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

Helical Rack Gear Generator

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

Pressure Angle 20° (normal) Backlash None Tooth Form Linear
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HOW-TO How to Generate a Helical Rack Gear STEP File +
  1. Enter the module, number of teeth, rack height, face width, helix angle, and hand
  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 RACK GEAR
DEFAULT PARAMETERS
Helical Rack Gear Generator SAMPLE · m=2 · z=20 · β=15° · 131.44 mm
This is a sample image. After generating, view the actual model in 3D preview. 3D Preview →
CALCULATED · SPEC
AUTO-COMPUTED
mt
2.07mm
Transverse Module
p
6.50mm
Transverse Pitch
L
131.44mm
Rack Length
Δx
1.34mm
Tooth Trace Offset
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PARAMETERS
Enter Dimensions
7 REQUIRED
0.1–6 mm
mm

Basic unit determining tooth size

3–120 teeth
teeth

Number of rack teeth

2.5–40 mm
mm

Total height of the rack

1–50 mm
mm

Thickness of the rack

5–45 °
°

Inclination angle of the tooth trace

Hand

A right-hand rack meshes with a left-hand helical gear

End Faces

Unchecked: parallel to the tooth trace (parallelogram outline)

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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...