11-15-2012, 01:32 PM
Thought about that Steve. Ended up getting 1/4 thick flat bar for the Y axis to bolt on and 1/4 x 1 angle for the X. Then 3/8 to make the racks. Went angle for the X incase the main frame isn't straight. If I oversize the holes I can pull the track straight and aligned to each other. Up and down isn't critical, and the torch height control should take care of it.
4R8, (we need a name) Great info!!!!
Do the 3 bearings on the two tracks have any slack in the x direction? That is what I was thinking of doing, great for someone else to test it.
What did you do to the inside of the Y axis square tube to bolt the side plates on?
Your v rails are exactly what I'm hoping to mill out of cold roll flat bar,, won't be hardened but at my age I don't buy green bananas so doubt if I'd ever wear them out.
Are there 2 races in the wheels? My plan was to turn the wheel and press two skate board bearings in.
I used eccentrics similar to yours for the vertical movement on the sawmill carriage, but used flat topped rails, your right they build up, even vertically.
Do the wheels float sideways on one end of the Y axis? On things like crane tracks and the sawmill I find it beter to steer from one side and let the other float a bit to avoid binding. The two motors should keep it straight anyway.
Hope we're not throughing too many questions at you, all great and timely info for me.
Thanks.
4R8, (we need a name) Great info!!!!
Do the 3 bearings on the two tracks have any slack in the x direction? That is what I was thinking of doing, great for someone else to test it.
What did you do to the inside of the Y axis square tube to bolt the side plates on?
Your v rails are exactly what I'm hoping to mill out of cold roll flat bar,, won't be hardened but at my age I don't buy green bananas so doubt if I'd ever wear them out.
Are there 2 races in the wheels? My plan was to turn the wheel and press two skate board bearings in.
I used eccentrics similar to yours for the vertical movement on the sawmill carriage, but used flat topped rails, your right they build up, even vertically.
Do the wheels float sideways on one end of the Y axis? On things like crane tracks and the sawmill I find it beter to steer from one side and let the other float a bit to avoid binding. The two motors should keep it straight anyway.
Hope we're not throughing too many questions at you, all great and timely info for me.
Thanks.
Free advice is worth exactly what you payed for it.
Greg
Greg