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Side bender waist caul http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=53903 |
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Author: | bcombs510 [ Fri Jan 29, 2021 11:45 am ] |
Post subject: | Side bender waist caul |
Hello, A question about side bender waist cauls. I made a set of molds and forms for a baritone uke. Everything was cut on a CNC with exact offsets to account for things like side thickness, slat and blanket thickness, etc... I’m still having a problem though getting the waist all the way down. I’m using a standard side bending jig with the press screw centered on the tower. What I’m seeing is the waist caul gets bound up I *think* from the pressure point of the press foot. Basically it’s tipping a bit side to side. Words are failing me, here is a pic: I could put some cork on the caul but my goal was all this pieces are mated for each other so it should fit together nicely. Any ideas of what I could try or is cork lined the deal? Brad Sent from my iPhone using Tapatalk Pro |
Author: | Ken Lewis [ Fri Jan 29, 2021 1:00 pm ] |
Post subject: | Re: Side bender waist caul |
Take it to the spindle sander and take a little off the center area 'til it fits, or even make it a tad concave. The main thing is to have even pressure while under tension, imo. |
Author: | bcombs510 [ Fri Jan 29, 2021 1:18 pm ] |
Post subject: | Re: Side bender waist caul |
Good call, I will try that. The test piece bent OK, so that’s good. Brad Sent from my iPhone using Tapatalk Pro |
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