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Rich Experience

Dongguan Chengzhu Metal Products Co., Ltd. was established on April 28, 2013. It is an enterprise integrating the molding, research and development, production and marketing of light alloy materials.

One-stop Solution

The business scope includes the manufacturing of precision die casting molds for magnesium alloys, aluminum alloys and other light alloys, and the R&D, design, production and sales of die castings.

Widely Used Products

Products are mainly used in medical equipment, unmanned aircraft parts, robot/manipulator parts, new energy vehicle parts, motorcycles, electric vehicles, Motorized scooter, electric tools, sports equipment, 3C, LED, industrial parts and other fields.

 

What Are the Products of Communication Device
 
 

Alloy Die-Casting Shell For Walkie-Talkie
Alloy die-casting shells are commonly used in the manufacturing of walkie-talkies to provide a durable and protective outer casing. Walkie-talkies are portable communication devices that are widely used in various industries, including public safety, construction, and outdoor activities. The alloy die-casting process offers several advantages in producing shells for walkie-talkies.


Radio Station Aluminum And Magnesium Alloy Die-Cast Housing
Aluminum and magnesium alloys are often chosen for die-casting radio station housings due to their lightweight nature and high strength-to-weight ratio. Aluminum alloys such as ADC12 or A380 and magnesium alloys such as AZ91D are commonly used for their excellent casting properties and corrosion resistance.


Digital TV Aluminum Alloy Die-Casting Shell
Aluminum alloy die-casting shells play a crucial role in the manufacturing of digital TV equipment, providing a durable and protective outer casing for various electronic components. Digital TV technology relies on intricate systems for signal processing, and the die-cast shell ensures the integrity and performance of these components.

 

What Are the Advantages of Die-Casting the Casing of Walkie Talkies

 

 

High speed production: Die casting provides complex shapes within closer tolerances than many other mass production processes. Little or no machining is required and hundreds of thousands of identical castings can be produced before additional tooling is required.


Dimensional accuracy and stability: Die casting produces parts that are dimensionally stable and durable, while maintaining close tolerances. Castings are also heat resistant.


Strength and weight: The die casting process is suited for thin wall parts, which reduce the weight, while maintaining strength. Also, die casting can incorporate multiple components into one casting, eliminating the need for joining or fasteners. This means that the strength is that of the alloy rather than the joining process.


Multiple finishing techniques: Die cast parts can be produced with a smooth or textured surface, and they are easily plated or finished with minimum or surface preparation.


Simplified assembly: Die castings provide integral fastening elements, such as bosses and studs. Holes can be cored and made to tap drill sizes, or external threads can be cast.

 

Die Cast Process: Alloy Die-Casting Shell For Walkie-Talkie

Different types of die casting processes.

Hot-Chamber

Used for zinc, some magnesium alloys, and other low-melting, hot-chamber die casting is a great option for alloys that do not readily attack and erode metal pots, cylinders, and plungers.

Cold-Chamber

Better suited for metals with high melting points such as aluminum, during cold-chamber die casting, metal is liquefied and then ladled into a cold chamber where a hydraulically operated plunger pushes the metal into the die.

Alloy Die-casting Shell For Walkie-talkie

 

Characteristics of the Material of the Walkie Talkie Casing
 
 

ADC12 provides resistance to cracking under heat and is perfect for components that enhance die-filling characteristics. The aluminum properties are of excellent quality. It is easy to cast and holds dimensional stability, which offers an ideal balance of value and performance.


There are other advantages of ADC12, including good corrosion resistance, outstanding mechanical properties, and good machinability due to higher silicon levels and lower levels of copper.


ADC12 is a modified ADC10 alloy used when needing additional die filling precision. This alloy does not offer as much strength as ADC10, but it does perform well when completing complicated aluminum die-casting projects. ADC12 is also much easier to work with when compared to A360. Selecting aluminum alloys best-suited for the job is critical at the design stage. ADC12 is a material worth considering for your manufacturing and development needs.

 

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Standard Tolerances for Alloy Die-Casting Shell for Walkie-Talkie

The typical range of tolerances for die casting depends on several factors, including the part's complexity, material properties, and manufacturing process capabilities. In general, the tolerance range for most dimensions in die casting is +/- 0.005 inches to +/- 0.015 inches. However, some parts may require tighter tolerances, which can range from +/- 0.001 inches to +/- 0.003 inches.

 

How to improve the tolerance of alloy die-casting housing of walkie-talkie

Several strategies can be used to improve the tolerance of alloy die-casting shells for walkie-talkies, including:

Design Optimization

Simplify part geometry and reduce complexity to improve tolerance.

01

Material Selection

Choose alloys with higher strength and dimensional stability.

02

Die Design and Construction

Ensure proper alignment and minimize distortion in the die.

03

Process Control

Monitor and adjust casting variables, such as temperature and pressure, to maintain accuracy.

04

Post-Processing Operations

Utilize heat treatment and machining to refine part dimensions and surface finish.

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What are the process parameters of the alloy die-casting shell of the intercom?

 

 

The process parameters studied in the experimental analysis include pouring temperature, high-speed switching point positions, and critical injection speed. These parameters each affect the solidification state and filling process of the alloy die-casting shell for walkie-talkies.


The ADC12 die-casting aluminum alloy is used as the test material for this study. The main die-casting process parameters are as follows: die casting pressure is 80 MPa, pouring temperature is 660°C, and mold temperature is 220°C. The injection high speed is 3.0 m/s, and the high- and low-speed switching point positions are set at 450 mm.


The experiment primarily examines the impact of pouring temperature, high-speed switching point position, and critical injection speed on micropore defects and the mechanical properties of the die casting. Five pouring temperatures ranging from 660°C to 700°C are tested to evaluate their effect on casting quality. The high-speed switching point positions are set at 450 mm, 460 mm, and 470 mm. Additionally, four critical injection speeds—2.5 m/s, 2.7 m/s, 3.0 m/s, and 3.5 m/s—are tested to study their effect on the structure, defects, and mechanical properties of the die castings.

 

What Pressure Is Used for Die-Casting Alloy Shells for Walkie Talkies
 
 

Alloy casing for walkie talkies die casting is a type of die casting method that makes use of a metal mold (usually made from premium, heat-resistant steel grades) into which a non-ferrous metal, such as aluminum, zinc, lead, magnesium, copper, or tin, is injected or introduced. This process involves forcing molten metal under pressure and high velocity into a mold cavity (die) that is machined into the desired shape. There are two forms of pressure die casting: low-pressure die casting (LPDC) and high-pressure die casting (HPDC). With LPDC, the metal is injected into the mold at low pressures, usually between 2–15 psi. HPDC injects the alloy into the mold at high pressures, usually between 1,500 and 25,400 psi. This metal manufacturing process is suitable for high-volume production of parts that are net-shaped and have tight tolerances.


Pressure die casting works as follows. Molten metal is forcefully injected under pressure into an engineered closed steel die cavity. This die is composed of two main parts: a stationary half and a moving half, both securely attached to the platens of the die casting machine.


On one end, the die casting machine features an injection mechanism that employs both hydraulics and pressurized gas to propel a piston forward, thus pushing the molten metal into the steel die with precision and force. On the opposite end, the machine is equipped with a clamping mechanism that makes use of hydraulics and mechanical toggles. This mechanism is designed to withstand the significant injection pressure, ensuring the die remains firmly closed as the metal part undergoes solidification. This highly efficient process is capable of converting molten metal into a solid, near-net-shape part within mere seconds.


With LPDC, the pressure that the system is placed under falls within the range of 2–15 psi, whereas for HPDC, this is between 1,500–25,400 psi. HPDC involves the rapid horizontal injection of alloy into the die through a high-speed ram, taking place within a remarkably short time frame (10–100 ms). In contrast, LPDC operates at a significantly slower pace, employing a more controlled and gentle approach in which inert gas pressure gently forces the alloy upwards into the mold. In both low-pressure and high-pressure die casting processes, the applied pressure is sustained until the metal casting has fully solidified.

 

Our Factory

 

Dongguan Chengzhu Metal Products Co., Ltd. was established on April 28, 2013. Its registered address is located at No. 1, 1st Street, Fujie, Tangqiu Village, Liaobu, Dongguan City. Its legal representative is Zhao Chenhuang, with a registered capital of 3 million yuan. It is an enterprise integrating the molding, research and development, production and marketing of light alloy materials, and a well-known enterprise in Guangdong Province producing light alloy products.
The business scope includes the manufacturing of precision die casting molds for magnesium alloys, aluminum alloys and other light alloys, and the R&D, design, production and sales of die castings, which are mainly used in medical equipment, unmanned aircraft parts, robot/manipulator parts, new energy vehicle parts, motorcycles, electric vehicles, Motorized scooter, electric tools, sports equipment, 3C, LED, industrial parts and other fields.

 

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FAQ

 

Q: What is alloy die-casting shell for walkie-talkie?

A: Alloy die-casting shells are commonly used in the manufacturing of walkie-talkies to provide a durable and protective outer casing. Walkie-talkies are portable communication devices that are widely used in various industries, including public safety, construction, and outdoor activities. The alloy die-casting process offers several advantages in producing shells for walkie-talkies.

Q: How do you know if a part is alloy die-casting shell for walkie-talkie?

A: You may also see lines where the dies come together for each half. Another element you may find, but more typically found on die cast plastics is the die separator marks - typically little round punch looking artifacts. You may also find material label marks or casting time/serial marks - especially on plastics

Q: What is the standard tolerance for alloy die-casting shell for walkie-talkie?

A: In general, the tolerance range for most dimensions in die casting is +/- 0.005 inches to +/- 0.015 inches. However, some parts may require tighter tolerances, which can range from +/- 0.001 inches to +/- 0.003 inches.

Q: What are the failure modes of alloy die-casting shell for walkie-talkie?

A: The die casting die is heated and cooled rapidly in the process of die casting, which is easy to produce thermal fatigue cracks, which will lead to fatigue fracture, damage, and ultimately failure. Thermal fatigue cracking is one of the most common failure mechanisms of die casting dies.

Q: What are the parameters of alloy die-casting shell for walkie-talkie?

A: Pouring temperature, high-speed switching point positions, and critical injection speed are selected as the three process parameters of the experimental study. The selected process parameters respectively have an impact on the solidification state and filling process.

Q: What are the characteristics of walkie talkie casing materials?

A: ADC12 provides resistance to cracking under heat and is perfect for components that enhance die-filling characteristics. The aluminum properties are of excellent quality. It is easy to cast and holds dimensional stability, which offers an ideal balance of value and performance.
There are other advantages of ADC12, including good corrosion resistance, outstanding mechanical properties, and good machinability due to higher silicon levels and lower levels of copper.
ADC12 is a modified ADC10 alloy used when needing additional die filling precision. This alloy does not offer as much strength as ADC10, but it does perform well when completing complicated aluminum die-casting projects. ADC12 is also much easier to work with when compared to A360. Selecting aluminum alloys best-suited for the job is critical at the design stage. ADC12 is a material worth considering for your manufacturing and development needs.

Q: Which metal is not commonly used for alloy die-casting shell for walkie-talkie?

A: It is not feasible to die-cast ferrous metals. But, to be honest, it is not impossible either. The main reason is the high melting temperature of ferrous metals. It makes ferrous metals hard to handle.

Q: What is the pressure for alloy die-casting shell for walkie-talkie?

A: There are two forms of pressure alloy die-casting shell for walkie-talkie: low-pressure alloy die-casting shell for walkie-talkie (LPDC) and high-pressure alloy die-casting shell for walkie-talkie (HPDC). With LPDC, the metal is injected into the mold at low pressures, usually between 2–15 psi. HPDC injects the alloy into the mold at high pressures, usually between 1,500 and 25,400 psi.

Q: How accurate is alloy die-casting shell for walkie-talkie?

A: Advantages of alloy die-casting shell for walkie-talkie: Excellent dimensional accuracy (dependent on casting material, but typically 0.1 mm for the first 2.5 cm (0.004 inch for the first inch) and 0.02 mm for each additional centimeter (0.002 inch for each additional inch).

Q: What is the maximum thickness for alloy die-casting shell for walkie-talkie?

A: However, as a general guideline, the maximum wall thickness for aluminum and zinc alloy die-casting shell for walkie-talkie is typically around 25mm (1 inch). This maximum thickness is not a hard and fast rule and may need to be adjusted based on the specific requirements of the application.

Q: Why is aluminium used in alloy die-casting shell for walkie-talkie?

A: Alloy die-casting shell for walkie-talkie alloys are lightweight and possess high dimensional stability for complex part geometries and thin walls. Aluminum withstands good corrosion resistance and mechanical properties as well as high thermal and electrical conductivity, making it a good alloy for alloy die-casting shell for walkie-talkie.

Q: Can alloy die-casting shell for walkie-talkie be reused?

A: Aluminum die cast products used in automobiles and other vehicles are recyclable after disposal, and are reused as secondary aluminum alloys.

Q: Why is aluminum magnesium alloy casting good?

A: Aluminum magnesium alloy casting is characterized by high dimensional accuracy and allows for the mass production of thin-walled products with complex shapes. aluminum magnesium alloy casting also has the advantage of producing smooth casting surfaces requiring less machining after molding.

Q: Why is alloy die-casting shell for walkie-talkie so expensive?

A: Although investment casting can achieve intricate details and superior surface finishes, it often incurs higher tooling costs due to the complexity of the process and the need for precise wax pattern creation. Additionally, the materials used in investment casting, such as ceramic shells, contribute to overall costs.

Q: How sustainable is alloy die-casting shell for walkie-talkie?

A: The materials used in alloy die-casting shell for walkie-talkieare easily recyclable. Aluminum, the most commonly used metal in aluminum magnesium alloy casting, is cost effective, energy efficient, and easy to recycle.

Q: What is the minimum radius for alloy die-casting shell for walkie-talkie?

A: Generally, the fillet radius of alloy die-casting shell for walkie-talkies should not be less than 1 mm, and the minimum fillet radius should be 0.5 mm. – The radius and fillet can increase structural integrity. – The inner radius of the aluminum magnesium alloy casting part should be at least the wall thickness.

Q: What is the tolerance for alloy die-casting shell for walkie-talkie?

A: In general, the tolerance range for most dimensions in alloy die-casting shell for walkie-talkie is +/- 0.005 inches to +/- 0.015 inches. However, some parts may require tighter tolerances, which can range from +/- 0.001 inches to +/- 0.003 inches.

Q: What is the melting point of alloy die-casting shell for walkie-talkie?

A: Aluminum alloys have a high melting point, transforming from solid into liquid at about 1150°F to 1300°F (621°C to 704°C). Zinc alloys have a lower melting point at less than 725°F (385°C). Zinc-Aluminum (ZA) alloys have a slightly higher melting range of 800°F to 900°F (427°C to 482°C).

Q: Why are non-ferrous metals used in alloy die-casting shell for walkie-talkie?

A: Corrosion Resistance: Non-ferrous metals like aluminum, copper, and bronze exhibit excellent corrosion resistance, making them suitable for outdoor and marine applications. This property helps extend the lifespan of components exposed to harsh environments.

Q: How can you be safe alloy die-casting shell for walkie-talkie?

A: Top 5 safety measures in alloy die-casting shell for walkie-talkie
Use of personal protective equipment – alloy die-casting shell for walkie-talkie.
Do not use any equipment or materials that are defective – alloy die-casting shell for walkie-talkie.
Maintaining a clean and organized workplace – alloy die-casting shell for walkie-talkie.
Implementing a first aid program – alloy die-casting shell for walkie-talkie.
Have an emergency response team – alloy die-casting shell for walkie-talkie.

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