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Well in the process of learning what it takes to rebuild a piano I've found that Pintight doesn't work and CA glue is well (You Know) and if your going to spend the time and effort to rebuild then a new PinBlock is a must. I'm doing piano rebuilds just for fun at this point so I built an (in the piano) PinBlock Drill. All bearings and rods are bought on eBay or scavenge. the drill should be better but seems to work OK. I butchered some Stanley laser lines for aligning the drill. I also found that not vacuuming the sawdust helps with the laser alignment by filling the un-drilled holes. So far all test drilling s seem to work out great. ![[Linked Image]](http://www.woodfab.com/Drill02.jpg) ![[Linked Image]](http://www.woodfab.com/Drill03.jpg) ![[Linked Image]](http://www.woodfab.com/Drill04.jpg) ![[Linked Image]](http://www.woodfab.com/Drill05.jpg)
Last edited by woodfab; 12/24/12 01:33 AM.
Dan (Piano Tinkerer)
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Nice setup, can you regulate inclination? cooling the bits seem to be necessary, for new pinblock it is certainly.
Professional of the profession.
Foo Foo specialist
I wish to add some kind and sensitive phrase but nothing comes to mind.!
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It can easily be angled up to 7Ëš. I will be adding some type of cooling ![[Linked Image]](http://www.woodfab.com/Drill06.jpg)
Dan (Piano Tinkerer)
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Great tool! Congratulations. I would live to have that here!
Bojan Babic piano technician and tuner Sid, Vojvodina, Serbia _____________________________ bojanbabic@yahoo.com www.klaviri.blogspot.com
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Nice ! where are the rods coming from ? they make me think of a robot done by a friend with an old bubble jet printer, he made use to make holes in the carboard strips for an organ (midi)
I was shown to use 2 pieces of adhesive ribbon to make 2 flaps around the drill, it send the dust away and produce a little air.
probably not enough to cool a bit in a Delignit block...
Last edited by Kamin; 12/24/12 03:49 PM.
Professional of the profession.
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I wish to add some kind and sensitive phrase but nothing comes to mind.!
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Hi Dan - If you would remind me how to post a photo, I'll show you a picture of how I direct a constant airstream at the bit that will keep it cool, no matter what type of block you're drilling - if your bit is good and sharp, at any rate. Chuck Behm
Tuner/Technician/Rebuilder/Technical Writer www.pianopromoproductions.com515-212-9220 "The act of destruction is infinitely easier than the act of creation" - Arthur C. Clarke
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I have seen something similar to this (a few years ago) that stood on legs and stradled the keyboard length of the piano.
I think it may have been from mazaglia tools.
Otherwise very nice!
Last edited by Mark Davis; 12/24/12 03:47 PM. Reason: minor addition
Mark
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How stable are those long bars?
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wow. I am impressed. You are quite the mechanic.!
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Thanks guys The two long rods that run across the piano left to right came off an exercise machine. They're 1" thick and keep the drill quite stable when drilling. Rather than having legs that reach to the floor it sits on the edge of the piano. This makes it easy to store when not in use. ![[Linked Image]](http://www.woodfab.com/Drill09.jpg)
Dan (Piano Tinkerer)
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Very nice job, indeed.
Thanks for posting the pictures and story, Dan.
Last edited by Steve in Cincy; 12/26/12 06:30 PM.
Regards,
Steve Schutte
Cincinnati
1979 6'7 Kimball Grand
1902 6' Hazelton Bros. Grand (project piano)
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I just added air cooling and found at 20 lbs it takes 15 seconds to cool the drill bit, ![[Linked Image]](http://www.woodfab.com/Drill10.jpg)
Last edited by woodfab; 12/27/12 01:57 AM.
Dan (Piano Tinkerer)
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