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Windows 7 is not dead.

32 bit OS's will be around for a very long time still..

Just because something is old does not make it bad. XP still has its place, same with win 7 and all other...

Check out Xzero cnc. Look up my build log too.

Are you using a 32 bit OS?

You could have a leak or your filters are dirty. There could be more to this story tho.

Its been a while since I posted on here. Things have been a bit crazy for me lately, i will spare everyone from the details of that. Moving forward, I have been using the machine for the last 9...

3/4 inch mdf single pass with a 1/4 inch compression @ 120 ipm
1/2 inch mdf single pass with a 1/4 inch compression @ 160 ipm

I use Centurion tools.

Both of these give IMO the best feed rate...

Without the pump im sure the engine would overheat. The flow rate would be very small without a pump. Its like having a heatsink without a fan. The fan makes the heatsink more efficient.

This is my second machine purchased from Xzero CNC. You cant beat the price and quality of these machine frames. Everything is solid 1 " 6061 aluminum and machined to extremely tight tolerances. ...

I scrubbed the bearings in alcohol and dried with compressed air. Massage in some grease into the C bearing and install on the rail. Clean the rail too. Dont lube the rail as the wiper on the...

This part of the problem when you buy something from the Chinese market. They usually leave you guessing because the documentation is not provided or is not available.

I would run the motor at...

I have been running my machine for over 3 years now with SBR16 and SBR20 supported linear rails with no problems. I cut MDF with a Vac head 3 times a week. The rails are the least of your worries.

I would be interested to know how well it works. Whats the TIR? What is the usable Min/Max RPMS?

How did you couple the motor shaft to the collet shaft?

The 'wasted material' becomes less of an issue when you consider deflection. A 1/4 inch bit will most likely break under those loads. You could always take 2 passes at the disks using a 1/4 inch...

Well. 7.5HP would do the job but at a slower feed/spinde speed. If you want maximum feed rates(providing your machine rigidity is there) then go for the 11HP.

The question is not if a 7.5hp...

I think these are DC motor with a collet attached to the end. I see them advertised allot on ebay. Post results if they are worth a buy.

Some like to run a bare wire through the length of the hose. I used the aluminum tape on the inside of my dustboot and grounded that to the cnc frame.

The run-out on a typical router with standard collets is pretty terrible. I cut T6061 with 1/4 and 1/8th inch endmills at 0.5mm depth 9,000rpms @ 50 IPM. I use the 'stardust' bits from PCT...

If I started out fresh again I would buy a spindle and a VFD. 3hp or more.

I already had the Porter cable then added the Super PID after. They work really nice actually. Mach 3 controls...

I have Super PID on my router, very quite at 14krpm.

acrylic?

I use a craftex 1hp dust collection system. 4 inch hosing to my dust shoe. It has a large 'filter' bag on top and a collection bag on the bottom. I cut mdf all day long with this setup. Would...

Contact George from Xzero cnc. He can get you some ballscrews. He is in Toronto.

Yes I have ball screws. Lead screws are not meant for anything over 100ipm IMO or should be used for heavier machines. ball screws>lead screws. As far as speeds and feeds. I did say that getting...

If you want accuracy I would go with ball screws over lead screws. I would think that a 10mm pitch ball screw would be a good choice. Depending on your machine/bearings/rigidity/motors and...

I would stay in the 50ipm range. You need to go slow with pcb's, The only time you should start to consider going faster is when you have a precision spindle capable of over 40k rpms.

No. This is not the solution. The bottom bearing must float as it is. What you need to do is prevent the shaft of the ball screw from sliding in and out of the top bearing.

Trotec lasers start at $10k.

Do not rely on the motor holding your ball screw from moving. You may still have an issue with the shaft diameter and the bearing itself.

Im not familiar with this particular machine, is there a coupling that locks onto the ball screw end at the top? If so, push your z up like you are doing and push down on the coupling and tighten it...

I would put them on the front of the Z, this might be stronger and put less stress on the axis when you are plunging or drilling