Gears and transmission
Piñón recto 22 dientes módulo 0.85
- Bounding box
- 20.4 × 20.3 × 11.0 mm
- Engine
- Precision B-rep
- Parameters
- 7
- Published
- November 1, 2026
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The prompt
// Piñón recto de 22 dientes, diámetro aprox 20mm // Diseñado para impresión 3D en PETG $fn = 100; // Resolución del círculo teeth = 22; module_val = 0.85; // Módulo ajustado para un diámetro exterior de ~20mm outer_diameter = (teeth + 2) * module_val; // ~20.4 mm pitch_diameter = teeth * module_val; gear_thickness = 8; // Grosor del engranaje en mm bore_diameter = 5; // Diámetro del agujero central para el eje (ej: motor NEMA 17 u otro, ajústalo si necesitas) hub_diameter = 11; // Diámetro del manguito central para dar resistencia hub_height = 11; // Altura total incluyendo el manguito difference() { // Cuerpo principal del piñón (manguito + cuerpo del engranaje) union() { // Manguito central de refuerzo cylinder(d=hub_diameter, h=hub_height); // Disco base del engranaje cylinder(d=outer_diameter, h=gear_thickness); // Dientes del engranaje for (i = [0 : teeth - 1]) { rotate([0, 0, i * (360 / teeth)]) translate([pitch_diameter / 2, 0, 0]) cube([module_val * 2.2, module_val * 1.5, gear_thickness], center=true); } } // Agujero central para el eje translate([0, 0, -1]) cylinder(d=bore_diameter, h=hub_height + 2); }
Parameters
| Name | Value | Range |
|---|---|---|
| Módulo | 0.85 mm | 0.3 – 3 |
| Número de dientes | 22 count | 8 – 80 |
| Espesor del engranaje | 8 mm | 2 – 30 |
| Diámetro del barreno | 5 mm | 1 – 20 |
| Diámetro del manguito | 11 mm | 4 – 40 |
| Altura total del manguito | 11 mm | 2 – 40 |
| Chaflán superior del manguito | 0.4 mm | 0 – 1.5 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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