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Measuring Involute Sprockets with Gear

Has anyone ever measured involute sprockets with the Gear software package. THe issue I am having is that the pitch diameter of the involute sprocket is larger than the major diameter. Therefore, the tooth thickness at pitch diameter is a negative number. The software does not seem to be set-up to handle this situation. Any help would be appreciated.
Parents
  • I may have discovered a way around my problem. Using the original pitch diameter, pressure angle and tooth thickness values, I recalculated a new pitch diameter, pressure angle and tooth thickness centrally between the major and minor diameters on the involute curve. This works well with the CAM system. I am yet to verify with the Gear software. I will update when I confirm this works.
Reply
  • I may have discovered a way around my problem. Using the original pitch diameter, pressure angle and tooth thickness values, I recalculated a new pitch diameter, pressure angle and tooth thickness centrally between the major and minor diameters on the involute curve. This works well with the CAM system. I am yet to verify with the Gear software. I will update when I confirm this works.
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