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Description
Plugin creates a rack with gears for given parameters. Models are created in a new document as direct design.
Available features:
- Module (m) <0.5 ... 20> [mm],
- Pressure angle (α) <14.5, 25> [°],
- Clearance factor (cf) <0.1 ... 0.25>,
- Gear and rack thickness (t) <1m ... 50m> [mm],
- Teeth shape: straight, helical (right/left), double helical, herringbone,
- Helix angle (β) <10 ... 40> [°],
- Groove width (gw) <1m ... t-2m> [mm],
- Groove depth (gd) <0 ... rf> [mm],
- Gear teeth number (zg) <8 ... 200>,
- Gear backlash (bg) <-0.2 ... 0.2> [mm],
- Profile shift factor (x) <-1 ... 1>,
- Gear teeth direction: right, left,
- Rack teeth number (zr) <8 ... 300>,
- Rack backlash (br) <-0.2 ... 0.2> [mm],
- Height of pitch line (H) <3m ... 10m> [mm],
- Chamfers: none, both sides,
- Width factor of chamfer (fw) <0, 0.25>,
- Height factor of chamfer (fh) <0, 0.25>
- Save, load, reset parameters,
- Auto-loading last used parameters,
- Showing progress,
- Displaying estimated time,
- Ability of cancelling process,
- Adding joints,
- Axis in gear,
- preview: 3D model, 3D model with descriptions.
Execution of the plugin for small sets takes less than a half minute on i7/8GB RAM/512GB SSD computer. For a larger number of teeth, especially for helical and double helical it can take a few minutes. During the operation a progress bar with the current step is visible.
Disclaimer:
Program doesn't check interferences automatically and doesn't perform any analyse of prepared components. Please make sure that necessary check is done before releasing this onto production. Samples how to perform interference, sections and motion analysis is presented on my YouTube channel.
About This Version
Version 3.0.0, 5/20/2020**Version 3.0.0 (2020-02-28):**
New:
* menu section at the top,
* save, load, reset moved from bottom to menu,
* preview (none, 3D, 3D with descriptions),
* adding joints (revolute and slider),
* normal/axial option of tooth's profile,
* displaying estimated time,
* process can be cancelled,
* axis in gear (exact center for further processing),
* motion link formulas both for gear and rack in components' descriptions
Changes:
* better algorithm for generating tooth's profile no matter it is with undercut or not,
* no separate clearance per gear and rack,
* range of module (m): <0.5 ... 20> [mm],
* range of pressure angle (α): <14.5 ... 25> [°],
* range of clearance factor (fc): <0.1 ... 0.25>,
* range of thickness (t): <1m ... 50m> [mm],
* range of groove width (gw): <1m ... t - 2m> [mm] (double helical only),
* range of groove depth (gd): <0 ... rf, 0 ... H - m(2 + fc)> [mm] (double helical only),
* range of helix angle (β): <10 ... 40> [°],
* range of gear teeth number (zg): <8 ... 200>,
* range of backlashes (bg, br): <-0.2 ... 0.2> [mm],
* range of profile factor (x): <-1 ... 1>,
* range of rack teeth number (zr): <8 ... 300>,
* range of height of pitch line (H): <3m ... 10m> [mm],
* range of chamfer width factor (fw): <0.1m ... 0.25m>,
* range of chamfer height factor (fh): <0.1m ... 0.25m>,
* type of rack tooth (normal, hob tool) removed,
* add chamfers checkbox replaced by buttons,
* top land thickness (crest width) less than m/10 doesn't block process,
* gear and rack are automatically created in a new file,
* direct design instead of parametric,
* better descriptions with graphics for all inputs,
* better description of steps in progress window,
* new (blue) plugin's icon
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