Made of slippery plastic, these grommets allow shafts and bearings to spin freely in metal panels. The split construction lets you snap them around shafts you’ve already installed.

// Shaft Grommet
// Made of slippery plastic, these grommets allow shafts and bearings to spin freely in metal panels. The split construction lets you snap them around shafts you’ve already installed.
// Categories: Manufacturing

// Set units in inches (in)
@settings(defaultLengthUnit = in)

// Define parameters
id = 1 / 8
forHoleDiameter = 11 / 64
forMaterialThickness = 0.1
flangeDiameterA = 3 / 16
flangeDiameterB = 1 / 4
flangeHeight = 1 / 32
overallHeight = forMaterialThickness + flangeHeight * 2

// Create a sketch for the grommet profile on the YZ plane
grommetProfileSketch = startSketchOn(YZ)

// Define the profile of the grommet
grommetProfile = startProfile(grommetProfileSketch, at = [id / 2, 0])
  |> yLine(length = overallHeight)
  |> xLine(length = flangeDiameterB / 2 - (id / 2))
  |> yLine(length = -flangeHeight)
  |> xLine(length = forHoleDiameter / 2 - (flangeDiameterB / 2))
  |> yLine(length = -forMaterialThickness)
  |> xLine(length = flangeDiameterA / 2 - (forHoleDiameter / 2))
  |> yLine(length = -flangeHeight)
  |> close()

// Revolve the profile to create the grommet
grommet = revolve(grommetProfile, axis = Y, angle = 330.0)


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