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Screw Boss Wall Thickness Ratio Tool

Calculate screw boss wall thickness ratio from explicit caller-supplied inputs.

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Description

Subtract innerDiameter from outerDiameter and halve for radialThickness.

Ideal product geometry maps dimensions into lengths, areas, or coordinates under a stated shape model. A dimension ratio does not by itself establish manufacturability, strength, or usability.

Subtract innerDiameter from outerDiameter and halve for radialThickness.

When to use this tool

Use Screw Boss Wall Thickness Ratio when you need one explicit product-geometry component.

How to use the tool and how it works

  1. Enter outerDiameter, innerDiameter, nominalWall. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read radialThickness, ratio. Use the output convention below.

Subtract innerDiameter from outerDiameter and halve for radialThickness. Divide that thickness by positive nominalWall for ratio.1

Input fieldMeaning and unitsAccepted input
outerDiameterOuter DiameterRequired. Finite number.
innerDiameterInner DiameterRequired. Finite number; minimum 0.
nominalWallNominal WallRequired. Finite number; strictly above 0.
Output fieldInterpretationReturned shape
radialThicknessRadial ThicknessRequired. Finite number.
ratioRatio using the numerator and denominator conventions stated above.Required. Finite number.
json
{
  "input": {
    "outerDiameter": 10,
    "innerDiameter": 6,
    "nominalWall": 2
  },
  "output": {
    "radialThickness": 2,
    "ratio": 1
  }
}

Limitations and assumptions

  • Use matching length units; this ideal circular boss term does not assess molding defects, strength, or a recommended design ratio.
  • 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

Use the complete design model, material data, tolerances, and physical verification for engineering decisions.

References

  1. Calculation and input contract: industrial-design/screw-boss-wall-thickness-ratio — tool.io

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