[Processing Example] Balance Shaft Made of S40C

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last updated：Jul 31, 2023

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Extension of tool blade holding and ensuring dimensional accuracy! A case of intermittent cutting processing on the outer diameter using a lathe.

We would like to introduce a case study of the processing of balance shafts for automotive engines that we conducted. The product underwent intermittent cutting processing on the outer diameter using a lathe. Generally, lathe processing is performed with continuous cutting, but in the case of intermittent cutting, the tool is pressed against the material intermittently, making it prone to chipping and vibration, which increases the difficulty of maintaining stable processing accuracy. Our company has the know-how to achieve both extended tool life and dimensional accuracy. We can consistently perform high-precision, high-quality mass production processing of several thousand to tens of thousands of units per month while maintaining tool life. 【Case Overview】 ■ Product Classification: Balance Shaft ■ Delivery Industry: Automotive Industry ■ Application: Engine Parts ■ Material: S40C ■ Size: L244mm, Balance Section: R28.5, Shaft Diameter: Maximum φ35, Minimum φ12.5 *For more details, please refer to the PDF document or feel free to contact us.

Related Link - https://shaft-manufacturing.com/processing/s40c%e8…

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【Processing Details】 ■ After rough material shaping by hot forging - Center hole machining - Outer diameter turning - Two-sided width and notch machining (machining) - Shaft finishing (grinding) - Deburring * For more details, please refer to the PDF document or feel free to contact us.

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東陽製作所本社・府中工場

Machine elements and parts

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Toyo Manufacturing Co., Ltd. is a metal processing company headquartered in Fuchu City, Tokyo, with a group company, Toyo Kyushu Co., Ltd., located in Bungo-Takada City, Oita Prefecture. Currently, we mainly engage in the manufacturing and sales of automotive parts (including critical safety components) and agricultural machinery parts. We excel in mass production but also accommodate prototypes, especially in pre-mass production prototypes, where we propose value engineering (VE) with an eye toward mass production. 【Main Products】 Stub shafts (automotive parts), drive shafts (automotive parts), balance shafts (automotive parts), crankshafts (outdoor machinery parts), drive pinions (automotive parts), motor shafts (automotive parts), etc. 【Certifications Obtained】 Quality Management System: ISO 9001:2015 Environmental Management System: KES Step 2 【Awards and Achievements】 2005 Tokyo Small and Medium Enterprises Manufacturing Human Resource Development Award (A recognition system for small and medium enterprises that have achieved results in the development of excellent skilled workers and the inheritance of skills, as recognized by Tokyo Metropolitan Government) 2022 Minister of Health, Labour and Welfare Award for Excellent Business in Skill Promotion (A recognition for establishments and organizations that have made significant contributions to skill promotion over many years and serve as models for others.)

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