pyGear Changelog

What's new in pyGear 0.21 Alpha

Dec 5, 2011
  • removed redundancies from code
  • modified twork with newer versions of pythonOCC, NumPy and SciPy
  • removed trochoidal root shape generation as it was not correct for helical gears --> use hobbing simulation for exact root fillet shape instead

New in pyGear 0.20 Alpha (Dec 5, 2011)

  • gear hobbing simulation --> exact geometry (external gears only)
  • multi-step manufacturing by defnition of blank
  • new classes: "Tool" "ToothedRackTool" "Machine" "GearHobber" "Blank"

New in pyGear 0.14 Alpha (Dec 5, 2011)

  • tooth thickness allowance --> exact flank
  • addendum allowance
  • acceptance backlash calculation
  • tip chamfer enhancements
  • bug fixes
  • renamed classes: "SpurGearWheel" --> "CylindricalGearWheel" "SpurGearPair" --> "CylindricalGearPair"

New in pyGear 0.12 Alpha (Dec 5, 2011)

  • gear-generator for cylindrical gear wheels (spur, helical, internal, external) 2d-export (x-y-coordinates)
  • 3d-export (STEP, IGES, VRML) and display
  • basic gear pair calculations