-term outdoor installations.
We employ a rigorous multi-stage quality control workflow including IPQC (In-Process Quality Control), 100% manual and automated visual inspections, FQC (Final Quality Control), and OQC (Outgoing Quality Control) using calipers, projection systems, and go/no-go gauges.
Not at all. The precision die-cast ADC12 aluminum alloy offers a high strength-to-weight ratio. This guarantees that the enclosure remains extremely rugged and protective while simplifying handling, transport, and installation.