Quick Answer
Calculate Traction Elevator Governor Rope Tension Margin Validator
Calculator
Result Interpretation
Traction Elevator Governor Rope Tension Margin Validator Calculator computes Governor Rope Tension Margin in 1 using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Maximum Allowable Sag = 0.035
- Governor Rope Span Length = 4.2
- Safety Factor = 12
- Rope Breaking Load = 35000
- Rope Weight per Unit Length = 12.5
Expected Result:
- Governor Rope Tension Margin = 0.97
Engineering Interpretation:
Under the given input conditions, the calculated result is: Governor Rope Tension Margin = 0.97.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
governor rope tension margin = (rope breaking load * safety factor - (rope weight per unit length * pow(governor rope span length, 2) * 8.0 / (4.0 * maximum allowable sag))) / (rope breaking load * safety factor)Formula family: formula_elevator_traction_elevator_governor_rope_tension_and_sag_validator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| rope_breaking_load | Rope Breaking Load | INPUT | Rope Breaking Load |
| safety_factor | Safety Factor | INPUT | Safety Factor |
| rope_weight_per_unit_length | Rope Weight per Unit Length | INPUT | Rope Weight per Unit Length |
| span_length | Governor Rope Span Length | INPUT | Governor Rope Span Length |
| sag_max | Maximum Allowable Sag | INPUT | Maximum Allowable Sag |
| governor_rope_tension_margin | Governor Rope Tension Margin | OUTPUT | Governor Rope Tension Margin |
Calculation Steps
- Enter the rope breaking load in N.
- Enter the safety factor in 1.
- Enter the rope weight per unit length in N/m.
- Enter the governor rope span length in m.
- Enter the maximum allowable sag in m.
- Step 1: Compute governor rope tension margin.
- Read the governor rope tension margin (1) from the results.
Engineering Summary
Calculate Traction Elevator Governor Rope Tension Margin Validator
Frequently Asked Questions
What does this calculator calculate?
The Traction Elevator Governor Rope Tension Margin Validator Calculator estimates Governor Rope Tension Margin based on the input parameters you provide
Why is rope breaking load important in this calculation?
rope breaking load is inversely proportional to governor rope tension margin. When you enter rope breaking load in N, the calculator uses it in the engineering formula to compute the output
How should I interpret the result governor rope tension margin?
The calculator outputs governor rope tension margin. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Rope Breaking Load (N), Rope Weight per Unit Length (N/m), Governor Rope Span Length (m), Maximum Allowable Sag (m). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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