Precision Investment Casting

High-Precision Investment Casting Solutions

Advanced investment casting (lost-wax casting) solutions engineered for producing intricate metal components with exceptional surface finish, tight tolerances, and superior dimensional accuracy.

Our investment casting capabilities support prototype development, batch production, and precision manufacturing of complex parts with thin wall sections and fine details, ensuring minimal machining requirements and consistent quality.

Key Advantages

🔷 Excellent Surface Finish & Near-Net Shape Components
⚙️ Capability for Intricate Geometries & Thin Walls
📏 Tight Tolerance & High Dimensional Accuracy
🔥 Wide Material Compatibility (Steel, Stainless Steel, Alloys)
⚡ Reduced Secondary Machining Requirements
✅ Scalable for Low to Medium Production Volumes

Precision Investment Castings have to replace instead of sheet Metal

Investment Casting for Demanding Applications

Investment casting is widely used in industries such as aerospace, automotive, industrial machinery, energy, and medical equipment, where high precision and superior material performance are critical

⚙ High precision near-net-shape metal components

⚙ Suitable for complex geometries and thin wall sections

⚙ Supports stainless steel, carbon steel, aluminum, and specialty alloys

⚙ Excellent surface finish with minimal machining

Prototype to medium-volume production

Materials we Cast

Material Typical Applications
Stainless Steel Valves, pumps, medical devices
Carbon Steel Automotive parts, industrial machinery
Nickel Alloys Turbine components, aerospace parts
Titanium Alloys Aerospace structures, medical implants
Aluminum Alloys Automotive housings, lightweight components

Dimensional Capability

Our Investment 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.

009 - Molten Metal MouldCreated with Sketch.
Parameter Parameter
Minimum Casting Weight 0.01 kg
Maximum Casting Weight 50 kg
Dimensional Accuracy 0.1 mm – 0.5 mm
Surface Finish Ra 0.8 – 6.3
Minimum Wall Thickness ~1.5 mm

Machine Specifications

Casting services ensure consistent quality and flexibility for diverse manufacturing requirements.

Feature Specification
Casting Process Investment Casting (Lost Wax Process)
Pattern Production Wax Injection Patterns
Mold Type Ceramic Shell Mold
Casting Method Gravity Pouring
Core Production Ceramic Core
Heat Treatment Annealing, Normalizing, Hardening
Surface Cleaning Shot Blasting / Pickling
Inspection Dimensional and Visual Inspection

Investment Casting Tool Development Process

Tool Life

Pattern Type Typical Life
Prototype Tool 5,000 – 10,000 wax injections
Aluminium Tool 20,000 – 50,000 cycles
Steel Production Tool 10,000 – 50,000 Molds

Integrated Quality Control

Quality control is integral to our investment casting process, ensuring high precision, superior surface finish, and structural integrity of components. From raw material verification and wax pattern inspection to shell building and metal pouring, each stage is closely monitored to maintain process consistency.

In-process controls include dimensional checks of wax patterns, shell integrity validation, and control of critical parameters such as temperature and pouring conditions. Post-casting inspections involve dimensional verification, surface quality checks, and defect identification. Advanced inspection techniques, including non-destructive testing (NDT), are employed where required to ensure internal soundness.

By integrating quality control across the entire casting process, we deliver complex, high-accuracy components that meet stringent industrial and customer-specific
requirements.

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.

Forging the sustainable future of steel