Bevel gears generator

Bevel gears generator

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Description

The application creates bevel gears for custom shaft angle. Script automatically groups operation on the timeline for pinion and wheel.

 

At this moment you can set:

  • module,
  • pressure angle (14.5, 17.5, 20, 22.5, 25 degrees),
  • clearance factor (0.188 or 0.25),
  • teeth shape (straight, spiral, zerol),
  • helix angle (in case of spiral and zerol)
  • shaft angle,
  • pinion teeth number,
  • pinion backlash (as arc length),
  • teeth direction of a pinion (in case of spiral and zerol),
  • wheel teeth number,
  • wheel backlash (as arc length),
  • adding chamfers (option),
  • width factor of chamfer (fraction of module),
  • height factor of chamfer (fraction of module),
  • showing progress (option).

 

Execution of plugin takes about half a minute for small (ex. z10/z30) shafts on i7/8GB RAM/512GB SSD computer. For larger number of teeth, especially for spiral and zerol it takes a few minutes. If the option "Show progress?" is off and you don't see any effects for a minute, there's also a standard Autodesk® Fusion 360™ progress bar in the lower right corner of the application and you can see if the plugin works.

 

Disclaimer:

Please make sure that the load analysis is done on gears designed by this plugin in real machines before releasing it to production. An additional check is needed especially in case of undercuts:

  • section analysis,
  • interference analysis,
  • load analysis,
  • joints and motion simulation.

 

If you want to manufacture and use gears designed by this plugin in real machines, remember that they can break during load and cause damages, severe injuries or death of people without tests.

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A propos de cette version

Version 1.1.0, 02/10/2019
**Version 1.1.0 (2019-09-27)** Changes: * custom shaft angle (the program doesn't check involute, trochoid or trimming interference for angles > 90), * improvement of performance - generating gears is now faster about 20% (straight) and 5% (spiral, zerol), * better surplus removal and tooth generating, * thickness of gear base is no smaller than module value, * "user-friendly" error messages and logging last operation parameters to file in case of error, * wheel teeth number cannot be less than 10 and less than pinion teeth number Fixes: * error with non-coincident rails for big geometries, * geometry issues (planes or very thin bodies) after surplus removal, * geometry issues during tooth creation (losses and defects for some configuration of parameters) **Version 1.0.7 (2019-09-23)** Fixes: * pinion was broken for cases where wheel body shared similar space during creation **Version 1.0.6 (2019-09-18)** Changes: * icons in teeth shape and teeth direction dropdown lists Fixes: * geometry errors in case of merging bodies for big gears **Version 1.0.5 (2019-09-08)** Fixes: * plugin hasn't stopped after clicking "Stop" in AddIn window **Version 1.0.4 (2019-09-05):** Fixes: * tooltips with "herringbone" instead of "zerol", * error during starting plugin with Fusion. **Version 1.0.3 (2019-09-05):** Changes: * backlash for pinion, * backlash for a wheel, * configurable width and height of chamfers, * settings (pinion, wheel, chamfers) splitted into sections on UI. **Version 1.0.2 (2019-08-29):** Changes: * new setting - backlash (same for pinion and wheel at this moment) Fixes: * height of gear now depends on the module; previously it can lead to error for small values of modules because of constant value **Version 1.0.0 (2019-08-28):** Available settings: * module, * number of wheel teeth, * number of pinion teeth, * pressure angle (14.5, 17.5, 20, 22.5, 25 degrees), * clearance factor (0.188 or 0.25), * shape of teeth (straight, spiral - left/right hand, zerol - left/right hand), * OPTION: helix angle (for spiral and zerol) * OPTION: hand direction (left (L) or right (R) for spiral and zerol) * OPTION: adding chamfer for tampering inner and outer teeth edges, * OPTION: show progress mode for tracing execution. Planned features: * configurable backlash (now it's set to 0) both for pinion and wheel, * configurable coefficients of profile shifting (now they are 0 which means created gears are "zero" - without profile shifting), * configurable chamfer dimensions for tampering inner and outer teeth edges (now width = 0.15 * module and height = 0.3 * module), * configurable thickness of gears (now it has less than 5mm and it does not depend on module), * configurable shaft's angle.

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