Re: [DIY-CNC] Yet another Video

Interesting. I'm using RV antifreeze as a coolant in my horizontal bandsaw (it doesn't freeze in the wintertime). That also works very well and it has corrosion inhibitors in it as well. Basically it is a mixture of propylene glycol and some other additives. I thought that the cleaner might be a little corrosive with the alcohol. Any corrosion problems? Dave Nicolas Benezan wrote: > > Hello, > > here is a video of my small Isel mill drilling and cutting holes in an > ABS > plastic case. > > > > Machining plastics is nothing special but here I had to solve the problem > that the cutter tends to be tangled in a ball of long chips which > eventually > melts and results in ugly burnt edges if not returnd manually after each > cut. I use a peck drill cycle with fast and short pecks to keep the chips > short. > > Btw, the machine is tuned up almost beyond recognition, only the > frame, the > X and Y linear bearings and the ball screws are original parts. I > replaced > the Kress motor with an Elte HF spindle. The Z axis is a complete > re-design > using THK bearings. Although the performance looks like servos it > still has > steppers but far better ones that the old Isel motors. The controller > is a > Beamicon with BEAST stepper drivers. Another interesting detail is the > mist > coolant system which uses car windscreen cleaner as fluid. The > mix has quite good lubrication and cooling > capabilities, > has a good smell and is not dangerous to the lungs. It dries completely > without residues so it's not necessary to clean the workpiece afterwards. > > Regards > > Bene > > -- > Benezan Electronics, 26, D-72108 Rottenburg Baisingen > CNC- und > > Yahoo! Groups Links To visit your group on the web, go to: Your shop settings: Individual shop | Traditional To change settings online go to: (Yahoo! ID required) To change settings via shop: To Purchase from this group, send an shop to: Your use of Yahoo! Groups is subject to:

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