I Over-Engineered this Machine, cause Manufacturers Didn't

Building this oscillating edge sander was absolutely crazy. I hope you enjoy the journey.

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Chapters
00:00 Machine Features
02:34 Oscillation mechanism
19:32 The sled
30:17 The carriage
33:03 Height preset mechanism
41:34 Trunions
50:44 Table
57:05 Belt tensioner
1:14:26 Dust collection
1:16:42 Sanding spindles
1:19:48 Let's summarize

Enjoy the video!

DISCLAIMER: Part of this video was sponsored by JLC3DP
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#engineering #woodworkingtools

[NicksStuff]

When a *German* *engineer* tells you he's over-engineered something, you're in for a real treat!

[brandonharjer]

I can't think of high enough praise. There exists no better combination of engineering, functionality, storytelling, humor, filmography, editing, ad infinitum. Free on YouTube. Amazing.

[matthiaswandel]

wow, epic build. I see why it took as long as it did! Loved the 3d printed gearbox cutaway view

[rfoline]

My family’s owned a manufacturing business for 4 generations, and I’ve personally been involved with over 100 companies myself, from product introduction, alpha and beta prototypes, all the way to DFM for mass production. I can affirmatively state that in this one video you’ve done more than many engineers may do their entire career. Very fun to watch as well!

[PaleoHikerMD]

This video is why YouTube exists. There is absolutely nothing on TV as entertaining and gratifying.

[TheGodCold]

Holy shit, 1.5 hour video from Marius? Christmas came early!

[-szega]

24:40: It's a retrofit in the design to comply with DGUV, which says table saws must come to a stop within 10 seconds. I honestly can't find the specific requirement spelled out in 100-500 any more (it used to be, see VBG 7j § 12), but 100-500 references EN 61029-1:2000-02 and EN 61029-2-1:2000-05, either of those should have it.

[EUC-lid]

Feedback: This is THE most impressive build video I’ve ever seen. Humor, education, solid narration, an incredible result, seamless Ad integration, and all in 1 video.

😮

[georgemccune]

In regards to your fan blade question. Those are anti-static fan blades. A static electric arc discharge could ignite the wood dust in the air around the fan which is highly explosive. The motor is either brushless or induction type to eliminate the risk there as well. As far as the explosion factor the danger zone where wood dust is a significant risk is when the average particle size is less than 200 microns, and where as little as 10% of that contains dust less than 80 microns. So I will leave you with that info as well as my personal recommendation for you to put those contacts back in the fan blades. Hope this helps.

[psibiza]

i just realised I just watched an 80 minute video about engineering and building a machine I never needed and will probably never need in my life. But I enjoyed it very much.
I very much appreciate you didn't turn this into a 4 episode series of 20 minute videos. Instead you put in all the effort into creating an epic video about constructing an epic machine and the result is one of the best videos that exists on Youtube. I really hope that making videos and things the right way instead of optimising them for maximum profit or monetisation somehow pays off.

[sprinvntrdd]

Bravo! I have watched you grow up. From an enthusiastic young woodworker building Mathias Wandels bandsaw, through the years to ever more complex projects. And, now you have become a sincere, articulate, humorous, interesting, educational and informative teacher of engineering concepts and innovation. I think you have made a wonderful transformation of yourself into a master craftsman as well. Not just in the projects, but videography, project planning, technology utilization, and resource utilization. You have turned yourself into a one-man university for autodidacts. I highly commend you and your great parents. You are the blessed son all would want to have. May you "prosper and be in health, even as your soul prospers". Peace be upon you always. And never stop teaching and sharing.

[MrZed]

I'm going to be honest, I got to the 1:22:00 mark when you asked "Was the video too long?" and I thought "I didn't think it was too long, really good and dense 30 minute video right?" and saw the time. This was an AMAZING video and really shows all of your skills from the great engineering, the wood working, the machining, etc. Truly keep doing what you're doing and inspiring me and many others!

[bridgewilliams]

I started the video thinking, ‘1.5hrs?! Way too long’…..1.5hrs later, I reckon I could do another hour. Marius, you’re a beast.

[bigburlymikesmswoodworking]

With something this complex, shortening the video would have been an injustice. Bravo on a magnificent build.

[zenmaster_g]

I agree with the majority of the comments below. Your skills are simply amazing. I am 60 years old and am an electrician however my father was an engineer. He would try and explain the function and design of certain machines when I was young and I had little interest. Now I wish I had more time with him after watching your posts. You have a rare gift Marius, and i am sure you have inspired many to use their minds to be creative and productive individuals. Keep it up and thank you for the best content on the tube !!

[MojoSpoon]

Marius. Du hast sie doch nicht mehr, alle - das ist doch völlig verrückt und total aus dem Ruder gelaufen - und das meine ich im positiven Sinn. In 5min dieses Projektes steckt deutlich mehr Hirnschmalz, als 90% der "Heimwerker"-YTer in ihrer ganzen Youtube-Karriere auf die Kette kriegen. Selbst wenn du die Baupläne veröffentlichen würdest, würden die meisten, auch gestandenen Heimwerker daran scheitern, da kommt alles zusammen - unfassbares technisches Verständnis, Materialkunde, handwerkliches Geschick, Umgang mit Maschinen, jede Menge Geduld und Ehrgeiz, so ein Projekt auch wirklich fertig zu stellen - kompromisslos.

Der absolute Wahnsinn, meinen Respekt. German Engineering ist vielleicht doch noch nicht verloren.

[T____K]

dude, you put half of your life into it, you didn't only keep up a high standard throughout the project but also in making this video... you have my deepest respect for not giving up and sharing this journey with us, it is a pleasure to watch !

[DanteYewToob]

18:22 That sharpie bit is mindblowing!
So cool!
This whole project is incredible!

[malschauenwasdasgibt]

Selten habe ich hier oder überhaupt jemanden gesehen, der derartig gut und vorausschauend entwickelt und arbeitet. Absoluter Respekt für dein handwerkliches können und deine Fähigkeit, so ein Projekt in dieser Qualität umsetzt.

[NamelesshunterGaming]

Marius, I am a woodworker/ furniture maker, and this is the best belt sander I have ever seen, you touch up on every point I dislike on other machines.