Helical Gear

Helical Gear

The leading edges of the teeth are not parallel to the axis of rotation but are set at an angle. Since the gear is curved, this angling makes the tooth shape a segment of a helix. Helical gears can be meshed in parallel or crossed orientations. The former refers to when the shafts are parallel to each other; this is the most common orientation.

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Manufacturing Method

Produced on the gear hobbing machine. During the hobbing process, both the cutter as well as workpiece rotate and the cutter feeds axially across gear blank. Serves the same purpose as spur gears.


Carburizing steel (EN8, EN19, EN24, EN36), Stainless steel, Aluminium, Nylon, and phosphorus bronze


Our pricing model considers the following:

  1. Raw material costs determined by the size of material required
  2. Plus estimated machine and gear-cutting time
  3. Plus heat treatment costs (only if required)


From approximately 20 mm diameter to 1200 mm diameter