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Latest update: 10/03/2020 13:40:21


Our company specializes in processing heat-treated parts, such as bushings.

Our company manufactures bushings, collars, and spacers for construction and industrial machinery. We have an integrated system from material arrangement to processing, heat treatment, and surface treatment. The system meets customer needs for small lots, short delivery times, and fluctuations in the number of orders.	

Main image

Sales Pitch

Production system
Blank cutting lines
Our company has a large amount of equipment, including the latest NC lathes and machining centers. We can handle multi-product variable-volume production.
Our special spiral groove processing machine supports oil groove processing for bushings of various shapes.

・ NC machining center
・ Two-axis simultaneous machining lathe (with loader)
・ NC combined lathe (high-mix low-volume production line)
・ Automatic robot NC lathe (multiple-cavity line)
Machine for spiral groove processing

■ Grinding lines
Our company has centerless grinding, cylindrical grinding, surface grinding, and internal grinding lines for various grinding processes, such as precision grinding after heat treatment.
For outer diameter grinding and inner diameter grinding, we use a one-shot production system to reduce lead times and respond to short-term delivery orders.
In particular, we have a large number of internal grinding machines that can process parts of various sizes, such as bushings and collars.

・ Surface grinder made by Ichikawa Seisakusho (photo) and 5 other units
・ Centerless grinder made by Micron Precision (photo) and 8 other units
・ Cylindrical grinder made by Toyoda Machine Works (photo) and 3 other units
・ Inner diameter grinding machine made by Toyo Kogyo (photo) and 8 other units
・ Centerless grinding machine (with conveyor, long length is also possible)
・ Cylindrical grinding inside diameter grinding line
・ Centerless grinding inside diameter grinding line
Quality assurance system
In order to guarantee the quality of products that require micron-level accuracy, we use the latest precision inspection equipment and
We operate a quality management system.

Based on the Fuji Seiki Quality Manual, we continuously improve the effectiveness of the quality management system,
We are working to improve customer satisfaction and respond to various customer needs.

■ Inspection machine (parts inspection)
Actively use 3D coordinate measuring machines and precision inspection machines that boast micron-level accuracy to measure products,
We analyze data and feed back information to the source in a timely manner to assure the quality of Fuji Seiki.

Our inspection is performed for the purpose of (1) assurance function, (2) preventive function, (3) compliance with reporting function, and (2).

・ Magnetic particle flaw detector (fluorescent magnetic particle flaw detection is possible)
・ Contour shape ・ Roughness tester
・ Roundness measuring machine
・ 3D coordinate measuring machine

This company is recommended by the following support organizations.