On 1/30/2011 4:34 AM, Steve Blackmore wrote: > Now, my nefarious reason - I'm realized that a career of hand scraping > is not for me. I've mapped the entire length of the hold-down/bed with > a depth gauge, and know, for every inch of X, the difference between the > current station and the 0 point for the Z axis. For instance, I set my > depth gauge to read 0.000" at X0. At X1, for illustration's sake, lets > say Z is .001", X2 - Z = 0.0005", X3 = .001", and so on and so forth for > the entire length of the hold-down/bed at 1" intervals (had to do this > so I could get this close while filing and scraping). The readings of > the depth gauge are repeatable, so I'm pretty sure the depth gauge is > giving me accurate readings. > > Hi Mark - I sympathise. I did many hundreds of hours hand scraping and > filing during my apprenticeship in the late sixties, early seventies :) > > A good roughing hand tool is a new flat 8 inch sharpening block to get > rid of large high spots. Use it like a sanding block. > Hi Steve - thanks! Yep, like putting in hardwood floors for a living, I have definitely made the determination it would not be the career for me... The draw filing and scraping are pretty close to the final phase. I forgot to mention the vacuum hold-down bed is made of aluminum, and the vixen file works pretty good on removing decent amounts of metal. I used to use vixen files back in the 70's when I puttered around with automotive body work using lead. They're great files for not getting clogged with the material being removed, and can leave a pretty decent finish if they're used correctly. > >> My question is, can comp_file be used to map out those inconsistent >> heights in software, so that I don't have to file and scrape anymore? ;-) >> > A good hardware fix is always better than a software fudge. As per other > suggestions, rig up a dremel or the like to finish it off. > The design of the cutting head kinda precludes me from doing that. As I mentioned to Gene, the procedure for flattening the bed was one of those things that kinda slipped past me when I was designing the machine. > > > Steve Blackmore Mark
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