never thought I'd see the day... Robrenz cutting corners!!!

@ROBRENZ

4 жыл бұрын

The whole world is going to hell in a hand basket!

@OVERLORD-ji2id

4 жыл бұрын

My two Dads in the same place...

@douglastedder1694

4 жыл бұрын

wheels are really falling off...

@SneakyMcBastard

4 жыл бұрын

Less commenting more creating plz.

@georgehill9353

4 жыл бұрын

Dammit I just spit my coffee

Brilliant design - Next a miniature routerbase for the Airgrinder to do contourwork? I am glad you put this video together, despite the pieced together appearance - It has so much information it it, it would be a tragedy not to put it out. Thank you!

@ROBRENZ

4 жыл бұрын

Thanks Stefan, I made the router base for it years ago and I do use it for contour work but this is much better for straight chamfers. I need to try it on hardened parts to see if the burr will hold up for a reasonable amount of time. ATB, Robin

@zumbazumba1

4 жыл бұрын

@@ROBRENZ Did you bought those burr bits ith ball bearings or are they home made(how if they are?)?

@ROBRENZ

4 жыл бұрын

@@zumbazumba1 I showed grinding the burr down to hold the ball bearing later in the video.

@lrakschmidt2880

4 жыл бұрын

Time flies - it was about 4 years ago I saw Stefan's YT clip on making a chamfering tool. See kzread.info/dash/bejne/f2ykrqefe73fZNo.html I liked the idea of Stefan's use of an end-mill - which one to build?

Robin -- you could ramble incomprehensibly for 30 minutes with no cuts and many of us would love it just the same. Your generosity with knowledge and problem solving is greatly appreciated.

You really exemplify the saying: "To bake an apple pie, first you must create the universe"

"It's not a watch..." As an amateur horologist, I can tell you that your manufacturing is on par, if not better than most high-end watchmakers.

If I had something like this I'd spend all my time finding things to chamfer. Fact.

Not to knock all the other youtube machinists, but when I see a Robrenz or Gotteswinter video pop up, I feel blessed with an extra special treat.

@jellyfishbones0

4 жыл бұрын

amen

I wish you worked with me...I would absolutely wear you out with requests for advice. You're a master of your art Rob.

Great work as always!! And yes thank you for uploading the video... we are happy to get content from you, doesn’t have to be perfect editing 👍🏻

Watching those gorgeous chamfers is oddly satisfying. The perfect geometry of three corners meeting so nice......so so sweet.

Can not get enough of your videos sir!! You are the man!

Just an absolute joy to watch, what I would consider, an absolute MASTER at work. It is appreciated showing the work and setups, but what I get the most out of is sharing your thought process as you go. This helps me to understand the work being done, but more valuble the application of the principals that translate to other projects. Thank you for taking the time to share. Your scraps are worth more to me than most people I watch cool tips.

Beautiful what you can make for yourself with your skills and tools. I suspect that would be a few $1000 tool if I had to pay you to make me one. You will enjoy it every time you need to chamfer something though. Well done tool that is almost art. The explanation of the whole design and manufacturing process was as valuable as the tool (applicable to making anything).

@ROBRENZ

4 жыл бұрын

Thanks Barry!

Whoa never knew you could plunge cut with a surface grinder!

@Goodwithwood69

4 жыл бұрын

Some great builds on here mate, his mindset is like Yoda.

If your belt sander based tool is the Chamfer-Meister, surely this is the Chamfer-Mistress?

I thought to myself “I wonder where ROBRENZ got those step up shims”... of course he made them. I never would have thought to use a surface grinder to hog material like that. Very cool and great job stitching the videos together. Thanks for sharing

I wanna be just like you when I grow up lol.

That is an amazing amount of work for that little monster, but damn does it look amazing and the results are brilliant. That's awesome Robin.

@c4fishfood

4 жыл бұрын

It is beautiful! Robin- did you track the approx. hours to design and build?

@ROBRENZ

4 жыл бұрын

Around 3 days work.

Another great idea and video! I may have to adapt this idea to one of my NSK grinders.

@ROBRENZ

4 жыл бұрын

You should! Thanks for watching Peter. ATB, Robin

Your attention to detail and problem solving are on another level!

And my next 29 minutes have been allocated to this video. Coffee can wait.

@ericg7044

4 жыл бұрын

I just finished making my coffee so I'm good to go!

Pure Genius! Thanks for the tour.

Very Impressive! that is quite a time saver you've created Robin! The thought and work that went into your "Chamfer meister" is amazing. I hope The burr lasts for you.

15:38 you can do that on an ER collet too, but you have to have the same diameter plug at the other end of the collet so it squeezes parallel to the shank and not cockeyed which would mean no grip. Easiest is to make a few flanged plugs that you can insert at the other end, the flange holds it in place while you screw the collet in tight.

Amazing work, and the resulting chafers are beautiful. Totally worth the time it took to make the tool. You make me embarrassed to call myself a toolmaker. The only downside of this video was being taken back to unpleasant memories at the dentist.

This is one I’m going to have to watch a number of times, Thanks Robin

Like always a great video thanks for sharing sir and thanks for your son for a great idea

@yawpaw9796

4 жыл бұрын

I wonder if the boi has some kind of inventive nature and voice

This looks like the prototype for the new Renzetti Machinist's Router. Available soon at a tool dealer new you. 😉

Holy cow, I wish I could buy one. This tool would be such a time saver.

Great job Rob, I can see that design being scaled all over the map for hand chamfering, what a great shop tool, cheers!

Absolutely loving the regular uploads!

You're a very clever man Robin. Thank you for your inspirational content and processes. I can't help but wonder if this is a silent challenge for Tom (after his recent videos). Stay safe and well :)

@johnjohn-ed9qt

4 жыл бұрын

I saw this video and the question went through my head: When they skype, do they sing "anything you can do, I can do better"?

@ROBRENZ

4 жыл бұрын

Definitely not a challenge!

@AJR2208

4 жыл бұрын

@@ROBRENZ Lol :)

I like the idea I like the design some of smallest tools are used the most. I follow every step. In making this tool. Now I need to REsort out my priorities. Thank you for making this excellent technical video. Now I’ll dig out my air grinder.

Thanks so much for taking the time to piece this video together!! So much great information from a single project, you really are a Master!!

@ROBRENZ

4 жыл бұрын

Glad you enjoyed it!

Always wanted to build a deburr tool, doing a looot of deburring, now i pretty much have a plan how to do it. Thx a lot mr. Renzetti, you are a true master 🙏🏼

You are a machining prodigy....! Thanks for showing us WHAT YOU DO, and HOW YOU DO IT....! Keep the coming....!

That's a great idea, reminds me of Stefan's bench mounted chamfering tool, but great to be able to freehand👍 As an aside, as a Brit, it's comforting to hear that you pronounce the "ch" in "chevron" like we do! (We pronounce the "ch" in "chamfer" the same way - same thing goes with "chassis" neither is "right", just making observations 🙂)

@patricksworkshop6010

4 жыл бұрын

Stefans tool was based off of one of robins original idea

@2lefThumbs

4 жыл бұрын

@@patricksworkshop6010 a detail I might have overlooked or forgotten👍 He's stepped it up in collab with his son though, great work here

You and Tom Lipton must have done a Vulcan mind meld. He made a chamfering device and posted the video yesterday. Both amazing videos, thank you so much for making this video.

Real nice tool geometry and fixture design in one example .you are so thought prevoking . Thanks content qaulity and cinematography two different things If the content is good you could do it in your long johns , woulde'nt complain about anyone trying to help me and you and the community on youtube just wow . making a toolpost grinder with a coolent trough thinking 2- 1 gallon lab jugs the level switch trips the spool valve and presurizes the other jug the old feed jug becomes the return spool valve

Awesome chamfering tool and your absolute precision approach is insanely satisfying. For micro fillets I use a hard #400 grit polyurethane rubber (infused with grit) die grinder cylindrical tools.. can't remember where I bought them (come to think of them, I never saw them anywhere else than at that glass artists shop) but man it's so easy to make delicate shiny small rounded corners on all your precision parts. Sort of like cratex, but higher grit and larger diameters + much much cheaper (cratex products are criminally expensive).

@akfarmboy49

4 жыл бұрын

chronok good info

I loved how the three chamfers intersected!! Any chance for a short video on how you lapped the threads? BTW, I rather watch these “pieced together” videos all day, than no video ;)

@ROBRENZ

4 жыл бұрын

Possibly!

An enjoyable video Robin... Thank you...

@ROBRENZ

4 жыл бұрын

Glad you enjoyed it

Excellent design and very useful tool! That would definitely sell. I would certainly recommend considering a CNC run, providing the air tool used is still readily available.

That's slick Robin. Thanks for taking the time to make this video.

@ROBRENZ

4 жыл бұрын

Thanks and thanks for watching Steve! ATB, Robin

All these videos tell me I need a grinder to do stunt grinding on and a bunch of diamond wheels. 😎 Will have to keep my eye out now!

@ROBRENZ

4 жыл бұрын

Thanks for watching Brian! Yes you need a stunt grinding machine. ATB, Robin

Just fantastic work! I love how you casually made your own tiny collet as if it was no big deal!

@ROBRENZ

4 жыл бұрын

Thank you very much!

I can't tell you how valuable your videos are - just awesome content.

Amazing build Robin! Thank you.

Many thanks Robin. Thanks also for the free Solidworks modeling tip! I usually use circular extrusions dimensioned by equations, but I can see the benefit of the revolve in some circumstances. I think that's more a Renzetti precision grinder than a Dotco now ;)

Excellent tool. Fitting video. Think the most impressive part was to see how you anticipated potential problems and designed the tool to deal with them. Instead of having to go through generations of prototypes you completed a fully functional tool first time. Wisdom and craftsmanship. Kudos to your son for the idea. I would hazard a guess that observing you work opens the imagination as to what is possible. It seems like a self evidently good idea; but why did no one else come up with it? (Maybe they have tried and failed?)

Thank you for taking your very valuable time to let us look over your shoulder in your shop. As always, full of tricks and valuable insights. I do follow your Instagram (and Stefan Gotteswinters), so this was not entirely new, but still very interesting to watch.

when Robin sais "Not professionaly done", than dont belive him. He arranges chees and meat on pizza :D Well done Rob. I hope you start your product series ASAP, no doubt that your products will sell. Enjoyed the podcast and waiting for next videos. Ihor Hudyma

"That was free".....that was awesome

Thanks for making this video. I assure you whatever you think was missing did not detract from the thoroughly educational standard you've set out to deliver. What great execution of a great idea. Kudos to the Renzettis!

Evert time I watch one of your videos on KZread or look at one of your instagram posts, I’m inspired by the universal precision you achieve in your work. If you are looking for ideas, I’d love to see a review of your Roll-in bandsaw. I’ve seen a couple.of teasers on instagram, that just lead me to wonder what else has been done to improve the precision of the saw? Keep it up, hou are educating a whole new generation of machinists, myself included!

Awesome new tool Robin. Very nice finishes.

@ROBRENZ

4 жыл бұрын

Thanks Randy and thanks for stopping by. ATB, Robin

I'm watching this now so I can learn. When the zombie apocalypse (ZA) starts I'll do my best to carry on this knowledge. (I assume the internet will be down shortly after the ZA starts.) 😖 Your hands tell volumes. #salute

This was an awesome video, but when you mentioned it was your son’s initial idea, I was excited to see him build the tool. I am not saying I was disappointed, because I always learn from your videos but seeing a build from your son would have been extra special. Thank you again for a terrific learning experience.

Thank You - for putting this and all of your other videos together. Your work is second to none. However you acquired your machinist skill set - we should look at that and model some training programs. Please keep the videos (and the knowledge that you are attempting to pass down) coming

This video is above my pay grade.

Great design, and the chamfer quality is gorgeous !

In all seriousness though, I know you like to be humble but you have a gift for coming up with this stuff. The rest of us just bang our heads against the wall wishing we could think of an answer to a problem and you blow it out of the park every time.

@jsteifel

4 жыл бұрын

Robyn is both a machinist and an engineer, There's no doubt that he engineers.

@strangefruit8776

4 жыл бұрын

jsteifel I hadn’t heard him speak to having an actual education in engineering but I agree he’s very well versed on engineering or at least it appears that way to a regular guy like me. He’s very methodical and picks up very well on subtle characteristics. My cousin worked at American Airlines doing some type of assembly and he and I were just talking about how he was paid a substantial amount multiple times through their “good idea” program. It got me thinking if a Robyn R. or Tom L. worked there they would be rich. One of the bigger payments my cousin received was for simply telling AA that they were testing these high dollar engine mount bushings at way too high of pressure and they were destroying thousands of dollars worth of them like every other day. It turned out that they were testing them at like 300,000 lb when they never saw more than like 30,000 lb in under load. That got him a $50k check.

@jsteifel

4 жыл бұрын

@@strangefruit8776 I don't actually know that he has, but he clearly does the math, and engineers evertything he does. He is not just a machinist , or fabricator. He definetly engineers. Much better than some engineers.. because he also knows what it takes to get it done. Where some engineers come up with an idea, but no clue how it can be accomplished.

Out Standing!!! My engineering amdachinkng brain has been collecting dust since my daughter was born! Id rather have more videos than super audio quality. I followed every step👍

Very cool tool! It's a chamfer smackdown! Robrenz vs. Tom Lipton

@adamgalowitz1129

4 жыл бұрын

Robrenz vs. Tom Lipton vs. Stefan Gotsweiler

@mikemorgan5015

4 жыл бұрын

@@adamgalowitz1129 Thank for the addition. Stefan is a master as well. Haven't seen his chamfering entry yet. Cruising over to watch him now.

@ickipoo

4 жыл бұрын

@@mikemorgan5015 He did one years ago - you might have to go back through his videos.

@mikemorgan5015

4 жыл бұрын

@@ickipoo Aha! That explains it. I probably already watched it then. I just noticed that Tom and Robin both did chamfering videos lately and Tom did mention talking with Robin on the subject. I really prefer the longer detailed videos these 3 and others produce. You don't really learn the important details from short form producers.

Beautiful result! No secondary burr. I want one.

Super idea - excellent execution. It will be enjoyable to watch this through a few more times to catch the small details you miss first time ! Quite an inspiration- well done Rob.

I do a fair amount of 3D CAD work, and honestly the trick with including the extended features in the revolve then cutting them back later would have never occurred to me. It makes perfect sense when you consider order of operations while machining.

one of the contractors that I give work too that does mechanical design and fabrication has something like this but the foot or fence or whatever you want to call it has an inside cone instead of 2 flats. I think yours is better in that this should be easier to keep perpendicular to the work. They have one feature your is missing though. They is a T fitting going to a ball valve with 1/8th air hose going to the grinder bit to blow the dust out

@SeanBZA

4 жыл бұрын

I think the air tool Robin uses blows exhaust air out by the spindle, so the air is already there doing a double job of cooling the carbide, now it has a confining volume, and also clearing the debris of the tool use.

Once again NASA level engineering and workmanship used to implement a simple concept.

Beautiful tool! I love the design insights that you share with us -- always providing the thought process and desired outcomes behind each step.

@ROBRENZ

4 жыл бұрын

Thank you very much!

I tried to make a ghetto one of these a few years ago with harbor freight pieces. In my minds eye it worked like yours 😁in reality i couldnt get it to ride the edge and not grab erratically.

That's a tool to manufacture. You could make it out of plastic and sale millions! Actually at first I thought it was way too expensive to make, but when I saw it in use, that paid for the development.

Thats an amazing tool to have. Might build one for myself. Thanks for the influence robin

Great work. How about a version of this for chamfers on rounded Parts? Instead on the platens, two opposing cones could be used to guide the tool. This would ensure constant chamfer size when working on rounded parts and the possiblity to work on inside rounded features.

And what did you do for the rest of the day!!!!

Kickstarter Campaign for this please Sir 👍

That was great, and I like your view on modeling cylindrical parts. One feature for the body versus several or many features to get the same outcome and I agree with you it is easier to edit it. Also this project is is genius. Thanks for the many tips along the way and for sure don't worry about any such details like video or audio quality we like the content quality which is awesome!

Excellent design, great lessons. Thank you, Robin!

Super fine precision work as usual, I enjoy watching, thanks!

That was like watching a symphony craft its own baton. What a remarkable set of processes to create an unbelievably apt new tool. Enjoy its use!

@ROBRENZ

4 жыл бұрын

Glad you enjoyed it!

I came hear from Stefan's channel. You should send him your "gauges" so he can scribe the sizes on them.

Outstanding work as usual.👌 Thanks for sharing your mindset on things.

You are a Master !

Man!!! Amazing idea, Rob, you are the best by far at at of this intricate stuff. You are a a Meister teacher too

Man something at 10 degrees for grinding knife bevels would be amazing. I might look into building something.

great video man. i love the almost clinical nature of your workflow

@2lefThumbs

4 жыл бұрын

Why did you ssy almost? :) (rhetorical question)

Very handy tool and looks well built. Thanks for the video.

I learnt so much from this thank you kind sir 🙏

Thanks for sharing this as a complete story. I missed out on some of the parts on instagram ... I won't even try to build one, my biggest excuse being that I only have Dremel and Proxxon tools which are too heavy to make this a usable and accurate tool. Let's first finish my Positip clone, then a solid tool post for the lathe, then a regular Chamfer Meister and maybe then ...

@ROBRENZ

4 жыл бұрын

Glad it was helpful!

Should send one over to Tom since you sent him over the grinder! He’d definitely get a lot of use out of it.

@zachaliles

4 жыл бұрын

With a little note on how he can get rid of his files now, haha.

@Rob_65

4 жыл бұрын

Nah, Tom will most likely prefer his new cute little violin plane. That little plane pops up about every 5 minutes in his new videos, all other chamfers are done with a file to get back into his Zen state 😂

This is fantastic! Now make a V-block version for cylindrical parts!

Amazing work! 👍🏻👍🏻

@ROBRENZ

4 жыл бұрын

Thanks for the visit

Amazing work! I cringe at the thought of picking those miniature chips out of my hands though.

@ROBRENZ

4 жыл бұрын

The shape of these chips don't stick in your skin like the normal slivers.

@gamingpc3475

4 жыл бұрын

ROBRENZ I was picturing it making those ones you can barely see with the naked eye but can feel every time you touch something. This thing is truly awesome though!

@pyrobeav2005

4 жыл бұрын

We have a pencil air grinder at work and it is pure misery to work on stainless. The little needle sharp shavings seem to work their way into everything!

Very nice work! We featured your video on our homemade tools forum this week, and it was very well received :)

@ROBRENZ

4 жыл бұрын

Awesome, thank you!

@homemadetools

4 жыл бұрын

@@ROBRENZ You're very welcome. You can email me at jon at our website url if you like, and I'll give you a coupon code so you can join our forum for free and post your videos whenever you like. Looks like you're one of us :)

awesome build!

@ROBRENZ

4 жыл бұрын

Thanks!

That tip about modelling cylindrical parts as revolves was worth it alone

Rejoice! Excited for little tricks n tips!

Very very nice on the last few videos Robin. Been following along. Neat idea this one.

Look super handy I wish dotco is watching

Perfection as per usual