Nice work!, and to answer your question about the spindle, yes you can tun it off/on, you will need a bob to do it. I used a multifunction from cnc4pc, it is the only one I have expeience with but I love it!! no more standing waiting for the part to finish and then turning off the router, now I just load the gcode hit cycle start and walk away and do something else.
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Started 2 years, 11 months ago by Rodm1954
Very nice work there Hoss. Would be interested in the drawings for your conversion. Any chance of sending them in dxf format please. PM me and I will send my email address.
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GaryCorlew replied 2 years, 11 months ago
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hoss2006 replied 2 years, 11 months ago
Here's an update. Got another 3/4 inches of travel on the Y with a modification
to the base. This gives me 4 7/8 x 8 1/4 travel for the X2.
Better. I'll live with it for now till I run across an old cross slide to adapt to it.
Maybe Little Machine Shop will get the X3 base for sale.Keep my eyes open.
Have Fun, Hoss
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hoss2006 replied 2 years, 11 months ago
Hey Guys,
Thought I would upload the dxf drawings I made for the stepper motor
brackets and such. Hope they help you out.They are in inches.
I used ballscrews and nuts from http://www.homeshopcnc.com/page3.html
I got my thrust bearings and metal timing pulleys and belt from
https://sdp-si.com/eStore/
I made the drawings with Autocad but turbocad can open them too.
Enjoy, Daniel...
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hoss2006 replied 2 years, 11 months ago
A little more info for ya.
The thrust bearings for xyz I bought at mscdirect.com http://www1.mscdirect.com/cgi/nnsrhm
03380961 1.250X1.938X0.078 THRUST CAGE-NEEDLE ASSEMB
03381142 1.250X1.937X0.032 THRUST WASHER-NEEDLE-FLAT (2)
03380045 1.250X2.344X0.625 THRUST-BALL-BANDED MEDIUM
03548591 3/8 X 11/16 X 9/32 SET THRUST BALL BEARING (2 ...
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nancygal replied 2 years, 11 months ago
Hoss, this looks like an excellent conversion! Please provide us with more information on the electronics such as the steppers, controller board etc. Thanks for the excellent information you have already provided.
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hoss2006 replied 2 years, 11 months ago
Hey nancygal,
Here's some more info for you.
I used a FET-3/Dynamo kit($329) from stepperworld.com
http://www.stepperworld.com/FET3dynamo.htm
It has a 3 axis controller with 190 in/oz stepper motors and accessories.
I read on a post somewhere when I was researching it that these motors had enough torque to snap a 3/8 endmill so I figured that would do me just fine.
If I was ...
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bill south replied 2 years, 11 months ago
Hoss;
Great job! I'm interested in your zaxis conversion and the rotating ball nut. I've been searching for such a design for my lathemaster. Tired of wearing out balls trying to move that 250 +lbs of mass.
Unfortunately, I tried opening your dxf files with bobcad 21 but will little success. Can you email me at bsouthnow @ aol.com, copies of your zaxis drawings. I would really ...
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bill south replied 2 years, 11 months ago
Hoss;
Never mind the email for the files. I found an old copy of Turbocad pro (pre bobcad) and re-installed it for the drawings. Thanks! Would it be possible to share some detail on how you constructed the z-axis with bearing numbers and so forth?
Thanks again.
Bill
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bill south replied 2 years, 11 months ago
Hoss;
Never mind the email for the files. I found an old copy of Turbocad pro (pre bobcad) and re-installed it for the drawings. Thanks! Would it be possible to share some detail on how you constructed the z-axis with bearing numbers and so forth?
Thanks again.
Bill
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hoss2006 replied 2 years, 11 months ago
Hey Bill,
The bearings for the Z axis are in the post#6 above that I got at mscdirect.com.
The location for the 2 big bearings can be seen in the cnc z axis mount.dfx above.You might need to use a shim (the same diameters as the lower thrust bearing)between the lower spacer and the thin thrust bearings to take up any backlash.The timing pulley is drilled and tapped to mount to the T shaped ...
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