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Author Topic: Grinding tapered laminations, your process?
Morning Star
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For the guys who are grinding your own lams. Would you mind explaining the process that works most consistent for you? My tapers have been inconsistent.

I have some jatoba sleds,they are right on. Using a Grizzly Baby Drum sander.

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Posts: 979 | From: Eastern Iowa | Registered: Apr 2003  |  IP: Logged | Report this post to a Moderator
Bowjunkie
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Inconsistent in what way(s)?
Posts: 2393 | From: Pa | Registered: Apr 2003  |  IP: Logged | Report this post to a Moderator
kennym
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First two things I’d check are don’t run on the conveyor splice( it’s thicker on some sanders ) and check to see if your sleds are slightly twisted. It don’t take much...

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Roy from Pa
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I run the lams through twice on the same setting. Then do one turn on the adjustment and run through twice every time after adjusting. On the last pass I'll do 3 runs through.
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Bowjunkie
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I go one pass after each adjustment. I'm using a Delta.

But that's not a fair comparison... we could be using different grit paper, feed rates, removing more or less material with each pass, etc. In fact I often alter the rate and depth of cut as work progresses for various reasons.

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Krasus
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Is the conveyer feed belt perfectly parallel to the drum? Even out slightly will have a big impact
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Crittergetter
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When I get close I make Multiple passes without adjustments and flip end from end and sides several times. Flipping ends and sides makes it more consistent at least for me .

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Holm-Made
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The hook and loop paper the the baby drum takes isn’t the best choice for grinding consistent lams. Too much give. Can you clean the drum to bare metal? Attach the paper with two sided tape or spray adhesive. Wrapping each end with packing tape. Grinding on a hard drum is the way to go.

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Bowjunkie
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Maybe that's why mine is consistent. The paper is wrapped directly on the metal drum, I use a relatively heavy machined aluminum sled, and it rides on a thin belt on a metal feed table.
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Roy from Pa
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I Agree with you, Chad.
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Morning Star
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Thanks fellas, I will let you know how it goes.

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kennym
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Oh, not to do with grinding except saving time and material, I like to cut the lams to taper before grinding, not grind from parallel.......

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Stay sharp, Kenny.

https://www.kennysarchery.com/

Posts: 12081 | From: Linneus , Mo. | Registered: Jan 2004  |  IP: Logged | Report this post to a Moderator
   

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