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Thanks for the replies, I came across a good description of how to check and allow for backlash written byjimpinder on this forum, will give it a try.
Terry

Hi, I am running Mach3 thru a Gecko 430 on a diy router, Momus design on a steel frame (solid). Everything works perfectly except drilling, the holes come out undersize and definitely not round. I...

Hi, I live in Penticton BC. I have just finished my modified Momus, cut some letters with it today, seems to work well.
Terry

Hi, I am almost finished my build, I elected to go with a steel frame of rectangle and square tube, mig welded together. The rest is pretty well as per Bob's excellent plans. My spoil board will be...

Thanks Matt I will get one.
Terry

Thanks for the replies, I thought this was the way to go. I have made flycutters for my Sherline mill so should be able to make one with 1/4 shaft.
Terry

Hi, what are you guys using to surface your spoil boards? I am using a porter cable router that can only accept up to 1/4" shanks. Also do you simply jog your cutter across and back to obtain a level...

Thanks for the reply Doug, I am using basically the same setup, I am using a small taper bearing above the bottom plate to take the weight off the motor, my problem is the ball screw pulled out of...

Hi, I have my Momus machine almost completed, what are you guys using to connect the motor to the ball screw on the Z axis? I have a 12 mm ball screw connected thru a flexible aluminum connector that...

Thanks Gerry, appreciate your help.
Terry

Hi, I have a metric lead screw on my Z axis (Momus build) and I have no idea how to calculate the motor steps. I have Mach 3 running a Gecko 540 with Kielings motors, the lead screw is listed as an...

Thank you for your reply, your right, Z not X. I was thinking about a support bearing on the bottom of the ball screw.
Terry

Hi, I am about 99 percent finished on the gantry and metal work part, great design and plans. I am wondering about the X axis, seems the total weight of the axis along with the spindle ( router )...

Hi, I am building my second desktop router, this one a Momus, does anyone happen to have a drawing for the Porter Cable 7201 mounts? If anyone has and would share, I would appreciate.
Thanks
Terry

Thanks for the quick reply.
Terry

I am starting a Momus build, it is my second desktop build, I notice in the plans the X and Y axis are reversed according to what I am used to. Is there a reason or just the builders choice?
Thanks...

Thanks for the replies, I also made my own cables and put the resistors in the plugs, checked resistors with an ohm meter. Maybe I should be doing a little more with the trim pots.
Terry

Thanks for your reply, I am using the Kieling motors I believe they are 425 oz, and the Gecko 540 drive, I have the current resistors at the drive end. It sounds like your getting good performance...

Hi, I just purchased the plans for the Momus router, an awful lot of work and planning went into these. Great job and thankyou.
My questions are does anyone have a problem with heat on their stepper...

Good point Kelly, thanks.
Terry

Thanks for the replies, my goal was to send all three axis to home. I think you have answered that.
Terry

I have got my diy 3 axis machine up and working, I am using Mach3 through a Gecko 540, I am slowly getting into g code, is there a sequence to return all the axis to home after finishing the cuts?...

Wow thats the best info I've seen for us newbies, thank you for taking the time to post all this info and pictures. I too think it definately should be a "sticky".
Thanks again
Terry

Hi, it is great that you guys are willing to share your work with others, as a newbie to the hobby I find it a great help, I wonder if you could post some of the cutting bits you use on these...

Thanks to all for your help, it was just as suggested, the mode for ij was checked wrong.
Really appreciate your help.
Terry

Hi Kelly, it turned out to be the setting on the settings screen, I had absolute checked instead of incremental. I do appreciate your help.
Terry

Thanks very much Gerry, will give it a try.
Terry

Will try to send file as zip.
Terry
Sorry that did not work either.

Hi, thanks for replies, will try and post my gcode.
Terry
Seems I cannot post the file because it is an nc file?

Thanks Kelly, will try that in the am.
Terry