High Pressure Die Casting

High Pressure Die Casting(HPDC)

In a high pressure die casting process, molten metal or metal alloy is injected at high speed and high pressure into the mould. There are two main types: “cold-chamber” and “hot-chamber” processes. Depending on the metal being used, the injection unit that fills the mould can either be hot chamber or cold chamber. In hot chamber die casting, the metal is held within the diecasting machine itself, then drawn into the chamber and forced into the mould by the injection piston. These parts of the machine are in constant contact with the molten metal. In cold chamber process the metal is first melted in a separate furnace and transferred to a holding furnace, then poured into a shot sleeve and injected into the mould.

Hot Chamber Process

The hot-chamber process is applicable only for zinc and other low melting point alloys that does not affect and erode metal pots cylinders and plungers.

Cold Chamber Process

Better suited for metals with high melting points such as aluminum, magnesium, copper alloys etc, metal is liquified and then ladled into a cold chamber where a hydraulically operated plunger pushes the metal into the die.

High-pressure can provide thinner cross-sections than any other casting process, with wall thicknesses under 0.40mm depending on the size of your component and requirements. With high-pressure production, thick sections can be difficult to cast.

Low Pressure Die Casting(LPDC)

Low pressure die-casting primarily uses alloys with low melting points and allows for the production of components up to around 150 kg. The advantages are very high strength and the ability to form complex geometries, whilst maximising material usage. The process is less suitable for very thin-walled parts where the required thickness is less than 3mm.

From Die Casting to Subsequent CNC Machining

Expedited has excellent capability to produce Die Cast parts. By having the ability to produce both complex steel moulds and the aluminium parts themselves, our prices remain extremely competitive and lead times can be reduced. Our clients choose Expedited for the wide suite of manufacturing processes on offer. These include mold tool making, die casting, machining, polishing and plating. If you’re looking for Die Cast parts with a subsequent machining operation or finishing process, We has the capability to provide it under one roof.

Our advanced inspection and test equipment ensures the quality of your raw materials and your finished parts. We invite you to experience our professional service at an unbeatable price when you send us your CAD files for a free quote. Every die casting project is different, and at Expedited, we treat your order with the care and individualized attention it deserves. Contact us today to get a free quote for your next aluminum die casting project.

Quality Assured:

CNC Machining Post-Casting
Tolerances of +/- 0.05mm According To Your Request
High Volumes Of Parts In Short Timescales
Delivered 2 Days Early On Average, Lead Time From 4-5 Weeks

FAIR (First Article Inspection Report)

Professional Team To Control The Quality With Closed-Loop QC System

A Quick, Reliable And Cost-Effective Manufacturing Process For Production Of High Volume

Advantages of the high pressure die casting

High pressure die casting technology can produce very large light alloy parts, in high volumes and great speeds.
ue to the high number of parts, short cycle times and high process reliability, high cost-effectiveness is achieved in die casting.
These machines deliver light alloy parts with high precision, superior surface finish, high strength values and high dimensional stability, stabilityexcellent uniformity and optimum mechanical properties. And the post-processing of the cast parts is reduced.
The high pressure die casting process can also produce components with thin walls and "co-cast” parts with different types of inserts, such as screws and liners, that then become an integral part of the product itself.

Die Casting Materials

Aluminum, Magnesium, Copper, Molybdenum, Zinc etc.

Examples of metals that can be best served by cold chamber machines include aluminum, brass, copper, iron, nickel, and steel. Hot chamber casting is better suited to working with metals such as tin and zinc as well as alloys that have lower melting points.

Top Priority For Mass Production

Die casting is widely used by many engineers and manufacturers due to the ability to create a wide number of high-strength, intricate parts at continuous high speed, reducing part cost. Everything begins with casting the mold itself. The mold cavity is created by using two steel dies which have been machined into shape. while it has higher startup costs  than some other processes, over the long-term it can produce less expensive per-unit costs, especially for mass production. The rugged dies, while a huge capital investment, can produce hundreds of thousands of parts without maintenance, meaning die casting is best used in high volume parts production.

Industries Served

Expedited has a professional die-casting product production line, focusing on aluminum alloy & zinc alloy die-casting services, and has become a technology-leading die-casting product manufacturer in the die-casting industry.The product sales network covers 18 countries around the world and is suitable for almost all industries.

Common aluminum alloy die-casting parts: automobile wheels, radiator equipment, electronic parts, power connectors, communication equipment, electrical enclosures, etc.

Zinc alloy die-casting parts are often used in: automotive circuit parts, controller components, household door handles, children’s toys, miniature models, etc.

Magnesium alloy die-casting parts are commonly used in: electronic equipment, medical equipment, power line connectors and laboratory equipment accessories.

Why Expedited

Quality & Precision

We offers various tolerance options, tight tolerances, ±0.001’’ ~ ±0.0002’’ different according to your drawing. ISO 9001 certified.Advanced inspection equipment In-house, surfometer testing and visual quality standards.

Wide Range of Materials

An extensive range of manufacturing materials over 50+ metal and plastic to suit specific machining and industry requirements. CNC Machining offers a wide variety of certified materials.

Best Manufacturning Solution

We’ll analyze your parts for manufacturability, giving you full visibility into cost drivers and potential manufacturing risks. We offer the best solution for your products. Contact us for help with your requirements

Competitive Prices & Fast Deliver

Factory Direct Price, typically 20-40% less for large batch parts compared to other suppliers. Parts as fast as 3 Days.1to 10000+ parts, fast turn-around.

20+ Years Experiences

Highly skilled and rich experience machinists can produce almost all type parts that meet your expectations. Reliable and flexible production and management capabilities, relying on our State-Of-the-Art CNC equipment, can quickly supply and reduce costs.

A Full Suite of Finishing Services

One-stop machine shop cover all finish services you need. From bead blasting to polishing, anodizing to plating, laser etching and to painting, we offer every surface treatment you need to make a great finished part.

Try Expedited Out Now Produce Your Parts Easy Way

we‘ll analyze your parts for manufacturability, giving you full visibility into cost drivers and potential manufacturing risks. We offer the best solution for your products. Contact us for help with your requirements. We combine the latest CNC milling and turning processes with proprietary technology to deliver high quality, on-demand parts, and help companies accelerate new product introduction,de-risk their supply chains, and get products to market faster.