I don’t even have my machine yet but ive got several project ideas. What im wondering, is if its possible to store several XY offsets for high repeat projects. Im thinking about drilling dowel holes with different centers so that it might make set up faster.

Hey Dave, sure. This was already possible when there existed no CAD/CAM programs and CNC operators programmed everything with pure G-code . You use the coordinate system offsets with which you can repeat your program at different locations of the workarea. Nowadays CAD/CAM programs offer that of cou…

Wouldn’t that require to home to the exact same location each time? I know I have to rehome mine sometimes on startup because the first time the y axis is way off.

Hey Ken, yes, on startup of the machine, driving all axes to their home positions is always necessary because it enables the controller to know where its carriages are. This is called homing. Otherwise the machine would not know where the carriages are (they could have been moved while the machine …

As others have indicated, the answer somewhat depends on the accuracy you require in the setup. If you’re caving into a blank that needs to be ‘nearly’ centered on the part or you’re performing an operation where you carve and cut out the part from one setup then stall homing should provide good en…

Hey Derek @WaywardWoodworker , hey all, but you forgot that if someone has a fence or a even a simple block permanently attached on the workarea (possibly somewhere away from the work), and after startup / homing is zeroing on this with XYZ touch plate, you get a much better accuracy than stall homi…

I didn’t forget about probing as an option to have a repeatable work offset… if you’re going to use the probe then why not simply set the front left corner of your CAM model as zero and probe the workpiece? My interpretation of the OP question to turn on the machine, home it, then move to a known s…

Hey Derek, I didn’t really mean that you “forgot” it :slight_smile: of course! I just wanted to add this point so that the methods for achievable repeatability accuracy after powerdown and startup, which is possible without modifications with this machine, are fully listed.

In the files section of this forum you will find an app I made for this purpose. At the start I didn’t have permission to upload to this forum but now I do. So go down to the 5th post to get it. Work Offsets App

Basically, no, other controllers remember offsets between zero operations and even allow a few different positions to be stored 1f loses everything every home cycle. The workaround is to model your entire surface and always put your workpiece in the same location. I don’t like this because it ad…

Storing several X- Y offsets

Original/PRO Series (Buildbotics) (Gen 1)

GrimResistance October 3, 2023, 1:31pm 5

I’ve found that installing homing stops makes homing a bit more repeatable. I’m not sure if it makes it accurate enough for your use but it might be something to consider trying.

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Storing several X- Y offsets

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