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Can you share a link to the file and what post are you using.
Mark
Mark Hughes
Owner, Hughes Tooling
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On my machine the code does run and look the same as the simulation. Here's my code.
There is a rapid to Z5 then the drill cycle moves down 45mm then returns back up to Z+5 and moves to the next hole. The drill cycle is not really correct though as the P01 -45 is a move to the top of the hole and the depth is zero, but that is just because you haven't set the planes correctly. Is the code in your screen shot good or bad? It could be your post or machine doesn't like the -45mm move.
Mark
Mark Hughes
Owner, Hughes Tooling
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If you look at the last image Willa1980 attached you can see a slot across the job where the cutter hasn't returned to the clearance level. Either his control or post is not doing what's shown in the simulation. Still all down to not setting up the op correctly though.
Mark.
Mark Hughes
Owner, Hughes Tooling
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If you look at his drill cycle there's a Z-28.3 then R-23.3 i think that might be the problem. If changing the R-23.3 to R5 works it's probably something in the post.
Mark
Mark Hughes
Owner, Hughes Tooling
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The problem is in the post processor, it is not dealing with the way you have the drill cycle set up. You could modify the post to allow for the way you are trying to use the drill cycle but that might cause other problems. At the moment you have the total depth set to the point selected and the top of the hole at the same height and the post is not dealing with that. If you set the Hole top to 23.3 (The depth of the hole you want to drill) it will work. The examples in the help file have the point at the top of the part and you enter the depth of the hole by the way.
Mark.
Mark Hughes
Owner, Hughes Tooling
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@Willa1980 wrote:remaining images...:
It is really easy to forget to change the "Top Height" to "Stock Top", and then, after 1 hour of machining, the part is ruined with the last move of the machine... X-)
One tip, once you have "Drilling" setup how you like you can us Make Default so Top of stock is the default setting.
Mark.
Mark Hughes
Owner, Hughes Tooling
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I think the post is wrong and only moving the drill up 5mm from the total depth, the post for my machine works correctly (it matches the simulation). Because the point selected is at the bottom of the part and the hole depth is also the bottom of the part so in effect zero depth the post is getting it wrong. I think whoever wrote the post didn't anticipate someone setting up the drill cycle this way.
Mark.
Mark Hughes
Owner, Hughes Tooling
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@Willa1980 wrote:Sure,
here's a minimal example:
I was using wincnc.cps. But I don't think that this is relevant because the g-code output is correct. Only the simulation and the displayed toolpaths in Fusion360 are incorrect.
Sorry I was being a bit slow understanding what you were saying about the g code being correct. The confusion here is the simulation is assuming the drill is returned to the retract height after each hole and the person writing the post needs to make sure it is. If you use dump.cps you get the raw data for the cycle like this.
My control always returns to the retract height so there's no problem but as your control doesn't the post should use cycle.clearance instead of cycle.retract then it will look like the simulation.
Mark.
Mark Hughes
Owner, Hughes Tooling
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