This method is good, but you have one problem with the math. M should be A+A+A+A, not A+B+C+D. It does not matter how long is B+C+D. The error of the fence angle is 1/4 of the angle made by E-F (delta) over the length of the last cut (A). If you are cutting a square piece the result is the same but if your test is a rectangle it's not.
Смотрел на немецких и английских сайтах,но вкурил окончательно только на этом....остроумная затея с журналом,хотя ,конечно проще воспользоваться щупом.Голь на выдумку хитра!Спасибо!!!
132 pages front and back so really only 66 pages. Also you did a lot more math than you needed to, you only need to measure against the last cut and then divide by four. (A-B) ÷ 4 ÷ Length of 5th cut x Distance between pivot point and the point of adjustment = Error. Credit to William Ng.
03:26 - I calculated the thickness of the sheet (not page). Your logic is correct if sides A and B are equal. If the workpiece is rectangular, then it is necessary to measure 2 sides.
so based on William NG formula and this video measurements, the error is -0.1870222929936306 ? not 0.16 ? not criticizing anyone lol just trying to learn this method
Super, Excellent and wonderful nice, beautiful accurate work, I like it, you are my favourite and you are evergreen, Thank you for providing me the best knowledge and amazing video, Zafar from Quetta Pakistan
Коллега, в математике процесса есть небольшой конфуз. L = расстоянию между крайними шурупами, а не длина заднего упора. Конечно на точности метода это почти не скажется, но ...
Не понял зачем нужен 5-й рез если общая длина пропила (М) считается по сумме четырёх. Дельту можно определить по разнице размеров отпилка после четвёртого реза.
Usualmente no. Pero de alguna manera puse una pieza ancha y pesada de madera contrachapada (casi en todo el ancho del carro), para cortar, lo que necesitaba empujar el carro hacia atrás lo más posible. En este caso, debe tener cuidado de controlar la posición horizontal del carro.
This squaring up method only works if the guide rails have zero backlash. It would be better to start by checking how much backlash exists in the rails using a magnet backed dial indicator.
Why cutting many times? By far simpler method I use: 1) set the pivot point on front fence 2) Start machine, raise slowly the blade until it shows the cutting line in the middle od sled and forward. 3) turn off machine and use combination square or 90 deg ruler to adjust the front fence to the cutting line. Cannot be simpler.
Your stated process is a starting point for the five cut process. Your process relies on how good is your six inch by twelve inch combination square and how good is your eyeball at judging your square gaps. The first four orderly cuts sums the errors of each cut. The fifth cut yields a strip of material with the sum total error. You now measure the width difference with a precision measurement instrument like a digital caliper, vernier caliper or micrometer. You divide the difference by four to calculate the error per cut. Dividing by the length of the strip yields taper per inch. Now multiplying this taper per inch by the distance between your pivot point to your adjusting point on your cross fence gives you much finer adjustments per inch. You can’t possibly see this fine of adjustment with a square.
@@michelmontgomery939 There is no need for finer adjustment when 0,1mm is the error. In carpentry, that error does not count because bending of fence and blade comes into play. There is nice video where one carpinter say - 5cut method is brilliant, do not use it!
and he's maths is way more complicated than the William Ng's method (A-B)/4/length of cut off rectangle = error per mm. Use that to adjust from pivot point. Also that pivot should be a point not an edge. I'm sorry this is a poor video
На последнем этапе главное не зрение - лучше наощупь, за уступ в 0,3 мм прекрасно ноготь цепляется. Штангелем тоже вариант, но как я показал быстрее и нагляднее
I know that William Ng is a popularizer of this method. His video - ua-cam.com/video/UbG-n--LFgQ/v-deo.html - is the oldest and most popular video on this topic on UA-cam. Perhaps he is the author, but I do not know for sure. My friend says that a similar method was used in the USSR. Perhaps this is just a fictional story, I don’t know for sure)
@@MazayDIY from the book "Shakespeare and Geek Culture": Vladimir Nabokov has the hero of his novel Pnin tell the class he is teaching that Shakespeare was much more moving "in the original Russian".
first of all it’s ridiculous to try and tune your table saw to within a couple two or three thousands lol using a machinists square which is totally accurate to square your fence to the blade is as good as you need. fussing over a couple thousands is insane, you’ll never notice it in a joint or anywhere. I’ve been woodworking and building furniture for over 40 years and have never used this method, seriously lol
This method is good, but you have one problem with the math. M should be A+A+A+A, not A+B+C+D. It does not matter how long is B+C+D. The error of the fence angle is 1/4 of the angle made by E-F (delta) over the length of the last cut (A). If you are cutting a square piece the result is the same but if your test is a rectangle it's not.
i like you tom
You are smart, and you provide great services
I am following you from Riyadh, Saudi Arabia
Thank you
Video make perfect sense once I read your .pdf, Super helpful!
Смотрел на немецких и английских сайтах,но вкурил окончательно только на этом....остроумная затея с журналом,хотя ,конечно проще воспользоваться щупом.Голь на выдумку хитра!Спасибо!!!
132 pages front and back so really only 66 pages. Also you did a lot more math than you needed to, you only need to measure against the last cut and then divide by four. (A-B) ÷ 4 ÷ Length of 5th cut x Distance between pivot point and the point of adjustment = Error. Credit to William Ng.
03:26 - I calculated the thickness of the sheet (not page). Your logic is correct if sides A and B are equal. If the workpiece is rectangular, then it is necessary to measure 2 sides.
@@MazayDIY not true! Only the last length matters. It can be a rectangle. Check out his video
so based on William NG formula and this video measurements, the error is -0.1870222929936306 ? not 0.16 ? not criticizing anyone lol just trying to learn this method
Sin palabras!! Excelente hermano...un abrazo
Thank you for providing the pdf with the formulas.
Yes, thank you! That's a very handy reference to have on hand!
Super, Excellent and wonderful nice, beautiful accurate work, I like it, you are my favourite and you are evergreen,
Thank you for providing me the best knowledge and amazing video, Zafar from Quetta Pakistan
Коллега, в математике процесса есть небольшой конфуз.
L = расстоянию между крайними шурупами, а не длина заднего упора.
Конечно на точности метода это почти не скажется, но ...
Андрей, согласен полностью. Спасибо за замечание.
@@MazayDIY А в целом спасибо за донесение идеи. КЕак раз новая пила пришла и надо делать каретку.
Спасибо за информацию и за ваш труд.
Thank you. Effective explanation🙏
Ни хуя не понял, но очень интересно!
Это тот случай когда математик решил стать столяром.
а вумный как утка, остальные все дураки
Не понял зачем нужен 5-й рез если общая длина пропила (М) считается по сумме четырёх. Дельту можно определить по разнице размеров отпилка после четвёртого реза.
Ei campeão tu tem que mostrar os cálculos e porque a regulagem foi do teu lado esquerdo porque não foi do outro lado.
Esta guía es propensa a los rebotes? me refiero al trineo por si solo.
Usualmente no. Pero de alguna manera puse una pieza ancha y pesada de madera contrachapada (casi en todo el ancho del carro), para cortar, lo que necesitaba empujar el carro hacia atrás lo más posible. En este caso, debe tener cuidado de controlar la posición horizontal del carro.
very usefull video. tq verymuch
Что за моду взяли все делать молча,показываешь,объяснял,а так нормально вроде
This squaring up method only works if the guide rails have zero backlash. It would be better to start by checking how much backlash exists in the rails using a magnet backed dial indicator.
and use something other than plastic calipers :)
Красавчик!
thank
Why cutting many times? By far simpler method I use:
1) set the pivot point on front fence
2) Start machine, raise slowly the blade until it shows the cutting line in the middle od sled and forward.
3) turn off machine and use combination square or 90 deg ruler to adjust the front fence to the cutting line.
Cannot be simpler.
Because this is not 100% accurate. Do what he's demonstrating in the video and you'll quickly see that.
Your stated process is a starting point for the five cut process. Your process relies on how good is your six inch by twelve inch combination square and how good is your eyeball at judging your square gaps.
The first four orderly cuts sums the errors of each cut. The fifth cut yields a strip of material with the sum total error. You now measure the width difference with a precision measurement instrument like a digital caliper, vernier caliper or micrometer. You divide the difference by four to calculate the error per cut. Dividing by the length of the strip yields taper per inch. Now multiplying this taper per inch by the distance between your pivot point to your adjusting point on your cross fence gives you much finer adjustments per inch.
You can’t possibly see this fine of adjustment with a square.
@@michelmontgomery939 There is no need for finer adjustment when 0,1mm is the error. In carpentry, that error does not count because bending of fence and blade comes into play.
There is nice video where one carpinter say - 5cut method is brilliant, do not use it!
@@priscwy794frag 100 microns in one millimeter would be a significant error.
@@michelmontgomery939 It is 100 μm over whole sledge fence, not over 1mm.
What kind of pen is that?
الحمدلله ماشاءالله الحمدلله
Search - table saw sled 3 cut method
Was I supposed to learn this at school? 🤷♂️
2 pieces of paper is acceptable to me. I wouldn’t have bothered moving it
All I seen was a sheet of number's and you didn't explain anything,that video sucks,what order of operation did you calculate the numbers.
I leaned nothing because you didn't verbally explain anything. No why's, wheres, when's. Terrible!
What is the purpose of this video? You didn't explain anything.
and he's maths is way more complicated than the William Ng's method
(A-B)/4/length of cut off rectangle = error per mm. Use that to adjust from pivot point. Also that pivot should be a point not an edge. I'm sorry this is a poor video
The 3 cut method is way easier. Requires NO math.
Não adianta estes cálculos tu não explicou nada ninguém entendeu nada
Bota pelo menos letras grande para que agente exergue
Your not telling me anything ? No explanation...waste of my time
Vas a ir a Marte? 😁🤣🤣🤣🤣 con tanto calculo.
Ну что сказать , вумных к вумным , а дураков к табе
А чо это вы тут делаете-ааааа?
Метод последнего измерения никуда не годен. Почему бы не измерить штангенциркулем, раз уж он есть? Разницу в 0.3 мм на фанере тяжело увидеть.
На последнем этапе главное не зрение - лучше наощупь, за уступ в 0,3 мм прекрасно ноготь цепляется. Штангелем тоже вариант, но как я показал быстрее и нагляднее
Что за моду взяли все,все делать молча,делаешь обьясняй раз показываешь,а так интересно
SPEAK!!!!
Is square really that important?!? Lol dang!
Try to make a box, than you'll find out
A whole long letter writing but no explanation
What????
I give you 2 dumbs down
Ripoff of William Ng’s video.
Sorry but I was lost.
This is useless without audio.
Молчаливый колдун
LOL OMG are you kidding me?
You should give credit to the original developer of this technique.
And who is he ?
I know that William Ng is a popularizer of this method. His video - ua-cam.com/video/UbG-n--LFgQ/v-deo.html - is the oldest and most popular video on this topic on UA-cam. Perhaps he is the author, but I do not know for sure. My friend says that a similar method was used in the USSR. Perhaps this is just a fictional story, I don’t know for sure)
@@MazayDIY from the book "Shakespeare and Geek Culture": Vladimir Nabokov has the hero of his novel Pnin tell the class he is teaching that Shakespeare was much more moving "in the original Russian".
first of all it’s ridiculous to try and tune your table saw to within a couple two or three thousands lol using a machinists square which is totally accurate to square your fence to the blade is as good as you need. fussing over a couple thousands is insane, you’ll never notice it in a joint or anywhere. I’ve been woodworking and building furniture for over 40 years and have never used this method, seriously lol