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  • Ribda gondal highway
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Our Expertise

At Karan Engineers, we provide high-precision machining solutions for various manufacturing processes, including investment casting, shell mould casting, sand casting, and precision forging. Our advanced machining capabilities ensure superior quality, accuracy, and reliability, making us a trusted partner for industries requiring durable and high-performance components.

Investment casting

Investment casting, also known as precision or lost-wax casting, is a manufacturing process that creates detailed metal parts using a wax pattern and a disposable ceramic mold. The wax pattern is coated with a refractory material, which hardens and is then heated to remove the wax, leaving a hollow mold. Molten metal is poured into the mold, cooled, and then removed. This method allows for complex shapes, fine details, and smooth finishes, making it ideal for aerospace, medical, automotive, and jewelry applications. It works with various metals like aluminum, bronze, steel, and magnesium, reducing material waste and machining costs.

Shell Mould Casting

Shell mould casting is a metal casting process similar to sand casting but uses a thin-walled shell mold made from a sand-resin mixture around a reusable metal pattern. This method offers better dimensional accuracy, higher productivity, and lower labor costs compared to sand casting. It is ideal for producing small to medium-sized precision parts in ferrous and non-ferrous metals, including cast iron, steel, aluminum, and copper alloys. Common applications include gear housings, cylinder heads, and connecting rods.

Sand Casting

Sand casting is a metal casting process that uses sand as the mold material, making it a cost-effective and widely used method, especially in foundries. The mold is created by compacting sand mixed with a bonding agent, such as clay, around a pattern or carving directly into the sand. The mold cavities and gating system shape the final metal casting. Sand casting is suitable for various metals, including steel, and allows for complex shapes. It remains one of the most common casting methods due to its affordability and adaptability.

Precision Forging

Precision forging is a high-efficiency manufacturing process that produces flashless, near-net shape components with minimal material waste. It enhances material properties while reducing processing steps. Only specific functional surfaces require finishing after forging and annealing. The process benefits from finite element method (FEM) simulations, which optimize material flow and tool design, ensuring cost savings and shorter development times. Precision forging withstands high thermal and mechanical loads, making it ideal for producing high-performance parts with superior strength and accuracy.