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LMII .023" Power Slotting Blade
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=20591
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Author:  Ken C [ Tue Jan 20, 2009 12:39 pm ]
Post subject:  LMII .023" Power Slotting Blade

I am interested in picking up one of subject blades from LMII. I already use a single 4" stiffener/dampener from Forest on my cabinet saw. For those of you using this or similar blades, do they really require two 5" stiffeners to work effectively? I know the blades have a super narrow kerf, but the cut is only a few 32nds deep.

Trying to save on the expense, but in addition, I use a sled on my cabinet saw that will I will need to modify to allow 5" stiffeners to rise above the table saw surface and not hit my sled. Easy to do, but I would rather not have a big wide kerf opening in the sled.

Thanks,

Ken

Author:  Kent Chasson [ Tue Jan 20, 2009 1:02 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

Check out the Stewmac blade. http://www.stewmac.com/shop/Fretting_su ... Blade.html
Most of the blade is thicker so it may work better with smaller diameter stabilizers. Or if you have a good local saw shop, they may be able to side grind a plywood blade for you to your specs.

Author:  JRessler [ Tue Jan 20, 2009 1:29 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

I purchased the stiffeners from Lee Valley. They work great and are a fraction of the cost of the stiffeners at LMI ($21.60/pr).
http://www.leevalley.com/wood/page.aspx ... 1080,41165

Shane's blade at High Mountain Tonewood (Olf Sponsor) works great. It has a little bit wider kerf which is just perfect.

You do need two stiffeners. I haven't tried with a 4" - you could try it and if it creates too much wobble, go ahead and purchase the appropriate stiffeners

Author:  gozierdt [ Tue Jan 20, 2009 1:52 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

I use the Stew-Mac blade with no additional stiffeners, and haven't had
any problem with blade wobble.

Author:  jordan aceto [ Tue Jan 20, 2009 2:02 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

This thread - viewtopic.php?f=10101&t=20538 - has some info.

I have cut piles and piles of fretboards with a completely beat up old blade using no stiffeners, with no problems at all. If you are trying to save money on a fret slotting rig, skiping the stiffeners is a good choice.

A dedicated sled is cool, but also not neccesary, you can just use a miter guage.

Author:  Howard Klepper [ Tue Jan 20, 2009 2:35 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

The stiffeners are an essential part of the LMI system.

I've been very happy with it; but you may need to make a new sled or modify your existing one.

Author:  jordan aceto [ Tue Jan 20, 2009 2:41 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

quote="Howard Klepper"]The stiffeners are an essential part of the LMI system.

I've been very happy with it; but you may need to make a new sled or modify your existing one.[/quote]

Right, my blade is from stew mac, so my advice to skimp on stiffeners only applies to that one.

Author:  Todd Rose [ Tue Jan 20, 2009 3:16 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

jordan aceto wrote:

A dedicated sled is cool, but also not neccesary, you can just use a miter guage.


And I suppose you just eyeball the fret spacings, Jordan? ;)

Author:  jordan aceto [ Tue Jan 20, 2009 6:20 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

Yeah, someone told me that as long as each fret is closer together than the last, the intonation should come out pretty good.

No wait, seriously, to cut fret slots on a table saw you need-

A: something to keep the board perpendicular while you push it through the blade

B: A way to index each fret for accuracy

You can just as easily stick a registration pin in the plywood or mdf fence on your miter guage, or a pencil line or saw kerf if you use a pinless system like the stew mac fret scale rulers, which is what i do.

Dedicated fret slot sleds are really cool, and i will probably get around to making one someday, but since it has no impact on the final product, and i am comfortable and fast with my method, i will probably put it off for another 15 years.

Author:  Ken C [ Tue Jan 20, 2009 6:46 pm ]
Post subject:  Re: LMII .023" Power Slotting Blade

Thanks for all the input! I will be going with stiffeners and will modify my sled accordingly!!

Ken

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