Description
Subtract engagementTravel and allowance from availableTravel for margin.
A signed fit margin compares available space with an object and explicit allowances. Volume sufficiency, radial gaps, and diametral clearance are different conditions.
Subtract engagementTravel and allowance from availableTravel for margin.
When to use this tool
Use Latch Overtravel Engagement Margin when you need one transparent product fit or travel-margin term.
How to use the tool and how it works
- Enter availableTravel, engagementTravel, allowance. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read margin. Use the output convention below.
Subtract engagementTravel and allowance from availableTravel for margin.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| availableTravel | Available Travel | Required. Finite number; minimum 0. |
| engagementTravel | Engagement Travel | Required. Finite number; minimum 0. |
| allowance | Allowance | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| margin | Signed allowance remaining under the calculation above. | Required. Finite number. |
json
{
"input": {
"availableTravel": 12,
"engagementTravel": 8,
"allowance": 2
},
"output": {
"margin": 2
}
}Limitations and assumptions
- Use matching length units; positive geometric margin does not establish latch retention, force, durability, or safe operation.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Check complete three-dimensional geometry, tolerances, materials, and operating conditions before judging actual fit or safety.
References
Similar or alternative tools
- Snapfit Preload Clearance Sign
Add signed thermalChange to matingThickness and subtract freeGap for interference.
- Hinge Sweep Radius Gap
Subtract sweepRadius from availableRadius for gap.