Fittings and adapters
Bushed Pin Flexible Coupling
- Bounding box
- 160.0 × 160.0 × 145.0 mm
- Engine
- Precision B-rep
- Parameters
- 14
- Published
- October 14, 2026
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The prompt
Design the complete bushed pin flexible coupling using suitable standard design practices and the following assumptions: Power transmitted = 15 kW, Speed of shaft = 960 rpm, Service factor = 1.5 Shaft material = Medium carbon steel Allowable shear stress for shaft = 40 MPa Allowable shear stress for key = 30 MPa Allowable crushing stress for key = 60 MPa Allowable shear stress for flange = 30 MPa Allowable shear stress for pin = 25 MPa Allowable bearing pressure on bush = 1.5 MPa Allowable shear stress for bolts/pins = 25 MPa Material of flange/hub = C45 steel Material of pins = Medium carbon steel Bush material = Rubber / elastomer Factor of safety for static structural analysis = 2 Assume the coupling has 8 equally spaced pins. Use a suitable standard proportion for the coupling wherever a direct design equation is not specified.
Parameters
| Name | Value | Range |
|---|---|---|
| Shaft Bore Diameter | 35 mm | 10 – 100 |
| Hub Diameter | 70 mm | 20 – 200 |
| Hub Length | 60 mm | 10 – 200 |
| Flange Outer Diameter | 160 mm | 40 – 400 |
| Flange Thickness | 25 mm | 5 – 100 |
| Pin Circle Diameter | 110 mm | 20 – 300 |
| Number of Pins | 8 | 2 – 24 |
| Pin Diameter | 18 mm | 4 – 50 |
| Bush Outer Diameter | 30 mm | 6 – 80 |
| Bush Length | 30 mm | 5 – 100 |
| Pin Length | 60 mm | 10 – 200 |
| Key Width | 10 mm | 2 – 40 |
| Key Height | 8 mm | 2 – 40 |
| Keyway Length | 60 mm | 5 – 200 |
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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