Purchasing my first Dado Blades - Router Forums
 22Likes
Reply
 
LinkBack Thread Tools Display Modes
post #1 of 18 (permalink) Old 12-23-2018, 09:06 AM Thread Starter
Registered User
 
Ed3443's Avatar
 
Join Date: Jul 2013
Country: United States
First Name: Ed
Posts: 22
 
Default Purchasing my first Dado Blades

I want to buy a set of dado blades. I have a Jet supersaw--so underpowered. I would like to use the Incra Ibox which means I would need 8" instead of 6" dado's. I have thought seriously about just buying a blade for finger cuts in 8" and buying 6" dado blade. But I like the idea of using 3/4" dados. I have also heard that 8" blades spin faster and have a cleaner cut.

Then is the second quandary--which blade. I have looked at Forrest Dado King and Infinity Dadonator. I am leaning toward Infinity because of 6-chipper vs 4 and I have been really impressed with their router bits.

Any suggestions, thoughts or help would be greatly appreciated.
Danman1957 and Herb Stoops like this.
Ed3443 is offline  
Sponsored Links
Advertisement
 
post #2 of 18 (permalink) Old 12-23-2018, 12:01 PM
Moderation Team
 
Cherryville Chuck's Avatar
 
Join Date: Sep 2010
Country: Canada
First Name: Charles
Posts: 14,738
 
Default

One of the reasons they sell 6" dados is for underpowered saws. It takes more torque to run an 8" set. I ran a 6" set when I only had a 1hp direct drive Sears saw and I'm pretty sure I would have had problems with an 8" set. I also have an Ibox and I'm not aware of needing an 8" set for it? You would rarely need to extend more than 3/4" and a 6" set will do that.

You want a set that is guaranteed to leave a flat bottom and not leave "bat ears" at the corners. There are several different brands that are good such as Freud, CMT, or Amana (and others that are maybe less common). Just make sure they say flat bottomed. I know in 8" you can have a choice in 12 teeth or 24 teeth but I can't remember what the options are in 6". More teeth mean a smoother cut but more teeth require more power and cut a little slower.
Ed3443 and Herb Stoops like this.

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.
Cherryville Chuck is online now  
post #3 of 18 (permalink) Old 12-23-2018, 12:03 PM
Forum Contributor
 
DesertRatTom's Avatar
 
Join Date: Jul 2012
Country: United States
First Name: Tom
Posts: 15,198
 
Default

The chippers are the kicker for me. Don't own any Incra stuff that isn't great--someone there is a woodworker so their stuff makes a lot of sense and works as promised. So I'd go for the Incra 8 inch and adjust my feed rate. The Ibox jig would likely work as well with either 6 or 8 inches. Even my long-gone Delta 1hp worked fine with my 8-inch dado set, although I have a no longer available DadoWiz for that purpose that's easier to set up and use.

An increase in speed depends on increasing RPM. The difference will be the number of teeth per revolution that engage the workpiece, which may increase the smoothness of the cut edges.
Ed3443 likes this.

The more I do, the less I accomplish.
DesertRatTom is offline  
Sponsored Links
Advertisement
 
post #4 of 18 (permalink) Old 12-23-2018, 12:29 PM
Registered User
 
DaninVan's Avatar
 
Join Date: Dec 2011
Country: Canada
First Name: Dan
Posts: 13,765
 
Default

I bought a DIMAR (German made) dado set last year; I'm extremely happy with it! Cuts like a laser and clean flat bottoms.
My saw is only 1 1/2HP and i didn't notice any bogging down even with the full 3/4" wide cut.
http://www.dimar-canada.com/pdf/DadoSets8.pdf
Ed3443 likes this.
DaninVan is offline  
post #5 of 18 (permalink) Old 12-23-2018, 05:24 PM
Registered User
 
RainMan 2.0's Avatar
 
Join Date: May 2014
Country: Canada
First Name: Rick
Posts: 15,437
 
Default

I bought this one from Freud . It has a dial adjustment on the one end , which I just love . If your width is out a few thousands , you just loosen your arbour nut and turn it a click.
Itís expensive, but I wouldnít use anything else

https://www.amazon.com/Freud-Dial-Wi.../dp/B000089H8P
Attached Thumbnails
Click image for larger version

Name:	C79DED03-E55C-441A-B184-4A8EAE6861B9.jpg
Views:	22
Size:	336.9 KB
ID:	363455  

Ed3443 likes this.

I don't know anything about CNC router tables , but I stayed at a Holiday Inn Express last night .
Plus I know Ger21

Last edited by RainMan 2.0; 12-23-2018 at 05:26 PM.
RainMan 2.0 is online now  
post #6 of 18 (permalink) Old 12-24-2018, 12:40 AM
Registered User
 
DaninVan's Avatar
 
Join Date: Dec 2011
Country: Canada
First Name: Dan
Posts: 13,765
 
Default

Yikes! That's $250 US and that doesn't include shipping to Canada in the price. That's over $300 Cdn plus taxes and shipping...
Ed3443 likes this.
DaninVan is offline  
post #7 of 18 (permalink) Old 12-24-2018, 07:05 AM Thread Starter
Registered User
 
Ed3443's Avatar
 
Join Date: Jul 2013
Country: United States
First Name: Ed
Posts: 22
 
Default Ed3443

Quote:
Originally Posted by Cherryville Chuck View Post
One of the reasons they sell 6" dados is for underpowered saws. It takes more torque to run an 8" set. I ran a 6" set when I only had a 1hp direct drive Sears saw and I'm pretty sure I would have had problems with an 8" set. I also have an Ibox and I'm not aware of needing an 8" set for it? You would rarely need to extend more than 3/4" and a 6" set will do that.

You want a set that is guaranteed to leave a flat bottom and not leave "bat ears" at the corners. There are several different brands that are good such as Freud, CMT, or Amana (and others that are maybe less common). Just make sure they say flat bottomed. I know in 8" you can have a choice in 12 teeth or 24 teeth but I can't remember what the options are in 6". More teeth mean a smoother cut but more teeth require more power and cut a little slower.
I read someplace that Ibox uses 1/2" of height itself. With a 3/4" dado (my likely max) the blade height would have to be 1 1/4" and my understanding that is the max for 6" dados. There is no wiggle room if you need 1/32 more. Am I totally confused??? I am pretty new to all of this so I think that I could have misunderstood something. If so I would much prefer to get the 6" since the saw has 1 3/4 HP running on 120V. Thank you!
Ed3443 is offline  
post #8 of 18 (permalink) Old 12-24-2018, 08:36 AM
Registered User
 
RainMan 2.0's Avatar
 
Join Date: May 2014
Country: Canada
First Name: Rick
Posts: 15,437
 
Default

Quote:
Originally Posted by DaninVan View Post
Yikes! That's $250 US and that doesn't include shipping to Canada in the price. That's over $300 Cdn plus taxes and shipping...
Iím pretty sure it was $340 at Windsor when I bought it . No regrets though ,as Iíve spent money more foolishly than that before
thomas1389 and Ed3443 like this.

I don't know anything about CNC router tables , but I stayed at a Holiday Inn Express last night .
Plus I know Ger21
RainMan 2.0 is online now  
post #9 of 18 (permalink) Old 12-24-2018, 09:14 AM
MYB
Registered User
 
Join Date: Dec 2012
Country: Canada
First Name: Mark
Posts: 94
 
Default

I usually only buy Freud saw blades because I have always had good luck with them but when I upgraded to a 3 hp saw I wanted an 8" dado and after reading many reviews I bought a cheap (around $100 at the time) Oshlun set that is made in China. https://www.amazon.ca/Oshlun-SDS-084...67200911&psc=1

I don't know how I could get a cleaner crisper cut by paying more than this cost. They also make a 6" set.
DesertRatTom and Ed3443 like this.
MYB is offline  
post #10 of 18 (permalink) Old 12-24-2018, 12:45 PM
Moderation Team
 
Cherryville Chuck's Avatar
 
Join Date: Sep 2010
Country: Canada
First Name: Charles
Posts: 14,738
 
Default

Quote:
Originally Posted by Ed3443 View Post
I read someplace that Ibox uses 1/2" of height itself. With a 3/4" dado (my likely max) the blade height would have to be 1 1/4" and my understanding that is the max for 6" dados. There is no wiggle room if you need 1/32 more. Am I totally confused??? I am pretty new to all of this so I think that I could have misunderstood something. If so I would much prefer to get the 6" since the saw has 1 3/4 HP running on 120V. Thank you!
Yes, the wood sits on the Ibox jig so about 1/2" lost. I can't remember what the 6" set will extend above the table as I had changed to a bigger saw and 8" set by the time I bought the Ibox. My saw was rated 1hp but it drew 15 amps so regardless of what the maker claims the power between my old saw and yours is similar. One of the issues with using a heavier setup is the amount of time it takes the saw to start and get up to speed, particularly if the saw is cold. During this spin up phase the saw is drawing a lot of amps which heats the windings up and is not good for the saw. I had issues at times with the motor overload kicking out and popping the breaker once in a while.
Ed3443 likes this.

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.
Cherryville Chuck is online now  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Router Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
dado blade problem,ragged cut, incorrect installation of the two blades? Door County Tools and Woodworking 5 04-03-2014 07:43 PM
A suggestion from Maurice harrysin Woodturning and Lathes 48 12-08-2013 09:16 AM
Dado blades Marcus Tools and Woodworking 17 12-12-2009 09:33 AM
Dado Blades jbishop Tools and Woodworking 2 12-24-2008 06:06 PM
Dado blades and other table saw specialties Mike Tools and Woodworking 3 01-05-2005 08:07 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome