The avatar for @machine-agency
Machine Agency
Public
Exprimer
Edited
May 4, 2023
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envelopeWidth = 245
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envelopeHeight = 170
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clankBedThickness = 19.05
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path = ["M3,0,0,0", "M3,100,100,0"]
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populateVizSpace(tpVizSpace, [path])
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stepover = 0.5
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facingDepth = -0.25
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travelHeight = 5
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function range(n) {
return [...Array(n).keys()];
}
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function toFixed(num, fixed) {
let re = new RegExp("^-?\\d+(?:.\\d{0," + (fixed || -1) + "})?");
let truncStr = num.toString().match(re)[0];
return parseFloat(truncStr);
}
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endMillDiameter = 3.17
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numTraversals = Math.floor(envelopeHeight / (endMillDiameter * stepover))
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yVals = range(numTraversals).map((ti) =>
toFixed(ti * (endMillDiameter * stepover), 2)
)
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points = yVals
.map((y, idx) => {
if (idx % 2 === 0) {
return [
[0, y],
[envelopeWidth, y]
];
} else {
return [
[envelopeWidth, y],
[0, y]
];
}
})
.flat()
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mainToolpath = points.map((pt) => `G1 X${pt[0]} Y${pt[1]}`)
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feed = 3886.2
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setMainFeed = [`G0 F${feed}`]
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setSpeedAndSpindleOn = [`M3 S5000`, `G4 S1`, `M3 S10000`, `G4 S1`, `M3 S15000`]
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spindleOff = [`M5`]
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initialPlunge = [`G1 Z${facingDepth} F${feed / 4}`, ...setMainFeed]
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moveToTravelHeight = [`G0 Z${travelHeight} F${feed * 2}`, ...setMainFeed]
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moveToOrigin = ["G0 X0 Y0"]
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preamble = [
// "G17",
"G21", // set units to mm
// "G40",
// "G49",
// "G54",
// ";G80",
"G90", // absolute positioning
"G94", // feed rate set to units/min
"T0" // activate current tool
]
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entireToolpath = [
preamble,
setMainFeed,
moveToTravelHeight,
moveToOrigin,
setSpeedAndSpindleOn,
initialPlunge,
mainToolpath,
moveToTravelHeight,
spindleOff
].flat()
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entireToolpathString = entireToolpath.join("\n")
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downloadButton(entireToolpathString, "facing.nc")
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