Hi, yeah no problem. I uploaded the gcode, post and mastercam file. It makes a little dent where it made the wind up before. But like i said before, we are going to mill styrofoam, so if in that part it comes out a little rough its not a big deal for us, we prefer that before having like 32021 wind ups that we cant control. FXSM 2.rar

Hi, thank both of you. Now i understand a little bit more about the subject. We have tried to set from MC the C axis with a little angel to try to avoid the singularity, it kinda works but now it tends to rock back and forth continuously between a little range of angels. The one weird thing is that the machine tries to continuously compensate that angel and it doesnt seem optimal. Its not the perfect solution but now that we know what is it we can work around it and see if we can find something else or a better solution. We have to make more test to see whats the minimal angel that we can set the C axis for it to work the best. We will let you guys now if we make any more progress. And yeah, maybe the best solution is to make it a non generic post. But for now we will keep trying to fix it on our own haha. Thank you all and if you find out something new let us now.

Hi, thanks for you answer. What kind of singularities are you talking about? We know that we can re-orient the cylinder and obtain a fluid motion but as we are trying to make a post that works well and with all shape and forms we need it to do the things right and how its suppose to work in all directions. For example if we put the cylinder vertically and we mill it, in one direction it makes 2 wind up in every pass, and thats ok because we know that physically our machine cant go there and it needs that wind up. That been said, in the lay down cylinder of the jpg of our post we know that in that direction and position it can go to negative values in A axis and make that half cylinder in one pass without that wind up. We are planning to use the machine for milling thing in styrofoam like characters and figures. So it makes a peack at 0 almost every time for the complex shapes that it will make. So if in one direction it wind ups and we cant control it, that wind up will make us loose a lot of time in the future. Hope you can understand why its important to us and why we need to fix it.

Hello, thanks for your reply. Im uploading all the post files in a .zip and im adding our mastercam file and the result gcode . We have tried changing bias_null but got nothing. The big problem is that our A axis which is the secondary axis set in POST, wont go to negative values, but we have every set saying that it can, and in other types of positions of the cylinder it clearly goes to negative values, so when we position it like the .jpg it makes that small wind up that it should. We also try changing the values for the limits in every way we could think of but got nothing again. And if we set sec_bias to axis always negative, it makes the same toolpath but with negative values. And if leave to all positives it gives the same result but in positive, and if we leave it as 0 which is suppose to make a continuous move in A axis ,thats where it makes the wind up and doenst make the continuous move. If you have anything else we can try or need some other information or file i can upload it. FXSM.rar

Hello, i've been looking at the forum for some time now, but this is my first post. In my work we have a 3+2 mill machine made for styrofoam. The machine works fine, but we have some issues with the post processor. We are currently using FANUC 5x Mill which was given to use, but its doenst work the way we want to. So we started our mission to make it work like it should. The first problem was that it made some wind ups when it should. We manage to fix that, but to verify it we made some half cylinders and mill them in various directions, to test if it was working like it should. A clarification is that our machine is a head/head type and both C and A axis have -105° to -105° angles. But the problem is that there is one direction of milling it that it makes wind ups in every past. We know for sure that in this direction and position of the machine and axis it shouldnt make any wind ups. We know why it makes them, we just cant find what it is in the POST, we tried changing everything that we look online but nothing worked. Ill try to describe what it does: The half cylinder is lay down on the machine bed, and the direction of the cylinder is in Y axis, so.. it makes half circles in X axis rotating the A axis which is the one with the tool. The problem comes when it reaches 0°, it comes from 90° all the way down to 0° and then it wind ups instead of going continuously down to -90°. Its like it wont take any negative values on A axis. The weird thing and makes us wonder a lot, is that in all other positions of the cylinder what we have tried it (all the other 5 ones) it works just fine. Ill really appreciate if anyone has any type of suggestion or something to look at. Thanks to all. Some clarifications: We are currently using Mastercam 2018 and we check things with CIMCO. Im adding our PSD in case someone wants to check some value and i added a jpg file with the view from CIMCO where you can see the little wind ups that it makes and the position of the cylinder, and it shows clearly that it have the capacity to go further but it wont. Regards from Argentina. ADV Technology 2015 MAX (2).pst