machine simulations

[TERRYH]

when we moved up to 2019/20 we also started using the machine simulator for our machines we had made by our re seller or someone they work with, but anyways when we run it with our 2-D or 3-D and in the 5-axis it runs fine and only gives a warning if something actually hits machine,tool holder, but when we run it with a drilling program we get all sorts of false positives when drilling and taping the center drill runs fine but everything else shoes a collision. however if you run it in verify its all good. Is there some way to get this part of it to work correctly as well ? we've recently started doing a lot of long reach deep cuts and drilling that it would be rally nice to have this working correctly and have confidence in what were releasing to the floor. Have contacted the re seller on this and other issues with no reply as of late, figured I ask on here and hope someone can help. 

[cncappsjames]

In my collision checking software ( @CAMplete Solutions Inc. TruePath), drilling operations that can be problematic are where the holes are only modeled to full depth as opposed to tip depth, or, if the hole bottom has an angle, it differs from the tip angle of your tool. Tapping can also be problematic if the holes are modeled to the minor diameter. 

 

Just a few thoughts. 

[pro grammer]

In our area we also have the same problems...with the reseller.

[TERRYH]

All our holes are modeled to drill size for taps and on size for reamers, so I could see a tap creating an issue being to the minor size, never thought of that. But as far as drilling the holes a drill would be under size for a reamed hole and should be on size for a tapped hole and it gives an collision error right off the bat while pecking or whatever not even getting to the bottom of the holes. 

[JParis]

To me, this sounds like there is a collision check set up on either the part or stock....collision checking against the stock should not be enabled..

From half a country away, can't say with certainty though

[cncappsjames]

Hole bottoms angled or flat? 

[TERRYH]

hole bottoms are to the drill point not flat, ans it shows a collision way before it even get to the bottom. 

[JParis]

Does the drill break thru and touch the fixture? That can also put up a collision

[TERRYH]

No it happens on blind holes and thru holes and shows up on first peck. Like I said before the way we design stuff is for say a 5/16 hole, if it is the main color of the part it's just a 5/16 clearance hole, if it is green it is for a 3/8-16 tap if it is a 1/2" hole main body color its just a 1/2" clearance hole, if it is colored white its for a 1/2" dowel. We have color codes they use and we can look at and know what they are because anything we do that is milled on the CNC their is no print, only prints we do is for the guys doing manual stuff and assembly prints.  To me if it is modeled 1/2 and I drill it 1/2" there should be no issue unless I go deeper than the drill point showing I went to deep therefore creating a part violation. if it is a 5/16 hole for a tap then the drill should show no violation but the tap could because it was modeled to the hole size not the tap size if that makes sense. But when I am doing a large tall part requiring longer than normal tooling and holders to clear, when I get the "false positives" it's hard to have any real confidence in what I am releasing unless I just allow it to run ignoring everything and then sift thru the collision list looking for something other than a tool violation.

[cncappsjames]

@TERRYH, what about your tool definition? If you don't have sufficient cutting length you'll get a collision (at least in CAMplete, Vericut, ICAM, etc...). 

 

Usually the "collsion" will show on the line even if the collision doesn't happen until the end of the move. The whole move is a collsion. 

[TERRYH]

Yes I would not thing thats the issue like I said before it occurs  when drilling all our drills were modeled with jobber length drills and then longer ones as needed, so if I am drilling a blind hole for a 1/2-13 tap it is in no way going deeper than the flute length. and shows up on ever peck. And not sure it matters but we are using the simulator within Mastercam not a stand alone. 

[JParis]

Terry, if you want to send me a z2g, with your simulation models I'll be happy to look at and see what's going on...the reality is that's what it's going to take...

CNC, your reseller or someone else will have to dig into it

[Chally72]

Hey Terry,

 

Same here, if you wanted to send me a Z2G. I'll take a look at it and if I can't find a solution, I'll make sure the right people see it.

 

-Dylan

[TERRYH]

Where do I find these files I normally do not get into any of that one of our other guys does all the putting files where they need to go will check with him. or you can tell me where to look and I will

[JParis]

Making a z2g file, click here

 

Your simulation models will be located here...

C:\Users\Public\Documents\shared Mcam2019\MachineSimulation\MachSim

Select the folder that represent the machine....you can just drag the folder right onto the the completed z2g folder and it'll add the file to it..