Robust Sand Casting Solutions
Versatile sand casting solutions engineered for manufacturing complex metal components across a wide range of sizes, geometries, and material grades.
Our sand casting capabilities support prototype development, batch production, and heavy-duty industrial manufacturing with reliable dimensional control, structural
integrity, and material consistency for demanding
applications.
Key Advantages
🔷 Suitable for Complex & Large-Scale Components
💬 Wide Material Compatibility (Ferrous & Non-Ferrous)
🏗️ Ideal for Heavy Industrial & Structural Applications
📏 Good Dimensional Control with Post-Machining Flexibility
🔥 Cost-Effective for Low to Medium Production Volumes
✅ Scalable for Prototype to Bulk Production
Process Technology Center Services
Sand Casting for Demanding Applications
Our castings for both prototype development and batch production, ensuring strong mechanical properties, reliable dimensional accuracy, and cost-effective manufacturing for large components..
⚙ Suitable for large and heavy metal components
⚙ Supports cast iron, steel, stainless steel, and aluminum alloys
⚙ Ideal for complex geometries and thick wall sections
⚙ Prototype to medium batch production
⚙ Compatible with secondary machining and finishing operation
Materials we Cast
| Material | Typical Applications |
|---|---|
| Gray Iron | Engine blocks, pumps, valves |
| Ductile Iron | Automotive suspension parts, pipes |
| Gray Cast Iron | Machine parts, motor housings |
| Carbon Steel | Structural components, heavy machinery |
| Stainless Steel | Chemical equipment, marine components |
| Aluminum Alloys | Automotive components, housings |
Dimensional Capability
Our sand casting capabilities support the production of both prototype and production components, offering flexibility in design, material selection, and part size while maintaining reliable dimensional accuracy and consistent mechanical properties.
| Parameter | Parameter |
|---|---|
| Mild Steel (Carbon Steel) | Minimum Casting Weight |
| Stainless Steel | 0.1 kg |
| Maximum Casting Weight | 800 kg – 1000 kg |
| Typical Accuracy | 0.3 mm – 2 mm |
| Surface Finish | Ra 1.6 – 6.3 |
| Minimum Wall Thickness | ~5 mm |
Machine Specifications
Casting services ensure consistent quality, cost efficiency, and flexibility for diverse manufacturing requirements.
| Feature | Specification |
|---|---|
| Casting Process | Green Sand Casting / Resin Sand Casting |
| Pattern Type | Wooden Pattern / Metal Pattern |
| Mold Preparation | Manual & Semi-Automatic Molding |
| Core Making | Shell Core / Cold Box Core |
| Pouring Method | Gravity Pouring |
| Heat Treatment | Annealing / Normalizing / Stress Relieving |
| Surface Cleaning | Shot Blasting / Fettling |
| Inspection | Visual & Dimensional Inspection |
Sand Casting Tool (Pattern) Development Process
Tool Life
| Pattern Type | Typical Life |
|---|---|
| Wood Pattern | 500 – 2,000 Molds |
| Resin Pattern | 2,000 – 5,000 Molds |
| Aluminium Pattern | 10,000 – 50,000 Molds |
| Cast Iron Pattern | 100,000+ Molds |
Integrated Quality Control
Quality is rigorously maintained across every stage of our sand casting process to ensure structural integrity and dimensional accuracy. From raw material inspection and pattern validation to mould preparation and pouring, each step is closely monitored to minimize defects and ensure consistency.
In-process quality checks include control of mould properties, pouring temperature, and solidification parameters. Post-casting inspections involve visual checks, dimensional verification, and defect identification using standard inspection techniques. Where required, non- destructive testing (NDT) methods are employed to ensure internal soundness.
By integrating quality control throughout the casting lifecycle, we deliver reliable, defect-free components that meet stringent industrial and customer-specific requirements.
- Engineering & Validation Infrastructure
At Graphler Precision Manufacturing, our production capabilities are supported by structured engineering processes, inspection systems, and technical validation practices that ensure precision, reliability, and repeatability at every stage.
Process Engineering Support
We conduct feasibility reviews, DFM analysis, and machining strategy planning to optimize, manufacturability, reduce risk, and improve production efficiency before execution begins.
Dimensional Inspection & Verification
Our quality systems incorporate calibrated measurement tools, in-process inspection, and final validation to ensure components meet specified tolerances and functional requirements.
Continuous Process Optimization
Through structured feedback loops and performance monitoring, we refine cycle times, tool strategies, and machining parameters to deliver consistent quality and scalable production outcomes.