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#2003717 - 12/24/12 12:35 AM Build a PinBlock Drill  
Joined: Dec 2005
Posts: 413
woodfab Offline
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woodfab  Offline
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Joined: Dec 2005
Posts: 413
Stoneham, MA
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] [Linked Image] [Linked Image]
[Linked Image]


Last edited by woodfab; 12/24/12 01:33 AM.

Dan (Piano Tinkerer)
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#2003720 - 12/24/12 12:57 AM Re: Build a PinBlock Drill [Re: woodfab]  
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beethoven986 Offline
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beethoven986  Offline
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Joined: Jan 2009
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I'm impressed!

#2003766 - 12/24/12 04:38 AM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Mar 2008
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Olek Offline
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Olek  Offline
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France
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.!
#2003815 - 12/24/12 09:32 AM Re: Build a PinBlock Drill [Re: woodfab]  
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woodfab Offline
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Stoneham, MA
It can easily be angled up to 7˚.

I will be adding some type of cooling
[Linked Image]


Dan (Piano Tinkerer)
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#2003828 - 12/24/12 09:41 AM Re: Build a PinBlock Drill [Re: woodfab]  
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Bojan Babic Offline
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Bojan Babic  Offline
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Posts: 335
Vojvodina, Serbia
Great tool! Congratulations. I would live to have that here!


Bojan Babic
piano technician and tuner
Sid, Vojvodina, Serbia
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#2003964 - 12/24/12 02:33 PM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Mar 2008
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Olek Offline
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Olek  Offline
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Joined: Mar 2008
Posts: 9,230
France
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.
Foo Foo specialist
I wish to add some kind and sensitive phrase but nothing comes to mind.!
#2003979 - 12/24/12 02:53 PM Re: Build a PinBlock Drill [Re: Olek]  
Joined: Jan 2010
Posts: 849
Chuck Behm, CPT-E Offline
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Chuck Behm, CPT-E  Offline
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Joined: Jan 2010
Posts: 849
Boone, Iowa, USA
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


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"The act of destruction is infinitely easier than the act of creation" - Arthur C. Clarke
#2004001 - 12/24/12 03:45 PM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Apr 2008
Posts: 706
Mark Davis Offline
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Mark Davis  Offline
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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 Davis
Piano Tuner/Technician
#2004123 - 12/24/12 10:31 PM Re: Build a PinBlock Drill [Re: woodfab]  
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Rod Verhnjak Offline
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Rod Verhnjak  Offline
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Vancouver B.C. Canada
Nice job.


Verhnjak Pianos
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#2004136 - 12/24/12 11:41 PM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Oct 2006
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David Jenson Offline
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David Jenson  Offline
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Joined: Oct 2006
Posts: 2,539
Maine
How stable are those long bars?


David L. Jenson
Tuning - Repairs - Refurbishing
Jenson's Piano Service
-----
#2004156 - 12/25/12 12:36 AM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: May 2008
Posts: 234
msks Offline
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msks  Offline
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lawrence,KS
wow. I am impressed. You are quite the mechanic.!


#2004263 - 12/25/12 12:06 PM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Dec 2005
Posts: 413
woodfab Offline
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woodfab  Offline
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Joined: Dec 2005
Posts: 413
Stoneham, MA
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]


Dan (Piano Tinkerer)
#2004685 - 12/26/12 06:29 PM Re: Build a PinBlock Drill [Re: woodfab]  
Joined: Nov 2011
Posts: 88
Steve in Cincy Offline
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Steve in Cincy  Offline
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Joined: Nov 2011
Posts: 88
Cincinnati, OH
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)
#2004768 - 12/27/12 01:55 AM Re: Build a PinBlock Drill [Re: woodfab]  
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Posts: 413
woodfab Offline
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woodfab  Offline
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Joined: Dec 2005
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Stoneham, MA
I just added air cooling and found at 20 lbs it takes 15 seconds to cool the drill bit,
[Linked Image]

Last edited by woodfab; 12/27/12 01:57 AM.

Dan (Piano Tinkerer)

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