| From: Nemah
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| Date: 23-Oct-14 |
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Which sanding grit should a bowyer use in a drum sander to give the best look to exotic or highly figured laminations under clear glass? I've been using 40 grit, but I recently acquired some special lams that will look much better if I use a finer grit, but I'm also concerned with adequate adhesion.
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| From: Nemah
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| Date: 23-Oct-14 |
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Which sanding grit should a bowyer use in a drum sander to give the best look to exotic or highly figured laminations under clear glass? I've been using 40 grit, but I recently acquired some special lams that will look much better if I use a finer grit, but I'm also concerned with adequate adhesion.
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| From: bodymanbowyer
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| Date: 23-Oct-14 |
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I would not go any smoother than a fresh 50 grt
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| From: movehuntir
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| Date: 23-Oct-14 |
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I've built 7 bows to date using 60 grit drums to grind the lams. I have had no issues so far. All of these bows have seen regular use.
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| From: Jeff Durnell
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| Date: 23-Oct-14 |
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60 is as fine as I would go, but I try to use 40 as much as possible. I've even used 36 quite a bit.
I know others have had success with 80 and even 120... and i guess it works... I just prefer deeper grooves.
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| From: AK Pathfinder
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| Date: 23-Oct-14 |
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I use 40 for most lame however if I'm trying to bring a lam that tapered down to almost nothing I go up to 80 or so. The 40 will leave such deep grooves that the end will shred up to much.
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| From: Sixby
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| Date: 24-Oct-14 |
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I use 60 grit on all my laminations. No delaminations. Keep them clean, mix the glue right and cook right.
God bless, Steve
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| From: Tucker
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| Date: 24-Oct-14 |
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60
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| From: Tucker
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| Date: 24-Oct-14 |
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60
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| From: skookum
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| Date: 24-Oct-14 |
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A number of years ago a adhesive professional told me that epoxies adhere better to smooth surfaces. Since then I've used his advice on hundreds of bows (often sanding clear glass and wood lams with 400 grit) and haven't had one de-lamination! I uses Smooth-On epoxy.
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| From: Chemsolder1
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| Date: 24-Oct-14 |
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Smooth on states 120grit on their info. I have used 80grit without issue.
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| From: Orion
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| Date: 24-Oct-14 |
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I, too, have used 80, 100 and 120 grit with no issues. IO've never used coarser than 80. At 40 and 60 grit, the glue lines become more prominent.
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| From: Jeff Durnell
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| Date: 24-Oct-14 |
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I disagree on the glue lines. I've made many bows with almost entirely invisible glue lines after using the coarser grit paper. I know right where they are and I cant find them.
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