I’ve been operating my x-carve for 4 years and am now encountering a problem with my z axis and detail pass: I upgraded my Z-axis last week… It was working fine until yesterday.
My roughing pass is consistent but when I switch to detail pass the depth gets more shallow as the carve progresses.
Setting up my detail pass: manual, use last position and resume the carve. I use the same bit because I am just cleaning up edges.
Hardware is stable, nothing seems loose.
I’ve gone into machine inspector to go over settings and everything seems correct based on the information I’ve seen on the forum.
Thanks for any suggestions!
Thank you for all the responses.
I’m having the exact same issue, and could really use some help as I’m loosing sleep over this. Have you tried changing the finish pass cut pattern? Do you also notice that no matter the orientation, the finishing pass seems to cut higher towards the end?
My issue is the Delrin nut described here: Ghost carving
I keep losing tension on mine which inventables claims it due to repetitive up-and-down movement on the Z-Axis. It quite annoying but they don’t have any other suggestions other than taking it apart and applying more tension on it. I have to do this every dozen carves or so.
There is a set screw on the Delrin nut. I want to try tightening that set screw.
To do this you will need to disassemble portions of the Z-Aixs. First the NEMA motor will need to be removed from the top plate ( held on with 4 screws). Next, the top plate would need to be removed ( held on with 4 screws ). The third step would be to remove the front plate to gain access to the Delrin nut behind the front plate ( 16 screws hold the front plate onto the linear bearings ) I have attached images to this email of the screws that need to come out.
To add tension to the delrin nut it is necessary to first unfasten the nut from the set screw. Then by turning the set screw, we can adjust the angle of the lower portion of the delrin nut, which will add tension to the lead screw.
