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(AD FREE) I Might Have Invented Something New... (Patreon)

Published:
2023-07-06 13:07:01
Imported:
2026-06
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Saving the best for last on this one. In the final installment of the rotary fixture build that got way out of hand I'm taking on a design that well... to be honest, I have no idea will work 😂 But there's only on way to find out!

Enjoy!

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PATREON - I Might Have Invented Something New...

So the rotary fixture plate is done, right? WRONG. I’ve got just one more feature to add to it. A set of material squaring guides. I have an idea for a dovetail clamp that allows for adjustability, but is also self-squaring. I’ve never seen anything quite like it which could either be a good thing or a bad thing. It’s one of those weird things where the mechanism makes sense, but at the same time… doesn’t. So let’s find out, and build a functional prototype! #inheritancemachining #machineshop #hobbymachinist Patreon (Early Access + Ad Free + Drawings) - https://www.patreon.com/inheritancemachining Drawings Store - https://inheritancemachining.com/?product_tag=drawings Merch: https://inheritance-machining.myspreadshop.com/ Instagram - https://www.instagram.com/inheritancemachining/ Website - https://inheritancemachining.com/ Equipment Links (affiliate): https://www.amazon.com/shop/inheritancemachining Thank you again to the Micrometer level Patreon members listed at the end of the video! TIMESTAMPS 0:00 Intro 1:12 Uncertainty Principle 3:50 Start at the Bottom… 5:15 And work your way DOWN?? 6:20 Putting the “A” in “A2” 8:02 Subtleties 9:57 It Was Going to Bug Me… 10:47 Who Doesn’t Like a Quickie? 12:22 The Inbetwixt 15:15 Secret Sauce 16:50 Fixtures FTW 18:52 Does It Do the Thing? 19:49 Nitpicking 20:50 The Truth of the Matter 22:57 Kinda… Sorta… FAQ Editing: Final Cut Pro X Intro Song: Way Back Way Back When (Instrumental Version) - Gamma Skies https://www.epidemicsound.com/track/SQxEhTVi9I/\ https://youtu.be/g-CD6IOxtyw © 2023 Inheritance Machining, LLC. All Rights Reserved.

Comments

PJ

Noice Brandon! Cracked me up! Great concept and execution. Perhaps the addition of a small hardened pin at 90° pressed in the flex dovetail and with a small RC fit channel to maintain the squareness at any point in the slot. Dovetails are inherently difficult to nail perfectly but great for locking down in general. Thanks for another great video! ~PJ

Michael Faragher

I cannot begin to tell you how much I love that design. The use of a round nut to expand into a dovetail? Beautiful. It also occurs to me that, within certain limits, you could also use this to generate rounded internal pockets. Don't know how useful that would be, but the brain said it, and seems pretty sure, so I figured I'd share.

Michael Faragher
>>112308146

I like it. I also wonder if a modified washer could do the same thing. If it had a U-shaped cross section, it could interface with the dovetail or the . . . dovetail carrier? I don't know what to call it, the part with the split that interfaces with the rail and nut. So long as it takes up the torsional force, it could make all the difference without adding any additional bulk. You'd lose some travel, but I don't think any solution would be compromise free. Edit: Never mind. Did a mock-up in CAD and there's not enough meat to do any of that in the way I intended. Maybe have the washer index on the shoulder of the dovetail rider?

Drokles21

Only comment i have on this is that you can never. and i mean never have too much coolant drenching a tool

Jeff Loffert

Looks great Brandon! Keep refining it. Perhaps make a new dovetail clamp that sits taller, so that when you tighten the clamping screw the the top bar "floats" above the table surface, and only registers on the top chamfers of the dovetail clamp? Does that description even make sense? Anyway, very nice work, and look forward to see what Mark II looks like.

Dennis Shubitowski

The holders could be widened to out more meat on the sides. That could minimize deflection. I also thought about Turcite also on the holder bottoms that could be scraped for level and help with friction. Always learning! That was a pleasing bulld.

Nikolaas Noyez

Hmm… an allen key bolt… in black… Developed an allergy for fancy brass knobs ? 🫣.. just kidding… nice 👍🏻

Inheritance Machining
>>112316741

Thanks Jeff! I was thinking of some way to do that. Maybe running the bolt long enough so that it pushes against the bottom of the slot lifting the dovetail nut up against the sides. Would be another case of nailing the distances exactly I think though

Inheritance Machining
>>112318059

Thanks! That was my first thought as well, only trouble is the thicker I make them the more real estate they take away for the hold down clamps. I realized I don't really need those bars to be slotted so maybe just a counterbored hole would suffice

Inheritance Machining
>>112313956

😆 The brain is usually a good thing to listen to! This for sure could be used for that. When I was doing my research I saw a video of a guy using a similar fixture to cut a full round tapered pin on the mill but just setting the rotary fixture at an angle. I think the sky is the limit with this thing!

Michael Faragher

So, the bottom is milled to shape and there's nothing to do about that (shy insane setups). What if you either drove pins in the solid ends to index on the top edge of the slot, built indexers that screw into the existing slot on the bar, or machined end caps that screwed on to provide reference surfaces on the bar? I know it's poorly described, but you have precision locations, and are really only looking to resist minor torque when tightening.

Jeff Loffert
>>112316741

You're right, it would begin requiring really tight tolerances, and hardened/ground surfaces in order to maintain them.......rrrrr fix one problem, and cause two more! BTW, your mini pallet build has inspired me to make one of my own. It will be 6"x12"( as I had a chunk of C1119 steel so sized, lying around ), and follow your basic design.

James Riordan

“Shweet” indeed, and those copious chamfers 😍

Erik D. Radzius

Redundant comment as I made one on youtube, but what an awesome idea. I trully commend your work, Brandon. Can't wait to see what's next.

Warren Turner

I noticed your push fixture for the bandsaw. Is that something you can share in the design?

Inheritance Machining
>>112504656

I'll try to remember to show a little more detail on that next time I use it since you're not the first to ask. It's completely unmarked so I have no idea what brand it is or where it came from haha