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Home - News - Zetwerk Advances Manufacturing with Precision Die Casting

Zetwerk Advances Manufacturing with Precision Die Casting

January 16, 2026

From the intricate components beneath automobile hoods to the lightweight yet sturdy parts in aerospace vehicles, and even the essential structural elements in everyday lighting fixtures - how are these precision components manufactured? Die casting, this ancient yet modern metal forming process, plays a crucial role across industries with its unique advantages.

Die Casting: The Art of Precision Metal Forming

Die casting is a metal forming process where molten metal is injected under high pressure into a mold cavity, cooling and solidifying into the desired shape. This method produces components with high precision, complex details, and excellent functionality. Die-cast parts find applications across numerous industries including automotive, aerospace, power equipment, lighting, and firearms manufacturing.

Common die-cast materials include:

  • Aluminum
  • Zinc
  • Copper
  • Brass
  • Bronze alloys

The advantages of die casting include:

  • High precision and complexity: Capable of producing parts with intricate geometries and fine dimensional accuracy
  • High efficiency and low cost: An efficient mass production method that reduces per-unit costs
  • Superior material properties: Excellent strength, hardness, and corrosion resistance for demanding applications
  • Excellent surface finish: Smooth surfaces reduce the need for secondary processing
Quality Assurance in Die Casting Production

Leading manufacturers employ experienced tool design teams and utilize industry-standard software with mold flow analysis tools to ensure high-quality die-cast components. Production capabilities typically support both high-volume manufacturing and smaller batch production (using soft tooling).

Common die casting processes include:

  • High-pressure die casting (HPDC): Ideal for mass production of high-strength parts with excellent surface finish
  • Low-pressure die casting (LPDC): Suitable for large or complex parts, reducing porosity and shrinkage
  • Gravity die casting (GDC): Appropriate for smaller production runs requiring good mechanical properties

Semi-permanent mold casting processes are also available, utilizing one or more sand cores to create internal channels in cast components. Production facilities typically offer both hot-chamber and cold-chamber die casting machines, with machine tonnage selected based on part size and cavity quantity requirements.

Industry Applications of Die Cast Components

Die-cast parts serve critical functions across multiple sectors:

Aluminum Castings
  • Safety-critical components for aerial work platforms
  • Precision multi-axis gearbox housings (with multiple holes maintaining TP values of 0.002 inches)
  • High-pressure die-cast wheels capable of withstanding extreme fatigue stress
Copper Alloy Castings
  • Solutions for water, wind, and power transmission industries
  • Various available alloys including lead-free bronze (e.g., C89520) and phosphor bronze
Gray Iron Castings
  • Components ranging from 5kg precision gearbox housings to 14-ton machined counterweights
Ductile Iron Castings
  • Standard 5kg to 20kg machined housings
  • 200kg railway gearbox housings meeting Grade 1 X-ray inspection requirements
  • Multiple -40°C Charpy impact-tested components for wind power applications
Low Alloy Steel Castings
  • Thin-wall structural castings with X-ray quality for luxury automotive brands
  • Heavy steel castings for railway and construction applications
Specialty Alloy Castings
  • New applications for 304 and 316 stainless steel
  • Complex high-nickel alloys for power generation components
  • Corrosion-resistant castings

Custom die-cast components are manufactured using various materials including aluminum, zinc, copper, brass, and bronze. Secondary operations such as finishing and surface treatments are commonly performed on die-cast parts.

Manufacturing Process Optimization

Tool design represents a critical optimization step that enhances efficiency in manufacturing die-cast components. Proper mold design accounts for manufacturing tolerances and typical wear patterns during use.

First Article Inspection Reports (FAIR) form an essential part of reliable product development programs. Detailed inspections help prevent out-of-tolerance components and minimize rework of die-cast parts.

Recent global events have highlighted the importance of inventory management and supply chain resilience. Traditional just-in-time approaches may limit responsiveness to market fluctuations, making globally connected supply partnerships increasingly valuable for building resilient, multi-source supply chains.

Comprehensive manufacturing services focus on reducing turnaround times while improving efficiency and value. Well-managed projects typically demonstrate greater cost-effectiveness and faster time-to-market.

Project management throughout the manufacturing process ensures proper guidance at each step, with regular updates provided to monitor production and share project information with relevant stakeholders.