Introducing the process of opening diameter narrowing for forming shapes where the diameter of the opening is narrower than that of the body in cylindrical deep-drawing products.
As a weakness of our press processing, due to the nature of processing by clamping with upper and lower molds, we were not good at processing that narrows the opening. In this trial, we overcame that and succeeded in processing the narrowing of the opening. Using a simple prototype for testing, we formed a cylindrical shape in one step. The key point is to control the shape and dimensions after narrowing the opening to the target values. 【Overview】 ■ Issues - As a weakness of press processing, due to the nature of processing by clamping with upper and lower molds, we are not good at processing that narrows the opening. ■ Solution - Control the shape and dimensions after narrowing the opening to the target values. - Formed a cylindrical shape in one step using a simple prototype for testing. *For more details, please refer to the PDF document or feel free to contact us.
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Today, people's lives are supported by the use of various machines and equipment. In the automobiles and various industrial machinery that are essential on a daily basis, bearings, which are internal components, are indispensable. Shimizu Seiko develops and manufactures bearing retainers and other peripheral components that are essential for such various machines. The most important aspects in manufacturing are quality and reliability. We have established a consistent production system that starts from the design and production of molds, through to manufacturing and processing. Utilizing the pressing technology we have cultivated over many years, Shimizu Seiko has contributed to the development of various technologies. We are continuously striving to ensure that our pressing technology will be beneficial for the future technologies that lie ahead.