Nidec's Newest Machines Produce Gears for Electric and Hybrid Cars; Robot Applications
Supply chain issues are driving more companies to bring manufacturing back in-house. Parallel to this trend in automotive manufacturing is the rise of electric vehicles and increasing automation.
Nidec Machine Tool (Wixom, Michigan), responding to the needs of the industry, is debuting the new GE15HS gear hobbing machine at IMTS 2022. Emphasizing high speed, precision and efficiency, the new machine produces gears for electric and hybrid cars, as well as for robotic and automation applications.
The GE15HS model is designed for gears with a maximum diameter of 150mm, widely used in automobiles and motorcycles. The high-speed, high-torque direct-drive motor for the main cutting spindle provides a maximum spindle speed of 6,000 min -- three times faster than previous models. The high efficiency spindle holding the workpiece uses a special table that provides high rigidity and high-speed rotation to handle the necessary thrust load for high efficiency machining.
Cutting gears with Nidec super-hard cutting tools yields a surface roughness of less than Ra0.4; on par with gear grinding. Scott Knoy, Nidec Machine Tool America VP of Sales says, "The GE15HS provides process efficiency, eliminating the finishing process of shaving prior to heat treatment, thereby improving productivity and reducing processing cost."
A larger machine, the GE25HS, is also available.
Used in combination with Nidec Machine Tool's new materials and coatings for cutting tools, the GE15HS model provides stable mass production with a maximum cutting speed of 1,500m/min.
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