5G Base Station Housing MIM Parts
5G Base Station Housing MIM Parts
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5G Base Station Housing MIM Parts
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5G Base Station Housing MIM Parts

Zhongwei Precision has been focusing on metal injection molding parts and aluminum alloy cavity processing for 20 years. It has 100 CNC machining centers over 1 meter. It has become a cooperative supplier of Huawei and ZTE two major 5G communication equipment, providing customers with 5G quickly.

Introduction of metal injection molding 5G base station housing MIM parts

Titanium injection molding 5G base station housing MIM parts

Item

Material

Production Process

Sintering Temperature

Mold

Custom

 

Case

316L

Metal Injection Molding

1500℃

To be customized

Yes

 

Chemical Composition

C:≤0.030
Si: ≤1.00
Mn:≤2.00
S: ≤0.030
P: ≤0.045
Cr:16.00~18.00
Hours: 10.00~14.00
For: 2.00~3.00

Available Materials

Low carbon stainless steel, titanium alloy (Ti, TC4), copper alloy, tungsten alloy, cemented carbide, high temperature alloy (718, 713)

Finish

Dimensional Accuracy

Product Density

Appearance Treatment

Appropriate Weight

Roughness 1~5μm

(±0.1%~±0.5%)

92~95%

Mirror Reflection

0.03g~400g)

Mechanical properties

Tensile strength σb (MPa): ≥480
Conditional yield strength σ0.2 (MPa): ≥177
Elongation δ5 (%): ≥40
Area shrinkage ψ (%): ≥60
Hardness: ≤187HB; ≤90HRB; ≤200HV
Density: 7.98g/cm3;
Specific heat ratio (20℃): 0.502kJ/(g*K)

Thermal conductivity (W/(m*K))

100℃

300℃

500℃

15.1

18.4

20.9

Heat treatment

Solid solution 1010 ~ 1150 ℃ rapid cooling.

 

5G housing cooperative supplier

Zhongwei Precision has been focusing on metal injection molding parts and aluminum alloy cavity processing for 20 years. It has 100 CNC machining centers over 1 meter. It has become a cooperative supplier of Huawei and ZTE two major 5G communication equipment, providing customers with 5G quickly. Cavity batch processing customization. We have been cultivating for many years and have accumulated rich technical experience in this field. After precision machining from 3G, 4G to 5G cavity, we have overcome the technical problems of 5G cavity. Whether it is flatness, smoothness, roughness, tolerance, hole tapping, and air tightness testing, it can meet the needs of users.

 

5G housing development prospects

With the rapid development of 5G base stations, the demand for 5G base station housing MIM parts such as 5G heat dissipation housings, 5G cavity filters, antenna backplanes, and 5G connectors has increased, and it has also brought a new wave of challenges to processing companies. opportunity. From the previous 3G, 4G to 5G, the base station architecture has changed greatly. The passive part of the antenna of the 5G base station architecture and the RRU are combined into an AAU. The integration requirements of the antenna are significantly higher, and the AAU needs to integrate more components in a smaller size. , the internal structure is more complex, its technology and raw materials need to be comprehensively upgraded, and the technical barriers are comprehensively improved.

 

5G base station filter

The main function of the 5G base station filter in the mobile communication network is to eliminate the interference and clutter of the receiving and transmitting channels, so that the useful signals can be transmitted without attenuation as much as possible, and the useless information can be attenuated as much as possible, so as to achieve accurate selection. frequency.

Rich experience in customization has been accumulated in 5G base station filters, and miniaturized metal filters still occupy a large market in 5G communication equipment. It has effectively helped customers to solve the difficulty of drilling and tapping due to the large number of filter holes. The customized 5G cavity is Dongguan Tianhong.

 

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5G base station filter

For such a large number of drilling and tapping, it needs to be processed in multiple processes on multiple surfaces, and the frequency of repeated assembly and disassembly is high; and due to its miniaturization and lightweight requirements, it is generally a thin-walled part, without large cutting, and requires high precision. , The product positioning hole has high precision and small machining allowance (0.5-1mm). In this regard, Tianhong molding has been well solved, and the customized finished products meet the needs of users.

 

AAU cooling housing

As one of the large components of the 5G base station, the AAU shell plays a key role in heat dissipation, waterproof and dustproof for the circuit boards and chips in the 5G base station. In addition, the required cavity, heat dissipation surface and installation holes have a significant impact on the surface flatness of the product. , smoothness, shape and position tolerance accuracy and processing efficiency have high requirements. In addition, in terms of waterproof and dustproof, Zhongwei Precision has professional air tightness testing equipment to provide quality assurance.

image002_

5G base station shell cnc processing process

 

Base station equipment parameter comparison table (data from the network)

Factory

BBU

AAU

     

Power consumption (W)

Specification

Dimensions (mm)

Weight (kg)

Power consumption (W)

 

Huawei

1400

64T64R

860×395×190

40

1150

ZTE

3900

64T64R

799×399×161

45

1900

Nokia Bell

1660

64T64R

900×480×144

40

1500

Datang

1850

64T64R

895×490×142

47

1700

Ericsson

1700

64T64R

520×978×150

43

1200

 

Zhongwei Precision has solved the problem of 5G shell processing

The large size and high processing accuracy requirements are one of the keys to determining the high quality of the 5G cavity. For 5G base station housing MIM parts, large thin-walled parts related to AAU housing and filter cavity, which means larger X/Y axis machining stroke. How to carry out such difficult processing and improve the processing efficiency is a great test for CNC processing equipment.

In this regard, Weiwei Precision has mature technology, and has added several large-scale processing equipment with high precision and more than 1 meter. It is a relatively professional 5G cavity processing customized service provider in China.

image004_

Zhongwei cnc processing workshop

100 sets of cnc processing equipment over 1 meter

 

image006_

Testing Equipment

Complete precision testing equipment to ensure product quality

 

Why Choose Zhongwei?

1. Huawei and ZTE cooperative suppliers;

2. 20-year aluminum alloy cavity processing customized service provider, with rich experience in 5G base station housing MIM parts;

3. 100 sets of processing equipment with a stroke of more than 1 meter to meet your mass customization needs

4. Complete precision testing equipment provides guarantee for product quality.

 

5G cavity case show

image008_

 

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