Main Differences in
Gear & Sprocket Cutting Technologies:
Affordability and Quality


Flame cutting vs. Cold machining vs. Flame machining

If It’s Not Cogmatic, It’s Not Flame Machining

Typical Flame Cutting

General Application: Commercially available, for off-the-shelf machines

  • Poor tooth-to-tooth spacing
  • Surface blemishes, such as gouges, tears, slags and lumps commonly occur
  • Teeth are not square to the face of the plate

Results: The poor quality of typical flame cut components often results in poor chain engagement; noisy operation; excessive wear; and uneven load patterns.

Cold Machining

General Application: Expensive, large-scale equipment

  • Excellent quality
  • Long lead times
  • High minimum orders
  • Cost-prohibitive rates
  • Often unrealistic for many OEMs

Results: Great quality, but you’ll pay for it in time and cost (and potential costs due to waiting times)

Cogmatic Flame Machining Technology

General Application: Proprietary machines that create accurate parts

  • Accurate tooth spacing throughout the sprocket circumference
  • Controlled cutting speed assures a smooth finish
  • Precise square tooth profile every time

Results: Accurate chain engagement, reduced noise, even wear and proper loading patterns.