455.01095.020.0
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Interactive 3D model of Metric Involute Spur Gear Set 20/80/120/180T

Gears and transmission

Metric Involute Spur Gear Set 20/80/120/180T

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Bounding box
1095.0 × 455.0 × 20.0 mm
Engine
Precision B-rep
Parameters
14
Published
September 6, 2026

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The prompt

​"Create a set of metric involute spur gears with a 2.5 mm module, 20 degree pressure angle, including a 20-tooth pinion with 30 mm bore, an 80-tooth high speed gear, a 120-tooth medium speed gear, and a 180-tooth low speed gear."

Parameters

NameValueRange
Module2.5 mm2 – 8
Pressure Angle20 deg14.5 – 25
Face Width20 mm5 – 60
Clearance Between Parts25 mm5 – 200
Pinion Teeth20 count10 – 40
Pinion Bore30 mm10 – 30
Pinion Keyway Width8 mm3 – 18
Pinion Keyway Depth3.3 mm0.5 – 6
High Speed Gear Teeth80 count50 – 140
High Speed Gear Bore40 mm12 – 120
Medium Speed Gear Teeth120 count80 – 220
Medium Speed Gear Bore50 mm15 – 140
Low Speed Gear Teeth180 count120 – 300
Low Speed Gear Bore60 mm20 – 180

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.

Metric Involute Spur Gear Set 20/80/120/180T - Free CAD Model (STEP, STL) | TextoCAD