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Metric 5 Cut Method - How To - Made in Norway [0055]
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- Опубликовано: 14 авг 2024
- In this video I show you #howto do the #5cutmethod in the #metric system.
This is a video series where I set up my #woodworking workshop and mancave for #DIYprojects and use skills I learn on youtube to do so. Also I hope that you will contribute, as the community here is great for sharing knowledge. These are not howto videos, but rather a #docuvlog of my learning experience through social media. I hope you will come along for the ride.
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Table Saw (DeWALT DWE7485-QS):
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Grooving Blade (6mm):
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Digital Angle Gauge
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Metric Dual Sided Tape Measure:
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UK: amzn.to/31Ne9s2
Kreg Pocket Hole Jig:
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UK: amzn.to/2NYsVUs
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Music:
Pepper's Funk by Audionautix is licensed under a Creative Commons Attribution license (creativecommon...)
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![Basic Crosscut Sled for my DeWalt DWE 7485 - Made in Norway [0059]](/img/1.gif)
YOU ABSOLUTE LEGEND!!! Thankyou very very much!!!
Thanks mate! I am so glad it helped :-)
Stort tack för en bra video!
Så flott at du likte den :-)
Finally found a very coherent 5-cut method in metric with a proper relaxed explanation of how to do the maths. And its with my beloved DeWalt '85. I have no excuse but to make one now. Thank you!
Nice to hear that you found it helpful :-)
감사합니다.
Thanks a lot! I am really glad you liked the video.
That's what i was looking for. There are plenty of that type of videos but not that much in metrics. Thanks
Cool :D Yeah, I found that all the videos were in imperial, so I thought this could be useful. Cheers.
A classic. Thank you for a calm and detailed step by step demonstration.
Now we have no more excuses for using a 'trusted set square' and guesswork.
Other 'Makers' should take note.... and add link to your explanation when they avoid the issue at the end of a sledge build.
Well done and thank you again.
Thank you! I believe the method is well known, however most explanations were in inches. And when the fractional inches are mentioned I can't follow any more :D Cheers, and thanks for watching and commenting.
Simply superb, thank you! Was chasing my tail, watched your vid and got it dialled in to 0.0019mm/cm the first time #subscribed as well. So much easier in metric too!
Hi Steve! I am glad it helped. Believe it or not, but when I built my second sled I had to check the video again see how to do it :D
Glad to have you on board. Cheers.
Thanks for the civilised (metric) explanation. Also like how you adjust the fence. Should have watched this before I went out and got the gauges.
Thank you! I wouldn’t worry about the feeleg gauges though. You will find lots of use for those in the workshop. Cheers and thanks for watching and commenting.
You made it sound so simple, thanks for going over the math!
Thank you! The math is quite simple. But it also helps you to know what the numbers actually mean. And what the process is. That way you can use it on any saw. Cheers, and thanks for watching and commenting :D
Heja Norge, hello from Denmark. Super useful and well explained method. Thank you for this and you have a new subscriber
I thought it was time to get a metric version out there :D Cheers, and thanks for watching and commenting.
Hi nice explanation. In the calculations you should use only mm or only cm, in this case the difference cancels out but it's naughty. Thank you, good video
LOL :D I like to be naughty :D To be honest I differentiated them to keep track of my units of measurement. Because a mm / mm would cancel out. This way I was able to understand the process. But I guess you are right, though ;-) Thanks for watching and commenting. Cheers.
Thank you for this great video. Im buying this table saw tomorrow and ill be making this sled aswell. How do you find this table saw for that matter, is it a good one? Is the dewalt fence system second to none as most of the reviews says? Greetings from Sweden
Congratz on the new saw! I made a review of the saw in this video: DeWalt DWE 7485 Review - Better than SawStop? Is it as good as they say? [0065]
Thank you for sharing how to do this using a sane system of mesurement! All the other videos I could find were in ancient sanscrit or something! Very helpful. My sled is 0.8 of a MM out of true. Do you think that is worth trying to correct or should I just leave it alone? Thanks dude.
Thank you :-) My rule of thumb when doing this is to correct it until the amount I have to move the fence is too small for me to do reliably. However, only you know what kind of accuracy you need for your projects.
One thing you could think about is that this is an angular error. Meaning it is 0,8mm over how long a cut? If it is a short cut, that may be a lot. But if it is long, then you are probably ok :-)
Cheers, and thanks for watching and commenting.
Now I only can guess how presise you are cutting your slices of bread at home 🙈
P.s. have you already ordered a "digital one" ?:) Nicely explained, my carpentry teachers would have liked it too:)
Bread cutting machine :D Now that is an idea! I haven't ordered a digital one, but I have been looking on Amazon and Ebay. There are left-handed ones.
Mulig jeg tenker feil, men om du hadde 31,3 og 31,6 på prøvebiten din, så var vel differeansen 0,3 mm på dens lengde? 0,3/30’2 x 100= 0,994 mm feilkutt på en meter?
Hei!
Det er lett å ta feil av dette. Men prøvekuttet har en feil som blir multiplisert av de 4 forutgående kuttene. Det som gjør denne metoden så genial er at du får gjort feilen større slik at det blir mulig å måle noe som eller kun ville vært mulig med mer avansert utstyr. Takk for at du kikker innom :D
Also, besides multiplying the angular error for precision, the five cuts square themselves. You can start without any straight angles (or edges) in the material and then you don't need a right angle for measuring the millimeter difference either. (The method itself is essentially just finding two similar right triangles and equating their tangents and has nothing to do with the system of units used.)
There's technically an error introduced with the division of the difference (ratio/tangent) by four instead of the angle, but the angle is so small that the errors in measurements and adjustment precision are likely to dominate anyway (a bit like the way opticians simply sum up the lens dioptres).
Sorry, I don't trust my Swedish to communicate the above.
Yes, it is a great way to square up your tool :-) And I thought I’d show it using metrc, as there are so many showing it imperial, and it may be easier to just follow the method if your math skills not top notch.
I recently built a new sled for my cabinet saw, and got that one extremely square using this method. But it has a alonger fece, so it is easier.
Cheers and thansk for watching and commenting.
@@NomadMakes How precise did you get it?
Come to think of it, you can make 4n+1 cuts to multiply the angle by 4n and improve the accuracy. Of course, you're losing material on each cut and making your measurement less accurate, so you'll want to keep the slices thin. (Edit: bad idea, creates final angle in slices that need to be measured/cut together)
At some point, you'll also want to start dividing the angle instead of the ratio, but I wonder what that point is. I guess the measurement error for n is something like lateral_measurement_precision/(4n*length_measurement), so you'd want (edit: the tangent-multiple error, corrected) abs( tan( actual_angle/(4n)) - lateral_length_measurement_ratio/(4n)) to be smaller than that in order to keep the total error at maximum of double that, right?
@blechtic Hi again!
One of my goals with the video was to make the method accessible for most woodworkers. Making it possible to follow the method without a deep understanding.
While I haven’t looked into the equations, you have to bear in mind what factors you are practically able to affect. For instance, a long 5th cut and a long fence are what gives you good results, and the fact that you multiply the error by 4.
I don’t remember how accurate I got this sled, however I am sure I mentioned it in the video.
But I just built a sled 2.0 and got it to where the cuts needs to be 3,68m before the cut is 1mm out.
If you want it very accurate. Doing the method 2-3 times will yield better results than more accurate math, due to tolerance creep.
Keep re-adjusting until you «overshoot» and then ease back.