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Forum topic by TTalma posted 08-31-2011 04:22 PM 7256 views 13 times favorited 20 replies Add to Favorites Watch
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TTalma

10 posts in 1350 days


08-31-2011 04:22 PM

Topic tags/keywords: riving knife video tablesaw

I have done a lot of searching for info on a homemade riving knife. and I’ve seen a lot of things people pose as riving knifes, but are just improved splitters. So I have been working one the last few weeks. I just finished my proof of theory prototype the other night. A friend mentioned that I should post this on Lumber jocks. So if anyones interested in following my project I have some posts on my blog. Feel free to check it out and if you have any design improvements please let me know.

http://thewoodenscrew.blogspot.com/

There is even a video of the prototype in action.

-- There's only 10 types of people in this world. Those who know binary, and those who don't.


20 replies so far

View IrreverentJack's profile

IrreverentJack

724 posts in 1501 days


#1 posted 09-15-2011 05:00 PM

Thank you for posting this. I’ll be following the updates on your blog. -Jack

View PurpLev's profile

PurpLev

8476 posts in 2307 days


#2 posted 09-15-2011 05:19 PM

very cool. looking forward to seeing this produced.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View Jeremy Greiner's profile

Jeremy Greiner

568 posts in 1430 days


#3 posted 09-15-2011 07:32 PM

Amazing design, make me one!

-- Easy to use end grain cutting board designer: http://www.1024studios.com/cuttingboard.html

View IrreverentJack's profile

IrreverentJack

724 posts in 1501 days


#4 posted 10-14-2011 10:45 PM

Tim, Nice! Works as good as it looks. Thanks again for posting this. -Jack

View Bill White's profile

Bill White

3457 posts in 2619 days


#5 posted 10-15-2011 12:49 AM

I’ll want one for my Grizz 0444Z. Next week be OK?
Good work, and I think that your machining is just fine.
I was wondering when someone would come up with a retro-fit for existing saws. Am I just dreaming?
Bill

-- bill@magraphics.us

View BorkBob's profile

BorkBob

65 posts in 1351 days


#6 posted 10-17-2011 01:42 AM

Tim, that is one awesome effort. Having spent a lot of time with my hands and head inside a saw like that, I recognize just how briliant your design is.

Maker the install user friendly for the average woodworker and stand back because they will beat a path to your door.

-- Please Pray for Our Troops / Semper Fi / Bob Ross / www.theborkstore.com

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BorkBob

65 posts in 1351 days


#7 posted 10-17-2011 01:42 AM

Tim, that is one awesome effort. Having spent a lot of time with my hands and head inside a saw like that, I recognize just how briliant your design is.

Maker the install user friendly for the average woodworker and stand back because they will beat a path to your door.

-- Please Pray for Our Troops / Semper Fi / Bob Ross / www.theborkstore.com

View jim C's profile

jim C

1452 posts in 1757 days


#8 posted 10-17-2011 02:13 AM

Tim
Great job and great blog.
You must have a machining background. It shows.
My only criticism is your website. Can you change the black background? Sites like these are really tough on the eyes.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View Alexdi's profile

Alexdi

17 posts in 1066 days


#9 posted 12-01-2011 06:33 AM

Very interested, to the tune of polishing my credit card. Nicely done.

View barrys's profile

barrys

1 post in 885 days


#10 posted 04-21-2012 04:14 AM

Beautiful work. Did you happen to keep track of and would you be willing to share some of the critical dimensions of the different parts. I’ve got a small mill and lathe and I’d be hard pressed to get my parts coming out that nice.

Also, do you think aluminum would work for the round bracket you milled out of that thick steel rod? I have that in aluminum so why not ask. Probably too soft for something so thin.

View TTalma's profile

TTalma

10 posts in 1350 days


#11 posted 04-24-2012 12:42 PM

Thanks for all the nice comments. I do have a sketchup model of the knife. if you would like a copy of it here’s a link to it: http://dl.dropbox.com/u/14006061/Riving%20Knife/Riving%20knife%20final.skp

-- There's only 10 types of people in this world. Those who know binary, and those who don't.

View gulfislandguy's profile

gulfislandguy

2 posts in 860 days


#12 posted 05-18-2012 06:44 AM

Hi Tim, I’m new to LJ – I was so impressed with your work on this project – it motivated me to join up! Somewhere in the text you mentioned that someone would have to modify this for a 10” Unisaw – has that been done to your knowledge? Have you ever compared the guts to know how adaptable your design is to the more common saw? I recently acquired a 1973 Guelph ON produced Rockwell Uni and would love to add your riving knife to it. Do you plan to offer this as a commercially available product?

View Vrtigo1's profile

Vrtigo1

432 posts in 1650 days


#13 posted 05-18-2012 01:02 PM

That is very cool, nice to see someone solving the problem of adding a riving knife to older saws.

View TTalma's profile

TTalma

10 posts in 1350 days


#14 posted 05-27-2012 12:53 PM

Gulf I have checked into the guts of a 10” saw and they are exactly the same (for the older unisaws anyway). They are just a little smaller. If someone has made this for a 10” machine I have not seen it yet. I have no plans to make this into a comercial product. I offer it freely to anyone who wants to make one for themselves!

-- There's only 10 types of people in this world. Those who know binary, and those who don't.

View atmartin's profile

atmartin

1 post in 148 days


#15 posted 04-28-2014 12:50 AM

Tim,

I really like your riving knife design! I was looking at making a similar design for my 10” unisaw. My only question (currently) is how did you remove the blade? Perhaps your saw is different from mine but the castings looks very similar. The Arbor on my saw has flats for a wrench. It appears that if i install the components of the riving knife onto the arm around the arbor, it will stick out enough that i will not be able to access the flats on my arbor. Did you have the same problem?

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