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I need to cut a profile of about 34 linear inches around an ovoid in 3/16" mirror glass. I had heard of using diamond coated burrs with lots of coolant and a slow speed. So I tested it and it works...

so I am bumping this thread. I ordered my g0704 the beginning of February and it is finally being delivered this Thursday, July 15th. Go figure.

Is there a bolt-on power feed for the X?
...

Hey, is that little drill press from sears? I've had one since '81.

anyone want to defer theirs to San Francisco, let me know. Mid June is almost next year in my book. I might lose interest.

You need an angular contact or thrust bearing on the Z. I found on my R45 it was easier to but it on the lower end in the column. The head on my R45 is about 200lb and I didn't like the idea of it...

Hey, how the hell did you guys jump to the front of the line? I ordered mine a few weeks ago and called them the other day. I was told Feb 26th for shipment at order, then March 24th and now June. ...

Hey, how the hell did you guys jump to the front of the line? I ordered mine a few weeks ago and called them the other day. I was told Feb 26th for shipment at order, then March 24th and now June. ...

seeing that you guys are familiar with the mills the G0704 is based upon, can you recommend a bolt-on DRO? As I mentioned, I don't plan to CNC this mill.

Thanks,

Jerry

I just ordered one to use more like a drill press. I have a Grizzly 519 that is converted to CNC - love it, it's a beast with 1100oz servos. If I crank-up the accel and speed I can shake the shop. ...

ok, so remember I've been running Mach3 for a while, over 5 years.

I just made a set of soft jaws for one of my vises using circular helical milling instead of drilling and boring the holes. I...

I'm not suggesting it hit that point yet, but that it probably will.

Well, I am still digging into EMC2. I have it working but can't get my code into it due to a few problems. So right now the features I would need to have (unless I build a new post processor) would...

thanks, don't want to get into specific problems on this thread, but it looks like my video card defaulted in the xserver and is not the ATI that it should be. It is causing something called a...

I hope you don't mind if I bump this thread again...

I worked for IBM as a developer on the PC before it came out so I've been a dos/window user since '81. I also ran a big chunk of IBM's AIX...

after reading this thread I played around with diode lasers and I just don't see the power and/or efficiency as well as durability being there. I am looking for something relatively low-cost to cut...

I agree. I placed two orders six months apart and they were both shipped promptly and were of good quality. On top of that, when I had questions I was able to reach someone even after hours.

1) you will need gear reduction in the order of at least 3:1 otherwise you will be only running the 1100's at about 220 which is barely out of the nema23 stepper range! If you have the correct...

I am using the 500 line encoders that Dan sells that give 2000 pulses in quadrature. They are way to fine. I should have used 150's. The resolution depends on the leadscrew and step down gearing. ...

I picked up three of the 1100's from Dan Mauch at Camtronics and they are great. I am running my R45 clone without any head counterbalance without a problem with a 3.35 gear ratio on the Z. I have...

I had, and still have, a Sherline mill and lathe converted to CNC for about 8 yrs. I like Sherline but you can save A LOT of money by going to a larger mill like a Seig X2, X3 or even super X3. The...

isn't an X2 a Seig X2? Like the X3? Maybe I'm missing something? Or is it like the mini-mill?

Are you sure you want to use direct drive instead of timing gears and belts? Also, do yourself a favor and look at servo motors for a mill this size. I have both, steppers and servos, and after...

Dave, I wouldn't use a .5 pitch screw on a mill mostly because of the torque requirements. I already have a problem putting a 72 tooth gear on my Y and X axis. You would need 2.5 times that size...

Yes, the ballscrews will be faster, .2 pitch vs .1 pitch so it will double the rapids but reduce the torque in machining.

As far as gearing, you can only get so much in ratio since the "practical"...

Hello, I'm glad the larger mills are being split-out of the other forum.

Here's my story so far:

I took delivery of a Grizzly 0519 mill in mid february. It took about two weeks to move it into...

I looked at the IH dovetail mills. They are ZAY 45's and the last guy went out of business or sold to someone else. I hear that they had good support and are looking for orders.

I opted for a...

there is no comparision between a bridgeport mill and a dovetail column mill when you are trying to get it down the steps, disassembled, with a handcart.

I wanted a 3000lb bridgeport clone, I have...

I would pocket the holes if I wanted to lower the risk for a good finish.

Unless the cutout is supported it could pinch and bind the cutter as it drops through causing a cut in the pre-finished...

is your software generating G03 arcs or doing successive G01 moves for the circle? You'll get a nicer finish using arcs assuming the part is circular. It looked like there were polygonal flats...

warranty and support kills a lot a small businesses. I think IH machines were too good of a deal. Obviously not making enough money will put anyone out of business. I see the prices are higher...