5g-products

Die-casting technology supported 5G products

The advent of 5G technology is driving new demands for internet infrastructure, with the number of bases and associated costs more than doubling compared to 4G. According to reports, five major industries—mobile terminals, automobiles, industrial internet, medical health, and entertainment—are poised to benefit significantly from 5G advancements.

The increased demand for 5G communication bases and wave filters is also stimulating growth in the die-casting industry across the entire supply chain. This growth encompasses the development of wave filter cavity design and radiator boxes.

The rising complexity and quantity of wave filter designs are inevitable trends, leading to significant increases in value and sales volumes. GRefee has been active in the 5G market since 2016, conducting in-depth research on the requirements, die-casting molds, CNC processing, and surface management of 5G products. Our team has established comprehensive manufacturing standards for 5G production.

5G Communication Radiator Box

The radiator box utilizes Rheo-diecasting technology with Semi-solid Aluminum Alloys. The dimensions of the radiator cavity are 903mm x 445mm, offering high thermal conductivity with a rate of 175W/m.K (compared to regular die casting at 130W/m.K). The die-casting heat sink measures 100mm in height, with a small end thickness of 0.8mm and a single draft side sloping angle of 0.8°.

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Additionally, to enhance thermal capacity, heat sinks are becoming larger and thinner. CONOVAWELL utilizes advanced die-casting technologies, enabling us to manufacture products with heights exceeding 100mm and thicknesses as low as 0.6mm or more.

However, attention must be paid to potential dimensional instability in die-casted parts due to uneven or inappropriate temperatures during the manufacturing process. Possible defects during production include distorted ejector castings, hot pressing, dip molding, surface sags, internal shrinkage, or thermal bubbles.

Significant differences in mold temperatures can impact production cycle data such as filling time, cooling time, and coating time. Moreover, excessive heat or cold conditions can affect mold service life and lead to the cracking of expensive steel materials.

Communication base wave filter assembly parts

Communication base wave filter assembly parts are critical components of the RF system. They function primarily by bypassing specific frequency proportions of sending and receiving signals, thereby significantly reducing their frequency proportions.

In the realm of 3G/4G, metal coaxial cavities have been the mainstream choice in the market due to their low cost and mature technologies.

The die-casting rough embryo products have a wall thickness of 2.8mm and a filling length of 340mm. Many pillars inside the cavity lack connection and support, making them susceptible to distortion if the wall thickness of large parts is too thin.

These products have complex structures and limited space, requiring higher precision, polish, and surface hardness parameters for the mold products.

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In the realm of base station filters, cavity filters are typically the preferred choice for each base. With ongoing advancements in Dielectric filters, the goal is to develop more dielectric filters characterized by minimal loss, compact size, and high-quality factors in the future.

Grefee’s die-casting technical team will establish heat balance temperatures and minimize temperature tolerances to ensure stability, thus keeping the die-casting molds within the standard die-casting temperature range.

The liquid will fill the die-casting mold cavities according to design requirements, resulting in products with clean surfaces, crisp outlines, and high quality.

The die-casting industry is turning into an intellectualized

With the advent of 5G, there is a significant push for the advancement and proliferation of intelligent die-casting factories. Intelligent manufacturing has emerged as a new approach to enhance enterprise management, explore emerging markets, and undergo comprehensive transformation.

Given the heightened production requirements of 5G products, quality assurance and production efficiency must align with automotive die-casting manufacturing programs and replace traditional manual labor.

In the construction of automotive die-casting production models, intelligent die-casting represents our forefront, indicating our commitment to seizing opportunities and securing a large market share in the continually competitive market.

The emergence of new demands in the 3C industry, led by 5G, encompasses new applications such as automobile structural parts, new energy vehicles, building formwork, self-solidification, squeeze casting, and other new manufacturing technologies. Digitalized automation and intelligent new technologies have profoundly and positively influenced this industry.

This landscape presents both challenges and opportunities. In 2022, our die-casting exhibition will be centered on “efficient die-casting production with digitalized allocation and intellectual development” as our primary focus for improvement. We remain committed to leading the industry forward.

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