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I don't understand questioning XZero machine? I use proper bearing, motor side double row, with max 10miron run out. Free end side has 5mm to move freely if needed . if lucky 2 micron movement with expansion

You would not use a thrust bearing on a ballscrew, You use angular contact bearings.On motor side double row for axial and radial load support. On free end is a radial bearing. On a real ballscrew you would not use spring packs? you use sping on leadscrew (acme screw) Steel parts, any size...

What? you must be joking about preload? But yes , most people think china rolled ballscrew, They are not even precision rolled. Just rolled Here machine that makes molds everyday in rigid foam, just as hard as aluminium in some cases https://www.youtube.com/watch?v=BX50c36z__E

Here is factory boxes and bags

Ok , when you import $20.000 a month in rails and ballscrews, let me know how you ship them, Shipping from Taiwan itself cost 5 times the price if not more. My stuff don't come by sea. Also not mentioned ,all parts are shipped air express

I have used coupling to hold bearing in spot for 7 years and over 1000 machines not and not one has caused a problem .Coupling is just like a collar clamp. Once a coupling is tighten , you can try and pull it off with tractor and it will not budge . Machining cost same with threads and without...

If using new Tekno motor spindle. it not a good idea to use that. The warranty is voided if not using brand like delta , fuji, hitachi actech or so. i know of 2 people that spindles blew up with cheap china inverter. One was $600 and other $1300 .Blew spindle first start . You lose. Both...

18x48 Mini Raptor

Rails are 15mm , z axis and Y axis are 16mm x axis long axis is 20mm Motor side double row angular contact bearing, free end contact radial bearing

Mini Raptor is all the same thickness as raptor , 3/4 inch

ok No problem , i though he was saying cnc machine cant do inlays that he talking about

With Raptor if i put my mind to it, could make cue and and put in inlays in one set up with only stopping to change endmill

Sure , what do you want on a cue. For a Raptor that is easy to do even at fast speed. Your not talking about a round rails machine with deflection in the rails .

LOL Was just thinking of trying that joke when someone ask about machine on phone.

Best thing to do is post video of machine cutting Thats funny, i like the holiday in joke lol good one

You would need computer, Old used one with parallel port . You would need spindle, Hitachi routers are good to learn on as they are cheap. Run wire to controller from motors , E stop if using one and prox sensors.. i have complete wiring diagrams and is easy The 4th axis you can send email and...

Here is high precision wood working 4th axis. it center bore is centered to middle of gantry . easily fit 3 3/4 wood , aluminum or steel .MT2 taper .

18x18

Machine also come 18x48 , Mini Raptor and Full size Raptor