Custom processing of large castings and brass. In-house integrated process from φ1,600 lathe to grinding.

In addition to iron, aluminum, and stainless steel, we also handle large parts processing of castings and brass. Utilizing large turning, 5-axis machining, and surface grinding, we complete complex shapes.

"I want to perform additional processing on large cast parts, but I'm worried about voids and distortions during processing, and I can't find a subcontractor." "I would like to have custom sizes exceeding φ1,000 in non-ferrous metals like brass finished in a short delivery time." Are there any parts that are difficult to procure due to the barriers of material properties and size? Iwai Koki has extensive processing experience not only with iron, aluminum, and stainless steel but also with special materials like castings and brass. We own large turning centers with a maximum diameter of φ1,600, 5-axis machining centers, and even vertical spindle rotary surface grinders. We have established a system that can handle complex shapes unique to castings and high-precision finishing of brass parts all in one company. In particular, our "drawing-less manufacturing," where we take in worn-out old parts and create new ones from there, is highly valued by sites struggling with updates for discontinued pump and valve parts. We can provide rapid delivery via our own transport in the Chiba, Ibaraki, Kanagawa, and Tokyo areas. By consolidating the points of contact from material procurement to turning, milling, and grinding, we dramatically reduce your procurement lead time and management workload. For challenging cases of "material × size" that other companies have turned down, please consult with us, a company with 50 years of experience.

Processing Contract