Gravity Die Casting Services

We specialize in producing high-quality Gravity Die Casting Services to ensure optimal performance and durability in casting processes. We understand that GDC Dies are essential for the success and quality of casting operations in precision engineering.

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Advantages of Gravity Die Casting Services

Reduced Thermal Gradient Effects

In gravity die casting, the molten metal is poured into a preheated die, which helps maintain a uniform temperature across the casting. This reduces thermal gradient effects and minimizes internal stresses and defects such as warping and shrinkage.

Enhanced Mechanical Properties Due to Controlled Cooling

The process allows for controlled cooling rates due to metal dies, which helps achieve a refined microstructure. This controlled solidification can enhance mechanical properties like tensile strength and fatigue resistance by reducing the formation of coarse grains and promoting uniform crystal structures.

Precise Control Over Metal Flow Dynamics

Gravity die casting enables precise control over the flow dynamics of the molten metal. This control reduces the likelihood of air entrapment and ensures that the metal fills intricate die cavities, improving the cast parts' overall integrity and dimensional accuracy.

Improved Die Life and Dimensional Stability

Using high-quality, heat-treated dies in gravity die casting extends the life of the dies and maintains dimensional stability over multiple casting cycles. The thermal and mechanical stresses are evenly distributed, reducing die wear and ensuring consistent part quality throughout production runs.

Precision Engineering in Gravity Die Casting Dies

At Frigate Die Casting Services, our Gravity Die Casting Dies are built with high-grade materials and advanced technology, reflecting top-tier precision engineering and durability. These dies are made to precise specifications, meet high-quality standards, and are built to handle the tough conditions of gravity die casting. As suppliers of these dies, we ensure that their precision machining and innovative designs contribute to efficient and reliable casting operations, consistently delivering high-quality results. 

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Our Gravity Die Casting Process

Die Preparation

The metal die is cleaned and preheated to a specific temperature to prevent thermal shock and ensure uniform metal flow. A release agent is then applied to the die to allow easy removal of the casting. 

Pouring

Molten metal, typically aluminum or another alloy, is manually poured into the die cavity using gravity. Gravity ensures a controlled metal flow, filling the die evenly without external pressure. 

Solidification

As the metal cools inside the die, it solidifies. The controlled cooling process helps achieve a uniform structure, reducing internal stresses and improving the cast part's mechanical properties. 

Ejection

The die is opened once the metal has fully solidified, and the cast part is ejected. Care is taken to ensure the casting retains its precise shape and dimensional accuracy. 

Finishing

After removal, the cast part may undergo minor finishing processes such as trimming excess material, surface treatments, or machining, depending on the application's requirements. 

Gravity Die Casting Services

Gravity die casting uses various metals to produce high-quality components. The choice of material depends on the components’ requirements, such as strength, weight, and corrosion resistance. 

Aluminum Alloys

These are commonly used due to their lightweight, good mechanical properties, and corrosion resistance. Aluminum alloys like A356 and 319 are often chosen for their strength and durability in automotive and aerospace applications.

Zinc Alloys

Zinc alloys are ideal for complex shapes and thin walls because they are known for their excellent fluidity and reproduction of fine detail. They also offer good mechanical properties and resistance to corrosion, making them suitable for electronic and precision components. 

Magnesium Alloys

These alloys are selected for their high strength-to-weight ratio. Magnesium is used in applications where reducing weight is an important factor, including aerospace and automotive industries. It also offers good castability and dimensional stability. 

Copper Alloys

copper-based alloys, such as brass and bronze, are used for their superior mechanical properties, including high strength and wear resistance. They are suitable for parts that require good thermal and electrical conductivity. 

Enhancing Casting Efficiency with Gravity Die Casting

Gravity die casting provides precise dimensional accuracy and smooth surfaces, reducing the need for secondary machining. It allows for thinner walls, enabling complex shapes, and directly integrates inserts like threads or heating elements into the cast. With higher tensile strength than sand casting and rapid production rates, it’s ideal for longer production runs, especially in aluminum casting. 

Compliance for Gravity Die Casting Services

Frigate’s gravity die casting services strictly follow global certification standards to ensure precise, durable, and defect-free components. These standards govern every aspect of the casting process, from material selection to dimensional accuracy, ensuring components meet stringent industry-specific safety, strength, and reliability requirements. 

Key Compliance Standards and Certifications

ISO 9001:2015

Quality management system ensuring consistent production and defect prevention. 

IATF 16949:2016

Automotive-specific quality standards for process efficiency and traceability. 

AS9100 Rev D

Aerospace quality management system for high-reliability components. 

RoHS Directive 2011/65/EU

Compliance with hazardous substance restrictions in materials. 

NADCAP AC7118

Advanced certification for non-destructive testing (NDT) in aerospace and defense. 

EN 1708-2:2018

Standards for welding and casting strength in heavy-duty applications. 

ASTM B108/B108M-21

Compliance with aluminum alloy casting specifications. 

DIN EN 1706:2020

Adherence to aluminum alloys' mechanical properties and chemical compositions.

PPAP (Production Part Approval Process)

Ensuring batch consistency and process validation. 

ISO 14001:2015

Environmental management system for sustainable and eco-friendly production practices. 

Tolerance for Gravity Die Casting Services

Mold Shrinkage Allowance
0.6% to 1.5% of dimensions

Adjustments for material shrinkage during cooling to maintain dimensional accuracy. 

Concentricity
±0.05 mm to ±0.2 mm

Ensures the alignment of cylindrical features like holes or shafts with their central axis. 

Perpendicularity
±0.1 mm to ±0.3 mm

Controls deviation between intersecting features, such as a hole and a surface plane. 

Edge Radii
±0.1 mm to ±0.5 mm

Precise tolerances for fillets and radii to avoid stress concentrations and improve flow dynamics. 

True Position
±0.1 mm to ±0.3 mm

Defines the exact location of features relative to a datum within a specified tolerance zone. 

Parallelism
Up to 0.15 mm per 100 mm

Ensures surfaces or features are parallel within the specified range for proper assembly. 

Profile Tolerance
±0.1 mm

Controls complex curved surfaces to ensure they match design specifications. 

Section Thickness Taper
0.1% to 0.5% per mm

Controls thickness variations along the length of tapered sections. 

Casting Porosity
<1% by volume

Limits internal porosity to ensure structural integrity and pressure-tightness in critical applications. 

Heat Treatment Distortion
±0.2 mm to ±1.0 mm

Accounts for dimensional changes after processes like T6 or T7 heat treatment cycles. 

Surface Flatness Deviation
±0.1 mm per 100 mm

Specifies flatness control for large, planar areas under strict mechanical requirements. 

Draft Angle Uniformity
±0.1°

Tolerances for maintaining consistent draft angles across all mold cavities. 

Thermal Expansion Control
±0.1 mm per °C

Ensures dimensional stability under varying operational temperatures. 

Quality Testing Standards for Gravity Die Casting Services

Residual Stress Measurement
X-Ray Diffraction (XRD)

Identifies internal stresses in the casting to prevent warping or failure during operation. 

Heat Treatment Validation
Differential Scanning Calorimetry (DSC)

Confirms the heat treatment cycle effectiveness for achieving desired material properties. 

Wear Resistance
Pin-on-Disk or Abrasion Testing

Evaluates the surface's durability under friction and abrasive conditions. 

Thermal Expansion Coefficient
Dilatometry

Measures material expansion due to temperature variations, critical for thermal stability. 

Gas Content Analysis
Hydrogen Analyzer

Detects dissolved gases like hydrogen to avoid porosity and improve casting quality. 

Density Testing
Archimedes Method

Verifies the density to detect porosity and ensure material homogeneity. 

Magnetic Particle Inspection
Magnetic Field and Particle Analysis

Detects surface or near-surface cracks in ferrous materials. 

Electrochemical Corrosion Testing
Potentiodynamic Polarization

Measures the corrosion rate and identifies susceptibility in various environments. 

Fatigue Crack Growth Rate
Fracture Mechanics Testing

Determines the propagation rate of cracks under cyclic loading conditions. 

Impact Fracture Toughness
Instrumented Impact Testing

Measures energy absorption during fracture to evaluate toughness. 

Casting Shrinkage Test
Dimensional Comparison Pre/Post Solidification

Assesses mold design efficiency and predicts shrinkage effects. 

Non-Destructive Ultrasonic Testing
Ultrasonic Pulse-Echo

Detects internal defects such as voids or inclusions with high precision. 

High-Temperature Performance
Creep and Stress Rupture Testing

Evaluates long-term performance under high temperatures and sustained loads. 

Electrical Conductivity
Eddy Current Testing

Determines conductivity, vital for electrical applications. 

Bending Resistance
Three-Point Bending Test

Tests the part’s resistance to bending forces, ensuring compliance with mechanical load requirements. 

Gravity Die Casting in the Automotive Industry

At Frigate, we utilize gravity die casting services to produce high-strength and precisely engineered automotive components, such as engine blocks and transmission housings. Our process ensures exceptional dimensional accuracy and a smooth surface finish using gravity to fill preheated dies with molten metal. The controlled solidification of the metal enhances mechanical properties like tensile strength. Additionally, our capability to integrate inserts directly into the casting reduces the need for further machining. This approach ensures that our parts are reliable, durable, and meet the rigorous standards of the automotive industry. 

Industries We Serve

What You Get

↓ 7-8%

OPS COST

↓ 2-3%

COGM

3X

Aggregation

↑ 25%

Machinery Utilisation

↓ 50%

Expedition

↑ 30%

Frigater Revenue

Custom Gravity Die Casting Services

Our custom gravity die-casting services offer precise and reliable manufacturing for complex components. We use high-quality dies, preheated to prevent thermal stress, and control molten metal pouring to ensure accurate fills. This process allows for intricate shapes and detailed features with high dimensional accuracy and smooth surfaces, reducing the need for secondary machining. Each casting meets strict standards for strength and durability, making it ideal for diverse applications. 

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What Our Customers Say about Frigate

21%

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Having Doubts? Our FAQ

Check all our Frequently Asked Question

What types of metals are best for gravity die casting, and why?

Gravity die casting works well with metals like aluminum, zinc, and magnesium. These metals are light and have good fluidity. They fill the mold easily, making it easier to create detailed shapes. Their low melting points also save energy during production. 

How does the temperature of the metal affect the quality of gravity die casting?

The temperature of the molten metal is crucial. If it's too low, the metal may not fill the mold, leading to weak spots. If it's too high, it can cause defects like gas bubbles. Keeping the right temperature ensures strong, high-quality parts. 

What role does the mold design play in gravity die casting?

Mold design is vital for gravity die casting. A well-designed mold allows the metal to flow smoothly and cool evenly. Features like vents and risers help release trapped air and ensure the metal fills all areas, reducing defects and improving part strength. 

Why is cooling time important in gravity die casting?

Cooling time affects how well the metal solidifies and how strong the final part will be. If the cooling is too fast, the metal may crack. If it's too slow, it can warp. Finding the right cooling time helps achieve the best dimensions and mechanical properties. 

How can surface finish be controlled in gravity die casting?

Surface finish in gravity die casting can be controlled through mold treatment and design. Using coatings or polishing the mold can improve surface quality. Adjusting the pouring speed can minimize turbulence, resulting in smoother surfaces. This enhances the aesthetic and functional properties of the final product. 

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LOCATIONS

Global Sales Office

818, Preakness lane, Coppell, Texas, USA – 75019

Registered Office

23, 6th West Street, Balaji Nagar, Kattur,  Pappakuruchi, Tiruchirappalli-620019, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ã…¤

GENERAL ENQUIRIES

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