Calculations
**Generic Formulas**
Area
Volume
Strength of Materials
**Unit Conversions**
Density
Flow
Force
Length
Pressure
Temperature
Torque
Velocity
Viscosity

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- Crane operating cycles
- Calculation

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$cycles_{hour} = $

Integers or decimals only. Maximum 10 characters

Minimum value = 0.001

$hook_{cycles} =
$

Integers or decimals only. Maximum 10
characters

Minimum value = 0.001

$hook_{travel} =
$
$m$

Integers or decimals only. Maximum 10
characters

Minimum value = 0.001

$hours_{operating} =
$
$h$

Integers or decimals only. Maximum 10
characters

Minimum value = 0.001

$v_{hoist} =
$
$m / min$

Integers or decimals only. Maximum 10
characters

Minimum value = 0.001

Hoist motion hours per day

$$ hoist_{hours_{day}} = {{( hook_{cycles} \cdot hook_{travel} \cdot cycles_{hour} \cdot hours_{operating} ) \over \left({ v_{hoist} \cdot 60 }\right)}} $$

Hoist motion cycles per day

$$ hoist_{cycles_{day}} = {hoist_{hours_{day}} \cdot cycles_{hour}} $$

$hoist_{days} = $
$days$

Integers or decimals only. Maximum 10 characters

Minimum value = 0.001

$hoist_{years} = $
$years$

Integers or decimals only. Maximum 10 characters

Minimum value = 0.001

Class of utilisation for the crane as a whole

Class of utilisation | Max. number of operating cycles | Remarks |

U1 | 3.2 x 10^{4} | Infrequent use |

U2 | 6.3 x 10^{4} | Infrequent use |

U3 | 1.25 x 10^{5} | Infrequent use |

U4 | 2.5 x 10^{5} | Fairly frequent use |

U5 | 5 x 10^{5} | Frequent use |

U6 | 1 x 10^{6} | Very frequent use |

U7 | 2 x 10^{6} | Continuous or near continuous use |

U8 | 4 x 10^{6} | Continuous or near continuous use |

U9 | > 4 x 10^{6} | Continuous or near continuous use |

$$ crane_{cycles} = {hoist_{cycles_{day}} \cdot hoist_{days} \cdot hoist_{years}} $$

$crane_{cycles} = $

Integers or decimals only. Maximum 10 characters

Minimum value = 0.001