Re: X Force Keygen PowerMill 2018 Download
Jahed Stetter
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In the attached project, you can find two toolpaths. I'm trying to do a flat finishing operation on top surface. I would like the tool to make a plunge outside the surface (i.e. approach from outside). I've turned on this option while generating the toolpath and yet it is taking a plunge on the job surface itself (see toolpath 1).
@instrumakr, thanks for the reply. It looks like your toolpath also only works (i.e. approaches from outside) when the "raised surface" model is present. If you delete the raised surface and regenerate the toolpath, it plunges directly onto the job.
@Anonymous Thanks for the workaround. However a workaround only works in certain cases. I'm sure you can imagine that in more complex models it would not be feasible to manually look at every plunge in and see if it needs changing. I'm more interested in finding out why this happens in the first place. Maybe PM engineers need to look into this. I have already raised a case, but I've rarely had my problems solved through cases, but let's see.
Another workaround as suggested by Autodesk support is to create a boundary in the place where I had created a surface. This forces PM to take approach from outside. Still this is very cumbersome and I hope they give a better solution.
From what I see it's your lead in move and length. You have extended move with a 1mm length. I changed the length to 10mm and it moved off the surface. If you use a horizontal arc move, you get it off the part with a shorter lead in move than the extended one.
Offset Flat finishing actually uses the Offset Area Clearance "Offset All - Maintain Cut direction" algorithm.
This forces the toolpath to start with the smallest offset. So this behavior cannot be changed as of now.
A feature request has already been submitted to the development team which is being investigated and considered for a possible resolution.
As a workaround turn on the option 'Ignore hole' and enter a large value. This will get you the required approach from outside but the downside is that it will work all the way to the inside.
Was having an issue earlier this week with Autodesk PostProcessor 2017 taking over from our time tested 2014 PostProcessor. I had to uninstall it to get it to stop being the active version. Lack of foresight.
My simulation has stopped working because apparently PP2017 had registered itself into the PM2017 software as the solver for our MTD files. Anybody know if there is a way to get PM2017 to solve simulation with PP2014? I'd prefer not to reinstall PP2017 for this, as it is best for the MTD solver to be the same as the PP solver. I know that there shouldn't be a difference in how angles are solved between 2014 and 2017, but....who here wants to test that out in an infinite number of circumstances?
If PMPost is automatically updated, even worse without alert, that means that I will have to retest all my postprocessors (5 for the moment, turn-mill will come when my bugs will be cleaned) any time that I install a service pack !
Since we can't check the PP's behaviour on the screen, it has to be 100 % tested or for sure it can cost you a new spindle and some other spare parts ! I can not afford spending 2-3 days testing or a new spindle at every service pack !!!
With PM 2015, we used PMPost 2014 and I had to roll back after some updates because the posted results were not correct. Now, we use PM 2016 with PMPost 2014R2 because they give good and consistent results.
If in the future, PMPost will be as unstable as it was in the past, I wonder if I will be able to install a SP from time to time !!! I don't feel confident with PMPost's updates (unless PMPost's staff works much better as they did in the past) and you tell me that I will be obliged to fully test a +/- beta version of PMPost at every SP ??? I don't have enough time to do it !!!
It really seems that Autodesk has still not realized that the best CAM software is useless if it is not able to produce RELIABLE NC CODE ! It was perhaps also a weakness by Delcam, but at least they gave the opportunity to choose with which PP you want to work. If Autodesk removes this opportunity, they will kill PowerMill and may be some other former Delcam's products !
Sorry, to see that you had a crash ! It definitly shows that there were big changes with PM 2017 and that we need a better documentation on how all this works and how we can force it to use a correct version of PMPost (i.e. +/- bug free and completely tested).
As you can see, we are having issues wtih the new relationships between PowerMill and PMPost. Could you please provide us a complete information on which function uses which PMPost version and how we can take influence on them ? If we cannot, then we will simply not be able to work with PM 2017.
I think that these issues show that forcing the use of the last PMPost's version is not compatible with our production's needs. If we continue having that kind of issues, many customers will think about moving to another CAM software. Don't forget that a CAM software not able to post correct NC programs is totally useless and nobody will continue to pay for it !
The trouble is that my Acramatic 2100 has not the option to work in 3+2 axis with local coordinates (G52.1, which is equivalent to a CYCLE800 for a Sinumerik) and I must use the machine's coordinates to get the correct result.
I suggest that you take some typical programs posted with a former version of PowerMill, make a copy, re-post them with PM 2017 and compare them in the editor (Notepad++ with "compare" plugin is perfect for that job).
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It is often joked that you can tell a good machinist from an average machinist by their Kennedy toolbox. However, what is not a joke is that a good machinist can hear the difference between a high quality and poor quality cut from across the shop. This is especially true when performing traditional roughing operations. These cutterpaths often contain variable chip loads, varying step overs, and -too often -full diameter width cuts.
Traditional roughing passes are characterized by using a series of offset radial passes. These passes are calculated by offsetting a planar cross section of the CAD geometry and stock model when necessary, then merging and trimming the two together. With this approach, regardless of the offset step over value used, the tool will see increased cutter engagement at every internal corner or when driving into slots. These internal corners and slots are where cutter forces spike, and when the tool is most prone to breakage. In order to operate at a high feed rate while using traditional roughing strategies, the programmer needs to take a shallow axial depthof cut. This can create other tool issues, as you are now overusing the bottom of the cutter, rather than the whole flute length. This causes the tool to store more heat in the bottom, versus spreading it out along the whole flute, causing premature wear.
In contrast, constant cutter forces maintain a constant radial tool engagement throughout the entire cut. Constant radial tool engagement eliminates spikes in the cutting forces. This allows the programmer to take a larger axial depth of cut, while simultaneously maintaining a high feed rate, and extend tool life overall.
To get some real world data, we used the Autodesk shop facility at Pier 9 and logged data from a SPIKE sensory tool holder while cutting 1018 steel. Inside the tool holder is a SwiftCarb solid carbide end mill, with everything running on a Haas VF2SS vertical machining center.
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