Straight Or Spiral Jointer Knives - Router Forums
 
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post #1 of 10 (permalink) Old 05-01-2012, 02:01 PM Thread Starter
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Default Straight Or Spiral Jointer Knives

In regard to buying a new jointer, so far it appears that the straight cutting knives will be the best choice for my purposes, I would like to hear from anybody that has an opinion on the this subject.

Jerry
Colorado City, TX
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post #2 of 10 (permalink) Old 05-02-2012, 11:20 AM
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Carbide segmented head. Smooooooth, no matter what the grain pattern, direction or the size of the knots.

I have had the other two and wouldn't go back.

Just me two cents because you asked.

JimE

TN
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post #3 of 10 (permalink) Old 05-02-2012, 02:13 PM Thread Starter
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JimE, tell me more, what are you telling me in regard to straight or spriral cutting knives, I,m interested in what you are saying, don't tease me with just a smidgen of what you know, OK.

Jerry
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post #4 of 10 (permalink) Old 05-02-2012, 07:20 PM
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Quote:
Originally Posted by blackemmons View Post
Carbide segmented head.
Are you referring to the Byrd sHelix heads?
http://www.holbren.com/spiral-cutterhead/

I think you are suggesting getting the Grizzly with the ordinary head and changing it out:
http://www.holbren.com/home.php?cat=471

I have been using this supplier:
http://www.shop.woodworkingmachinery...ic-Shelix6.htm
(prices include shipping)

Last edited by rwl7532; 05-02-2012 at 07:30 PM. Reason: more research.
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post #5 of 10 (permalink) Old 05-02-2012, 07:28 PM
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A spiral cutting knife slices or shears the grain in a diagional manner resulting in a smoother cut, whereas a straight knife will tend to scrape as a snow shovel does resulting in a less than high quality product. Rockwells door plane has offeres a spiral cutter for as long as I can remember (I'm 60 years old) and for the purpose of a smooth cut on door edges. Many high quality joiners like Powermatic,have offered the spiral for many years and for good reason. If it's available, you can afford the upgrade and desire a higher than average product consider the option that's available
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post #6 of 10 (permalink) Old 05-02-2012, 07:41 PM
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Originally Posted by Jerry Bowen View Post
JimE, tell me more, what are you telling me in regard to straight or spriral cutting knives, I,m interested in what you are saying, don't tease me with just a smidgen of what you know, OK.

Jerry
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post #7 of 10 (permalink) Old 05-02-2012, 08:38 PM
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If I were to do it over, I would consider buying a 6" beater on Craigslist and then upgrading the cutter head with the Byrd sHelix.
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post #8 of 10 (permalink) Old 05-02-2012, 11:03 PM
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Quote:
Originally Posted by Jerry Bowen View Post
In regard to buying a new jointer, so far it appears that the straight cutting knives will be the best choice for my purposes, I would like to hear from anybody that has an opinion on the this subject.

Jerry
Colorado City, TX
A few years back i upgraded from a 6" jointer with straight blades to a Grizzly GO593 (discontinued) 8" with spiral cutterhead. I would not go back to straight blades. The spiral cutterhead leave a almost finish ready cut. If you chip one of the cutters you can rotate it (3 times) and continue on.

If you chip a straight blade you may be able to sharpen it or you will have to replace it. Replacing and adjusting the blades are a PITA.

Good luck on your choice.

Al

Last edited by boogalee; 05-02-2012 at 11:10 PM.
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post #9 of 10 (permalink) Old 05-03-2012, 02:18 PM Thread Starter
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Thanks for the respoonse Al,
I did get the jointer with the spiral cutters and your comment is an encouragement Sure am anxious to get the jointer in the shop and up and running.

Jerry
Colorado City, tX
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post #10 of 10 (permalink) Old 05-03-2012, 08:24 PM
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Jerry, an article in Fine Woodworking also concluded that they are cheaper in the long run.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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