Mechatronics Canada

June 23, 2022

 

MC Nidec Machine Tool to Exhibit Two Geaarmaknig Machines 1 400

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 in Booth 237036. 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*1 for the main cutting spindle provides a maximum spindle speed of 6,000 min-1*2 - 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*3 for high efficiency machining. Cutting gears with Nidec super-hard cutting tools yields a surface roughness of less than Ra0.4*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.

MC Nidec Machine Tool to Exhibit Two Geaarmaknig Machines 2 400

 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. More than 2,800 Nidec GE Series hobbing machines have been delivered and installed since the product launch in 2004.

The Nidec booth will also feature the ZI20A-G Generating Internal Gear Grinder. Hard finishing of internal ring gears in mass production is the final frontier for automotive and truck transmission applications. For quiet, smoothly meshing internal ring gears, the ZI20A-G utilizes patented technology for threaded wheel grinding. This breakthrough process delivers fast and very cost-effective production of internal ring gears for planetary gearsets.

 

Notes

*1: Direct-drive mechanism motors utilize the torque coming from a motor without passing through a gear box or other mechanism in order to control driving loss due to friction and reduce wear on parts.

*2: The “min-1” notation is a unit expressing the number of turns in one minute, synonymous with “revolutions/rotations per minute” (rpm).

*3: Thrust load is the force applied to the shaft in a horizontal (parallel) direction (the axial direction of the rotor).

*4: In-house machining result with GE15S (Workpiece data: Module 1.6mm; No. of teeth 19; helix angle: 24°; face width: 24mm)

 

 

GE15HS

GE25HS

Max. workpiece diameter

150㎜

250㎜

Max. cutting module

4㎜

6㎜

 

Max. hob diameter

90㎜

130㎜

Max. hob length

190㎜

230㎜

Mount of hob shift

150㎜

180㎜

Max. spindle rotation speed

6,000 min-1

Direct drive mechanism

2,300 min-1

Main motor rated output

24 kW

25 kW

MC Nidec Machine Too to Exhibit Two Gearmaking Machines at IMTS 3 400

 

 

Visit them at IMTS 2022, Booth 23703

 

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