curl --request POST \
  --url https://api.iotools.cloud/v1/tool/press-fit-interference-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "shaftDiameter": "25.040",
  "holeDiameter": "25.000",
  "hubOuterDiameter": "50.000",
  "shaftModulus": "200",
  "shaftPoisson": "0.30",
  "hubModulus": "200",
  "hubPoisson": "0.30",
  "engagementLength": "25",
  "frictionCoefficient": "0.15",
  "hubYieldStrength": "250"
}
'

{
  "tool": "press-fit-interference-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "results": [
      {
        "metric": "Nominal Interface Diameter",
        "value": "25.020 mm"
      },
      {
        "metric": "Diametral Interference",
        "value": "0.0400 mm"
      },
      {
        "metric": "Contact Pressure",
        "value": "119.84 MPa"
      },
      {
        "metric": "Max Hoop Stress (Hub Bore)",
        "value": "199.90 MPa"
      },
      {
        "metric": "Shaft Compressive Stress",
        "value": "119.84 MPa"
      },
      {
        "metric": "Press-In Force",
        "value": "35324 N (35.32 kN)"
      },
      {
        "metric": "Torque Capacity",
        "value": "441.90 N·m"
      },
      {
        "metric": "Hub Von Mises Stress",
        "value": "279.79 MPa"
      },
      {
        "metric": "Hub Safety Factor",
        "value": "0.89 — exceeds yield, fit is too tight"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}