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//Variables starting with keyword "let" are adjustable by customers
let lineWidth = 0.1; // mm
let layerHeight = 0.1; // mm
let speed = 45; // mm/s
let infill = 0.2; // number in [0,1]
let wallThickness = 2; // mm
let supportInfill = 0.2; // number in [0,1]
let volumeFactor = 0.0010747; // number, describes importance of model's volume
let areaFactor = 0.04317783; // number, describes importance of model's surface area
let supportFactor = 0.0003774; // number, describes importance of support volume
// Don't change the following lines
let exponent;
if( model.volume < 3000){
exponent = 0.55;
} else {
exponent = 0.88;
}
let volumePart = volumeFactor*(0.818182 - lineWidth)*(Math.pow(layerHeight, (-1.07)) +
0.232)*(Math.pow(speed, (-1.08)))*(Math.pow(infill*100, (1.02)))*model.volume;
let areaPart = areaFactor*(1.578431 - lineWidth)*(Math.pow(layerHeight, (-0.98)) + 0.341)*
(Math.pow(wallThickness, exponent) + 0.002)*(Math.pow(speed, (-0.84)) +
0.003)*model.area;
let supportPart = supportFactor*supportInfill*support.volume;
let time = volumePart + areaPart + supportPart; // time in minutes
let machineTime = time/60; // time in hours |
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SLS Material Pricing based on Machine Runtime
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//Variables starting with keyword "let" are adjustable by customers
//Material variables
let materialCost = 60; // euro/kg
let density = 1.02; // g/cm^3
let margin = 1; // total price is multiplied with margin
//Machine time variables
let maxXYSurface = 1000; // xy surface of the printer in mm^2
let timePerHeight = 10; // h/mm model's height
let machineRate = 50; // euro/hour
// Material cost calculation
let material = model.volume * materialCost * density * 0.000001;
// Don't change the following lines
// Machine runtime cost calculation in hour
let machineTime = (model.h*timePerHeight)*((model.w*model.d)/maxXYSurface);
let machine = machineTime * machineRate;
//Total price: material price plus machine runtime cost
let price = margin * (material + machine);
price; |
WAAM Material Pricing based on Machine Runtime
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//material cost
const materialCost = 50 // €/kg, the cost of metal wire is roughly 10% of the powder cost for same metal
const materialDensity = 7.93 // g/cm^3 --> SS316 density
const utilisationRate = 0.75 // 75%
const depositionRate = 3 //kg/hr, average according to literatture
const hourlyRate = 50 //€ per hour
const partVolume = model.volume
const supportVolume = support.volume
const materialPrice = Math.max(partVolume * materialDensity * materialCost*0.000001,0)
const weldingTime = (partVolume*materialDensity*0.000001)/depositionRate; //in hours
const machineCost = weldingTime*hourlyRate;
let price = 250 + (machineCost + materialPrice);
price; |