Dongguan Zhonghui Precision Die Casting Technology Co., Ltd.
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China Suppliers Factory Aluminium Cover for 5G Base Station Outdoor Housing - Durable & Weather Resistant

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  • Die Casting Machine Cold Chamber Alum Die Cast Machine 800T
  • Die Casting Method High pressure Die Casting
  • Application Communications Industry
  • Machining CNC Machining
  • Material ADC12
  • Surface Area powder spraying
  • Certification ISO 9001:2015
  • Capacity 300000 Pieces/Year
  • Transport Package Wooden Pallet
  • HS Code 7616991090
  • Origin Dong Guan of China
  • Shipment By airmail or by Sea
  • Due-date Two month

Product Display

Features

With the rapid expansion of 5G technology, base stations play a vital role in ensuring seamless connectivity and high-speed data transmission.

One of the main features of this product is its excellent durability. The cover is constructed from high-quality aluminum for superior strength and corrosion resistance, ensuring long-lasting performance in even the harshest environments.

In addition to durability, the aluminum cover offers excellent thermal management. The material's high thermal conductivity allows for efficient heat dissipation, preventing overheating and ensuring optimal performance of the base station.

In addition, the design of the lid is not only practical but also beautiful. Its sleek and modern appearance blends seamlessly with its surroundings, making it ideal for urban areas and public spaces.

Process Flow

Step 01

Aluminum die casting

Equipment: 800T aluminum die casting machine

Material: ADC12

Process Characteristics:

  • a. Furnace temperature: 670°±20°, Material handle: 20±2MM;
  • b. Secondary materials cannot be used;
  • c. Test the material composition to confirm that it is OK for production;
  • d. First piece confirmation is required after die-casting.

Precautions

  • a. The surface filling quality needs to be confirmed. No cold isolation, no bulging, or lack of material in the column.
  • b. Pay attention to the surface and avoid mold sticking, mold drawing, or poor ejector pin protrusion.
  • c. The ejector pins for non-machined surfaces should be concave by 0-0.2mm, while the ejector pins for machined surfaces should be convex by 0-0.2mm.
Step 02

Remove spout (Saw spout and knock out slag bag)

Equipment: Stick/sawing machine

Precautions

  • a. Pay attention to the surface without crushing or shortage of materials.
  • b. Control the appearance and size.
Step 03

IPQC inspection

Test Tool: Caliper, projection, three-dimensional, visual inspection of appearance

Precautions

  • Use measuring tools correctly and check dimensions according to drawings.
Step 04

Shaping

Product back shaping

Equipment: knife-edge ruler, shaping fixture

Precautions

  • Within 0.25mm of the front plane of the product.
Step 05

CNC (CNC machining + Deburring + Full material inspection)

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.

Equipment: CNC machine, flat-bottomed cutter, drill bit, tap processing fixture.

B. Deburring

The sharp corners of the product are chamfered, deburred, non-machined ejector pins are sharpened, and polished to smooth the appearance.

Equipment: File, wind grinder, 120# sandpaper.

C. 100% material inspection - Appearance visual inspection

Precautions

  • a. Do not over-cut or miss processing.
  • b. Be careful not to scratch or burr the surface.
  • c. Ensure the finish of the processed surface is Ra0.8, and the size and shape tolerances. No processing should be missed, no sharp corners or burrs should be removed, and the R corners should be connected smoothly.
  • d. The surface of the product must be free of overcutting, sand holes, lack of material, burrs, and other undesirable phenomena.
  • e. Via pass and stop gauge detection.
  • f. Check the flatness of the product according to the drawings.
  • g. Handle the product gently to prevent deformation.
Step 06

IPQC inspection

Details: Visual inspection of appearance.

Step 07

Polish (manual removal)

Remove product clamping line caps, surface particles, slag bags, and gate residues.

Precautions

  • No processing should be missed, no sharp corners or sharp edges should be removed, and the mold closing line should be connected smoothly.
Step 08

IPQC inspection

Details: Visual inspection of appearance.

Step 09

Outsourcing-powder spraying (Area powder spraying)

Test Equipment: Appearance visual inspection + film thickness meter + colorimeter + salt spray tester + hundred grid test tool + alcohol resistance test + pencil test.

Precautions

  • 1. The painted and anti-bake fractal area is obvious, and there is no abnormal color, dirt, exposed bottom, dust accumulation, scratches, etc.
  • 2. The color is consistent and uniform according to the sample.
Step 10

IPQC inspection/IQC incoming inspection

Appearance visual inspection, special characteristics inspection.

Precautions

  • a. Confirm the surface quality after powder spraying.
  • b. The holes need to be randomly inspected with a needle gauge/tested with a tooth hole pass gauge.
Step 11

Full inspection of appearance + packaging

Comprehensive inspection of products and packaging.

Equipment: Cartons, dividers, bubble wrap, desiccant.

Precautions

  • a. The appearance shall be inspected according to the sample. The surface shall be free of dirt, scratches, dents and defects, and the glue dispensing shall be even and without defects!
  • b. The tooth pattern must comply with the pass-and-stop inspection.
  • c. The product is placed in the knife card, covered with flat cardboard on the upper layer, and then packaged.
Step 12

FQC inspection

Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection.

Precautions

  • Whether the measuring tool is within the calibration period.
Step 13

Shipping

Final shipping logistics preparation.

Precautions

  • a. Make sure the quantity is the same as order.
  • b. Label and stamp on the outer box.
  • c. Provide a shipping report.
Step 14

OQC shipping inspection

Test Tools: Caliper, projection, needle gauge, tooth gauge, appearance and outer packaging inspection.

Precautions

  • Whether the measuring tool is within the calibration period. Whether it is consistent with SIP requirements and customer requirements.

Frequently Asked Questions

Q1: What material is used for the 5G base station outdoor cover?

The cover is manufactured from high-quality aluminum alloy (ADC12) via an 800T die casting machine. This material offers superior strength, structural integrity, and exceptional durability in harsh outdoor environments.

Q2: How does the cover perform in terms of thermal management?

The high thermal conductivity of the aluminum alloy allows for highly efficient heat dissipation. This prevents the internal components of the 5G base station from overheating, ensuring optimal performance and connectivity.

Q3: What manufacturing standards are followed during CNC machining?

Our CNC machining processes the end faces of the inner cavity, heat dissipation tooth surfaces, and through holes. We ensure a surface finish of Ra0.8 and maintain tight tolerances. Deburring is performed to ensure smooth R corners and no sharp edges.

Q4: How is the surface protected against outdoor corrosion?

We apply a specialized powder spraying process. The coating is thoroughly inspected using film thickness meters, colorimeters, salt spray testers, and cross-cut (hundred grid) test tools to verify uniform coverage, adhesion, and corrosion resistance.

Q5: What quality control inspections are carried out before shipping?

Every batch goes through a stringent QC workflow, including IPQC inspections at critical process stages, 100% appearance checks, FQC inspection of dimensions and threads using calibrated tools, and final OQC shipping audits to ensure alignment with customer requirements.

Q6: How are the products packaged to prevent damage during transit?

Products are packed using custom cartons, dividers (knife cards), bubble wrap, and desiccant. The parts are placed carefully inside the card structure and protected with flat cardboard layers to avoid surface scratches or physical deformation during transport.