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OUTPUT · STEP (AP214)
PARAMETRIC · 3D · STEP

Internal Gear Generator

Enter module, number of teeth, outer diameter, and face width to generate a STEP file for an internal gear.

Pressure Angle 20° Backlash None Tooth Form Involute
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HOW-TO How to Generate an Internal Gear STEP File +
  1. Enter the module, number of teeth, outer diameter, and face width
  2. Calculated values update in real time as parameters change
  3. Click "Download STEP File" or "Preview STEP Model"
  4. If you selected "Download STEP File", the STEP file will be saved automatically
  5. If you selected "Preview STEP Model", check the 3D model, then click "Download STEP File" manually
SAMPLE
STATIC · DEFAULT-VALUE MODEL
● SAMPLE IMAGE
VIEW · ISO
m=2 · z=40
INTERNAL SPUR GEAR
DEFAULT PARAMETERS
Internal Gear Generator SAMPLE · ⌀ 100 mm · b 10 mm
CALCULATED · SPEC
AUTO-COMPUTED
D
80.00mm
Pitch Diameter
Da
76.00mm
Tip Diameter
Df
85.00mm
Root Diameter
t
7.50mm
Rim Thickness
PARAMETERS
Enter Dimensions
4 REQUIRED
0.1–6 mm
mm

Basic unit determining tooth size

34–120 teeth
teeth

Number of teeth on the gear

5–800 mm
mm

Outside diameter of the ring. Must be larger than the root diameter

1–50 mm
mm

Axial thickness of the gear

ABOUT · STEP

The STEP file (.step / .stp) is a standard 3D CAD format that retains dimensional and topology data. Compatible with major CAD software including Fusion 360, SolidWorks, and FreeCAD.

  • Full-scale solid (mm units)
  • Editable dimensions and post-processing in CAD
  • Convertible with a slicer for 3D printing

Generating 3D model...