Carl, 47 thank yous. Some great ideas, some great detail. I think I understand your drill press modification. Thank you ever so much. Gotta go now - got jigs to build! Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com ----- Original Message ----- From: "Carl W. Meyer" <cmpiano@earthlink.net> To: <pianotech@ptg.org> Sent: Saturday, September 23, 2000 8:00 PM Subject: Re: False Beats > Terry; 47 questions? I have 47 answers. Hope they match the questions. > > To start with, I found a plug cutter at a local tool supply. It will cut a > three eighths plug two inches long. It cost over 50 dollars. The letters > on it are unclear due to wear but I think it is a Delta #15-534. I've cut > about a thousand plugs w/o sharpening. I use standard supply house pin > block material. I blow cold air from a cold gun on one side of the cutter > and place a vacuum wand on the other side to draw the cold air over the > cutter and suck up the chips. I don't cut all the way thru because then I > would have to stop the drill to remove the plugs. So I leave the last 1/16 > intact and when I've drilled a batch of plugs I put it in my table saw and > rip that last 1/16 off and they all fall out. I've never used any of the > harder material like delignite, falconwood since I hear they are very > unforgiving. I'm going to start mic-ing my tuning pins since the brand I've > used may not be consistent. > > The Epo-tek has a pot life of 30 min for a 100 gram batch. Fifty min for a > 25 gram batch. Cure is overnight at room temp, one hour at 25 c. Shelf > life one year , but I've had mine for lots longer that that. Epo-tek is > available from Epoxy technology inc. 14 Fortune dr. Billerica, Ma. 01821 > 508/667-3805 It cost about 30 dollars a pound the last time I bought > some. Mix ratio is 4-1 by weight and 3-1 by volume. Lap shear strength is > 1700 psi. I can't find a hardness spec. I have never seen any epoxy with > viscosity below 100cps in any spec sheets. There are a few below 1000cps. > I'm beginning to think it is false economy to spend time and money looking > for a cheaper alternative. I will try to get some west systems to try out. > As to hardness, it appears that the epo-tek is pretty hard, but I don't > think any of the > other wouldn't be hard enough for our use. > > In the fall 2000 catalog from Harbor freight tools (southern Calif.) there > is a 5 speed bench drill press item #01844-6cfh for $39.99. I paid more > for mine but it's the same unit. Central Machinery (China) You can remove > the base and use it for whatever and also the table. > Bolt the flange to your 12 inch square sliding base and then cut a hole in > the top lid so that you can lower the unit all the way down. Now you can't > lower the chuck without modifying the quill. Drill a hole thru the shaft, > get rid of the three handles and mount a three or four inch pulley above > the shaft and with aircraft cable belt the unit so that less than 1/2 turn > of a lever attached to the pulley will actuate the chuck thru its full 2 > inch stroke. Find a good industrial tool and supply place and get a > catalog and they will have gobs of drills of various sizes and lengths. > Metric is a good choice for those odd sizes. You may not be able to get > them in hi-helix but I'm sure that regular ones will do the job just fine. > I'm sure > pictures would be better that my trying to describe this. I have been > teaching a class at a couple of chapters in the area and once at the Cal > state conv titled "Make your own tools". > This is covered as are many simple gadgets I've come up with. I had a > booth at several natl conventions, and sold a few tools, but I've given it > up as too much work. I'm now considering video taping that class and > offering it at a small charge. > > Anyway I'm tired of typing. (Not my best talent) I hope I've answered at > least some of your questions. Feel free to call me if you decide to > actually build something like this. I might be able to get some pictures > together, for what they are worth. The reason I don't like to give out > dimensions and detail is that I would never build the second one the same > as the first. Sorta like Jonas Chickering, huh? > > I'm gonna go find me a beer in the fridge. Keep those cards and letters > coming in! Cheers! > > Regards to all. > > Carl Meyer > Santa Clara, Ca. > 408/984-0482 > > [Original Message] > > From: Farrell <mfarrel2@tampabay.rr.com> > > To: <pianotech@ptg.org> > > Date: 9/22/00 5:02:13 AM > > Subject: Re: False Beats > > > > Hello Carl Meyer. Interesting stuff. About 47 questions. > > snip
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