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I work for a small 4x4 fabrication shop in central CA, and we are doing more and more projects that are making it into magazines and such. I have gotten my boss hooked on cnc plasma cut parts and we...

I am confused. 1/2" 10 threads per inch should mean 10 revolutions to get 1 inch of travel. Why do you think it is 2 turns per inch?

yeah i see how the trailer balls will make it level, but only if the the actuall top is flat. I am worried about one corner being higher or lower than the others. Once it is welded, there is not...

I am running though options in my head for how to build this plasma table, and I am concerned about my ability to keep the table top completly flat, true and square. I know if you make the sides of...

I am going to post this elsewhere. but how do you make sure your table is completly square? I can lay the pieces on the ground and use a square and measure corner to corner to get them pretty good,...

Do you guys like the round rails or the flat rectangular THK style rails?

how do you make sure the top rectangle of the machines is completly flat. If it is not then when you put your rails on their, they wont let the bearings travel smoothly if your gantry is ridged. Or...

What speeds are you guys looking at for cutting. My cutter for 1/2" needs like 20 IPM but for 1/8 it can cut 250IPM....

Instead of using gear boxes for gear reduction ,what about just using a acme screw or something. If a pinion has a circumfrance of 1 inch, then you turn one rev to go 1 inch on the rack. If you...

sweet rig, where are you located?

As far as the motors, how do you calculate what the motors can do? Don't know what my gantry would weigh, but I am sure it wont be super light. I will try to...

any comments on the stepper motors of other questions I had?

Another quick question, do you think you need 1200 oz motors to move the light AL gantry arround? I was hoping with mine I could get away with the 600'sh motors... I also was going to use a gecko, ...

thanks for the info.. I have a 03 TJ, dana 44's front and rear, 4.88 gears, chromoly shafts, air lockers, 4:1 Tcase, NV3550, PSC modified roll cage, custom rockers, TBT front and rear bumpers,...

thats awesome. A few questions. Are you putting the trailer balls on all 12 of the legs? Do you think you need 12 legs to keep it from deflecting? What type of slides are you going to use? What...

I want to build a cnc plasma table. Table will be able to cut 4x2 foot pieces of steel. I will actually leave one end of the table open so I can slide a 4x8 sheet in and just cut that last 2 feet...

I want to use there stuff for a plasma cutter. 4" x 2" Dont know if the motors are strong enough. There will be almost no resistance from the machine. only friction of the slides

thanks, Cable drive might work with different size pullies


Are 200oz steepers enought for a plasma table that small?

Also, is the rectangular rails better or the round rails better for this...

I am looking at building a 4' x 2' plasma table for a friend. I think the hobby CNC package looks good, but I dont know if those motors are strong enough...

I am also trying to figure out what...

I would disagree if the tubes you are dealing with are bent.. I build tube stuff for 4x4's, roll cages and such... the usual method is measure, bend, cut, notch, grind. If you have a 8 foot piece...