Function of Riving Knives for Table Saws
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- Опубліковано 11 лип 2024
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George Vondriska discusses riving knives for Table Saws. A WoodWorkers Guild of America (WWGOA) original video.
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You do have to spend some time setting the saw up... blade, fence, etc. But once done, the saw is great. Fairly compact which is Nice ua-cam.com/users/postUgkxXh-4_3-ZT1fFWP91ZV7iVqzElr0lEb-a I did get an Incra Miter Gauge which takes some setup as well. The stock miter gauge can be adjusted in the miter slot with a little painter's tape... this tightens up the side to side play a lot.
Yeah. Took mine off yesterday because it was easier to pack in my car. Used it today without it and was nearly given an appendectomy by an almost cut off piece of 1/4" ply. I was lucky. Needless to say It's back on now.
I clicked the like button as soon as you said safety.
Thank you for the professional explanation.
I am a 20 years plus machinist, I can't thank enough for my professional teachers and colleagues for giving me this kind of wisdom.
I never had any accident with the milling machines and we did work long hours 10 hours into late night till 2:30 am year around or 12 hour night shift for several weeks.
After once having a 2x4 almost impale me (had a nasty bruise on my belly)I can fully appreciate the riving knife feature on my new table saw.
Thank you for this video! I'm a total rookie/noob learning about carpentry for DIY projects, this safety information is fantastic, thank you!!!!
Me and my once bruised abdomen thank you for post this video. Since installing a riving knife kickbacks have not happened.
I remeber my freshman year in high school in wood shop. Some kid was using something like this and the kick back popped the board out and over his shoulder. There were yellow lines for kids not to cross when this machine was in operation. Well as you guessed it, some kid walked right behind him in the path of the flying board. Stuck the board right in his head and buried the board in his skull. Needless to say, those are some moments that you will never forget. Can't remember either of the boys names. Just all the blood. Safety is #1 and always paramount to anything that you do. If you fell wrong or stupid or just not right while working. Then you are probably not being very safe about your work. Step back and think about what you are doing first before you commit.
Every video this guys makes is awesome. He explains things so well. He'd be awesome to have as a mentor for a beginner like me.
wholesome content
Thank You. I learned a lot in 6 minutes. I found your video to be very informative. Now I'm off to find a riving knife for my Rockwell 10" Contractor saw. Thanks again.
I have noticed that the majority of demonstrators on you tube have removed riving knife and anti kickback pawls on their saws.I am glad you produced this vid although I fear your advice will fall on deaf ears
good safety information will never get old, thanks for sharing, I was considering removing mine as sometimes it does not line up with the blade and i had no idea of its purpose, I know better now. thanks
Excellent safety information for beginners! (And a nice reminder for the rest of us.)
Glad it was helpful!
excellent advice. Thank you
Finally a clear precise understanding of there function. Thank you
Thank you for a clear and concise video!
Absolutely understanding that all YT Videos are NOT equal, I saw different vid talking about the "Riving Knife".
Next stop was here, to get an ACCURATE explanation of what the heck THAT was!!!
(Complete transparency: I hope to someday qualify for the title of 'newbie' ! ) 😅
THANKS !!!
Hoping this was helpful!
Fantastic explanation and to the point, thanks
Nuff said, thumbs up!
thank you for sharing this very important video for the safety of the saw operator.
thank you, finally someone says what riving knife is!
Very well explained! Thanks for sharing!
Thanks! It's really useful to have a better understanding of all the parts when translating for power tool manufacturers.
Thanks for the informative article!
Brand new to woodworking and so glad I landed on your channel
Great explanation and great video quality. Thanks!
informative. Thank you!
Great explanation! You would make a super teacher!!
Eating wood for dinner. Love it!
Learn something new every day. 🤘🏻
Thank you! This totally answered my question!
Good explanation thanks.
Thank You !!!
Great info!
Great explanation and video. Thank you.
Thanks that was helpful.
Excellent explanation.
Thanks a lot!
1:30 "Eating wood for dinner!" Great informative video!
Thank you!
Groucho lives! Yay!
Thanks for the info, nice video.
Great video. I need to get one for my table saw. I always stand to the side of the wood as I"m pushing it through, NEVER in front.
@dewoodie Thanks!
Good info.
Very useful vedio
ty for infor.safety FIRST
Cotton, Saws have to be manufactured in a way to accept a riving knife. There are some after market kits that will let you add a riving knife. You’d have to research your particular make and model of saw to determine if a riving knife could be added
Now I know. Thank you :)
I was taught to use a table saw without any safety equipment from around the blade. I'm not saying I'm tough because I don't use one. My old table saw just died. Burned bearings. So, I'm in the market and looking forward to using the riving knife and the guards. I want to keep my fingers.
super !
could you also extend the riving knife, or would that cause safety issues? I always find them so short in length horizontally
My table saw has had a version of this on it since I bought it but I didn’t realize what it was actually called. I understood how it worked and why it was there but not the name.
Bosch GTS 1031 has the best Riving knife 👏👏👏
broda can install this on any table saw? or do I need a new table saw man?
It would be helpful if you could add info about how to purchase a riving knife. Are there universal ones? How do you put it on? What do I have to know about my saw in order to choose the one that fits my saw? I have a brand new, never used portable 10” Delta saw from 1997. So I’m hoping there are universal knives available.
Hi, what is the brand and model of that table saw you have in the video? Is it a Bosch?
Hello. Here is a link to the saw: amzn.to/35hdsGt
Thanks
Paul-Woodworkers Guild of America
Yes but, with a thin kerf blade, the riving knife is wider and it pushes the wood against the fence and it jams.
I just got a DeWalt table saw. When putting it together, reading directions, I installed the guard. But in looking at rest of directions, it says not to install both riving knife AND kerf. Now that's what I have. One was already installed there. NOW I can't get it out. Any ideas for me, a beginner? I want to start using, and I'm reading over all directions. I want to be safe, but I know it isn't right with both there. I flipped the latch on side but it won't release the guard.
have a circular saw with a splitter. its an old saw. I,m not sure if it is positioned right. the top of the splitter is aligned with the blade but the bottom is a couple of millimeters from the blade. is that supposed to be aligned this way?
Hi Axell. You need for the splitter to be positioned in the same plane, perfectly aligned with the saw blade. It sounds like the top alignment is correct. I suggest a 6-8 mm gap between the rear of the blade and the splitter.
I can see that I asked the question wrongly. my fault. the splitter is about 8 mm from the blade at the top and bottom. the top or tip of the splitter is flush with the blade but the bottom is about 2 mm to the side. hope that gives better meaning.
Hi George. On the Bosch 4100, what is the principal/purpose behind lowering the riving knife to the lower (middle) position when making a "non-through" cut? I don't see what difference it would make.
Great question! I'll ask our expert and get back to you here.
Here is the response from our expert: I don’t have the saw in front of me but I believe the top position is for when it needs to carry the guard. The middle position is for when you want a riving knife but won’t be using the guard, such as making a groove with a single blade. The lowest position disables it completely for when you’re using a dado head.
@@Wwgoa Now it makes sense to me. Thanks!
Where do you set the riving knife when cutting all the way through the board? Do you only set the riving knife above the blade when you're not cutting all the way through the board?
Hello. The position of a riving knife adjusts as you raise and lower the blade. Only take it off if you’re making a non-through cut such as a dado or groove.
Thanks
Paul-Woodworkers Guild of America
Totally newbie here. While using the splitting knife is it normal to feel some resistance when feeding board? I feel my board too tight against the fence, and I need to push it, and this worries me
It's not good to feel much resistance. It typically either means that your fence is not aligned properly, the blade is too low, the blade is dull, or the riving knife/splitter are not aligned properly to the blade. It is a dangerous situation that can lead to kickback, and should be remedied immediately.
WoodWorkers Guild Of America thank you so much, your answer lead me to further investigation and I realized that my blade was misaligned and also twisted. I figured out that it was twisted because I was forcing the 90 degree position, so the blade was twisted toward the fence at the back end. I also aligned my saw blade and now the wood run smoothly through it. Thank you so much for enlightening me and saving my fingers ✌🏻🤘🏼
I have a Dewalt tablesaw which has a riving knife and a blade guard. Which of the two should I use since it does not appear I can use both?
Hello! Your question has been submitted to our experts. Please allow 1-2 business days for the expert's response. It will be posted here. Thank you!
The blade guard assembly includes a riving knife, so when you are using the blade guard you are using both. The additional riving knife that’s included is for situations where you cannot use a blade guard such as a dado operation.
@@Wwgoa - thanks so much!
I am still a little confused about the difference between a splitter and a riving knife. The anti kickback thing without the teeth would be useful. Great video
Hi there! Great video. I understand now what a riving knife does. Why would a person need to slide the knife to a lower position? It seemed like your explanation was the same
Because sometimes your cut doesn't cut the whole height of the wood. Like if you wanted to cut into a board, but not cut it apart.
What do you do when putting on a dado blade
Hello Elton,
You would remove the riving knife and blade guard when a dado is used.
Hope this helps,
Paul
WoodWorkers Guild of America Video Membership
So whats the purpose of the guard? To me its a big awkward component that block view of the blade as its making the cut.
Hello,
It's primary purpose is to greatly reduce the chance of a blade contact injury.
01:33 "Eating wood for dinner" - Hiiii..haaaa. A humor almost as black as British humor. Ok - did I get this right: whenever the two pieces run *non-parallel* there is [without a riving knife/splitter] a potential danger of a kickback?
@leoncrestin1971 :)
You started the video by saying you would explain the difference between a splitter and a riving knife. I waited for the explanation but nothing happened.
Thanks for your feedback. A riving knife raises and lowers with the blade, so the gap between the riving knife and blade remains constant, making it a safer option.
Thanks
Indeed he did cover this at 2:22 onward. He compared what a splitter does versus what a riving knife can do.
Yeah this video was a bit confusing
A Belt and Suspenders!
didn't know what a riving knife was until it was too late
I find the riving knives throw off the allignment
RUN IT !! - Jesus
I am confused. Is the black thing a _splitter_ or a _riving knife_ ? From the start of the video the presenter kept referring to a splitter when point at or touching the black thing and I was waiting to see the riving knife. I have never owned a table saw, (unfortunately I was rubbish in woodwork classes) and the only part I really knew about was a fence. I realise this was made 9 years ago (damned good video quality for that time) but it needs to be dumbed down for dummies like me. Now I need to go and watch another video to find out what a splitter and a riving knife are because this video has left me none the wiser. I appreciate you publishing this video but it missed the mark in my case.
I gave it a Thumbs Up because I feel that is sort of the payment I can make for watching the uploaded comment. Thank you.
[UPDATE] Ok, the black thing was the riving knife. Now I just need to find a video on what a splitter is. Fairly self explanatory but I need to be sure especially around a spinning blade. Also learned what a curf, kurf (or however it is spelt) is. Due to the different language between the presenter and me, I wasn't able to fully understand the word that was being spoken. I am an native English speaker but I am not English. No, I am not having a go at the presenter. It is just many countries have their own way of saying words. The classic one is Americans pronounce herbs as _urbs_ as in suburbs and do not use the letter *h* in the word. Not a big deal when cooking but can be dangerous when Mr Blade doesn't appreciate the learners naivety due to mishearing something important about safety. Again, Thank You for this video. It has caused me to look at other videos to resolve any safety questions that I have now become aware of. 👍
its a shame all the woodworking shows insist on filming with the guards off. table saws r very dangerous, i plan on keeping my fingers.
Your description is perfect not like Eric Sorensen who gives advice exactly the opposite to yours, very dangerous.
very poignant thank you so much
Why would someone be so (put a name here) that they would cover the part of the video we are trying to watch with letters advertising who they are? Or where to buy hamburgers? Or whatever moronic thing they want to say that they believe is more important than understanding the safety video? I guess as apposed to the song "It IS about the money".The more advertising of a product, the less quality you will find in the product. Because that product has only so much money put into it. Quality or Ads