3D preview of Stepped Shaft with Keyway
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Interactive 3D model of Stepped Shaft with Keyway

Mechanical parts

Stepped Shaft with Keyway

4 views
Bounding box
70.1 × 70.0 × 220.1 mm
Engine
Precision B-rep
Parameters
9
Published
September 6, 2026

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The prompt

​"Create a stepped cylindrical shaft in C45 steel, length 220 mm, transitioning from a 40 mm diameter to a 70 mm main journal, featuring a 20x12 mm parallel keyway slot."

Parameters

NameValueRange
Small End Diameter40 mm20 – 60
Main Journal Diameter70 mm50 – 100
Total Length220 mm100 – 400
Small Section Length60 mm20 – 150
Keyway Width20 mm6 – 32
Keyway Depth12 mm3 – 20
Keyway Length80 mm20 – 150
Transition Fillet Radius4 mm1 – 10
End Chamfer2 mm0.5 – 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.

Stepped Shaft with Keyway - Free CAD Model (STEP, STL) | TextoCAD