Re: [Emc-users] Machine bench design vibration and twist

2017-09-16 Thread John Bald
Have a few options for used stands and cart that I might be able to modify that could work for the mill, but haven't found anything that could be made to work for the lathe. Used to buy used steel from local scrap yards for projects a lot, but they won't sell it any more because of liability con

Re: [Emc-users] Machine bench design vibration and twist

2017-09-16 Thread Dave Cole
Sometimes if you can find a scrap yard around your location, you can find something that can suffice for a machine base. I once bought a cast steel die table for $100.   The hard part was moving it.   Even with a large hand truck it was difficult. Scrap is being bought by scrap yards for $100/to

Re: [Emc-users] Machine bench design vibration and twist

2017-09-16 Thread John Bald
Thanks for reply. The stability of the wood depends on the variety and other factors. Redwood, cedar, and fir tend to be very stable. I don't have access to a welder right now and steel is very pricey in my area, so will have to compromise. Sent with AquaMail for Android http://www.aqua-mail.

Re: [Emc-users] Machine bench design vibration and twist

2017-09-16 Thread Marcus Bowman
I made a large stand/cabinet for a mill, out of 5mm and 3mm steel plate. 5mm on the top, and 3mm on the sides and front. Welded solid. Its very heavy and utterly stable. The mill was bolted to a sub-base made from thick walled steel box section. I had planned to shim under the bolts holding the

[Emc-users] Machine bench design vibration and twist

2017-09-16 Thread John Bald
Need to build a couple stands for 11x27 benchtop lathe and benchtop mill. My thoughts are to make the lathe stand as one rigid box as opposed to the more common separate pedestal style to make use of storage space. Want to use 4 x 4 wood for rails on top and steel plates on top of 4 x 4's for h