Why Accuracy Matters in Woodworking - Common Mistakes to Avoid
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- čas přidán 4. 06. 2024
- Support What we do at the Katz-Moses Tools Store: www.KMtools.com
Accuracy matters more than you think. In this video I show you how a 0.025” (.05mm) error compounded around 4 corners can make a project really frustrating to complete. I take you through my most used tools, mistakes to avoid and how to use your power tools to get superior accuracy. Let me know what you’d like to see next. Thanks for watching! Please like, comment and subscribe. Cheers!
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Tools Discussed in This Video
Marking Knife - shop.kmtools.com/MarkingKnife
Marking Gauge (micro adjust) shop.kmtools.com/mgbrassma
Marking Gauge shop.kmtools.com/mrkg
Center Punch shop.kmtools.com/centerpunch
Blem Squares lddy.no/120n3
Blem Rulers lddy.no/127tj
Double Squares lddy.no/127tm
Dividers lddy.no/127tn
Digital Calipers lddy.no/mpl3
Bevel Gauge lddy.no/127tp
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Time Stamps
Intro 0:00
Why Accuracy Matters 0:17
How I use Tools For Accuracy 3:49
Accuracy on the Table Saw 9:27
Accuracy on the Drill Press 13:17
*Accuracy with a Router: 15:20
Final Thoughts 16:49
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Tools I love:
My Apron: kmtools.com/collections/workwear
My favorite Dozuki dovetail saw - shop.kmtools.com/dozuki
My favorite Ryoba saw - shop.kmtools.com/ryoba
Marking Gauge: shop.kmtools.com/dbmk
Marking Knife: shop.kmtools.com/dbmk
NEW Suizan Flush Trim Saw: shop.kmtools.com/flush
Narex Richter Chisels: lddy.no/ussg
Knew Concepts Coping Saw (best deal I’ve found): lddy.no/120mz
Dewalt Planer Package: amzn.to/2thEf6O
CMT Chrome are the Absolute Best Table Saw Blades (JKM10CMT for Additional 10% Off)- lddy.no/ggf9
Great Small Tape Measure: lddy.no/120n2
BLEM Combination Squares (high accuracy and value at a fraction of the price due to cosmetic scratch): lddy.no/120n3
The ABSOLUTE best Sandpaper on the market: lddy.no/10ucv
Dewaxed Shellac Flakes: amzn.to/2FeqqYh
5 Minute Epoxy 10% Discount code JKATZMO: bit.ly/30bA39o
2:1 High Performance Epoxy 10% Discount code JKATZMO: bit.ly/30bA39o
Dewalt Trim Router: amzn.to/3Ay6c7D
Dewalt Full Size Router Kit: amzn.to/3FH8Njp
Dewalt Planer: amzn.to/2YSkpiS
Bosch 1.25 HP Colt Router: amzn.to/3DzNjmF
Bosch Edge Guide: amzn.to/2uRRKs2
Bosch Bushings Set: amzn.to/2JUNRYb
Centering Cone: amzn.to/2OjgOAf
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Avid CNCs of all shapes and sizes: bit.ly/3cdKdqA
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Support What we do at the Katz-Moses Tools Store: KMtools.com
*Tools Discussed in This Video*
*Marking Knife* - shop.kmtools.com/MarkingKnife
*Marking Gauge (micro adjust)* shop.kmtools.com/mgbrassma
*Marking Gauge* shop.kmtools.com/mrkg
*Center Punch* shop.kmtools.com/centerpunch
*Blem Squares* lddy.no/120n3
*Blem Rulers* lddy.no/127tj
*Double Squares* lddy.no/127tm
*Dividers* lddy.no/127tn
*Digital Calipers* lddy.no/mpl3
*Bevel Gauge* lddy.no/127tp
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*Time Stamps*
*Intro* 0:00
*Why Accuracy Matters* 0:17
*How I use Tools For Accuracy* 3:49
*Accuracy on the Table Saw* 9:27
*Accuracy on the Drill Press* 13:17
*Accuracy with a Router: 15:20
*Final Thoughts* 16:49
There is someone using your video without your permission czcams.com/video/TWazste7aOs/video.html
Great video. Keep them coming. Chuck
Some of these links don't work. I went looking for the marking knife and the center punch, and those two for sure don't work.
“Yes i did read it!”, is the answer to your question “Anyone reading this?” On the technical drawing: Pencil Error example”
I like how a lot of these suggestions are classic Paul Sellers mantras adjusted for power tool users. Great job JKM!
Awesome book that gives you step-by-step photos czcams.com/users/postUgkxTNB_zFBSnTo_O1PqfVUwgi7ityw0JlKt and directions to make every day project. I can see myself making a few of these projects and giving them as housewarming and holiday gifts!
Another advantage to using the marking knife is you cut the wood fibers on the surface so when you make your cut with either a hand or power tool there is much less chance of tear out or splintering.
I am a new woodworker, and I just started to realize the importance of accuracy. Thank you.
My belief is that accuracy is important, but consistency is more important. If one part is 1/64 off, that will show. If ALL of your parts are 1/64 off, that won't show. When I cut multiple parts, I try and cut them all at the same time with a single machine setup.
This has been one of my key takeaways from Chris Salamone's videos - planning the cutlist in batches of same-size/angle to minimise the opportunities to introduce errors, using already-cut pieces as reference for the next piece instead of assuming that those perfect calcuations have transferred flawlessly to the real world, and where necessary taking multiple passes and test-fits to sneak up on a perfect *fit* instead of aiming directly for what you think is the perfect *measurement*.
JKM's advice here is all spot-on for the accuracy half of the equation but like he said himself, the best woodworkers are the ones who can fix their mistakes. Consistency and logical workflows are two of the best ways to do that :)
Exactly! Repeatability and Reproduceability are super important for most forms of engineering/manufacturing/quality control/medicine, etc, and woodworking. And metalworking. And cooking. Ok this is getting long 😂
yeah cause 15 thou means anything in wood lmao
@@alterworks7212 Sure. And 640kb is obviously enough for anyone. Why bother with microns when we have inches right? Accuracy, Progress, pffft. All we need is duct tape. And marketing.
Numbers don’t matter. Fit matters. Batch your cuts. Mark directly from mating parts, not indirectly from a measurement.
I literally was thinking this morning that the bane of my woodworking existence is inaccurate measuring and cutting, and here you are the same day giving me my solution! You rock!
I learned so much about accurate measurements in this video as a beginner woodworker! Thank you so much Jonathan!
I love how much I learn from a short amount of time with your videos. Awesome job - I just bought one of your stop blocks and shipped to Canada - was much faster than I expected! Keep up the great work/videos. Glad I can support someone who has thought me so much already.
For us simple weekend DIYers this is pure gold!!
Thank you Jonathan; I've had the exact problem with compounded errors when making simple drawers for my garage shop.
My woodworking game will benefit 10x from just this video alone!!
(BTW, love the eStore; I went ahead and picked up a marking gauge and a JKM stop block because I want to be cool like you, good Sir!)
Cheers!
Great tips! Agree 1000% on spending up front for good tools vs buying cheap tools. Makes a difference
Love the tip about getting the tooth of the tablesaw blade in the scribeline. I have always used a pencil line so I can see the mark. I will be trying your method from now on.
Best instruction on accuracy I've seen using these tools. Thank you. I go to auctions all the time and over 6 months ago I bought a box full of wood working tools and most of these you covered are in that box and many are new. Now it is time to get them out and use them. Thanks again.
I’ve always known that accuracy matters - a lot. Now I know precisely why. Thanks for the excellent info, Jonathon!
I’ve been watching woodworking videos for years and this is the best marking video out there. Great job.
Dude you are one of my absolute favorites. You teach great tips and tricks that take us to the next level.
Videos like this are always interesting to me, because of the contrast between the almost machinist-like approach to woodworking on one end of the scale, compared to the build-to-fit no-numbers methods of old style hand tool woodworking on the other.
I personally lean towards the latter end of the scale, just because all the stuff I do is one-off and it has a nice low-tech appeal to it, but I can definitely appreciate both approaches.
Fantastic overview and explanations of accuracy fundamentals. Thanks for supporting the woodworking community JKM!
You are a great teacher and a great resource of information for newbs like myself that want to make the leap to the next level of their learning curve. Thank you.
I'm new to woodworking and this information is golden. Thank you very much.
This is one of the best woodworking videos I have ever watched. Worth every second, thank you!
Thanks so much for this lesson! I've learned a lot. Next purchase will be the marking knife. All of your videos have been super helpful!
Would be nice with a video showing all the typical and creative ways of finding and marking centers on different objects, distributed marks, symmetrical marks, transferring marks from one piece to another, etc.
Comprehensive explanation with demonstration of marking tools -- I obviously need to upgrade my tools! Thanks so much for being thorough and actually showing how to use the marks for improved accuracy.
I used the trick with the punch and knife to set my saddle and carry a line over the edge. The dowels in my panel glue up were bang-on centre. Awesome tips!
Thank you for teaching the next generation about this subject. I work at Caterpillar and this is one of the top subjects for people to learn. Different type of work but same principle.
Thank you for this video! I’ve never used a marking knife, but it will be the only thing I use from now on! Congratulations on the line of tools as well, very exciting!!
Great camera work.
Its nice to be able to see the accuracy when you're demonstrating it.
Great video! My college professors would love this. This reminded me of every physics, engineering, chemistry and math lecture about accuracy and precision. I especially appreciated the part about using the same take measure. I would go further than that. You need to do inter-comparisons of your measuring devices and only mix use those that match up and toss out, donate, whatever... Everything that isn't square.
AWESOME INFO JONATHAN! I'm so pumped to be able to follow the KMTools journey!
This was one of the best videos I've seen on this sort of topic! I am ALWAYS off by a little bit and just "live with it". I am ordering the knife and bevel roller knife. Never even knew these things existed.
Very well done Jonathan as usual. Your support staff does an awesome job also. I tried to download your free router table plans, had a problem with it, emailed support and had a reply with a new plan link THE SAME DAY! Thank you. Congrats on the new tool venture, I look forward to watching it grow. :)
these so many good and even great woodworkers who won't do this or simply don't know. but even as a beginner learning and applying this expert knowledge sets you up for success ever time. 10/10 loved it so much
Possibly the best woodworking video I’ve ever seen! Thanks!
I've watched probably 200 CZcams vids on woodworking and I learned more from this than all of them combined 😳 for where I'm at anyway. Props man thank you 🙏 🙏💯
You make practical, well reasoned explanations for marking knives and the like. I’ll stop mentally mocking the idea
Great video. Such clear explanations coupled with good demonstrations and good camera close ups
Great info on accuracy!!! I hope I can retain these tips when I start my next project.
Just ordered the Marking knife and Gauge from your website! Can't wait to use them.
Great stuff dude. Clear and to the point. Been using these tips for years.
Every new woodworker should watch this video multiple times before picking up a tool and again after getting started. I learned some of these things the hard way. That, plus many of the guys in my local woodworking club say that woodworking is not that accurate. They scoff at William Ng using a feeler gauge. Good on you AND William!
Ok, you got me. I just ordered a marking knife, and a few other things from your site. Thanks my dude
Thanks for suggesting the Blem PEC combination squares on Tay Tools. I ordered the 300mm Metric, $40 bucks, got it today, checked for square, and WOW, spot on!
I have been looking for a decent combo with all sides metric for a while. One of the hang ups I had was not knowing if I wanted to the hardened steel or cast iron body. The Blems on Tay Tools are the cast iron body, so I get to try it out for a very very decent price. All of my cheapo combo squares are now out of square after lots of wear, I hope the cast iron body holds up better.
So thanks again, that suggestion really helps me.
Another great video. I need to get a nice square. I have some of these techniques from cutting dove tails from your videos. Thanks for the reminder. I’ll be reaching for my marking knife more often now
Cool tips, thanks!!! Also helps when you don't see so well anymore.
Fantastic, Jonathan! Thanks a lot for all the tips! 😃
Stay safe there with your family! 🖖😊
All very helpful tips as accuracy is important and what I always have a hard time with! Thank you!!
I keep ordering tools from his store! I love this guy!
So much good information here! I've only recently started using a marking knife and I have found my cuts to be way more accurate. But what you shared with us here is mind-blowing for me! I don't have enough space here to tell you how thankful I am for this well-produced and informative video. Mad love for Mr. Katz-Moses!!
My sentiments exactly!
Always great! Glad to see some fresh videos. You were missed
Great info as always Jonathan! Trying to get better at going for the knife over the pencil myself!
Outstanding video. Your explanations were clear and easy to understand. Thanks for sharing this one with us.
I love how you are explaining ❤️🔥
Purchased your marking knife after watching this video. No idea why I hadn't gotten one before now.
Another winner Jonathan. Jam packed with great info. Thank you. 👍🏻
Hi Jonathan thank you so much for everything you do, I'm watching from the uk and very new to woodworking and what you do is so Important to people like myself and really appreciate and enjoy watching you show just how things are done you are a real artist thank you. Geoff
I'm in Europe too. Would you share with me what is your table saw?
On the rare occasion I use a hand saw I found about 20 years ago that, after knife marking my line, to chisel a bevel out the whole way down like you started. It really helps the cut start out good for me as I have roughly 0 points invested in handsawing.
EDIT: I have an obsession for marking knives like you do for gauges. To the point where the reason I learned how to forge weld in blacksmithing was to make a "Damascus" pattern welded marking knife. I know have made 8 of them lol.
Very good video. As a cabinet maker, my accuracy is important.
Great illustration Johnathan. Been there done that!!!! Thanks for the awesome content!
Good video!!! Accurate measurements can help you transfer the exact measurement - length and Angeles to the piece that you work on whil you have to make a new part to make it tight fit with out measuring and guessing.
Thanks for this video. This is one of the areas Ive had some unanswered questions about.
Great info for accurate measurements and cuts! Thank you sir
So true!...the digital caliper and a knife has replaced my tape and pencil... Cutting kumiko half lap joints for a shoji screen, using a box joint jig;-18 cuts over a 8ft length, 0.001 inaccuracy would screw up the whole layout. One lesson I learned was to start in the middle and cut the variation in half! Love your vids!
Absolutely appreciate your videos! I'm certain that these videos will linger into the decades for future woodworker's reference if allowed to. Will hit up your shop one of these days whenever my next investment will be. Cheers!
Thank you Jonathan ! I was looking for something to make me more precise when marking / working - you made my day ! :)
I love Taylor Toolworks 👍 My blem 12" combo and 6" double square are in constant use. You are the second person who has referenced using the same measuring device when working. When I did that with my last project, the accuracy was incredible. Most dead on project I have ever created.
Love my center punch as well. I always use it when drilling holes. Got tired of my drill bit wandering, especially in softer wood.
You are one of the first creators I look at when starting a project and need pointers. You are also the person who helped me see how everything is not "perfect". I had an incredibly hard time with that when I first started and regularly wanted to scrap a project. When you stated that the mistake didn't matter, learning how to fix it did, it changed my outlook and helped me become much less frustrated.
Thanks for the great info.
Thanks Jonathan!! This explains why those jewelry box lids never fitted so well! ;). It taught me lots on how to plane in awkward places (to un-square the lid so it fit in the wonky opening). But, now that I have marking gauges and knives I don’t have those problems any more. Well, not as much. Ok…. I’m not perfect. I like to prove I’m human!! I think I have the same marking gauge addiction you have. I ordered one from your new tools store. Couldn’t help myself! Your products are always so nice. Fine tools at a good price. More like exceptional tools at a good price. The exceptional part is the quality to cost ratio. The quality of your products always exceeds the cost expectation.
Excellent information.......thanks for all the tips Jonathan and congratulations on your "new" business!!! Best wishes to you!
Great instructions. Simple and to the point. Darlington, South Carolina
Thank you for that, some great informative content for us beginners 👍🏻
Well your explanation of the thickness of the hook and why the end of the tape measure moves makes total sense. I was measuring for some drawers the other day and my measurement was off by that much because of the way I used the tape measure. Now it makes total sense
I think I’ve been doing it wrong… that movement has always made me nervous, so I always push the tape “in” so that it’s next to the hook… maybe I shouldn’t be?
@@ryanhuff585 correct. Outside measurements use the pull function and inside uses the push function
Extremely valuable tips. Thank you
Superb production value. Very helpful information. So much talent. Thank you for sharing.
One of the most useful videos I’ve ever watched
I like getting my tool in there nice and deep... Johnathan, those are inner thoughts! Seriously though, another great video with awesome tips. I distinctly recall having to remake a chest top TWICE and was still wondering why it wasn't perfectly square to the frame. Very frustrating and time consuming. Thanks for the help hoss!
I like to start with just the tip and then eventually the whole tool.
Great compilation of advice. Thanks!
Thank you for sharing this valuable information!!
This is amazing information 👏 I'm using every single tip that you shared 🎉
Once again great information for someone starting out. Thanks Jonathan. So marking knife.. check. Marking guage..check. Callipers.. check. Square..check. 😁
Awesome info!
Thanks Mr Outlaw!
It’s great to see the CZcams woodworking channels supporting each other. I haven’t seen that anywhere else on this platform.
Great. I mean I knew that the wrong imprecise cuts on the long run could mess up perpendicularity and alignment in general. But damn. 0.3° shown such error, wow. Impressive. Keep it up man. Waiting for my second apron. Got one before for my dad.
You read my mind! Was going to ask if you’d consider doing an updated video of the combination square/extreme accuracy video you made a while ago! Wanted to see if you changed your mind or used anything new
Great tips video , the dovetail jig i just got works great my dovetails still dont look perfect but man they are geting better before they looked more like a crooked finger joint lol
Very useful information! Also you are the first CZcamsr ever to correctly point to the links in the upper right corner of the screen :-)
Great tips Jon! Thanks!!
I needed this video - thanks so much for great info!
super satisfying to watch!!!
Excellent! Highly informative.
Man......you're a hell of a teacher
Love the videos, lords of useful info in everyone. Love the new site and all the wonderful tool options. I only wish you had setup the ability to setup a "wish list" on the site. That way my wife can go in on my browser and see which tools I want, which ones I have and which ones to get me for birthday, Christmas and fathers day
Great explanation, well done
Great presentation as always Jonathan. One point worth mentioning is that you're assuming there is no run-out with your Drill press quill or no run-out with your table saw shaft.👍❤
Well, that's something you should address on day 1 of buying a new/used tool. I have a great "Tune Up Tuesday" video series about making your power tools perform perfectly.
Great information! Time to buy everything!
Well done, coach!
Beautiful work
Awesome video! I just bought a marking knife and some good t-squares. The whole pencil marking was terrible and very frustrating. I'm not sure if it was the pencil line or the square was off - or I have crap tools. I'm digging making the grove thing. I think Hopefully with these additions to my toolbox, woodworking will be a more pleasurable experience for me.
Wonderful video. I'm curious, though, how often do you check the accuracy of your tools? Not only the table and miter saw, but also your combination squares? Before every project? Once every few months? Randomly?
Thanks! Much appreciated.
Helpful stuff! Thanks!
Woooooo!! Beautiful brother, love it. Thanks for sharing🙌✌🤘