EngiRef / Formulas

V-Belt Length

Length of V-belt for two pulleys

Machine Design

Source Details

Id

mech-belt-length

Name

V-Belt Length

Discipline

mechanical

Category

Machine Design

Latex

L = 2C + \frac{\pi(D+d)}{2} + \frac{(D-d)^2}{4C}

Description

Length of V-belt for two pulleys

Conditions

Open belt drive; approximation assumes C >> |D-d|

Variables
[
  {
    "symbol": "L",
    "name": "Belt Length",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  },
  {
    "symbol": "C",
    "name": "Center Distance",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  },
  {
    "symbol": "D",
    "name": "Large Pulley Diameter",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  },
  {
    "symbol": "d",
    "name": "Small Pulley Diameter",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  }
]
Solve For

L

Tags

belt, pulley, drive, length

Is Custom

false