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| 4*6" band saw bodge, Phase one |
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| PekkaNF:
And some more testing. I found IV-drip that I saved long time ago. It's pretty much this type: http://i147.photobucket.com/albums/r287/uscmba04/iv_drip_system.jpg I used thumbwheel and tube. On the first picture this is staged to bandsaw to show componenets. But in use magnetic base with 20mm syringe was placed over a tool box, to give about 500 mm head. The thubwheel allowed complete cut out of the flow, and pretty easy adjustment of the flow. It seems to work pretty good this way. I cut some keystock and some 20-25 bars of different origins and noticed something rather interesting: * This swarf removal nozzle removes not only swarf, but also removes the coolant pretty efficiently. * If the swarf removal nozzle is removed, whole lot less coolant is needed, but eventually some swarf accumulates on the band and knocks off the applicator nozzle. See last picture, it's easy to notice that whole more coolant is being circulated on the blade...actually it show in real life better than the picture, but difference is noticeable. I think that there is really much truth on fog/mist coolant application argument that very little of the coolant is needed when sawing if the coolant is placed right. Now I used about 5ml per cut (20-30 sections) and even that looked excessive. Hmmm.. Am doing everything right? I have been using old and very dull band saw blade for these tests. Maybe should test with a good band before jumping into further conclusions. Pekka |
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