3D preview of Three-Joint Fork-Type Articulated Arm
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Interactive 3D model of Three-Joint Fork-Type Articulated Arm

Mechanical parts

Three-Joint Fork-Type Articulated Arm

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Bounding box
1050.0 × 140.0 × 192.0 mm
Engine
Precision B-rep
Parameters
20
Published
October 14, 2026

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The prompt

Make a a three joint articulated arm with the joints being of the fork type. Each joint should be 300 mm. Size it for 100kg load at full extension horizontally. Material is aluminium.

Parameters

NameValueRange
Number of Fork Joints3 pcs2 – 5
Joint Centre Spacing300 mm100 – 600
Tongue / Fork Length70 mm20 – 150
Tongue Thickness19.6 mm5 – 60
Fork Slot Width20 mm5 – 60
Clevis Pin Diameter16 mm4 – 60
Pin Head Diameter26 mm6 – 80
Pin Head Thickness6 mm2 – 20
Link Width (Y)50 mm20 – 120
Link Height (Z)80 mm30 – 200
Base Block Length120 mm60 – 250
Base Block Width70 mm30 – 200
Base Block Height180 mm80 – 400
Base Plate Length210 mm120 – 400
Base Plate Width140 mm80 – 300
Base Plate Thickness12 mm5 – 40
Base Bolt Hole Dia12 mm4 – 30
Tool Flange Thickness25 mm8 – 60
Tool Flange Size100 mm40 – 250
Tool Mounting Hole Dia9 mm3 – 25

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.

Three-Joint Fork-Type Articulated Arm - Free CAD Model (STEP, STL) | TextoCAD