What is Die Casting?
Die casting is a highly efficient metal casting process that involves forcing molten metal under high pressure into a precisely shaped mold cavity. At SHENZHEN BSH PRECISION DIE-CASTING PRODUCTS CO. LTD., we specialize in this exceptional manufacturing technique, utilizing advanced machinery and skilled craftsmanship to produce high-quality components.
Our die casting process typically involves the use of two hardened tool steel dies that are expertly machined to create the desired shape, functioning similarly to an injection mold. We primarily work with non-ferrous metals, including zinc, copper, aluminum, magnesium, lead, pewter, and various tin-based alloys. By selecting the appropriate hot- or cold-chamber machine based on the type of metal, we ensure optimal results for our clients.
At SHENZHEN BSH, we understand that the casting equipment and metal dies represent significant capital investments. Therefore, we focus on high-volume production to maximize efficiency and reduce costs. Our die casting method is particularly advantageous for producing a large quantity of small- to medium-sized castings, enabling us to deliver more castings than any other process in the industry.
What sets our products apart is the outstanding surface finish and dimensional consistency we achieve through our die casting process. Our commitment to excellence ensures that our clients receive components that meet the highest quality standards. Trust SHENZHEN BSH PRECISION DIE-CASTING PRODUCTS CO. LTD. for all your die casting needs and experience the superior quality and performance of our products.
Global Die Casting Market Overview
According to the latest report by QYResearch, titled "Global Die Casting Market Report 2024-2030," it is expected that the global die casting market size will reach $71.5 billion by 2030, with a compound annual growth rate (CAGR) of 0.9% over the next few years.
High-pressure die casting, commonly referred to as die casting, is a rapidly developing non-cutting special casting method in modern metal processing. It involves filling a mold with molten metal under high pressure and high speed, followed by crystallization and solidification under high pressure to form castings. The primary characteristics of high-pressure die casting are high pressure and high speed. The commonly used pressure is several tens of megapascals, with the filling speed (in-gate speed) approximately 16-80 meters per second. The time taken for the molten metal to fill the mold cavity is extremely short, around 0.01-0.2 seconds.
Due to the advantages of high production efficiency, simplified processes, high dimensional tolerances, good surface roughness, and great mechanical strength, this method significantly reduces the need for extensive machining processes and equipment, as well as material costs. Therefore, it has become an important component of the casting industry.
overview of the global die casting market size for the past 7 years
Year
2020
2021
2022
2023
2024
2025
Market Size (USD Billion)
21.0
25.0
26.5
28.0
29.5
31
Growth Rate (%)
6.7
19.0
6.0
5.7
5.4
5.1
The development trends in the die casting industry
The Ranking Of The Top 10 Die Casting Manufacturers In The World
1. Nemak
Headquarters: Monterrey, Mexico
Business Scope: Primarily produces automotive aluminum alloy components, serving major automotive manufacturers globally, holding an 18% market share in the automotive aluminum casting sector.
Technological Advantage: Utilizes proprietary High-Pressure Die Casting (HPDC) technology to produce large structural castings for electric vehicle platforms, simplifying assembly complexity while achieving a 95% material utilization rate through closed-loop recycling.
2. Ryobi Limited
Headquarters: Hiroshima, Japan
Business Scope: Focuses on the production of precision die castings for the automotive and electronics sectors, specializing in thin-walled and high-tolerance castings.
Technological Advantage: A pioneer in vacuum-assisted die casting since 1993, its "one-shot" casting technology achieves a porosity below 5% for critical safety components and enables an automated cycle time of 15 seconds, facilitating mass production.
3. Georg Fischer AG
Headquarters: Schaffhausen, Switzerland
Business Scope: Its GF Casting Solutions division possesses advanced die casting facilities in Europe and Asia, focusing on producing fluid system components that require leak-proof performance and structural integrity.
Technological Advantage: Features the world's largest two-platen die casting machine (4400t), employing digital twin technology to achieve zero-defect casting, utilizing 80% recycled aluminum in production.
4. Dynacast
Headquarters: Charlotte, North Carolina, USA
Business Scope: Operates 21 production facilities in 16 countries, offering various die casting solutions including multi-slide, cold chamber, and hot chamber die casting, mainly producing small precision metal components in zinc, aluminum, and magnesium alloys.
Technological Advantage: Possesses advanced multi-slide die casting technology capable of producing precision parts with complex shapes that meet high accuracy requirements.
5. GF Casting Solutions
Headquarters: Switzerland
Business Scope: Part of the Georg Fischer Group, provides high-quality die casting products and services worldwide, with applications in automotive, industrial, and sanitary sectors.
Technological Advantage: Boasts rich experience and advanced technology in die casting processes, mold manufacturing, and material research, capable of producing castings with complex shapes and high precision requirements.
6. LK Technology Group
Headquarters: China
Business Scope: Specializes in the R&D, manufacturing, and sales of cold chamber, hot chamber die casting machines, precision injection molding machines, and CNC machining centers, recognized as a global leader in die casting equipment manufacturing, with significant market shares for its die casting machines worldwide.
Technological Advantage: Holds hundreds of patented technologies, with its brand IDRA developing the "Giga Press," a super-large die casting machine that pioneered integrated die casting technology for electric vehicles.
7. Bühler (China) Investment Co., Ltd.
Headquarters: Zurich, Switzerland
Business Scope: Launched its first die casting machine in 1927 and now has three key die casting machine production bases globally centered in Switzerland, China, and other regions, providing efficient and innovative die casting solutions to customers worldwide.
Technological Advantage: Became a leader in real-time control for die casting in the late 1980s and has innovated two-platen technology, with its Ecoline series of die casting machines characterized by high efficiency, energy savings, and environmental friendliness.
8. Frech
Headquarters: Germany
Business Scope: Focused on the R&D and production of hot chamber die casting machines since 1959, gradually becoming a frontrunner in both hot and cold chamber die casting technologies, primarily serving high-demand industries such as automotive, electronics, home appliances, and mobile communications.
Technological Advantage: Known for its outstanding quality, stable high performance, and leading-edge technology, FRECH die casting machines provide advanced production equipment and comprehensive solutions to customers.
9. Shibaura Machine
Headquarters: Japan
Business Scope: As a comprehensive high-end equipment manufacturing enterprise, it offers a wide range of products including injection molding machines, die casting machines, extrusion machines, CNC machine tools, and industrial robots, providing high-performance and reliable die casting equipment to global markets.
Technological Advantage: With deep technological accumulation and excellent manufacturing processes, its die casting machines meet various customer needs and have a strong reputation in the Japanese and global markets.
10. UBE Corporation
Headquarters: Japan
Business Scope: A globally recognized manufacturer of die casting machines, injection molding machines, and extruders, covering a range of cold chamber die casting machines from 140 tons to 9000 tons, widely applied in automotive component manufacturing.
Technological Advantage: Known for precision control, high stability, and durability, it entered the Chinese market in 2001, responsible for the sales of various machinery produced by its parent company in Japan and promoting localized assembly of die casting machines.
Die Casting material
Zinc: The easiest metal to cast; high ductility; high impact strength; easily plated; economical for small parts; promotes long die life.
Aluminium: lightweight; high dimensional stability for very complex shapes and thin walls; good corrosion resistance; good mechanical properties; high thermal and electrical conductivity; retains strength at moderately high temperatures.
Magnesium: the easiest metal to machine; excellent strength-to-weight ratio; lightest alloy commonly die cast.
Copper: high hardness; high corrosion resistance; highest mechanical properties of alloys die cast; excellent wear resistance; excellent dimensional stability; strength approaching that of steel parts.
Silicon tombac: high-strength alloy made of copper, zinc and silicon. Often used as an alternative for investment cast steel parts.
Lead and tin: high density; extremely close dimensional accuracy; used for special forms of corrosion resistance. Such alloys are not used in foodservice applications for public health reasons. Type metal, an alloy of lead, tin and antimony (with sometimes traces of copper), is used for casting hand-set type in letterpress printing and hot foil blocking.
FAQ
Q: What is the characteristics of die casting?
A:
High Precision: Die casting can achieve excellent dimensional accuracy, and the surface of the finished product is smooth, typically requiring little to no post-processing.
Complex Shapes: It is suitable for manufacturing intricate three-dimensional shapes, offering higher design freedom.
High Strength: Die-cast products generally have better mechanical properties, with higher strength and heat resistance.
Rapid Production: The production cycle of die casting is relatively short, enabling the manufacturing of a large number of parts in a short period.
High Pressure and Speed: The molten metal fills the cavity under high pressure and at high speed, resulting in extremely short filling times.
Q: What is the disadvantages of the die casting ?
A:
High Costs: The initial investment in molds and equipment can be significant.
Limited Applicable Metals: Not all metals are suitable for die casting; typically, only non-ferrous metals like aluminum, zinc, and magnesium can be used.
Porosity Issues in Castings: Die-cast parts may have porosity, which can affect their strength and integrity.
Limitations on Casting Size and Shape: There are constraints on the size and complexity of the parts that can be produced, which may not suit all design requirements.
Q: What materials are typically used in die casting?
A: The most commonly used materials in die casting are aluminum, zinc, and magnesium.
Q: What are common defects in die casting and how can they be avoided?
A:
Porosity: Air pockets in the cast, often caused by improper venting or gas entrapment.
Surface defects: Including blemishes or rough spots, which can result from mold issues or contaminated metal.
Dimensional inaccuracies: May arise from poor die alignment or temperature control.
To prevent these defects, it is important to ensure proper mold design, maintain optimal temperature conditions, use high-quality materials, and conduct regular equipment maintenance.
One-stop Die-casting Factory in China
SHENZHEN BSH PRECISION DIE-CASTING PRODUCTS CO.LTD. provide one-stop service for all you need. Including design drawings, raw material you need, different processing , surface finish , assembling service , packing and shipping .
