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I scored a Sharp 1660C lathe that originally did it's time in a Bosch factory in Atlanta. I hit up Sharp for a manual. It shows in the installation section that it needs to be anchored to the floor with cemented L-hooks.
Does anyone actually do this?
If you want to have the machine actually meet the tolerances specified.
FWIW "Cemented L-hooks" is pretty old style, many have had success with a simple drilled hole, all thread and epoxy.
How do you go about doing that? There's no room to get my hammer drill into the base when it's in-place and I don't trust I can pre-drill it and get the spacing right. I'm going to be paying by the hour to get the lathe off of my trailer and into place.
install the machine as per their instructions.
Some years back I got a 40 taper Mori Seiki VMC w/pallet changer that weighs I think 15-16K pounds. It also had an installation manual that showed an entire foundation system. Dig a big hole, lay in the sides and isolate from the main slab, tons of concrete, the whole works. Of course it also said how important it was to do so. I was willing physically and financially and wanting to do it but I started asking around with the same question you're using now. I couldn't get a single person either from machine dealers to fellow shop owners to fellow machinists to say they'd ever done it or seen it done. Again... even machine dealers who install this stuff.
You know what now... five years later? I wish I had. I can feel when trucks go by outside and hit some depression in the road which is about 75 yards away. I see small tell tale bouncing signs in finishes in this mill and others here, and am always amazed at with sensitive equipment you can can see movement at the machine with the tiniest twist of an adjustment foot or simply stomping on the ground near the machine. (I'm in an industrial building)
This thing is a beast and a race horse and very capable. I still wish I would have given it the best possible foundation to work on. To what degree would it make things better? I have no way to prove it would. I just wish I would have when the moment was in front of me. The hindsight makes it simple as that.
It wouldn't surprise me if I'm completely alone in this train of thought. We'll see.
Dave
Some years back I got a 40 taper Mori Seiki VMC w/pallet changer that weighs I think 15-16K pounds. It also had an installation manual that showed an entire foundation system. Dig a big hole, lay in the sides and isolate from the main slab, tons of concrete, the whole works. Of course it also said how important it was to do so. I was willing physically and financially and wanting to do it but I started asking around with the same question you're using now. I couldn't get a single person either from machine dealers to fellow shop owners to fellow machinists to say they'd ever done it or seen it done. Again... even machine dealers who install this stuff.
You know what now... five years later? I wish I had. I can feel when trucks go by outside and hit some depression in the road which is about 75 yards away. I see small tell tale bouncing signs in finishes in this mill and others here, and am always amazed at with sensitive equipment you can can see movement at the machine with the tiniest twist of an adjustment foot or simply stomping on the ground near the machine. (I'm in an industrial building)
This thing is a beast and a race horse and very capable. I still wish I would have given it the best possible foundation to work on. To what degree would it make things better? I have no way to prove it would. I just wish I would have when the moment was in front of me. The hindsight makes it simple as that.
It wouldn't surprise me if I'm completely alone in this train of thought. We'll see.
Dave
A toolmaking shop nearby bought two new Mori verticals 15 years or so ago. They were struggling big time to hold the tenths they spent the bucks on those machines for. They pulled the mills out and put a massive foundation in for both machines. It was something like 6 feet of solid concrete 15' x 30'.
6 feet thick?!??
Wow!! That’s incredibly thick!
100 cubic yards is around 400000 pounds of concrete.
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