Can't get zero to be up on Z axis
- yoshimitsuspeed
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27 Nov 2014 16:19 #53475
by yoshimitsuspeed
Can't get zero to be up on Z axis was created by yoshimitsuspeed
I have tried every combination I can think of in stepconf but cannot get zero to be all the way up and instead is all the way down.
For some reason this wasn't an issue with cambam and some of the other CAM I have used but it is a problem in fusion360 because it tells the z axis to go to zero at the beginning and end of the Gcode.
I have been editing the g code every time I save a file and just telling it to go to 150mm instead of zero. 1. it's a bit of a pain in the A. 2. I know I am going to forget some day and crash my machine.
It makes sense that zero and home should be all the way up anyway but I just can't get it to do it.
I reversed the Z direction in stepconf but then it runs the opposite direction that it thinks it is. So then I reversed the lead screw pitch and once again zero is at the bottom.
What do I do to flip this?
For some reason this wasn't an issue with cambam and some of the other CAM I have used but it is a problem in fusion360 because it tells the z axis to go to zero at the beginning and end of the Gcode.
I have been editing the g code every time I save a file and just telling it to go to 150mm instead of zero. 1. it's a bit of a pain in the A. 2. I know I am going to forget some day and crash my machine.
It makes sense that zero and home should be all the way up anyway but I just can't get it to do it.
I reversed the Z direction in stepconf but then it runs the opposite direction that it thinks it is. So then I reversed the lead screw pitch and once again zero is at the bottom.
What do I do to flip this?
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27 Nov 2014 17:54 #53476
by cmorley
Replied by cmorley on topic Can't get zero to be up on Z axis
Seems to me you have a couple things going on here.
You want zero at the top of travel with stepconf and we can help you do that but that is only for setting the MACHINE origin.
Machine origin is a reference point for such things as soft limits and as a base reference for all the user coordinate systems.
When machining a part you should be setting the USER COORDINATE origin (generally G54) by 'touch off'.
That will allow you to put zero anywhere inside the limits.
In stepconf for Z axis a setting of 'table travel -4 to 0' and a 'home switch location' setting of 0 should give you machine origin / home switch at the top.
obviously if your travel is more or less then -4 then adjust...
Please post your INI file if that doesn't help.
Chris M
You want zero at the top of travel with stepconf and we can help you do that but that is only for setting the MACHINE origin.
Machine origin is a reference point for such things as soft limits and as a base reference for all the user coordinate systems.
When machining a part you should be setting the USER COORDINATE origin (generally G54) by 'touch off'.
That will allow you to put zero anywhere inside the limits.
In stepconf for Z axis a setting of 'table travel -4 to 0' and a 'home switch location' setting of 0 should give you machine origin / home switch at the top.
obviously if your travel is more or less then -4 then adjust...
Please post your INI file if that doesn't help.
Chris M
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27 Nov 2014 18:08 #53478
by cmorley
Replied by cmorley on topic Can't get zero to be up on Z axis
I might add that as the tool and table get closer together the readout should get more negative.
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27 Nov 2014 21:26 #53483
by andypugh
If that isn't configurable then Fusion is broken....
Have you configured a safe-height and retract-height?
Replied by andypugh on topic Can't get zero to be up on Z axis
it is a problem in fusion360 because it tells the z axis to go to zero at the beginning and end of the Gcode.
If that isn't configurable then Fusion is broken....
Have you configured a safe-height and retract-height?
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- yoshimitsuspeed
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28 Nov 2014 02:50 #53495
by yoshimitsuspeed
I tried this when setting up the machine originally with the CAM I was trying at that time.
If I remember right that didn't work because linuxcnc said the program exceeded the machines range of travel.
But you are saying it should be okay if the machine starts at zero at the top then goes negative as it goes lower. If that's the case maybe I can play with that again and find settings that will work.
Replied by yoshimitsuspeed on topic Can't get zero to be up on Z axis
I might add that as the tool and table get closer together the readout should get more negative.
I tried this when setting up the machine originally with the CAM I was trying at that time.
If I remember right that didn't work because linuxcnc said the program exceeded the machines range of travel.
But you are saying it should be okay if the machine starts at zero at the top then goes negative as it goes lower. If that's the case maybe I can play with that again and find settings that will work.
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28 Nov 2014 02:57 #53496
by yoshimitsuspeed
That was my original thought and I think you guys said something similar when I mentioned this a while back in one of my other threads however when I posted on the Autodesk forums they made it sound like my machine should absolutely zero and home at the top.
Now I could set my home location at 150mm or whatever fully retracted is but is there any advantage to having it zero at the top? Would this be more technically correct? Is it standard practice to have zero all the way up then go negative as it goes down?
I would like to set up this machine as close to any general practice standards as possible.
I will bring this up on the Autodesk forums as well as it does seem like there should be more config control over settings like this.
Replied by yoshimitsuspeed on topic Can't get zero to be up on Z axis
it is a problem in fusion360 because it tells the z axis to go to zero at the beginning and end of the Gcode.
If that isn't configurable then Fusion is broken....
Have you configured a safe-height and retract-height?
That was my original thought and I think you guys said something similar when I mentioned this a while back in one of my other threads however when I posted on the Autodesk forums they made it sound like my machine should absolutely zero and home at the top.
Now I could set my home location at 150mm or whatever fully retracted is but is there any advantage to having it zero at the top? Would this be more technically correct? Is it standard practice to have zero all the way up then go negative as it goes down?
I would like to set up this machine as close to any general practice standards as possible.
I will bring this up on the Autodesk forums as well as it does seem like there should be more config control over settings like this.
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- yoshimitsuspeed
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28 Nov 2014 03:42 #53499
by yoshimitsuspeed
Let me clarify a little more using the code F360 spits out.I deleted a bunch of code from the middle because it was not relevant.
So I set up the machine origins by manually homing it. Hope to have auto home at some point but not yet.
Then I set my user origins by touching off.
The code above is as F360 spits it out.
At the beginning andat the end drive the Z axis all the way down to machine origin zero.
So I go in and change the code toAndand then the machine retracts up and runs fine.
Replied by yoshimitsuspeed on topic Can't get zero to be up on Z axis
Seems to me you have a couple things going on here.
You want zero at the top of travel with stepconf and we can help you do that but that is only for setting the MACHINE origin.
Machine origin is a reference point for such things as soft limits and as a base reference for all the user coordinate systems.
When machining a part you should be setting the USER COORDINATE origin (generally G54) by 'touch off'.
That will allow you to put zero anywhere inside the limits.
Let me clarify a little more using the code F360 spits out.
%
(1)
(T14 D=10. CR=0. - ZMIN=-32.2 - FLAT END MILL)
N10 G90 G94 G17 G91.1
N15 G21
N20 G53 G0 Z0.
(BORE1)
N25 M9
N30 T14 M6
N35 S5000 M3
N40 G54
N45 M8
N55 G0 X0.113 Y19.071
N60 G43 Z15. H14
N555 X4.057 Y8.151 Z-31.2
N560 G0 Z15.
N570 M9
N575 G53 Z0.
N580 M30
%
So I set up the machine origins by manually homing it. Hope to have auto home at some point but not yet.
Then I set my user origins by touching off.
The code above is as F360 spits it out.
N20 G53 G0 Z0.
N575 G53 Z0.
So I go in and change the code to
N20 G53 G0 Z150.
N575 G53 Z150.
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28 Nov 2014 03:47 #53500
by yoshimitsuspeed
Replied by yoshimitsuspeed on topic Can't get zero to be up on Z axis
Here is the post process config file if it helps. Maybe I can just change this in here and be good to go?
/**
Copyright (C) 2012-2013 by Autodesk, Inc.
All rights reserved.
Enhanced Machine Controller (EMC) post processor configuration.
$Revision: 37972 $
$Date: 2014-10-18 23:40:07 +0200 (lø, 18 okt 2014) $
FORKID {52A5C3D6-1533-413e-B493-7B93D9E48B30}
*/
description = "Generic Enhanced Machine Controller (EMC)";
vendor = "Autodesk, Inc.";
vendorUrl = "http://www.autodesk.com";
legal = "Copyright (C) 2012-2013 by Autodesk, Inc.";
certificationLevel = 2;
minimumRevision = 24000;
extension = "ngc";
setCodePage("ascii");
tolerance = spatial(0.002, MM);
minimumChordLength = spatial(0.01, MM);
minimumCircularRadius = spatial(0.01, MM);
maximumCircularRadius = spatial(1000, MM);
minimumCircularSweep = toRad(0.01);
maximumCircularSweep = toRad(180);
allowHelicalMoves = true;
allowedCircularPlanes = undefined; // allow any circular motion
// user-defined properties
properties = {
writeMachine: true, // write machine
writeTools: true, // writes the tools
preloadTool: true, // preloads next tool on tool change if any
showSequenceNumbers: true, // show sequence numbers
sequenceNumberStart: 10, // first sequence number
sequenceNumberIncrement: 5, // increment for sequence numbers
optionalStop: true, // optional stop
separateWordsWithSpace: true, // specifies that the words should be separated with a white space
useRadius: false, // specifies that arcs should be output using the radius (R word) instead of the I, J, and K words.
useParametricFeed: false, // specifies that feed should be output using Q values
showNotes: false // specifies that operation notes should be output.
};
var useG28 = false;
var permittedCommentChars = " ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,=_-";
var mapCoolantTable = new Table(
[9, 8, 7],
{initial:COOLANT_OFF, force:true},
"Invalid coolant mode"
);
var gFormat = createFormat({prefix:"G", decimals:1});
var mFormat = createFormat({prefix:"M", decimals:1});
var hFormat = createFormat({prefix:"H", decimals:1});
var dFormat = createFormat({prefix:"D", decimals:1});
var xyzFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var rFormat = xyzFormat; // radius
var abcFormat = createFormat({decimals:3, forceDecimal:true, scale:DEG});
var feedFormat = createFormat({decimals:(unit == MM ? 2 : 3), forceDecimal:true});
var pitchFormat = createFormat({decimals:(unit == MM ? 3 : 4), forceDecimal:true});
var toolFormat = createFormat({decimals:0});
var rpmFormat = createFormat({decimals:0});
var secFormat = createFormat({decimals:3, forceDecimal:true}); // seconds - range 0.001-99999.999
var taperFormat = createFormat({decimals:1, scale:DEG});
var xOutput = createVariable({prefix:"X"}, xyzFormat);
var yOutput = createVariable({prefix:"Y"}, xyzFormat);
var zOutput = createVariable({prefix:"Z"}, xyzFormat);
var aOutput = createVariable({prefix:"A"}, abcFormat);
var bOutput = createVariable({prefix:"B"}, abcFormat);
var cOutput = createVariable({prefix:"C"}, abcFormat);
var feedOutput = createVariable({prefix:"F"}, feedFormat);
var sOutput = createVariable({prefix:"S", force:true}, rpmFormat);
var dOutput = createVariable({}, dFormat);
// circular output
var iOutput = createReferenceVariable({prefix:"I", force:true}, xyzFormat);
var jOutput = createReferenceVariable({prefix:"J", force:true}, xyzFormat);
var kOutput = createReferenceVariable({prefix:"K", force:true}, xyzFormat);
var gMotionModal = createModal({}, gFormat); // modal group 1 // G0-G3, ...
var gPlaneModal = createModal({onchange:function () {gMotionModal.reset();}}, gFormat); // modal group 2 // G17-19
var gAbsIncModal = createModal({}, gFormat); // modal group 3 // G90-91
var gFeedModeModal = createModal({}, gFormat); // modal group 5 // G93-94
var gUnitModal = createModal({}, gFormat); // modal group 6 // G20-21
var gCycleModal = createModal({}, gFormat); // modal group 9 // G81, ...
var gRetractModal = createModal({}, gFormat); // modal group 10 // G98-99
// fixed settings
var firstFeedParameter = 100;
var WARNING_WORK_OFFSET = 0;
// collected state
var sequenceNumber;
var currentWorkOffset;
var forceSpindleSpeed = false;
var activeMovements; // do not use by default
var currentFeedId;
/**
Writes the specified block.
*/
function writeBlock() {
if (properties.showSequenceNumbers) {
writeWords2("N" + sequenceNumber, arguments);
sequenceNumber += properties.sequenceNumberIncrement;
if (sequenceNumber > 99999) {
sequenceNumber = properties.sequenceNumberStart;
}
} else {
writeWords(arguments);
}
}
/**
Writes the specified optional block.
*/
function writeOptionalBlock() {
if (properties.showSequenceNumbers) {
var words = formatWords(arguments);
if (words) {
writeWords("/", "N" + sequenceNumber, words);
sequenceNumber += properties.sequenceNumberIncrement;
if (sequenceNumber > 99999) {
sequenceNumber = properties.sequenceNumberStart;
}
}
} else {
writeWords2("/", arguments);
}
}
function formatComment(text) {
return "(" + filterText(String(text).toUpperCase(), permittedCommentChars) + ")";
}
/**
Output a comment.
*/
function writeComment(text) {
writeln(formatComment(text));
}
function onOpen() {
if (false) { // note: setup your machine here
var aAxis = createAxis({coordinate:0, table:false, axis:[1, 0, 0], range:[-360,360], preference:1});
var cAxis = createAxis({coordinate:2, table:false, axis:[0, 0, 1], range:[-360,360], preference:1});
machineConfiguration = new MachineConfiguration(aAxis, cAxis);
setMachineConfiguration(machineConfiguration);
optimizeMachineAngles2(0); // TCP mode
}
if (!machineConfiguration.isMachineCoordinate(0)) {
aOutput.disable();
}
if (!machineConfiguration.isMachineCoordinate(1)) {
bOutput.disable();
}
if (!machineConfiguration.isMachineCoordinate(2)) {
cOutput.disable();
}
if (!properties.separateWordsWithSpace) {
setWordSeparator("");
}
sequenceNumber = properties.sequenceNumberStart;
writeln("%");
if (programName) {
writeComment(programName);
}
if (programComment) {
writeComment(programComment);
}
// dump machine configuration
var vendor = machineConfiguration.getVendor();
var model = machineConfiguration.getModel();
var description = machineConfiguration.getDescription();
if (properties.writeMachine && (vendor || model || description)) {
writeComment(localize("Machine"));
if (vendor) {
writeComment(" " + localize("vendor") + ": " + vendor);
}
if (model) {
writeComment(" " + localize("model") + ": " + model);
}
if (description) {
writeComment(" " + localize("description") + ": " + description);
}
}
// dump tool information
if (properties.writeTools) {
var zRanges = {};
if (is3D()) {
var numberOfSections = getNumberOfSections();
for (var i = 0; i < numberOfSections; ++i) {
var section = getSection(i);
var zRange = section.getGlobalZRange();
var tool = section.getTool();
if (zRanges[tool.number]) {
zRanges[tool.number].expandToRange(zRange);
} else {
zRanges[tool.number] = zRange;
}
}
}
var tools = getToolTable();
if (tools.getNumberOfTools() > 0) {
for (var i = 0; i < tools.getNumberOfTools(); ++i) {
var tool = tools.getTool(i);
var comment = "T" + toolFormat.format(tool.number) + " " +
"D=" + xyzFormat.format(tool.diameter) + " " +
localize("CR") + "=" + xyzFormat.format(tool.cornerRadius);
if ((tool.taperAngle > 0) && (tool.taperAngle < Math.PI)) {
comment += " " + localize("TAPER") + "=" + taperFormat.format(tool.taperAngle) + localize("deg");
}
if (zRanges[tool.number]) {
comment += " - " + localize("ZMIN") + "=" + xyzFormat.format(zRanges[tool.number].getMinimum());
}
comment += " - " + getToolTypeName(tool.type);
writeComment(comment);
}
}
}
if (false) {
// check for duplicate tool number
for (var i = 0; i < getNumberOfSections(); ++i) {
var sectioni = getSection(i);
var tooli = sectioni.getTool();
for (var j = i + 1; j < getNumberOfSections(); ++j) {
var sectionj = getSection(j);
var toolj = sectionj.getTool();
if (tooli.number == toolj.number) {
if (xyzFormat.areDifferent(tooli.diameter, toolj.diameter) ||
xyzFormat.areDifferent(tooli.cornerRadius, toolj.cornerRadius) ||
abcFormat.areDifferent(tooli.taperAngle, toolj.taperAngle) ||
(tooli.numberOfFlutes != toolj.numberOfFlutes)) {
error(
subst(
localize("Using the same tool number for different cutter geometry for operation '%1' and '%2'."),
sectioni.hasParameter("operation-comment") ? sectioni.getParameter("operation-comment") : ("#" + (i + 1)),
sectionj.hasParameter("operation-comment") ? sectionj.getParameter("operation-comment") : ("#" + (j + 1))
)
);
return;
}
}
}
}
}
// absolute coordinates, feed per min, and incremental arc center mode
writeBlock(gAbsIncModal.format(90), gFeedModeModal.format(94), gPlaneModal.format(17), gFormat.format(91.1));
switch (unit) {
case IN:
writeBlock(gUnitModal.format(20));
break;
case MM:
writeBlock(gUnitModal.format(21));
break;
}
}
function onComment(message) {
writeComment(message);
}
/** Force output of X, Y, and Z. */
function forceXYZ() {
xOutput.reset();
yOutput.reset();
zOutput.reset();
}
/** Force output of A, B, and C. */
function forceABC() {
aOutput.reset();
bOutput.reset();
cOutput.reset();
}
function forceFeed() {
currentFeedId = undefined;
feedOutput.reset();
}
/** Force output of X, Y, Z, A, B, C, and F on next output. */
function forceAny() {
forceXYZ();
forceABC();
forceFeed();
}
function FeedContext(id, description, feed) {
this.id = id;
this.description = description;
this.feed = feed;
}
function getFeed(f) {
if (activeMovements) {
var feedContext = activeMovements[movement];
if (feedContext != undefined) {
if (!feedFormat.areDifferent(feedContext.feed, f)) {
if (feedContext.id == currentFeedId) {
return ""; // nothing has changed
}
forceFeed();
currentFeedId = feedContext.id;
return "F#" + (firstFeedParameter + feedContext.id);
}
}
currentFeedId = undefined; // force Q feed next time
}
return feedOutput.format(f); // use feed value
}
function initializeActiveFeeds() {
activeMovements = new Array();
var movements = currentSection.getMovements();
var id = 0;
var activeFeeds = new Array();
if (hasParameter("operation:tool_feedCutting")) {
if (movements & ((1 << MOVEMENT_CUTTING) | (1 << MOVEMENT_LINK_TRANSITION) | (1 << MOVEMENT_EXTENDED))) {
var feedContext = new FeedContext(id, localize("Cutting"), getParameter("operation:tool_feedCutting"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_CUTTING] = feedContext;
activeMovements[MOVEMENT_LINK_TRANSITION] = feedContext;
activeMovements[MOVEMENT_EXTENDED] = feedContext;
}
++id;
if (movements & (1 << MOVEMENT_PREDRILL)) {
feedContext = new FeedContext(id, localize("Predrilling"), getParameter("operation:tool_feedCutting"));
activeMovements[MOVEMENT_PREDRILL] = feedContext;
activeFeeds.push(feedContext);
}
++id;
}
if (hasParameter("operation:finishFeedrate")) {
if (movements & (1 << MOVEMENT_FINISH_CUTTING)) {
var feedContext = new FeedContext(id, localize("Finish"), getParameter("operation:finishFeedrate"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_FINISH_CUTTING] = feedContext;
}
++id;
} else if (hasParameter("operation:tool_feedCutting")) {
if (movements & (1 << MOVEMENT_FINISH_CUTTING)) {
var feedContext = new FeedContext(id, localize("Finish"), getParameter("operation:tool_feedCutting"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_FINISH_CUTTING] = feedContext;
}
++id;
}
if (hasParameter("operation:tool_feedEntry")) {
if (movements & (1 << MOVEMENT_LEAD_IN)) {
var feedContext = new FeedContext(id, localize("Entry"), getParameter("operation:tool_feedEntry"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_LEAD_IN] = feedContext;
}
++id;
}
if (hasParameter("operation:tool_feedExit")) {
if (movements & (1 << MOVEMENT_LEAD_OUT)) {
var feedContext = new FeedContext(id, localize("Exit"), getParameter("operation:tool_feedExit"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_LEAD_OUT] = feedContext;
}
++id;
}
if (hasParameter("operation:noEngagementFeedrate")) {
if (movements & (1 << MOVEMENT_LINK_DIRECT)) {
var feedContext = new FeedContext(id, localize("Direct"), getParameter("operation:noEngagementFeedrate"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_LINK_DIRECT] = feedContext;
}
++id;
} else if (hasParameter("operation:tool_feedCutting") &&
hasParameter("operation:tool_feedEntry") &&
hasParameter("operation:tool_feedExit")) {
if (movements & (1 << MOVEMENT_LINK_DIRECT)) {
var feedContext = new FeedContext(id, localize("Direct"), Math.max(getParameter("operation:tool_feedCutting"), getParameter("operation:tool_feedEntry"), getParameter("operation:tool_feedExit")));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_LINK_DIRECT] = feedContext;
}
++id;
}
if (hasParameter("operation:reducedFeedrate")) {
if (movements & (1 << MOVEMENT_REDUCED)) {
var feedContext = new FeedContext(id, localize("Reduced"), getParameter("operation:reducedFeedrate"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_REDUCED] = feedContext;
}
++id;
}
if (hasParameter("operation:tool_feedRamp")) {
if (movements & ((1 << MOVEMENT_RAMP) | (1 << MOVEMENT_RAMP_HELIX) | (1 << MOVEMENT_RAMP_PROFILE) | (1 << MOVEMENT_RAMP_ZIG_ZAG))) {
var feedContext = new FeedContext(id, localize("Ramping"), getParameter("operation:tool_feedRamp"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_RAMP] = feedContext;
activeMovements[MOVEMENT_RAMP_HELIX] = feedContext;
activeMovements[MOVEMENT_RAMP_PROFILE] = feedContext;
activeMovements[MOVEMENT_RAMP_ZIG_ZAG] = feedContext;
}
++id;
}
if (hasParameter("operation:tool_feedPlunge")) {
if (movements & (1 << MOVEMENT_PLUNGE)) {
var feedContext = new FeedContext(id, localize("Plunge"), getParameter("operation:tool_feedPlunge"));
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_PLUNGE] = feedContext;
}
++id;
}
if (true) { // high feed
if (movements & (1 << MOVEMENT_HIGH_FEED)) {
var feedContext = new FeedContext(id, localize("High Feed"), this.highFeedrate);
activeFeeds.push(feedContext);
activeMovements[MOVEMENT_HIGH_FEED] = feedContext;
}
++id;
}
for (var i = 0; i < activeFeeds.length; ++i) {
var feedContext = activeFeeds[i];
writeBlock("#" + (firstFeedParameter + feedContext.id) + "=" + feedFormat.format(feedContext.feed), formatComment(feedContext.description));
}
}
var currentWorkPlaneABC = undefined;
function forceWorkPlane() {
currentWorkPlaneABC = undefined;
}
function setWorkPlane(abc) {
if (!machineConfiguration.isMultiAxisConfiguration()) {
return; // ignore
}
if (!((currentWorkPlaneABC == undefined) ||
abcFormat.areDifferent(abc.x, currentWorkPlaneABC.x) ||
abcFormat.areDifferent(abc.y, currentWorkPlaneABC.y) ||
abcFormat.areDifferent(abc.z, currentWorkPlaneABC.z))) {
return; // no change
}
onCommand(COMMAND_UNLOCK_MULTI_AXIS);
// NOTE: add retract here
writeBlock(
gMotionModal.format(0),
conditional(machineConfiguration.isMachineCoordinate(0), "A" + abcFormat.format(abc.x)),
conditional(machineConfiguration.isMachineCoordinate(1), "B" + abcFormat.format(abc.y)),
conditional(machineConfiguration.isMachineCoordinate(2), "C" + abcFormat.format(abc.z))
);
onCommand(COMMAND_LOCK_MULTI_AXIS);
currentWorkPlaneABC = abc;
}
var closestABC = false; // choose closest machine angles
var currentMachineABC;
function getWorkPlaneMachineABC(workPlane) {
var W = workPlane; // map to global frame
var abc = machineConfiguration.getABC(W);
if (closestABC) {
if (currentMachineABC) {
abc = machineConfiguration.remapToABC(abc, currentMachineABC);
} else {
abc = machineConfiguration.getPreferredABC(abc);
}
} else {
abc = machineConfiguration.getPreferredABC(abc);
}
try {
abc = machineConfiguration.remapABC(abc);
currentMachineABC = abc;
} catch (e) {
error(
localize("Machine angles not supported") + ":"
+ conditional(machineConfiguration.isMachineCoordinate(0), " A" + abcFormat.format(abc.x))
+ conditional(machineConfiguration.isMachineCoordinate(1), " B" + abcFormat.format(abc.y))
+ conditional(machineConfiguration.isMachineCoordinate(2), " C" + abcFormat.format(abc.z))
);
}
var direction = machineConfiguration.getDirection(abc);
if (!isSameDirection(direction, W.forward)) {
error(localize("Orientation not supported."));
}
if (!machineConfiguration.isABCSupported(abc)) {
error(
localize("Work plane is not supported") + ":"
+ conditional(machineConfiguration.isMachineCoordinate(0), " A" + abcFormat.format(abc.x))
+ conditional(machineConfiguration.isMachineCoordinate(1), " B" + abcFormat.format(abc.y))
+ conditional(machineConfiguration.isMachineCoordinate(2), " C" + abcFormat.format(abc.z))
);
}
var tcp = true;
if (tcp) {
setRotation(W); // TCP mode
} else {
var O = machineConfiguration.getOrientation(abc);
var R = machineConfiguration.getRemainingOrientation(abc, W);
setRotation(R);
}
return abc;
}
function onSection() {
var insertToolCall = isFirstSection() ||
currentSection.getForceToolChange && currentSection.getForceToolChange() ||
(tool.number != getPreviousSection().getTool().number);
var retracted = false; // specifies that the tool has been retracted to the safe plane
var newWorkOffset = isFirstSection() ||
(getPreviousSection().workOffset != currentSection.workOffset); // work offset changes
var newWorkPlane = isFirstSection() ||
!isSameDirection(getPreviousSection().getGlobalFinalToolAxis(), currentSection.getGlobalInitialToolAxis());
if (insertToolCall || newWorkOffset || newWorkPlane) {
// stop spindle before retract during tool change
if (insertToolCall && !isFirstSection()) {
onCommand(COMMAND_STOP_SPINDLE);
}
// retract to safe plane
retracted = true;
if (useG28) {
writeBlock(gFormat.format(28), gAbsIncModal.format(91), "Z" + xyzFormat.format(0)); // retract
writeBlock(gAbsIncModal.format(90));
} else {
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), "Z" + xyzFormat.format(0)); // retract
}
zOutput.reset();
}
if (hasParameter("operation-comment")) {
var comment = getParameter("operation-comment");
if (comment) {
writeComment(comment);
}
}
if (properties.showNotes && hasParameter("notes")) {
var notes = getParameter("notes");
if (notes) {
var lines = String(notes).split("\n");
var r1 = new RegExp("^[\\s]+", "g");
var r2 = new RegExp("[\\s]+$", "g");
for (line in lines) {
var comment = lines[line].replace(r1, "").replace(r2, "");
if (comment) {
writeComment(comment);
}
}
}
}
if (insertToolCall) {
forceWorkPlane();
retracted = true;
onCommand(COMMAND_COOLANT_OFF);
if (!isFirstSection() && properties.optionalStop) {
onCommand(COMMAND_OPTIONAL_STOP);
}
if (tool.number > 99) {
warning(localize("Tool number exceeds maximum value."));
}
writeBlock("T" + toolFormat.format(tool.number), mFormat.format(6));
if (tool.comment) {
writeComment(tool.comment);
}
var showToolZMin = false;
if (showToolZMin) {
if (is3D()) {
var numberOfSections = getNumberOfSections();
var zRange = currentSection.getGlobalZRange();
var number = tool.number;
for (var i = currentSection.getId() + 1; i < numberOfSections; ++i) {
var section = getSection(i);
if (section.getTool().number != number) {
break;
}
zRange.expandToRange(section.getGlobalZRange());
}
writeComment(localize("ZMIN") + "=" + zRange.getMinimum());
}
}
if (properties.preloadTool) {
var nextTool = getNextTool(tool.number);
if (nextTool) {
writeBlock("T" + toolFormat.format(nextTool.number));
} else {
// preload first tool
var section = getSection(0);
var firstToolNumber = section.getTool().number;
if (tool.number != firstToolNumber) {
writeBlock("T" + toolFormat.format(firstToolNumber));
}
}
}
}
if (insertToolCall ||
forceSpindleSpeed ||
isFirstSection() ||
(rpmFormat.areDifferent(tool.spindleRPM, sOutput.getCurrent())) ||
(tool.clockwise != getPreviousSection().getTool().clockwise)) {
forceSpindleSpeed = false;
if (tool.spindleRPM < 1) {
error(localize("Spindle speed out of range."));
return;
}
if (tool.spindleRPM > 99999) {
warning(localize("Spindle speed exceeds maximum value."));
}
writeBlock(
sOutput.format(tool.spindleRPM), mFormat.format(tool.clockwise ? 3 : 4)
);
}
// wcs
var workOffset = currentSection.workOffset;
if (workOffset == 0) {
warningOnce(localize("Work offset has not been specified. Using G54 as WCS."), WARNING_WORK_OFFSET);
workOffset = 1;
}
if (workOffset > 0) {
if (workOffset > 6) {
var p = workOffset - 6; // 1->...
if (p > 3) {
error(localize("Work offset out of range."));
return;
} else {
if (workOffset != currentWorkOffset) {
writeBlock(gFormat.format(59.1), "P" + p); // G59.1P
currentWorkOffset = workOffset;
}
}
} else {
if (workOffset != currentWorkOffset) {
writeBlock(gFormat.format(53 + workOffset)); // G54->G59
currentWorkOffset = workOffset;
}
}
}
forceXYZ();
if (machineConfiguration.isMultiAxisConfiguration()) { // use 5-axis indexing for multi-axis mode
// set working plane after datum shift
var abc = new Vector(0, 0, 0);
if (currentSection.isMultiAxis()) {
forceWorkPlane();
cancelTransformation();
} else {
abc = getWorkPlaneMachineABC(currentSection.workPlane);
}
setWorkPlane(abc);
} else { // pure 3D
var remaining = currentSection.workPlane;
if (!isSameDirection(remaining.forward, new Vector(0, 0, 1))) {
error(localize("Tool orientation is not supported."));
return;
}
setRotation(remaining);
}
// set coolant after we have positioned at Z
{
var c = mapCoolantTable.lookup(tool.coolant);
if (c) {
writeBlock(mFormat.format(c));
} else {
warning(localize("Coolant not supported."));
}
}
forceAny();
gMotionModal.reset();
var initialPosition = getFramePosition(currentSection.getInitialPosition());
if (!retracted) {
if (getCurrentPosition().z < initialPosition.z) {
writeBlock(gMotionModal.format(0), zOutput.format(initialPosition.z));
}
}
if (insertToolCall || retracted || (!isFirstSection() && getPreviousSection().isMultiAxis())) {
var lengthOffset = tool.lengthOffset;
if (lengthOffset > 99) {
error(localize("Length offset out of range."));
return;
}
gMotionModal.reset();
writeBlock(gPlaneModal.format(17));
if (!machineConfiguration.isHeadConfiguration()) {
writeBlock(
gAbsIncModal.format(90),
gMotionModal.format(0), xOutput.format(initialPosition.x), yOutput.format(initialPosition.y)
);
writeBlock(gMotionModal.format(0), gFormat.format(43), zOutput.format(initialPosition.z), hFormat.format(lengthOffset));
} else {
writeBlock(
gAbsIncModal.format(90),
gMotionModal.format(0),
gFormat.format(43), xOutput.format(initialPosition.x),
yOutput.format(initialPosition.y),
zOutput.format(initialPosition.z), hFormat.format(lengthOffset)
);
}
gMotionModal.reset();
} else {
writeBlock(
gAbsIncModal.format(90),
gMotionModal.format(0),
xOutput.format(initialPosition.x),
yOutput.format(initialPosition.y)
);
}
if (properties.useParametricFeed &&
hasParameter("operation-strategy") &&
(getParameter("operation-strategy") != "drill")) {
if (!insertToolCall &&
activeMovements &&
(getCurrentSectionId() > 0) &&
(getPreviousSection().getPatternId() == currentSection.getPatternId())) {
// use the current feeds
} else {
initializeActiveFeeds();
}
} else {
activeMovements = undefined;
}
}
function onDwell(seconds) {
if (seconds > 99999.999) {
warning(localize("Dwelling time is out of range."));
}
writeBlock(gFeedModeModal.format(94), gFormat.format(4), "P" + secFormat.format(seconds));
}
function onSpindleSpeed(spindleSpeed) {
writeBlock(sOutput.format(spindleSpeed));
}
function onCycle() {
writeBlock(gPlaneModal.format(17));
}
function getCommonCycle(x, y, z, r) {
forceXYZ(); // force xyz on first drill hole of any cycle
return [xOutput.format(x), yOutput.format(y),
zOutput.format(z),
"R" + xyzFormat.format(r)];
}
function onCyclePoint(x, y, z) {
switch (cycleType) {
case "tapping":
case "left-tapping":
case "right-tapping":
cycleExpanded = true;
repositionToCycleClearance(cycle, x, y, z);
writeBlock(
gAbsIncModal.format(90), gMotionModal.format(0),
conditional(gPlaneModal.getCurrent() == 17, zOutput.format(cycle.retract)),
conditional(gPlaneModal.getCurrent() == 18, yOutput.format(cycle.retract)),
conditional(gPlaneModal.getCurrent() == 19, xOutput.format(cycle.retract))
);
writeBlock(
gAbsIncModal.format(90), gFormat.format(33.1),
conditional(gPlaneModal.getCurrent() == 17, zOutput.format(z)),
conditional(gPlaneModal.getCurrent() == 18, yOutput.format(y)),
conditional(gPlaneModal.getCurrent() == 19, xOutput.format(x)),
"K" + pitchFormat.format(tool.threadPitch)
);
gMotionModal.reset();
writeBlock(
gAbsIncModal.format(90), gMotionModal.format(0),
conditional(gPlaneModal.getCurrent() == 17, zOutput.format(cycle.clearance)),
conditional(gPlaneModal.getCurrent() == 18, yOutput.format(cycle.clearance)),
conditional(gPlaneModal.getCurrent() == 19, xOutput.format(cycle.clearance))
);
return;
/*
case "tapping-with-chip-breaking":
case "left-tapping-with-chip-breaking":
case "right-tapping-with-chip-breaking":
*/
}
if (isFirstCyclePoint()) {
repositionToCycleClearance(cycle, x, y, z);
// return to initial Z which is clearance plane and set absolute mode
var F = cycle.feedrate;
var P = (cycle.dwell == 0) ? 0 : clamp(0.001, cycle.dwell, 99999999); // in seconds
switch (cycleType) {
case "drilling":
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(81),
getCommonCycle(x, y, z, cycle.retract),
feedOutput.format(F)
);
break;
case "counter-boring":
if (P > 0) {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(82),
getCommonCycle(x, y, z, cycle.retract),
"P" + secFormat.format(P),
feedOutput.format(F)
);
} else {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(81),
getCommonCycle(x, y, z, cycle.retract),
feedOutput.format(F)
);
}
break;
case "chip-breaking":
expandCyclePoint(x, y, z);
break;
case "deep-drilling":
if (P > 0) {
expandCyclePoint(x, y, z);
} else {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(83),
getCommonCycle(x, y, z, cycle.retract),
"Q" + xyzFormat.format(cycle.incrementalDepth),
// conditional(P > 0, "P" + secFormat.format(P)),
feedOutput.format(F)
);
}
break;
case "fine-boring":
expandCyclePoint(x, y, z);
break;
/* // not supported
case "back-boring":
var dx = (gPlaneModal.getCurrent() == 19) ? cycle.backBoreDistance : 0;
var dy = (gPlaneModal.getCurrent() == 18) ? cycle.backBoreDistance : 0;
var dz = (gPlaneModal.getCurrent() == 17) ? cycle.backBoreDistance : 0;
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(87),
getCommonCycle(x - dx, y - dy, z - dz, cycle.bottom),
"Q" + xyzFormat.format(cycle.shift),
"P" + secFormat.format(P), // not optional
feedOutput.format(F)
);
break;
*/
case "reaming":
if (P > 0) {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(89),
getCommonCycle(x, y, z, cycle.retract),
"P" + secFormat.format(P),
feedOutput.format(F)
);
} else {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(85),
getCommonCycle(x, y, z, cycle.retract),
feedOutput.format(F)
);
}
break;
case "stop-boring":
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(86),
getCommonCycle(x, y, z, cycle.retract),
conditional(P > 0, "P" + secFormat.format(P)),
feedOutput.format(F)
);
break;
case "manual-boring":
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(88),
getCommonCycle(x, y, z, cycle.retract),
"P" + secFormat.format(P), // not optional
feedOutput.format(F)
);
break;
case "boring":
if (P > 0) {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(89),
getCommonCycle(x, y, z, cycle.retract),
"P" + secFormat.format(P), // not optional
feedOutput.format(F)
);
} else {
writeBlock(
gRetractModal.format(98), gAbsIncModal.format(90), gCycleModal.format(85),
getCommonCycle(x, y, z, cycle.retract),
feedOutput.format(F)
);
}
break;
default:
expandCyclePoint(x, y, z);
}
} else {
if (cycleExpanded) {
expandCyclePoint(x, y, z);
} else {
var _x = xOutput.format(x);
var _y = yOutput.format(y);
var _z = zOutput.format(z);
if (!_x && !_y && !_z) {
switch (gPlaneModal.getCurrent()) {
case 17: // XY
xOutput.reset(); // at least one axis is required
_x = xOutput.format(x);
break;
case 18: // ZX
zOutput.reset(); // at least one axis is required
_z = zOutput.format(z);
break;
case 19: // YZ
yOutput.reset(); // at least one axis is required
_y = yOutput.format(y);
break;
}
}
writeBlock(_x, _y, _z);
}
}
}
function onCycleEnd() {
if (!cycleExpanded) {
writeBlock(gCycleModal.format(80));
gMotionModal.reset();
}
}
var pendingRadiusCompensation = -1;
function onRadiusCompensation() {
pendingRadiusCompensation = radiusCompensation;
}
function onRapid(_x, _y, _z) {
var x = xOutput.format(_x);
var y = yOutput.format(_y);
var z = zOutput.format(_z);
if (x || y || z) {
if (pendingRadiusCompensation >= 0) {
error(localize("Radius compensation mode cannot be changed at rapid traversal."));
return;
}
writeBlock(gMotionModal.format(0), x, y, z);
forceFeed();
}
}
function onLinear(_x, _y, _z, feed) {
var x = xOutput.format(_x);
var y = yOutput.format(_y);
var z = zOutput.format(_z);
var f = getFeed(feed);
if (x || y || z) {
if (pendingRadiusCompensation >= 0) {
pendingRadiusCompensation = -1;
var d = tool.diameterOffset;
if (d > 99) {
warning(localize("The diameter offset exceeds the maximum value."));
}
writeBlock(gPlaneModal.format(17));
switch (radiusCompensation) {
case RADIUS_COMPENSATION_LEFT:
dOutput.reset();
writeBlock(gMotionModal.format(1), gFormat.format(41), x, y, z, dOutput.format(d), f);
break;
case RADIUS_COMPENSATION_RIGHT:
dOutput.reset();
writeBlock(gMotionModal.format(1), gFormat.format(42), x, y, z, dOutput.format(d), f);
break;
default:
writeBlock(gMotionModal.format(1), gFormat.format(40), x, y, z, f);
}
} else {
writeBlock(gMotionModal.format(1), x, y, z, f);
}
} else if (f) {
if (getNextRecord().isMotion()) { // try not to output feed without motion
forceFeed(); // force feed on next line
} else {
writeBlock(gMotionModal.format(1), f);
}
}
}
function onRapid5D(_x, _y, _z, _a, _b, _c) {
if (pendingRadiusCompensation >= 0) {
error(localize("Radius compensation mode cannot be changed at rapid traversal."));
return;
}
var x = xOutput.format(_x);
var y = yOutput.format(_y);
var z = zOutput.format(_z);
var a = aOutput.format(_a);
var b = bOutput.format(_b);
var c = cOutput.format(_c);
writeBlock(gMotionModal.format(0), x, y, z, a, b, c);
forceFeed();
}
function onLinear5D(_x, _y, _z, _a, _b, _c, feed) {
if (pendingRadiusCompensation >= 0) {
error(localize("Radius compensation cannot be activated/deactivated for 5-axis move."));
return;
}
var x = xOutput.format(_x);
var y = yOutput.format(_y);
var z = zOutput.format(_z);
var a = aOutput.format(_a);
var b = bOutput.format(_b);
var c = cOutput.format(_c);
var f = getFeed(feed);
if (x || y || z || a || b || c) {
writeBlock(gMotionModal.format(1), x, y, z, a, b, c, f);
} else if (f) {
if (getNextRecord().isMotion()) { // try not to output feed without motion
forceFeed(); // force feed on next line
} else {
writeBlock(gMotionModal.format(1), f);
}
}
}
function onCircular(clockwise, cx, cy, cz, x, y, z, feed) {
if (pendingRadiusCompensation >= 0) {
error(localize("Radius compensation cannot be activated/deactivated for a circular move."));
return;
}
var start = getCurrentPosition();
if (isFullCircle()) {
if (properties.useRadius || isHelical()) { // radius mode does not support full arcs
linearize(tolerance);
return;
}
switch (getCircularPlane()) {
case PLANE_XY:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), iOutput.format(cx - start.x, 0), jOutput.format(cy - start.y, 0), getFeed(feed));
break;
case PLANE_ZX:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), iOutput.format(cx - start.x, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
break;
case PLANE_YZ:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), jOutput.format(cy - start.y, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
break;
default:
linearize(tolerance);
}
} else if (!properties.useRadius) {
switch (getCircularPlane()) {
case PLANE_XY:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), iOutput.format(cx - start.x, 0), jOutput.format(cy - start.y, 0), getFeed(feed));
break;
case PLANE_ZX:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), iOutput.format(cx - start.x, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
break;
case PLANE_YZ:
writeBlock(gAbsIncModal.format(90), gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), jOutput.format(cy - start.y, 0), kOutput.format(cz - start.z, 0), getFeed(feed));
break;
default:
linearize(tolerance);
}
} else { // use radius mode
var r = getCircularRadius();
if (toDeg(getCircularSweep()) > (180 + 1e-9)) {
r = -r; // allow up to <360 deg arcs
}
switch (getCircularPlane()) {
case PLANE_XY:
writeBlock(gPlaneModal.format(17), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
break;
case PLANE_ZX:
writeBlock(gPlaneModal.format(18), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
break;
case PLANE_YZ:
writeBlock(gPlaneModal.format(19), gMotionModal.format(clockwise ? 2 : 3), xOutput.format(x), yOutput.format(y), zOutput.format(z), "R" + rFormat.format(r), getFeed(feed));
break;
default:
linearize(tolerance);
}
}
}
var mapCommand = {
COMMAND_STOP:0,
COMMAND_OPTIONAL_STOP:1,
COMMAND_END:2,
COMMAND_SPINDLE_CLOCKWISE:3,
COMMAND_SPINDLE_COUNTERCLOCKWISE:4,
COMMAND_STOP_SPINDLE:5,
COMMAND_ORIENTATE_SPINDLE:19,
COMMAND_LOAD_TOOL:6,
COMMAND_COOLANT_ON:8,
COMMAND_COOLANT_OFF:9
};
function onCommand(command) {
switch (command) {
case COMMAND_STOP:
writeBlock(mFormat.format(0));
forceSpindleSpeed = true;
return;
case COMMAND_START_SPINDLE:
onCommand(tool.clockwise ? COMMAND_SPINDLE_CLOCKWISE : COMMAND_SPINDLE_COUNTERCLOCKWISE);
return;
case COMMAND_LOCK_MULTI_AXIS:
return;
case COMMAND_UNLOCK_MULTI_AXIS:
return;
case COMMAND_BREAK_CONTROL:
return;
case COMMAND_TOOL_MEASURE:
return;
}
var stringId = getCommandStringId(command);
var mcode = mapCommand[stringId];
if (mcode != undefined) {
writeBlock(mFormat.format(mcode));
} else {
onUnsupportedCommand(command);
}
}
function onSectionEnd() {
if (currentSection.isMultiAxis()) {
writeBlock(gMotionModal.format(49));
}
writeBlock(gPlaneModal.format(17));
if (((getCurrentSectionId() + 1) >= getNumberOfSections()) ||
(tool.number != getNextSection().getTool().number)) {
onCommand(COMMAND_BREAK_CONTROL);
}
forceAny();
}
function onClose() {
onCommand(COMMAND_COOLANT_OFF);
if (useG28) {
writeBlock(gFormat.format(28), gAbsIncModal.format(91), "Z" + xyzFormat.format(0)); // retract
} else {
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), "Z" + xyzFormat.format(0)); // retract
}
zOutput.reset();
setWorkPlane(new Vector(0, 0, 0)); // reset working plane
if (!machineConfiguration.hasHomePositionX() && !machineConfiguration.hasHomePositionY()) {
if (useG28) {
// 90/91 mode is don't care
writeBlock(gFormat.format(28), gAbsIncModal.format(91), "X" + xyzFormat.format(0), "Y" + xyzFormat.format(0)); // return to home
}
} else {
var homeX;
if (machineConfiguration.hasHomePositionX()) {
homeX = "X" + xyzFormat.format(machineConfiguration.getHomePositionX());
}
var homeY;
if (machineConfiguration.hasHomePositionY()) {
homeY = "Y" + xyzFormat.format(machineConfiguration.getHomePositionY());
}
writeBlock(gAbsIncModal.format(90), gFormat.format(53), gMotionModal.format(0), homeX, homeY);
}
onImpliedCommand(COMMAND_END);
onImpliedCommand(COMMAND_STOP_SPINDLE);
writeBlock(mFormat.format(30)); // stop program, spindle stop, coolant off
writeln("%");
}
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28 Nov 2014 08:59 #53505
by andypugh
Well, that is a little different to what I thought. The move up is a G53 (machine coordinates move).
I have to say that inserting that is a rather odd choice on the part of Autodesk, but then they do have a tendency to think that they know best.
What you need to do is to set up your spindle with the axis limits as max 0 and min -150 (or whatever) then set up the homing directions to suit.
Home offset probably needs to be a small negative number (so that the 0 position is below the home switch)
As it happens, that was the only way I could make my Z work, I am slightly curious how you managed something different.
Replied by andypugh on topic Can't get zero to be up on Z axis
N20 G53 G0 Z0.
[/code]
Well, that is a little different to what I thought. The move up is a G53 (machine coordinates move).
I have to say that inserting that is a rather odd choice on the part of Autodesk, but then they do have a tendency to think that they know best.
What you need to do is to set up your spindle with the axis limits as max 0 and min -150 (or whatever) then set up the homing directions to suit.
Home offset probably needs to be a small negative number (so that the 0 position is below the home switch)
As it happens, that was the only way I could make my Z work, I am slightly curious how you managed something different.
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- yoshimitsuspeed
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29 Nov 2014 00:47 #53517
by yoshimitsuspeed
Replied by yoshimitsuspeed on topic Can't get zero to be up on Z axis
I will try that.
Like I said, when I was setting up the machine I seem to remember getting a warning that the program exceeded the machines limits when I set it to go into the negatives but it's also quite possible I had something set up wrong or who knows what else might have been going on since I was still just learning it and trying to get it working. At that point I just assumed that it must need to stay in the positives to I never went back. I will try flipping it and see how it goes.
As to how I managed it, I have no idea. I just tried combinations till everything did what it was supposed to.
Thanks for the input.
Like I said, when I was setting up the machine I seem to remember getting a warning that the program exceeded the machines limits when I set it to go into the negatives but it's also quite possible I had something set up wrong or who knows what else might have been going on since I was still just learning it and trying to get it working. At that point I just assumed that it must need to stay in the positives to I never went back. I will try flipping it and see how it goes.
As to how I managed it, I have no idea. I just tried combinations till everything did what it was supposed to.
Thanks for the input.
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