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Kuramoto Manufacturing Co., Ltd.


Tsuneshi KURAMOTO (Mr.)
Year established
23,000,000 yen
150,000,000 yen
Postal (zip) code
Company address
8-8-53 Shoko Center, Nishi-ku, Hiroshima-shi
Company PR
Since our company’s foundation, main operations have included manufacturing machines, exclusively machine tools, and processing of parts. Our corporate missions are based upon trust and technology. With optimized quality, cost, and delivery time as our primary aims, Kuramoto continuously responds to diversified customer needs and carries out research in new fields.



Major Products
Manufacturing fixtures for processing of air craft parts
Processing of machine tool parts
Major Customers
Mitsubishi Heavy Industries, Ltd., Hiroshima Machinery Works
The Japan Steel Works, Ltd.
Satake Corporation
Teijin Seiki Co., Ltd.
Major Facilities/Equipment
Horizontal MC 4
 X1000 × Y1000 × Z800, X1200 × Y950 × Z900
Vertical MC 3
 X1600 × Y850 × Z700, X1050 × Y510 × Z500, X1500 × Y660 × Z660
NC horizontal boring machine 2
 X2000 × Y1500 × Z1450, X1800 × Y1450 × Z710
Surface grinder 1
 X1500 × Y700 × Z500
Wire electric discharge machining 1
 X500 × Y350 × Z270
Technology Employed
Production machinery/equipment manufacturing industry
Utilizing production engineering system directly connected to preparation of NC information and NC machine, can offer custom manufacturing via accurate mechanical processing.
Production machinery/equipment manufacturing industry
Offers processing of defense industry-related parts, aircraft-related parts for processing, fixtures, etc.
Production machinery/equipment manufacturing industry
Utilizing immersion-type wire-EDM, can process precision parts.
Production machinery/equipment manufacturing industry
Utilizing surface grinder, can process to a length of 1500.
Production machinery/equipment manufacturing industry
Has plenty of experience in processing, assembly, operation, and delivery of all kinds of parts for machine tools.
Production machinery/equipment manufacturing industry
Checking through manufacturing process and inspecting before shipment, ensures optimum quality.
Primary Area of Technical Expertise

Introducing centralized management via computer of large amounts of NC data for every NC machine, Kuramoto can easily store and retrieve NC data and can manage it with high reliability. Extensive know-how and experience allows the company to offer custom manufacturing for boring and assembly operation.

Future Business Challenges
Introduce machining technology and welding technology for new materials such as titanium.
Establish labor-saving operation of all kinds of machine tools.
Development of new products and establishment of a sales route for the stairway baggage cart.
Future Technical Challenges
Production machinery/equipment manufacturing industry
Introduce designing technology utilizing CAD/CAM and simulation technology.
Production machinery/equipment manufacturing industry
Introduce processing technology and welding of titanium.
Production machinery/equipment manufacturing industry
Utilizing arm-rotation method, introduce control method of handle load fluctuated by barycentric movement when hoisting and lowering pushcart at different levels (stairs).

Applied patent for hoisting and lowering machine at different levels (staircase baggage handling). Now, on the open patent gazette (Tokukaihei 7-137638).

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