47ff4623bd
* updating example kcl * parantheses error * fix recast bug (#1746) Signed-off-by: Jess Frazelle <github@jessfraz.com> * minor fix * adding comment to kcl --------- Signed-off-by: Jess Frazelle <github@jessfraz.com> Co-authored-by: Jess Frazelle <jessfraz@users.noreply.github.com>
39 lines
1.4 KiB
TypeScript
39 lines
1.4 KiB
TypeScript
export const bracket = `// Shelf Bracket
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// This is a shelf bracket made out of 6061-T6 aluminum sheet metal. The required thickness is calculated based on a point load of 300 lbs applied to the end of the shelf. There are two brackets holding up the shelf, so the moment experienced is divided by 2. The shelf is 1 foot long from the wall.
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const sigmaAllow = 35000 // psi
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const width = 6 // inch
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const p = 300 // Force on shelf - lbs
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const distance = 12 // inches
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const M = 12 * 300 / 2 // Moment experienced at fixed end of bracket
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const FOS = 2 // Factor of safety of 2
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const shelfMountL = 8 // The length of the bracket holding up the shelf is 6 inches
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const wallMountL = 8 // the length of the bracket
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// Calculate the thickness off the allowable bending stress and factor of safety
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const thickness = sqrt(6 * M * FOS / (width * sigmaAllow))
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// 0.25 inch fillet radius
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const filletR = 0.25
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// Sketch the bracket and extrude with fillets
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const bracket = startSketchOn('XY')
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|> startProfileAt([0, 0], %)
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|> line([0, wallMountL], %, 'outerEdge')
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|> line([-shelfMountL, 0], %)
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|> line([0, -thickness], %)
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|> line([shelfMountL - thickness, 0], %, 'innerEdge')
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|> line([0, -wallMountL + thickness], %)
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|> close(%)
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|> extrude(width, %)
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|> fillet({
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radius: filletR,
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tags: [getNextAdjacentEdge('innerEdge', %)]
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}, %)
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|> fillet({
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radius: filletR + thickness,
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tags: [getNextAdjacentEdge('outerEdge', %)]
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}, %)
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`
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