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80-20-rail.kcl
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80-20-rail.kcl
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// 80/20 Rail
// An 80/20 extruded aluminum linear rail. T-slot profile adjustable by profile height, rail length, and origin position
// Define function
fn rail8020(originStart, railHeight, railLength) {
// Sketch side 1 of profile
sketch001 = startSketchOn('-XZ')
|> startProfileAt([
originStart[0],
0.1 * railHeight + originStart[1]
], %)
|> arc({
angleStart = 180,
angleEnd = 270,
radius = 0.1 * railHeight
}, %)
|> arc({
angleStart = 180,
angleEnd = 0,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(0.1 * railHeight, %)
|> arc({
angleStart = 180,
angleEnd = 0,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(0.06 * railHeight, %, $edge1)
|> yLine(0.087 * railHeight, %, $edge2)
|> xLine(-0.183 * railHeight, %, $edge3)
|> angledLineToY({
angle = 45,
to = (1 - 0.356) / 2 * railHeight + originStart[1]
}, %, $edge4)
|> xLine(0.232 * railHeight, %, $edge5)
|> angledLineToY({
angle = -45,
to = 0.087 * railHeight + originStart[1]
}, %, $edge6)
|> xLine(-0.183 * railHeight, %, $edge7)
|> yLine(-0.087 * railHeight, %, $edge8)
|> xLine(0.06 * railHeight, %)
|> arc({
angleStart = 180,
angleEnd = 0,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(0.1 * railHeight, %)
|> arc({
angleStart = 180,
angleEnd = 0,
radius = 0.072 / 4 * railHeight
}, %)
|> arc({
angleStart = -90,
angleEnd = 0,
radius = 0.1 * railHeight
}, %)
// Sketch side 2 of profile
|> arc({
angleStart = 270,
angleEnd = 90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(0.1 * railHeight, %)
|> arc({
angleStart = 270,
angleEnd = 90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(0.06 * railHeight, %, $edge9)
|> xLine(-0.087 * railHeight, %, $edge10)
|> yLine(-0.183 * railHeight, %, $edge11) // edge11
|> angledLineToX({
angle = 135,
to = ((1 - 0.356) / 2 + 0.356) * railHeight + originStart[0]
}, %, $edge12) // edge12
|> yLine(0.232 * railHeight, %, $edge13) // 13
|> angledLineToX({
angle = 45,
to = (1 - 0.087) * railHeight + originStart[0]
}, %, $edge14) // 14
|> yLine(-0.183 * railHeight, %, $edge15) // 15
|> xLine(0.087 * railHeight, %, $edge16)
|> yLine(0.06 * railHeight, %)
|> arc({
angleStart = 270,
angleEnd = 90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(0.1 * railHeight, %)
|> arc({
angleStart = 270,
angleEnd = 90,
radius = 0.072 / 4 * railHeight
}, %)
// Sketch side 3 of profile
|> arc({
angleStart = 0,
angleEnd = 90,
radius = 0.1 * railHeight
}, %)
|> arc({
angleStart = 0,
angleEnd = -180,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(-0.1 * railHeight, %)
|> arc({
angleStart = 0,
angleEnd = -180,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(-0.06 * railHeight, %, $edge17)
|> yLine(-0.087 * railHeight, %, $edge18)
|> xLine(0.183 * railHeight, %, $edge19)
|> angledLineToY({
angle = 45,
to = ((1 - 0.356) / 2 + 0.356) * railHeight + originStart[1]
}, %, $edge20)
|> xLine(-0.232 * railHeight, %, $edge21)
|> angledLineToY({
angle = 135,
to = (1 - 0.087) * railHeight + originStart[1]
}, %, $edge22)
|> xLine(0.183 * railHeight, %, $edge23)
|> yLine(0.087 * railHeight, %, $edge24)
|> xLine(-0.06 * railHeight, %)
|> arc({
angleStart = 0,
angleEnd = -180,
radius = 0.072 / 4 * railHeight
}, %)
|> xLine(-0.1 * railHeight, %)
|> arc({
angleStart = 0,
angleEnd = -180,
radius = 0.072 / 4 * railHeight
}, %)
|> arc({
angleStart = 90,
angleEnd = 180,
radius = 0.1 * railHeight
}, %)
// Sketch side 4 of profile
|> arc({
angleStart = 90,
angleEnd = -90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(-0.1 * railHeight, %)
|> arc({
angleStart = 90,
angleEnd = -90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(-0.06 * railHeight, %, $edge25)
|> xLine(0.087 * railHeight, %, $edge26)
|> yLine(0.183 * railHeight, %, $edge27)
|> angledLineToX({
angle = 135,
to = (1 - 0.356) / 2 * railHeight + originStart[0]
}, %, $edge28)
|> yLine(-0.232 * railHeight, %, $edge29)
|> angledLineToX({
angle = 45,
to = 0.087 * railHeight + originStart[0]
}, %, $edge30)
|> yLine(0.183 * railHeight, %, $edge31)
|> xLine(-0.087 * railHeight, %, $edge32)
|> yLine(-0.06 * railHeight, %)
|> arc({
angleStart = 90,
angleEnd = -90,
radius = 0.072 / 4 * railHeight
}, %)
|> yLine(-0.1 * railHeight, %)
|> arc({
angleStart = 90,
angleEnd = -90,
radius = 0.072 / 4 * railHeight
}, %)
|> close(%)
// Sketch center hole of profile
|> hole(circle({
center = [
.5 * railHeight + originStart[0],
.5 * railHeight + originStart[1]
],
radius = .205 * railHeight / 2
}, %), %)
|> extrude(railLength, %)
|> fillet({
radius = 0.06,
tags = [
getNextAdjacentEdge(edge3),
getNextAdjacentEdge(edge4),
getNextAdjacentEdge(edge5),
getNextAdjacentEdge(edge6),
getNextAdjacentEdge(edge11),
getNextAdjacentEdge(edge12),
getNextAdjacentEdge(edge13),
getNextAdjacentEdge(edge14),
getNextAdjacentEdge(edge19),
getNextAdjacentEdge(edge20),
getNextAdjacentEdge(edge21),
getNextAdjacentEdge(edge22),
getNextAdjacentEdge(edge27),
getNextAdjacentEdge(edge28),
getNextAdjacentEdge(edge29),
getNextAdjacentEdge(edge30)
]
}, %)
|> fillet({
radius = 0.03,
tags = [
getNextAdjacentEdge(edge1),
getNextAdjacentEdge(edge2),
getNextAdjacentEdge(edge7),
getNextAdjacentEdge(edge8),
getNextAdjacentEdge(edge9),
getNextAdjacentEdge(edge10),
getNextAdjacentEdge(edge15),
getNextAdjacentEdge(edge16),
getNextAdjacentEdge(edge17),
getNextAdjacentEdge(edge18),
getNextAdjacentEdge(edge23),
getNextAdjacentEdge(edge24),
getNextAdjacentEdge(edge25),
getNextAdjacentEdge(edge26),
getNextAdjacentEdge(edge31),
getNextAdjacentEdge(edge32)
]
}, %)
return sketch001
}
// Generate one adjustable rail of 80/20
rail8020([0, 0], 1.5, 48)