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

Helical Gear Generator

Enter module, number of teeth, helix angle, hand, bore diameter, and face width to generate a STEP file for a helical gear.

Pressure Angle 20° (normal) Backlash None Tooth Form Involute
🔍 View 3D Preview First
HOW-TO How to Generate a Helical Gear STEP File +
  1. Enter the module, number of teeth, helix angle, hand, bore 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=20 · β=15°
HELICAL GEAR
DEFAULT PARAMETERS
Helical Gear Generator SAMPLE · ⌀ 45 mm · β 15° · b 10 mm
This is a sample image. After generating, view the actual model in 3D preview. 3D Preview →
CALCULATED · SPEC
AUTO-COMPUTED
D
41.41mm
Pitch Diameter
Da
45.41mm
Tip Diameter
Df
36.41mm
Root Diameter
L
485.6mm
Lead
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Gear Power Transmission For 3D Printing
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PARAMETERS
Enter Dimensions
6 REQUIRED
0.1–6 mm
mm

Basic unit determining tooth size

17–120 teeth
teeth

Number of teeth

5–45 °
°

Inclination angle of the tooth trace

0–100 mm
mm

Diameter of the center bore (0 = no bore)

1–50 mm
mm

Axial thickness of the gear (face width)

Hand

Direction the tooth trace leans

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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...