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question on dado blade/insert on R4512

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Forum topic by whitebeast88 posted 521 days ago 1894 views 0 times favorited 10 replies Add to Favorites Watch
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whitebeast88

3413 posts in 796 days


521 days ago

Topic tags/keywords: tablesaw question

just bought my R4512 this weekend,i also bought the stacked diablo dado set 8”x12 tooth.is there any reason this shouldn’t fit?i believe they recommend a 6” dado.i seen on lj’s before someone said they used the 8”.

next question is a dado insert,is the leecraft a good buy?i thought about building one but was worried i wouldn’t get it right.i’ve tried researching the leecraft and seems to have good reviews.i don’t know much about the dado’s cause i’ve never used one,except a wobble blade back in high school shop 22 years ago.i also don’t grasp all the zc inserts just yet.any help with this would be appreciated.

marty.

-- Marty.Athens,AL


10 replies so far

View nwbusa's profile

nwbusa

1016 posts in 892 days


#1 posted 521 days ago

I had that exact saw and dado set, it fits and works just fine. f course you’ll need to remove the riving knife.

I made my own dado throat plate and ZCIs from 1/8” hardboard (masonite) so I can’t comment on the commercially available options.

-- John, BC, Canada

View crank49's profile

crank49

3343 posts in 1577 days


#2 posted 521 days ago

The Craftsman 21833, same saw as the Ridgid 4512, comes with a dado insert.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

View ScottinTexas's profile

ScottinTexas

108 posts in 554 days


#3 posted 521 days ago

I had to look up your model to make sure it wasn’t a portable. I was shocked how much it looks like my Craftsman.

http://www.sears.com/craftsman-professional-10-in-contractor-saw-sears-21833/p-00921833000P

I have an 8 inch dado blade and didn’t have problems fitting. Mine has a below table sawdust chute or something – like a thin metal box below the blade and it sometimes makes it tight to get new blades on and off but those are 10 inch blades. What is it hitting against – something like that? Or is the arbor nut too short?

I bought the Leecraft (CR-4 for mine) insert but used it for a thin kerf blade. Seems like a fair amount of money but saves some time. I don’t have a bandsaw which would make making them myself easier.

FWIW mine came with a standard and dado throat plate.

http://www.forrestsawbladesonline.com/product_711_CR4_Leecraft_Zero_Clearance_Table_Saw_Insert_151_8L_x_41_8W.html

View whitebeast88's profile

whitebeast88

3413 posts in 796 days


#4 posted 521 days ago

thanks for your responses everyone,i seen earlier how much the craftsman looks like the ridgid.i haven’t tried the dado on it yet i just saw on the ridgids specs that they recommend 6” dado.
seems like the leecraft has good reviews,so i thought about buying a dado insert.i’d like to make one but not sure of my abilities to do so and it work.

what advantage is a zci on regular blades,is it a better cut?

-- Marty.Athens,AL

View kdc68's profile

kdc68

1942 posts in 882 days


#5 posted 521 days ago

whitebeast There is less tear out when cutting. The wood fibers are fully supported by the insert right up to the blade.

-- Measure "at least" twice and cut once

View crank49's profile

crank49

3343 posts in 1577 days


#6 posted 521 days ago

A sled can give the same results as a ZCI as far as preventing tearout.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

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kdc68

1942 posts in 882 days


#7 posted 521 days ago

whitebeast – I don’t own a Ridgid but I was curious to know if there were any info on LJ’s about making them. I copied and pasted the first one I found in my search. If you have a router and a flush trim bit, I think you could make your own. Save you some $$ .....goood luck

http://lumberjocks.com/projects/57777

-- Measure "at least" twice and cut once

View jeff's profile

jeff

634 posts in 2071 days


#8 posted 521 days ago

I purchased my dado zci from leecraft for my rigid 4512…its made up of phelnolic material and has a screw for adjustments,it fits tight,its level and its slippery smooth…the rigid can spin a 8” dado and i use deltas 7670 stacked dado set…im happy with whole set-up and recommend both…

-- Jeff,Tucson,Az.

View whitebeast88's profile

whitebeast88

3413 posts in 796 days


#9 posted 520 days ago

thanks everyone for the help.
kdc68 i’ve seen a couple of lj’s make them but not sure if i could do it right.and thanks for the answer on the zci.

jeff i’m thinking about the leecraft and maybe trying to build one later.

i tried to see if my old sled would fit,it didn’t.so i get to build another.

-- Marty.Athens,AL

View wncguy's profile

wncguy

197 posts in 918 days


#10 posted 520 days ago

whitebeast – I have a R4512 also & bought some of the Leecraft ZI’s directly from Ron Lee, believe it was $55 including shipping for 3.
He was great to work with. If you want the contact info, let me know.

-- Any man can be a father, but it takes someone special to be a Dad

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