Need Help! Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder


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Thread: Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder

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    Member ubergeekseven's Avatar
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    Default Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder

    I just received a 4th axis. Bought this one from aliexpress. They had a sale the other day, got %15 percent off plus some other weird random coupon that popped up. ALl in all it cost $380 shipped and arrived in 1 week. Pretty freaking crazy, and that is without the hyperloop running yet. Anyway...

    I contacted CNCRP about modifying the amperage settings on the drivers within the prebuilt controller package they offer. I purchased the 5th driver when I bought the machine. Also, could not find any info on the stepper driver provided. Wanted to find a manual or specs of some sort. But Ahren wrote back in about 2 minutes with this "The closest setting will be 3.2A, which will be "ON ON OFF" for dip switches 1, 2, and 3 respectively." and then gave a link to a driver that is close to theirs, I assume theirs is a customized version of the same PCB. Link to the leadshine version.

    I also found this website that shows a setup and some general info about what he did to accomplish his setup. I have requested the parts list that he ordered from 80/20. And since his setup is similar to mine as well as the same width, I will probably build this one. I have the extended Z-axis as well. He describes his process of machining, and he is using a 3+1 setup to essentially do 4 sided machining. But I would like to take advantage of Fusion 360s ability to do simultaneous machining. Vectric Aspire as well. And that might be the best way for me to get the types of models carved out anyway. But I will get to that once I figure out the Fusion setup.

    Can anyone point to or provide any information on setting up a post processor for Fusion 360 and simultaneous 4th axis machining on the CNCRP? I have the 4896 pro. It would be great to get a modified cncrp post processor. I have no idea what is going on inside of those. I am sure I could learn it, but time is hard to find. And with how cheap these 4th axis setups can be had for, the CNCRP community needs this in the post processor anyway. The axis I bought is a 100:1 harmonic drive, not that it matters for the post processor, I think Mach will be where I set that all up.

    I really cannot wait to be able to machine claw foot table legs and insane joinery. With all the dead ash in my woods and falling all over the place, I have tons of things that need to be carved in the coming years. Having a 4th axis for this will be great and any help in getting there is much appreciated.

    If anyone is willing to help with this and can provide a working one, if you do not have a touch probe, I ordered a corner finding one called the makers guide triple edge finder.
    I paid around $90 for it. Then, when my cncrp touch plate came in, it was the new one and was not even on the site yet. So, I will send you this touch probe. As long as it is a reasonable shipping location. So, US and Canada. And, I only have one. So, it cannot be split without becoming useless for 2 people. Or more, I guess.

    Thank you all for looking at this post and hopefully being able to help the community, and me, get to a working 4th.


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    Gold Member daniellyall's Avatar
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    Default Re: Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder

    I also found this website that shows a setup and some general info about what he did to accomplish his setup. I have requested the parts list that he ordered from 80/20. And since his setup is similar to mine as well as the same width, I will probably build this one. I have the extended Z-axis as well. He describes his process of machining, and he is using a 3+1 setup to essentially do 4 sided machining. But I would like to take advantage of Fusion 360s ability to do simultaneous machining. Vectric Aspire as well. And that might be the best way for me to get the types of models carved out anyway. But I will get to that once I figure out the Fusion setup.

    Can anyone point to or provide any information on setting up a post processor for Fusion 360 and simultaneous 4th axis machining on the CNCRP? I have the 4896 pro. It would be great to get a modified cncrp post processor. I have no idea what is going on inside of those. I am sure I could learn it, but time is hard to find. And with how cheap these 4th axis setups can be had for, the CNCRP community needs this in the post processor anyway. The axis I bought is a 100:1 harmonic drive, not that it matters for the post processor, I think Mach will be where I set that all up.


    Fusion does not have simultaneous 4th axis machining at all it will have continuous what is coming soon, I think you are thinking of wrap what's wrapping a toolpath by substituting A for X or Y there is a hack for it to cut in a continuous fashion.

    Getting the 4th axis to work in fusion is easy you just make sure you are useing the latest post and if it does not post out a A axis move it's simple to turn it on

    it's in this section

    function onOpen() {
    if (properties.useRadius) {
    maximumCircularSweep = toRad(90); // avoid potential center calculation errors for CNC
    }

    if (true) { /*set this to true to turn on A. B or C axis set it to false to turn it off*/
    var aAxis = createAxis({coordinate:0, table:true, axis:[-1, 0, 0], cyclic:true, preference:1});
    machineConfiguration = new MachineConfiguration(aAxis);

    setMachineConfiguration(machineConfiguration);
    optimizeMachineAngles2(1); // map tip mode

    <img src="https://ivxo1q-dm2305.files.1drv.com/y4mENMmTr_Cabc7pR0FUdB6gtbADq2JbuG4_rGy0eBQvLJx19pTi6TqMUIJN0xgOyDIc0gWoxYhS38HpbSTFGdfaK-o42IOU6jczrhDpfpCOTNGL1X6hvZCbgj0y35gqmq1YGTrWwShYGV-C7lXA2esy0Pi_WfnBSyroDLSGXwce4uSr1U7op7srdi78rispHCa_K4aFlTlJPVkkNWMfgh_Tg?width=60&height=60&cropmode=none" width="60" height="60" />

    Being Disabled is OK CNC is For fuN


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Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder

Fusion 360 post processor for 4th axis - Prize for help - Triple Edge Finder