Malkar Industries

Electric Motors & EV · Application

EV and e-axle reduction gears

Precision ground and helical gears for the reduction stage between an electric motor and the wheels.

What was needed
Helical Gear, Ground Gear
Requirements
  • Low noise at high speed
  • Accurate tooth form and finish
  • High load capacity
Result
Quiet reduction stages for high-speed electric drives.

Problem

Electric motors run fast, so a reduction stage is needed between motor and wheel. Without engine noise to mask it, gear whine is clearly heard, so accuracy and finish are critical.

Solution

Helical gears for smooth meshing and ground gears for accuracy and surface finish reduce noise at high speed. Made to drawing in the required material and heat treatment.

Benefits

Why it works

Low noise

Helical and ground teeth mesh smoothly.

High-speed capable

Accurate gears for high motor speeds.