Plates and panels
Butterfly Valve Exhaust Pipe
- Bounding box
- 80 × 115 × 120 mm
- Engine
- 3D Printing B-rep
- Parameters
- 24
- Published
- November 12, 2026
Download
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The prompt
// Butterfly valve with fixed shaft difference() { cylinder(h=122, d=80); translate([0,0,-1]) cylinder(h=124, d=76); } // Butterfly disc fixed to shaft union() { // Disc translate([0,0,60]) rotate([90,0,0]) cylinder(h=3, d=75); // Shaft permanently attached to disc translate([0,-55,60]) rotate([90,0,0]) union() { cylinder(h=110, d=8); // Mechanical lock block inside disc translate([-4,-10,-6]) cube([8,20,12]); } // Servo arm translate([0,55,60]) rotate([90,0,0]) union() { cylinder(h=5, d=16); translate([0,-5,0]) cube([35,10,5]); } }
Parameters
| Name | Value | Range |
|---|---|---|
| Pipe outer diameter | 80 mm | 40 – 160 |
| Pipe inner bore diameter | 76 mm | 30 – 150 |
| Pipe height | 120 mm | 40 – 300 |
| Bearing boss diameter | 16 mm | 8 – 40 |
| Bearing boss protrusion beyond pipe OD | 5 mm | 2 – 25 |
| Disc diameter | 75 mm | 20 – 150 |
| Disc thickness | 3 mm | 1 – 10 |
| Shaft diameter | 8 mm | 3 – 20 |
| Shaft length | 110 mm | 40 – 250 |
| Lock block width | 8 mm | 4 – 30 |
| Lock block height | 12 mm | 4 – 40 |
| Lock block length along shaft | 20 mm | 4 – 60 |
| Shaft-to-disc fillet radius | 2 mm | 0.5 – 6 |
| Stop collar diameter | 14 mm | 9 – 30 |
| Stop collar thickness | 3 mm | 1 – 10 |
| Arm length from shaft axis | 35 mm | 10 – 120 |
| Arm width | 10 mm | 4 – 40 |
| Lever and boss thickness | 5 mm | 2 – 15 |
| Pin diameter | 3 mm | 2 – 8 |
| Pin length | 10 mm | 3 – 30 |
| Pin distance from shaft axis | 30 mm | 0 – 100 |
| Pin height above valve axis | 2.5 mm | 0 – 20 |
| Sliding clearance per side shaft/hole | 0.25 mm | 0.1 – 0.6 |
| Press-fit interference per side | 0.1 mm | 0.05 – 0.3 |
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.
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