| Author |
Message |
Topic: Mould or Casting Problems |
Stefano
Replies: 7
Views: 14009
|
Forum: Violin Making and Restoration Forum Posted: Sat Jul 12, 2008 3:20 pm Subject: Mould or Casting Problems |
| Thanks, Geemac. I actually do use hydrocal; I used the word "plaster" as a generic term. However, not being much of a chemist, I must confess that I know virtually nothing about plaster in ... |
Topic: Broken tip |
Stefano
Replies: 17
Views: 36459
|
Forum: Bow Making Forum Posted: Thu Jul 03, 2008 11:19 pm Subject: Broken tip |
| Sorry for the tardy reply. The repair method is very tricky requiring much patience and, I'm afraid, a skill level that I don't have. Derek drilled the holes from the inside of the break before glui ... |
Topic: Mould or Casting Problems |
Stefano
Replies: 7
Views: 14009
|
Forum: Violin Making and Restoration Forum Posted: Thu Jul 03, 2008 11:01 pm Subject: Mould or Casting Problems |
| Yesterday I poured the plaster into the Kiln Wash coated mould which I had left drying for a number of days. Today the new plaster released from the mould with astonishing ease! There was some loss ... |
Topic: Broken tip |
Stefano
Replies: 17
Views: 36459
|
Forum: Bow Making Forum Posted: Tue Jul 01, 2008 1:27 am Subject: Broken tip |
| At the Banff Vioin Restoration workshop last summer we did a repair of this sort under the supervision of Derek Wilson. We used G2 and Derek. with amazing skill. invisibly pinned the head as well wit ... |
Topic: Mould or Casting Problems |
Stefano
Replies: 7
Views: 14009
|
Forum: Violin Making and Restoration Forum Posted: Tue Jul 01, 2008 1:16 am Subject: Mould or Casting Problems |
| Thank you very much, Ed! I'm certain that this will do the trick. I've known about this forum for a long time and am amazed at the generosity and good will here; I should have joined a long time ago ... |
Topic: Mould or Casting Problems |
Stefano
Replies: 7
Views: 14009
|
Forum: Violin Making and Restoration Forum Posted: Mon Jun 30, 2008 9:47 am Subject: Re: Release agent |
| Sounds like you're really into some sophisticated restorations. I've never gotten into anything quite that complex. Some people use thin rubber dental sheeting to separate plaster castings. In my othe ... |
Topic: Mould or Casting Problems |
Stefano
Replies: 7
Views: 14009
|
Forum: Violin Making and Restoration Forum Posted: Mon Jun 30, 2008 12:10 am Subject: Mould or Casting Problems |
| I have made many casts of instrument backs and tops for various repair procedures. Right now I am for the first time trying to make a triple cast: negative (as usual), positive from the negative with ... |
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