For small outdoor work machinery! Examples of various processes applied after rough material shaping through cold forging.
We would like to introduce a case of machining crankshafts for agricultural machinery at our company. This product is a mechanism that converts the up-and-down motion of the piston inside the engine into rotational motion. The power is transmitted to the transmission through the connecting rod and flywheel, causing the wheels to rotate. Our company is capable of building dedicated lines using gantry loaders, allowing us to excel in mass production of tens of thousands of shafts per month tailored to our customers' needs. [Case Overview] ■ Product Classification: Crankshaft ■ Delivery Industry: Outdoor Machinery Manufacturers ■ Application: Small Outdoor Machinery ■ Material: S43C ■ Size: L47mm (Flange: φ45mm) × φ10 *For more details, please refer to the PDF document or feel free to contact us.
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【Processing Details】 ■ After rough material shaping by cold forging - Heat treatment (quenching and tempering) - Center hole machining - Outer diameter and threading - Seat surface and hole machining - Keyway machining - Inspection - Shipping and packaging *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
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.)