My DIY Stone Bridge Saw

[DennisCNC]

Here are some pics of the saw that my Dad and I built.
Travel is 14x14 feet, spindle is 10HP, X Y drive motors are 3ph 1.5HP, the Z motor is a 1HP DC with brake. The table lifts up and rotates.

Before this we were cutting with a rail saw,,,not fun.

Still working on the covers for the THK rails......

[diarmaid]

Very Cool. One hell of a diy! Congrats on the (near) completion.

[Jason Marsha]

wow!

Jason

[svenakela]

That's really awsome! Do you have any picture on a ready piece?

[DennisCNC]

^^ Do you mean, stone that was cut on the saw? I'll take some pics tomarrow. But the edges are razor sharp and does not chip the buttom or cross cut corners. We used a rail saw like the Blue Ripper before this and this thing makes wayyyy nicer cuts.

I'm felling a CNC next for the sink holes that every one, very dislikes doing.

[Mcgyver]

nice work, any build pictures or detail pics, ie frame, linear motion set up etc?

[DennisCNC]

Here are some pictures of the bridge and Z axis and a few others. The big THK's are SR85 and rated at 37,000lb each block, I know it was thousand time over kill but they were available for a good price. The Z axis has a rotating nut ball screw and two SR20 rails with six blocks. The steel plate is 1" thick. We used a chain for the drive system because it was a easy alternative to other methods and we don't need positioning accuracy as with CNC. Everything turned out excellent. There are limit switches on all axis as I found that the motors will rip the chain like nothing if the bump stop is hit. The chain is iso 40 rated at 4,000lb. There is a green line laser to help with positioning the cut. The blade is a silent core 16".

[Mcgyver]

thanks for details, what a beast!

[diarmaid]

wow!!

[Halfnutz]

Very impressive!

[diarmaid]

Is there a coolant supply for while cutting?

[DennisCNC]

^^ Yeah, there is a 3hp water pump pumping 250 gal of water every 30 minutes. The water gets cleaned and recycled.

It's pretty fun cutting with this thing