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Yep, thanks, 2008

PRS Alpha 96" X 60"
4 hp Spindle 220V
Zero plate included
Vacuum box with 4 seats for Lighthouse Motors, 2 motors are installed,
2 additional motors included.

1st owner, mainly used for R&D,...

Ryan,

I had the same issue. I was adjusting the RPM manually on the VFD and dropped it below 60 (I think it is 100 on a Columbo) and for some reason the spindle control ceases to work if it drops...

I mostly cut and carve hardwoods and depending on your tool path movement or strategy you may need to change your move speed or rpms. I use to the Janka hardness scale for a point of reference. If it...

Great idea Dave! Anyone know if it is possible to run a Shopbot on a Raspberry Pi?
Inexpensive, easy to troubleshot and can be modified to browse a network to run files. Not sure about the ram...

Kelly,
Have you tried running any of the PCs in Safe Mode? ( allows you to troubleshoot Windows and try to determine what is causing it to not function correctly. Once you have corrected the...

Thanks Scott, it's much appreciated!

Jason

Hello All,
Anyone know if it is possible to create a "warm up" part file for spindles? I am familiar with the TR and SO commands but cannot locate one for time.

What load number do I enter in the "CHIP LOAD in Inches/Flute" field in the Chip Load Calculator? If a chip load for a two flute bit is .005 do I enter .005 or multiply it by the number of flutes...

In my experience its best if I create a relationship before I quote a product to manufacture. I visit the prospects web site to understand their product(s) and market. Genuinely ask customers...

Hi John,

Thanks for your reply. I attempted to update the firmware when 3.5.10 was installed but the firmware window remained blank, so I could not tell if it installed or not. I will try a...

Installed a spindle control board for a Yaskawa on a PRSalpha (running Windows XP) and once rebooted I received a Missing Comm Return error. Spindle controller board worked but machine could not...

I had the same issue. Purchase an energy chain from Shopbot.

Lou has the good fortune of a nice punch line. Really wishing I was within that 30 minute edit window before this really spins out of control. Making a spelling error like this in a forum that is...

I like the silicone idea.

Tim-
If I use the BradyVac to hold down 4/4 boards I presume I would need to place a non porous broad over the plenum with holes cut out for the Fein vacuum ports?...

Does a Trupan spoil board need to be fixed (screwed or glued )to the plenum on a vacuum hold down?

Also curious on methods for creating a versatile vac hold down that can cut sheets as well as...

In the process of putting together a vac hold down system. I understand you need the plywood support board, then the MDF routed with the plenum grid but how is the Trupan used?
Does it make the...

Interested in purchasing a Shopbot and would like to see one in action. Looking for someone with a PRT Alpha 96 in the Northern IL or Southeren WI area willing to give a demo. I would be using SB for...

I am curious how one would cut a three dimensional shape without cutting into the bed of the table. Say I want to cut a 4" wide board that is 48" long into a 3 dimensional slithering snake. Assuming...

Is there software besides ArtCamPro that can generate the cut file from a file created in Rhino?