Hunter Precision Tool – Chip Load Calculator
https://cdn.tailwindcss.com
/* Custom styles utilizing a precision lime green & high-tech blue theme */
:root {
–hunter-blue-card: #1e293b;
–hunter-limegreen: #84cc16;
–hunter-blue-dark: #0f172a;
–hunter-blue-field: #334155;
}
body {
background-color: var(–hunter-blue-dark);
color: #f3f4f6;
font-family: -apple-system, BlinkMacSystemFont, “Segoe UI”, Roboto, Helvetica, Arial, sans-serif;
}
.hunter-card {
background-color: var(–hunter-blue-card);
border-top: 4px solid var(–hunter-limegreen);
box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}
.input-field {
background-color: var(–hunter-blue-field);
border: 1px solid #475569;
color: #ffffff;
transition: all 0.2s ease-in-out;
}
.input-field:focus {
border-color: var(–hunter-limegreen);
outline: none;
box-shadow: 0 0 0 2px rgba(132, 204, 22, 0.2);
}
.hunter-btn {
background: linear-gradient(135deg, var(–hunter-limegreen) 0%, #65a30d 100%);
color: var(–hunter-blue-dark);
font-weight: 700;
letter-spacing: 0.05em;
transition: all 0.2s ease-in-out;
}
.hunter-btn:hover {
transform: translateY(-1px);
box-shadow: 0 4px 12px rgba(132, 204, 22, 0.3);
filter: brightness(1.1);
}
.hunter-btn:active {
transform: translateY(1px);
}
/* Custom Radio Button Styling */
.radio-btn {
display: none;
}
.radio-label {
background-color: var(–hunter-blue-field);
border: 1px solid #475569;
cursor: pointer;
transition: all 0.2s;
}
.radio-btn:checked + .radio-label {
background-color: var(–hunter-limegreen);
color: var(–hunter-blue-dark);
border-color: var(–hunter-limegreen);
font-weight: 600;
}
/* Custom Text Gradient Matching Corporate Colors Precisely */
.hunter-brand-text {
background: linear-gradient(to right, #7abd00 0%, #004d93 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
Chip Load Calculator
Determine optimum machinery settings, including feed speed, knife marks, and chip load per tooth.
Solve For
Chip Load
Feed Speed
Knife Marks
Calculation Output
Chip Load Per Tooth
0.0056
Inches
Please enter valid numbers greater than zero.
Formulas Reference:
• Chip Load = Feed Rate / (RPM × Knives)
• Dependent variables scale by 12x when navigating across foot/inch specifications.
document.addEventListener(‘DOMContentLoaded’, function() {
// State
let currentUnit = ‘inches’; // ‘inches’ or ‘feet’
// DOM Elements
const tabInches = document.getElementById(‘unit-inches’);
const tabFeet = document.getElementById(‘unit-feet’);
const modeLabels = {
chipload: document.querySelector(‘label[for=”mode-chipload”]’),
marks: document.querySelector(‘label[for=”mode-marks”]’)
};
const modeRadios = document.querySelectorAll(‘input[name=”calc-mode”]’);
const rpmInput = document.getElementById(‘input-rpm’);
const knivesInput = document.getElementById(‘input-knives’);
const dynamic1Input = document.getElementById(‘input-dynamic-1’);
const dynamic2Input = document.getElementById(‘input-dynamic-2’);
const labelDynamic1 = document.getElementById(‘label-dynamic-1’);
const labelDynamic2 = document.getElementById(‘label-dynamic-2’);
const rowDynamic2 = document.getElementById(‘row-dynamic-2’);
const resultTitle = document.getElementById(‘result-title’);
const resultValue = document.getElementById(‘result-value’);
const resultUnit = document.getElementById(‘result-unit’);
const formulaText = document.getElementById(‘formula-text’);
const errorBox = document.getElementById(‘error-box’);
// Handle Tab Selection Design Changes
tabInches.addEventListener(‘click’, () => {
if(currentUnit === ‘inches’) return;
currentUnit = ‘inches’;
toggleTabUI();
});
tabFeet.addEventListener(‘click’, () => {
if(currentUnit === ‘feet’) return;
currentUnit = ‘feet’;
toggleTabUI();
});
function toggleTabUI() {
if(currentUnit === ‘inches’) {
tabInches.className = “px-4 py-1.5 text-xs font-bold uppercase tracking-wider rounded-md bg-gradient-to-r from-lime-500 to-lime-600 text-slate-950 transition-all”;
tabFeet.className = “px-4 py-1.5 text-xs font-bold uppercase tracking-wider rounded-md text-slate-400 hover:text-white transition-all”;
modeLabels.chipload.textContent = “Chip Load”;
modeLabels.marks.textContent = “Marks / Inch”;
dynamic1Input.value = (parseFloat(dynamic1Input.value) / 12 || 16).toFixed(1);
dynamic2Input.value = (parseFloat(dynamic2Input.value) * 12 || 200).toFixed(0);
} else {
tabFeet.className = “px-4 py-1.5 text-xs font-bold uppercase tracking-wider rounded-md bg-gradient-to-r from-lime-500 to-lime-600 text-slate-950 transition-all”;
tabInches.className = “px-4 py-1.5 text-xs font-bold uppercase tracking-wider rounded-md text-slate-400 hover:text-white transition-all”;
modeLabels.chipload.textContent = “Chip / Foot”;
modeLabels.marks.textContent = “Marks / Foot”;
dynamic1Input.value = (parseFloat(dynamic1Input.value) * 12 || 192).toFixed(0);
dynamic2Input.value = (parseFloat(dynamic2Input.value) / 12 || 16.6).toFixed(1);
}
updateUIStructure();
}
fontActiveMode = function() {
let active = ‘chipload’;
modeRadios.forEach(radio => {
if(radio.checked) active = radio.value;
});
return active;
}
function updateUIStructure() {
const mode = fontActiveMode();
const isInch = currentUnit === ‘inches’;
if (mode === ‘chipload’) {
resultTitle.textContent = isInch ? “Chip Load Per Tooth” : “Chip Load Per Foot (Total)”;
resultUnit.textContent = isInch ? “Inches” : “Feet”;
labelDynamic1.textContent = isInch ? “Marks Per Inch” : “Marks Per Foot”;
labelDynamic2.textContent = isInch ? “Feed Rate (Inches Per Min)” : “Feed Rate (Feet Per Min)”;
rowDynamic2.style.display = “block”;
formulaText.textContent = isInch ? “• Chip Load = Feed Rate / (RPM × Knives)” : “• Chip Load (Ft) = Feed Rate (FPM) / (RPM × Knives)”;
} else if (mode === ‘feedspeed’) {
resultTitle.textContent = isInch ? “Calculated Feed Speed” : “Calculated Feed Speed (FPM)”;
resultUnit.textContent = isInch ? “Inches / Min” : “Feet / Min”;
labelDynamic1.textContent = isInch ? “Target Chip Load (Per Tooth)” : “Target Chip Load (Feet)”;
rowDynamic2.style.display = “none”;
formulaText.textContent = “• Feed Speed = RPM × Knives × Chip Load”;
} else if (mode === ‘marks’) {
resultTitle.textContent = isInch ? “Knife Marks Per Inch” : “Knife Marks Per Foot”;
resultUnit.textContent = isInch ? “Marks / Inch” : “Marks / Foot”;
labelDynamic1.textContent = isInch ? “Feed Rate (Inches Per Min)” : “Feed Rate (Feet Per Min)”;
rowDynamic2.style.display = “none”;
formulaText.textContent = isInch ? “• Marks Per Inch = (RPM × Knives) / Feed Rate” : “• Marks Per Foot = (RPM × Knives) / Feed Rate (FPM)”;
}
calculate();
}
function calculate() {
errorBox.classList.add(‘hidden’);
const mode = fontActiveMode();
const rpm = parseFloat(rpmInput.value);
const knives = parseFloat(knivesInput.value);
const dyn1 = parseFloat(dynamic1Input.value);
const dyn2 = parseFloat(dynamic2Input.value);
if (isNaN(rpm) || rpm <= 0 || isNaN(knives) || knives <= 0 || isNaN(dyn1) || dyn1 <= 0) {
showError();
return;
}
let finalValue = 0;
switch(mode) {
case 'chipload':
if (isNaN(dyn2) || dyn2 <= 0) {
showError();
return;
}
finalValue = dyn2 / (rpm * knives);
break;
case 'feedspeed':
finalValue = rpm * knives * dyn1;
break;
case 'marks':
finalValue = (rpm * knives) / dyn1;
break;
}
if(finalValue {
radio.addEventListener(‘change’, updateUIStructure);
});
[rpmInput, knivesInput, dynamic1Input, dynamic2Input].forEach(input => {
input.addEventListener(‘input’, calculate);
});
updateUIStructure();
});
Hunter Precision Tool 