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Latest update: 26/02/2020 10:25:09

Yamauchi Engineering Co., Ltd.

We are a group of professionals extending our mold creation business in Japan and abroad.

We are a mold manufacturer extending our business in Japan and abroad. We mainly design and manufacture press working molds for trial manufacturing and mass production. Our products are used by Canon, JATCO, IHI, JTEKT, and Takata. Our products have been adopted by Huang-Yu Precision Press Components of China and Shieh Yih Machinery Industry of Taiwan. We have confidence as a group of professionals in mold creation. Every worker can cope with a series of processes from mold design to material processing, assembly, trials, adjustment, and dimension measurement. We have confidence in mold creation that requires many processes. We have created precision parts with very strict shape and dimensional requirements that even major press manufacturers in Japan and abroad hesitate to handle.

Inquiry
Main image

Sales Pitch

Ultra-high-precision press molds
Consult us if you have any precision issues.
Our company receives consultations from customers in Japan and abroad on metal press molds, and particularly articles for high-precision drawing. Our VE and VA proposals that preserve accuracy from other processes are pleasing customers. Please be sure to consult us.

Other presentation

[Company strength]
Our company has a labor force of only six people, but every worker has high technical skill. They can all cope with a series of processes from mold design to material processing, assembly, trials, adjustment, and dimension measurement. We are highly appreciated by our customers as a professional group capable of establishing a route with the shortest distance to the goal of product development. Our company possesses the same cutting-edge precision measuring machines that are owned by mass-production manufacturers, including a coordinate measuring machine and contour shape measuring machine. We have established a system capable of feeding back customer-interlinked measurement and verification data for trial products and first products of mass production at any time.

[Business description]
Our mainline business is development and trial manufacturing related to metal press working. We design and manufacture molds for trial manufacturing as well as molds for mass production. We particularly excel at designing and manufacturing multi-process molds. Transfer molds and progressive molds that are used to draw automotive motor cases are representative products. We accept orders for precision parts with very strict shape and dimensional requirements that even major press manufacturers in Japan and abroad hesitate to handle. We thoroughly cover processing from development and trial manufacturing to mold creation for mass production. We are a proposal-type company. We can propose our unique machining-free pressing technology with great cost reduction effects and make various process reduction proposals.

[Industry]
Metal press working mold manufacturing

[Strength of products/technologies]
High-precision automotive motor cases require a mold capacity with a process capacity of Cpk 1.33 or more. This capacity needs to be large enough to stably mass-produce precision as high as 0.01 in circularity for bearing press-fit parts and diameter 0.03 in coaxiality for external parts. We possess a method and technology for achieving the intended precision and shape by press working. This can be done without cutting or any other kind of machining that used to be necessary as secondary processing to complete the products. Customers can enjoy a great cost reduction effect (even a 68% reduction) by adopting our molds. We believe that this is our greatest technical contribution.

[Representative's message]
We have recently been extending our sales channels in the ASEAN region by visiting manufacturers there for sales talks and technical consulting about five or six times a year. We will remain settled with our mold design and creation division in Japan. We will continue to strive to mature all processes from trial manufacturing and development to mold creation for mass production. We will further promote the development of our own machining-free pressing methods and new technologies. We will make every possible contribution to Monozukuri craftsmanship in Japan without departing from the origin of the manufacturing industry: "Better products in shorter lead times and with lower costs."

[Company structure for market development/overseas expansion]
We have prepared a technical interpreter for development outside Japan and established a system for new transactions particularly with Chinese and Taiwanese manufacturers. Our company has a small labor force of only six people, but for sales in Japan every worker has sufficiently high skills to independently answer sales and technical inquiries. Our system is ready to quickly respond to customer inquiries.

[Market share/Ranking]
We have confidence in our globally top-level technical and proposal power in the precision drawing mold industry.

[Awards and media coverage]
[Awards]

[Media] 
Die and Mould Technology by Nikkan Kogyo Shimbun, "Engineers opening the future of molds: Yamauchi Engineering" (August 2015).


[Authorization/Certification]
Monozukuri Subsidy 2013: Machining-free press drawing technology for bore processing. Monozukuri 2014: Development of a lithium-ion battery terminal for cost reduction.

[Joint research and development]
The University of Electro-Communications: Joint development of a lateral groove forming method for O-rings by press working (since 2015).

[Main Clients / Business History (domestic)]
Canon Inc. (mass-production molds for motor cases of multifunctional printers), JATCO Ltd. (trial manufacturing and mass production molds for CVT pistons), IHI Corporation (trial manufacturing and mass production molds for SUS cases and fins for VGT turbochargers), JTEKT Corporation (trial manufacturing and mass production mold for Corolla electric power steering motor cases), Takata Corporation (mass production molds for seatbelt retractors), Aisin AW Co., Ltd. (trial manufacturing and mass production molds for transmission gear plates), and many major automotive part manufacturers. *All the companies above are named as end users.

[Main Clients / Business History (overseas)]
Shieh Yih Machinery Industry Co., Ltd. of Taiwan (mass production molds, since 2010) and Huang-Yu Precision Press Components of China (mass production molds, since 2012).

This company is recommended by the following support organizations.

公益財団法人相模原市産業振興財団
Kanto Head Office, SMRJ
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