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This output is the minimum table required. An extra 25-50mm (1"-2") or more on each dimension is nice if
you will be pushing it up against a wall or in a corner.
Length (mm)
Name
X table size (width)
Y table size (length)
<script>
function get_unit_convert() {
// Get the currently chosen units.
var units = $("input[name=units]:checked").val();
// Get the multiplier.
var unit_convert = 1.0;
if (units == "mm") {
// We have mm selected.
unit_convert = 1.0;
} else if (units == "inches") {
// We have inches selected.
unit_convert = 1.0/25.4;
}
else {
alert("internal error: unrecognized units " + units);
}
return unit_convert;
}
function get_offsets() {
const unit_convert = get_unit_convert();
var v4 = {};
v4.xrail_core = 168 * unit_convert;
v4.yrail_minus_work = 255 * unit_convert;
v4.ytable_minus_work = 313 * unit_convert;
v4.xbelt_extra = 180 * unit_convert;
v4.ybelt_extra = 200 * unit_convert;
v4.xtable_extra = 107.5 * unit_convert;
v4.xrail_2mm = 2 * unit_convert;
return v4;
}
function to_mm() {
// Query whether unit type is changing
var isUnitChanging = false;
if ($(".units").first().text() != "mm") {
isUnitChanging = true;
}
// Find all the labels and change them to mm
$(".units").text("mm");
// Set the step attributes (you can also set other attributes here, like min, max, whatever)
$("input[name=xwork]").attr({
"step": 10.0
});
$("input[name=ywork]").attr({
"step": 10.0
});
$("input[name=xzplate]").attr({
"step": 0.1
});
// Get the current units
if (isUnitChanging) {
// Get the current values.
var xwork = parseFloat($("input[name=xwork]").val());
var ywork = parseFloat($("input[name=ywork]").val());
var xzplate = parseFloat($("input[name=xzplate]").val());
// Change the units.
// This Math.round(... * 10.0) / 10.0 is to round to the step.
$("input[name=xwork]").val(Math.round(xwork * 25.4 * 0.1) / 0.1);
$("input[name=ywork]").val(Math.round(ywork * 25.4 * 0.1) / 0.1);
$("input[name=xzplate]").val(Math.round(xzplate * 25.4));
}
// Recalculate the rest of the page.
from_working();
}
function to_inch() {
// Find all the labels and change them to inches
$(".units").text("inches");
// Set the step attributes (you can also set other attributes here, like min, max, whatever)
$("input[name=xwork]").attr({
"step": 0.25
});
$("input[name=ywork]").attr({
"step": 0.25
});
$("input[name=xzplate]").attr({
"step": 0.004
});
// Get the current values.
var xwork = parseFloat($("input[name=xwork]").val());
var ywork = parseFloat($("input[name=ywork]").val());
var xzplate = parseFloat($("input[name=xzplate]").val());
// Change the units.
$("input[name=xwork]").val(clip(xwork / 25.4));
$("input[name=ywork]").val(clip(ywork / 25.4));
$("input[name=xzplate]").val(clip(xzplate / 25.4));
// Recalculate the rest of the page.
from_working();
}
function clip(value) {
return Math.round(value * 8) / 8; // Round to .125
}
function convertToMetric(num) {
var units = $("input[name=units]:checked").val();
return (units == "mm") ? num : Math.floor(num * 25.4);
}
function reset_work() {
const unit_convert = get_unit_convert();
$("input[name=xwork]").val(clip(1220 * unit_convert));
$("input[name=ywork]").val(clip(2440 * unit_convert));
$("input[name=xzplate]").val(clip(6.35 * unit_convert));
from_working();
}
function from_working() {
var offsets = get_offsets();
var xwork = parseFloat($("input[name=xwork]").val());
var ywork = parseFloat($("input[name=ywork]").val());
var xzplate = parseFloat($("input[name=xzplate]").val());
var xrails = xwork + offsets.xrail_core - offsets.xrail_2mm;
var yrail = ywork + offsets.yrail_minus_work;
var xstrut = xwork + offsets.xrail_core;
var xbelts = xwork + offsets.xrail_core + offsets.xbelt_extra;
var ybelts = yrail + offsets.ybelt_extra;
var belt_total = 1*xbelts + 2*ybelts;
var xtable = xwork + offsets.xrail_core + 2*xzplate + offsets.xtable_extra;
var ytable = ywork + offsets.ytable_minus_work;
$("span[name=xrails]").text(clip(xrails));
$("span[name=yrail]").text(clip(yrail));
$("span[name=xbelts]").text(clip(xbelts));
$("span[name=ybelts]").text(clip(ybelts));
$("span[name=belt_total]").text(clip(belt_total));
$("span[name=xzplate]").text(clip(xzplate));
$("span[name=xtable]").text(clip(xtable));
$("span[name=ytable]").text(clip(ytable));
$("span[name=strut]").text(clip(xstrut));
}
// Set these up the first time.
$(window).on('load', function(){
// Get back to mm
$("input[value=mm]").prop('checked', true);
$("input[value=inches]").prop('checked', false);
to_mm();
reset_work();
});
</script>
