I have a similar problem with checked maple, except, I will bend it on a mold. What temperature should I stay below?
Bob
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| Author: | mikemcnerney [ Tue Apr 19, 2016 6:57 am ] |
| Post subject: | bending cracked sides |
I resawed some tulip wood yesterday for some ukes & the sides have some cracks in them and I'm wondering about gluing the cracks before I bend on the pipe, I guess with some kind of epoxy? Anyone done this kind of thing? MM |
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| Author: | Tom West [ Tue Apr 19, 2016 7:08 am ] |
| Post subject: | Re: bending cracked sides |
Have not done Tulip wood but certainly repaired tight cracks in other woods before bending. CA is your friend for doing this type of thing. Tom |
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| Author: | kencierp [ Tue Apr 19, 2016 7:39 am ] |
| Post subject: | Re: bending cracked sides |
As Tom mentioned CA works OK for fine cracks, for sure in dark woods like Rosewood and Walnut. I think I'd pass on working Tulip wood that I know is defective -- I can understand salvaging Brazilian Rosewood. |
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| Author: | bluescreek [ Tue Apr 19, 2016 2:47 pm ] |
| Post subject: | Re: bending cracked sides |
agree with Ken start with good stuff . |
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| Author: | Clay S. [ Tue Apr 19, 2016 7:03 pm ] |
| Post subject: | Re: bending cracked sides |
"I think I'd pass on working Tulip wood that I know is defective -- I can understand salvaging Brazilian Rosewood." Tulipwood - Dalbergia Frutescens ? It may not be BRW, but it's still a pretty nice wood. Most epoxies don't take the heat too well. I would be inclined to use hide glue. Even if it failed part way through the bend, using bending straps you could probably finish bending and reglue without a lot of clean up. Good quality hide glue is almost colorless and may show less than some others. |
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| Author: | unkabob [ Tue Apr 19, 2016 8:43 pm ] |
| Post subject: | Re: bending cracked sides |
I have a similar problem with checked maple, except, I will bend it on a mold. What temperature should I stay below? Bob
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| Author: | WilbPorter [ Wed Apr 20, 2016 9:49 am ] |
| Post subject: | Re: bending cracked sides |
I have some wenge sides that have cracked. I glued the cracks with fish glue. From whta others have said, I can expect some problems? |
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| Author: | mikemcnerney [ Wed Apr 20, 2016 9:56 am ] |
| Post subject: | Re: bending cracked sides |
OK I see the common thread here but, I'm still going to try it. This piece of tulip is 40 years old. I'll start with pva & if that doesn't work I'll try one of the JB weld products & reinforce on the inside. I'll try to send some pics in a week. Thanks all |
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| Author: | Bobc [ Wed Apr 20, 2016 7:29 pm ] |
| Post subject: | Re: bending cracked sides |
Try titebond 2 or 3. They have worked well for me. Tulipwood not to be confused with poplar is a beautiful and expensive Dalbergia. I would definitely try it |
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| Author: | Mike_P [ Wed Apr 20, 2016 8:04 pm ] |
| Post subject: | Re: bending cracked sides |
I think titebond 3 might be the ticket for this setch...in general I hate the stuff, as it doesn't really harden until it is subjected to a temperature of around 200*...seeing as how you will be pushing it above that to bend it, it might be perfect for this issue... |
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| Author: | Joe Beaver [ Fri Apr 22, 2016 2:10 pm ] |
| Post subject: | Re: bending cracked sides |
Titebond or CA, I would stay away from epoxy until after the bending is done. Most epoxies turn loose at 180-200 degrees. If that happens it would be a real mess. |
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| Author: | unkabob [ Mon Apr 25, 2016 9:46 pm ] |
| Post subject: | Re: bending cracked sides |
I have recommended thin CA left overnight but fish glue sounds recoverable the second time around. This side has yet to be thicknessed so staining will likely be reduced. Titebond two and three are urethane glues so expect a thin yellow line. Good luck. Bob
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| Author: | kencierp [ Tue Apr 26, 2016 11:57 am ] |
| Post subject: | Re: bending cracked sides |
Quote: Titebond two and three are urethane glues so expect a thin yellow line Pretty sure they are both PVA -- they do handle heat and water better than the Original formula |
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| Author: | Joe Beaver [ Tue Apr 26, 2016 2:26 pm ] |
| Post subject: | Re: bending cracked sides |
I thought it was a Thin Red Line, oh wait, that was different |
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| Author: | Mike_P [ Tue Apr 26, 2016 6:21 pm ] |
| Post subject: | Re: bending cracked sides |
T3 dries dark...not yellow |
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