We meet our customers' needs with advanced precision machining technology and a consistent production system.
The rotary hook and bobbin case "Koban," which is a core component of industrial sewing machines. The consistent processes of cutting, heat treatment, polishing, assembly, and quality inspection are packed with the high-precision machining technology that Sabun Kogyo has cultivated over decades. These components, which operate at 12,000 revolutions per minute, require not only the strength to withstand high-speed rotation but also complex and precise shapes to ensure reliable sewing. Sabun Kogyo Co., Ltd. has been proactive in automating its equipment from an early stage, achieving a production system that can accommodate thousands of different specifications tailored to customer needs in small lots. 【Features】 [Development Department] - Development of products that meet customer demands - Cost reduction through VA/VE proposals - Use of 3D CAD CAM to handle complex three-dimensional shapes through cutting processes [Production Technology Department] - Design and manufacture of jigs necessary for processing complex shapes - Proposals for automation lines for mass-produced items For more details, please contact us or download the catalog.
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【Features】 [Manufacturing Department] ○ Machining Division → A wide range of equipment from general-purpose milling machines and lathes to NC multi-tasking lathes and 5-axis machining centers → Automation equipment has also been added to meet all kinds of demands ○ Heat Treatment Division → Equipped with carburizing quenching furnaces and brazing furnaces → Various barrel equipment is also well-equipped → Capable of meeting requests for heat treatment as well as surface treatment ○ Grinding Division → Numerous CNC cylindrical grinding machines and vertical grinders → Enables unmanned operation through robot supply, accommodating products that require high precision and quality ○ Finishing Division (Polishing, Assembly) → Equipped with various facilities such as buffing, paper grinding, and blasting, achieving the best finish by skilled artisans ○ Inspection Division (Quality Assurance Department) → Delivers products that meet customer requirements through a thorough quality control system → Specialized staff also handle the strict appearance finishing required for medical devices ● For more details, please contact us or download the catalog.
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The sewing machine parts of Sabu Manufacturing Co., Ltd. are highly regarded around the world under the "Koban" brand. Approximately 70% of our products are exported overseas, reaching over 60 countries. From European artisan workshops to large-scale sewing factories in Asia, "Koban" products are used by customers worldwide who demand high quality. As market needs continue to diversify, our company will actively pursue further product development and contribute to the global sewing industry.