Aisin has patented a method for manufacturing gears involving synchronized rotation of a workpiece and cutting tool to create helical tooth grooves. The process ensures precise contact between the tool and workpiece, resulting in high-quality gear production. GlobalData’s report on Aisin gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Aisin, Hybrid powertrains was a key innovation area identified from patents. Aisin's grant share as of May 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Method for manufacturing gears with helical tooth grooves
A recently granted patent (Publication Number: US11998973B2) discloses a method for manufacturing gears using a unique process involving the rotation of a workpiece and a tool around different axes while ensuring synchronized movement to create helical teeth on the workpiece's outer surface. The method involves precise relative movement between the tool and the workpiece, ensuring the formation of the desired helical tooth profile. The patent further details the specific angles and dimensions required based on the number of teeth, tooth intervals, and circumferential lengths, providing a comprehensive guide for gear manufacturing.
Additionally, the patent outlines variations in tool design, including tapered shapes and varying pressure angles, to optimize the manufacturing process for different gear specifications. The method also allows for adjustments in tool rotation speed and relative movement to accommodate various gear types, such as helical gears with different numbers of teeth and helix angles. By providing detailed instructions and parameters, the patent offers a systematic approach to gear manufacturing, ensuring precision and efficiency in producing high-quality gears for a range of applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
