Quick Answer
Calculate Safety-Critical Minimum Guard Opening Size for Finger/Hand Access Prevention
Calculator
Result Interpretation
Minimum Guard Opening Size for Finger/Hand Access Prevention Calculator computes Maximum Permissible Aperture Size in m using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Maximum Reach Depth Through Aperture (Anthropometric 95th Percentile) = 0.12
- Maximum Hand Thickness (Anthropometric 95th Percentile) = 0.034
- Minimum Safety Distance from Hazard Zone = 0.25
Expected Result:
- Maximum Permissible Aperture Size = 0.26221365334399
Engineering Interpretation:
Under the given input conditions, the calculated result is: Maximum Permissible Aperture Size = 0.26221365334399 m.
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
maximum permissible aperture size = sqrt(pow(Anthropometric 95th Percentile, 2) + pow(2.0 * minimum safety distance from hazard zone - 2.0 * Anthropometric 95th Percentile, 2))Formula family: formula_safety_safety_critical_minimum_guard_opening_size_for_finger_hand_access_prevention_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| hand_thickness_max | Maximum Hand Thickness (Anthropometric 95th Percentile) | INPUT | Maximum Hand Thickness (Anthropometric 95th Percentile) |
| safety_distance_min | Minimum Safety Distance from Hazard Zone | INPUT | Minimum Safety Distance from Hazard Zone |
| reach_depth_max | Maximum Reach Depth Through Aperture (Anthropometric 95th Percentile) | INPUT | Maximum Reach Depth Through Aperture (Anthropometric 95th Percentile) |
| maximum_permissible_aperture_size | Maximum Permissible Aperture Size | OUTPUT | Maximum Permissible Aperture Size |
Calculation Steps
- Enter the maximum hand thickness (anthropometric 95th percentile) in m.
- Enter the minimum safety distance from hazard zone in m.
- Enter the maximum reach depth through aperture (anthropometric 95th percentile) in m.
- Step 1: Compute maximum permissible aperture size.
- Read the maximum permissible aperture size (m) from the results.
Engineering Summary
Calculate Safety-Critical Minimum Guard Opening Size for Finger/Hand Access Prevention
Frequently Asked Questions
What does this calculator calculate?
The Minimum Guard Opening Size for Finger/Hand Access Prevention Calculator estimates Maximum Permissible Aperture Size based on the input parameters you provide
Why is maximum hand thickness (anthropometric 95th percentile) important in this calculation?
maximum hand thickness (anthropometric 95th percentile) is directly proportional to maximum permissible aperture size. When you enter maximum hand thickness (anthropometric 95th percentile) in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result maximum permissible aperture size?
The calculator outputs maximum permissible aperture size in m. 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: Maximum Hand Thickness (Anthropometric 95th Percentile) (m), Minimum Safety Distance from Hazard Zone (m), Maximum Reach Depth Through Aperture (Anthropometric 95th Percentile) (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
Related Tools
Browse More Tools
Explore the full index of engineering calculators on this vertical site.