Why is it called die casting?

Die casting is named so because it involves the use of a metal mold, known as a die, into which molten metal is injected under high pressure. The term "die" refers to the mold or tool that shapes the metal into the desired form during the casting process.

Is high-pressure die casting for plastics?

No, highpressure die casting is primarily used for metals, not plastics. In this process, molten metal is injected into a die under high pressure to produce complex and detailed metal parts with high accuracy and surface finish. Plastics, on the other hand, are commonly processed using injection molding techniques.

What is the difference between low-pressure and high-pressure die casting?

The main difference lies in the pressure used to inject molten metal into the die. In low-pressure die casting, the metal is typically forced into the mold at a lower pressure, allowing for the production of larger and more massive parts. High-pressure die casting, as the name suggests, involves injecting molten metal at significantly higher pressures, resulting in the production of smaller and more intricate parts with finer details.

What is the difference between high-pressure casting and gravity casting?

The key distinction between high-pressure casting and gravity casting lies in the method of metal injection. High-pressure casting involves injecting molten metal into the die under substantial pressure, enabling the production of detailed and high-precision parts. In gravity casting, on the other hand, the molten metal is poured into the mold using the force of gravity, making it a more suitable method for simpler shapes and larger parts that do not require the same level of precision.

What is the alternative to high-pressure casting?

An alternative to high-pressure casting is gravity casting. Gravity casting involves pouring molten metal into a mold without the use of high pressure. While it is less suitable for highly detailed and precision parts, gravity casting is well-suited for larger and simpler shapes. Other alternatives include low-pressure die casting and sand casting, each with its own set of advantages and limitations depending on the specific requirements of the casting project.

High Pressure Die Casting

Welcome to Team-MFG's dedicated space on High Pressure Die Casting—a realm where innovation meets precision, and possibilities are forged under immense pressure.

Dive into the heart of manufacturing excellence, explore the nuanced landscape of its Advantages And Disadvantages, and witness the diverse Applications that make this process an indispensable force in the industry.

Join us on this journey of discovery as we shed light on the art and science behind High Pressure Die Casting, empowering you with insights that shape the future of manufacturing.

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What is High Pressure Die Casting

Team-MFG excels in high-pressure die casting, injecting molten metal into custom steel dies at significant pressures. This streamlined process ensures rapid and cost-effective production of metal parts with impeccable surface finish and dimensional accuracy.
Our expertise spans various metals, including aluminum, zinc, and magnesium, making us the go-to choice for large-scale manufacturing in automotive, aerospace, and medical industries. Team-MFG leverages high pressures and speeds in die casting, delivering precision and efficiency for your metal part needs. Experience innovation and excellence with Team-MFG in metal manufacturing.

How Does High Pressure Die Casting Work？

Prepare the Mold

The first step in High Pressure Die Casting is the preparation of the mold. The mold, also known as the die, is a carefully designed cavity that determines the final shape of the product. It's typically made of two parts, the cover die, and the ejector die, which come together to form the desired shape. The mold is preheated to a specific temperature to ensure proper metal flow and solidification during the casting process.

Inject the Material

Once the mold is ready, the next step is to inject the molten metal into it. This is a crucial stage and can be executed through two main methods: Hot Chamber Injection and Cold Chamber Injection.

Hot Chamber Injection

Hot Chamber Injection is suitable for metals with low melting points, such as zinc, tin, and lead. In this method, the injection system is immersed in a molten metal bath. The plunger, which is part of the injection system, is used to push the molten metal into the die cavity under high pressure. This process ensures a continuous and fast casting cycle, making it efficient for mass production.

Cold Chamber Injection

For metals with higher melting points, like aluminum and copper, Cold Chamber Injection is employed. In this method, the molten metal is poured into a separate chamber, and a plunger is used to transfer the metal into the die cavity. The advantage of this approach is that it prevents the contact between the molten metal and the injection system, reducing wear and prolonging the life of the components.

Part Injection

Once the molten metal has solidified inside the mold and taken the shape of the cavity, the next step is to remove the cast part from the mold. The mold is opened, and the ejector pins push the casting out. This step requires precision and care to avoid any damage to the newly formed part.

Trim the Excess Material

After the part is removed from the mold, it often contains excess material, known as flash, which needs to be trimmed off. Flash occurs at the parting line of the mold, where the two halves meet. Trimming is essential for achieving the final desired shape and ensuring that the part meets the required specifications.

Find Your Pressure Die Casting Solution at TEAM MFG

At TEAM MFG China Limited, our die casting process is meticulously outlined to produce geometrically complex metal parts without compromising on quality. Our pressure die casting mold is cost-effective and methods for producing high-fidelity low to medium volume metal parts with tight tolerances, excellent surface finishes and dimensional precision.

Offering pressure die casting services for over ten years has allowed us to leverage our manufacture capabilities to deliver low-volume batch production of as little as 30 to 1000 units, while operations are very scalable to achieve up to 100,000 + parts at an even lower cost-per-part.

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Pressure Die Casting Materials

Mold Tools

Our mold tools are usually made in H13 tool steel with a Rockwell hardness of 42-48. 2. Specialty steels are available upon request.

Die Cast Parts

Different metals are available for casting. Your choice of materials may depend on cost, weight and performance.

Here are some tips:

1. Aluminum is ideal for strong, lighweight yet complex geometries. It can also be highly polished. Our alloys include ADC12, A380, ADC10 and A413.

2. Zinc is the least expensive but is good for plating. Available alloys are Zinc #3 and #5.

3. Magnesium offers the best strength-to-weight ratio for higher performance applications. We offer magnesium alloy AZ91D.

Advanced CNC Machines For Post-Machining

In order to achieve an accurate process and high precise die casting parts, TEAM MFG invests a series of advanced CNC machines and tools. Combining with the rich CNC machining experience, we know how to make jig fixture to shorten machining time and guarantee the post machining accuracy.

Therefore you can find a competitive price and a short lead time solution under one-roof at TEAM MFG.

High Pressure Die Casting Advantages And Disadvantages

Advantages

Higher Production Rates:

Team-MFG's High Pressure Die Casting ensures swift and efficient metal part production, meeting high-volume demands with ease.

Good Quality Parts Manufactured:

Consistent precision and tight tolerances make Team-MFG's High Pressure Die Casting a reliable choice, producing superior parts that exceed industry standards.

Ability To Create Thin Walls:

Team-MFG's High Pressure Die Casting offers versatility by crafting intricate designs with thin walls, making it ideal for industries requiring lightweight structures.

Achieve Complex Design:

Team-MFG's High Pressure Die Casting is the solution for intricate designs, allowing designers to innovate and create sophisticated components.

Durable Tools:

Durable molds in Team-MFG's High Pressure Die Casting contribute to cost-effectiveness and reliability in high-volume production runs.

Disadvantages

Requires Complex and Expensive Equipment:
High Pressure Die Casting offers efficiency but demands sophisticated and costly machinery.
Comparatively High Startup and Operation Costs:
While ensuring high-quality production, High Pressure Die Casting involves relatively higher startup and operational expenses.
Less Suited to Limited Production Runs or Individual Casting:
High Pressure Die Casting excels in high-volume production scenarios but may not be the most cost-effective choice for limited runs or individual casting needs.

Why Us For Pressure Die Casting

Professional engineering supports and analysis

Low volume manufacturing is acceptable

High efficiency and fast delivery

Stable quality under ISO quality control system

Multiple materials and methods to cut down investments

Application of High Pressure Die Casting

High Pressure Die Casting (HPDC) stands as a versatile and efficient manufacturing process, finding widespread applications across diverse industries.

Automotive

The automotive industry is a primary beneficiary of High Pressure Die Casting due to its ability to produce lightweight yet durable components. The demand for such components has surged, driven by the need for fuel-efficient vehicles without compromising on strength.

This process facilitates the creation of intricate shapes and thin-walled sections, enhancing fuel efficiency. Aluminum, magnesium, and zinc alloys, with their favorable strength-to-weight ratios, are commonly employed in automotive HPDC. This aligns seamlessly with the industry's pursuit of sustainability, enabling substantial reductions in vehicle weight, contributing to lower fuel consumption, and reduced emissions.

Aerospace

In the aerospace sector, precision and performance are paramount, making High Pressure Die Casting an integral part of manufacturing processes. Aircraft components demand materials that are lightweight yet possess high structural integrity.

Critical aerospace components like engine parts, airframe components, and structural elements benefit from HPDC's ability to create intricate and complex designs with precision. This ensures that aerospace manufacturers can meet the demanding specifications required for safe and efficient flight. The lightweight properties of materials produced through HPDC contribute to fuel efficiency, reducing operational costs and environmental impact, aligning with the industry's commitment to innovation and safety.

Medical

In the medical field, precision, reliability, and biocompatibility are crucial, making High Pressure Die Casting a valuable tool in the production of various medical devices and equipment. The demand for complex designs and lightweight materials finds a suitable match in HPDC.
Medical equipment, such as diagnostic devices, patient monitoring systems, and imaging components, often requires intricate shapes and designs that are challenging to achieve through traditional manufacturing processes. HPDC addresses these challenges by providing a cost-effective and efficient method for producing such components.
Materials like aluminum, magnesium, and zinc, known for their biocompatibility and corrosion resistance, become preferred choices in medical HPDC. The lightweight nature of the produced components proves particularly advantageous in portable medical devices, enhancing their usability and maneuverability.

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Metal Pressure Die Casting

Why is it called die casting?

Die casting is named so because it involves the use of a metal mold, known as a die, into which molten metal is injected under high pressure. The term "die" refers to the mold or tool that shapes the metal into the desired form during the casting process.
Is high-pressure die casting for plastics?

No, highpressure die casting is primarily used for metals, not plastics. In this process, molten metal is injected into a die under high pressure to produce complex and detailed metal parts with high accuracy and surface finish. Plastics, on the other hand, are commonly processed using injection molding techniques.
What is the difference between low-pressure and high-pressure die casting?

The main difference lies in the pressure used to inject molten metal into the die. In low-pressure die casting, the metal is typically forced into the mold at a lower pressure, allowing for the production of larger and more massive parts. High-pressure die casting, as the name suggests, involves injecting molten metal at significantly higher pressures, resulting in the production of smaller and more intricate parts with finer details.
What is the difference between high-pressure casting and gravity casting?

The key distinction between high-pressure casting and gravity casting lies in the method of metal injection. High-pressure casting involves injecting molten metal into the die under substantial pressure, enabling the production of detailed and high-precision parts. In gravity casting, on the other hand, the molten metal is poured into the mold using the force of gravity, making it a more suitable method for simpler shapes and larger parts that do not require the same level of precision.
What is the alternative to high-pressure casting?

An alternative to high-pressure casting is gravity casting. Gravity casting involves pouring molten metal into a mold without the use of high pressure. While it is less suitable for highly detailed and precision parts, gravity casting is well-suited for larger and simpler shapes. Other alternatives include low-pressure die casting and sand casting, each with its own set of advantages and limitations depending on the specific requirements of the casting project.

Related High Pressure Die Casting Blogs

What do you need to consider for low-volume manufacturing?

2023-07-28

An enterprise produces several products, but instead of producing these several products at the same time, it is a production organization method that produces batches one at a time. Batch refers to the number of identical products (or parts) produced at one time by an enterprise (or workshop) in a

How to maintain the pressure die casting machine?

2023-09-05

Maintaining a pressure die casting machine well is important. Only if the machine is well maintained, its life span will be greatly extended. This will not only let the enterprise benefit greatly but also let the customer enjoy the high-quality die-casting service. Here we will talk about how to protect the machine. The maintenance machine should be divided into the following points.

What are the processes of die casting?

2023-08-25

The high-pressure die casting process (or conventional die casting) consists of four main steps. These four steps include mold preparation, filling, injection, and sand drop, and they are the basis for various modified versions of the die casting process. Let's introduce these four steps in detail.H

What should die casting pay attention to in design?

2023-08-11

Under the premise of satisfying the function of the product, it is reasonable to design pressure die casting, simplify mold structure, reduce cost, defects and improve the quality of casting parts. Since the injection molding process is derived from the casting process, the die casting design guidel

When should we pay attention to when die-casting？

2023-06-29

During the process of die casting, various problems will inevitably occur. We need to find the problems and solve them even if they occur. Some of the common problems are pouring overflow, mold requirements, internal gate, and overflow tank.

What are the characteristics of die casting?

2023-06-23

Die-casting is a precision casting method, through the casting and it into the dimensional tolerance is very small, the surface accuracy is very high, in most cases, die-casting without turning to process can be assembled applications, threaded parts can also be cast directly out. From the general camera parts, typewriter parts, electronic computing devices and decorations, and other small parts, as well as automobiles, locomotives, aircraft, and other vehicles, most of the complex parts are manufactured using the method. Die-casting is different from other casting methods is the main characteristic of high pressure and high speed.

The introduction of Die Casting

2023-06-15

Pressure die casting is a metal casting process characterized by the application of high pressure to the molten metal inside the mold cavity. The mold is usually machined from a hard, rigid alloy. The process of casting is somewhat similar to injection molding. We classify machines into two different types depending on the type of it, hot chamber dies casting machines and cold chamber die casting machines. The difference between these two types of machines is the amount of force they can withstand. Usually, they have a pressure range between 400 and 4000 tons.

What are the forms of failure of die casting?

2023-06-08

Many factors would cause die casting failure, both external and internal. If a die fails early, it is necessary to find out which internal or external causes are responsible for future improvement. There are three failure forms of die casting, they are damage, fragmentation, and corrosion. Let's take a look at each of the three failure modes.