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Latest update: 04/02/2020 11:27:42

Sumiyoshi Molds Kogyosyo Co., Ltd.

Our small plant has developed advanced technologies such as our screw rotation slide tuning system

We enhance the value of customer products based on the three technologies we have honed: mold manufacturing technology, plastic injection molding technology, and our screw rotation slide tuning system.

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Business description and overview of products and technology
Description and features of business
We mainly design and manufacture plastic molds by making use of our mold manufacturing technology, plastic injection molding technology, and our unique screw rotation slide tuning system technology. We give shape to product images with CAD to immediately check easy-to-understand three-dimensional images. Customers can check the images of molds on a computer using 3D PDF Animate (TM). We possess machining centers, NC powder EDM equipment, wire cut EDM equipment, and NC milling machines. We can manufacture products with precision of a ten-thousandth of a millimeter. We use various types of equipment to manufacture molds, but our technicians perform adjustment work in a final process.
Overview of products and technologies
We mainly manufacture plastic caps, shower heads, walking aid handrails, and other articles. We manufacture plastic caps for various containers to satisfy customer requirements. We can further reduce processes for shower head production by making use of our unique screw rotation slide tuning system technology. We use highly durable fiber-reinforced resin for walking aid handrails, because they need to be durable enough to be used for a long time. Fiber-reinforced resin needs special attention in terms of mold manufacturing and machining, and we process these products by applying our unique knowhow.
For matching
We started to manufacture plastic molds in 1959. Our screw rotation slide tuning system technology has a good reputation for its high quality and short turnaround time. We make use of 2D and 3D CAD for design. We share modeling data with customers to understand what should be improved in advance, which leads to improved quality and shorter turnaround times. We believe that molds are a critical factor in the quality of industrial products. We are a small business, but we believe that it is our mission to manufacture products that live up to the image of Japan as a technology nation, so that our customers’ products will contribute to society.

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ
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