袴田精機 Company Overview

Shave. Polish. Think. A factory where craftsmen and AI work together.

Hakumata Seiki is a manufacturer of precision metal parts based in Kōsei City, Shizuoka Prefecture, specializing in cutting, grinding, and cleaning processes. Since its establishment, the company has actively promoted its processing technology, which was developed through high-precision mass production of automotive parts, to now include semiconductor manufacturing equipment parts, FA components, and industrial equipment parts. With over 100 processing machines, including 45 NC automatic lathes, 45 NC lathes, and 18 centerless grinders, along with a fully in-house production line from cutting to ultrasonic cleaning, we flexibly accommodate everything from prototypes to mass production. We respond to requests in the precision machining range with tolerances of ±0.005mm and diameters from φ2.0mm to φ32mm, ensuring short delivery times and stable quality. **Strengths of Hakumata Seiki:** - Optimization of processing conditions and quality data analysis using AI - Reduction of defect rates through the fusion of artisan technical knowledge and AI analysis - A next-generation workshop where digital technology and craftsmanship coexist - Complete in-house production for cutting, grinding, and ultrasonic cleaning (zero process movement, no quality loss) - Capable of handling small lots from a few prototypes; welcome drawings and support for DXF data - Actively seeking new business with aerospace, defense, semiconductor equipment, and FA equipment manufacturers - Numerous achievements in prototype support, with initial product delivery in as little as three weeks from drawing provision.