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Making A Depth Stop For The Straight-Line Engine

🕑 Added 2022-02-11 21:25:33 +0000 UTC

Comments

Clickspring

Thank you mate! That one is shop made, just milled out a hollow from mild steel - Cheers :)

PJ

Hey Chris, glad I finally got to this and as always a treat! Superb build and love the oval head clocked screws...always perfection. I noticed in your heat treating you have a new small crucible for the screws and profile tool. Did you buy or make that and from what material? Like the idea of just covering with flux paste and not doing the whole wire wrap thing although it has its purpose. My Very Best to you always!! ~PJ

PJ

Thank you for the mention and the link Chris...high praise being from you...especially with your perfectly formed knurls and stylish thumb screw! Hope Dave and Bob get what they need from my dissertation and hands on learning.

Clickspring

Ah very good! Cheers Martin :)

Clickspring

Thanks Brandon :)

Clickspring

Cheers mate :)

Clickspring

Thank you mate!

Martin Godward

Hi my machine has the same hole so they must have been factory

Brandon

Quite a skill to make an add on look absolutely original! Great job!

Graeme Brumfitt

Rite Chris, Stop tempting us with yumminess! The close of the vid, what you working on? Stay safe Dude. GB :)

Joris van 't Land

Great work, as usual!

Clickspring

Thank you mate!

Clickspring

Cheers Phil :)

Bob Vines

Thanks for asking the question! Now I'll have to spend some "quality time" studying PJ's blog too. ;)

Philip Oestreich

Ah, I’ve just seen someone else has asked the same question. Simply stunning

Philip Oestreich

Beautiful work and presentation, as always. One question: the slots in the heads of the screws have lined up beautifully with each other, and in the case of the locking screw, the long axis of the part. Please tell me this wasn’t coincidental, and you’ve taken great pains to insert the screws, mark them for slot, and then set up to get the slot in the right place? If that is the case, how did you tighten them to the correct position and get them back out again in order to complete the machining? In awe of your attention to detail, as always!!

Phil Sydor

Thanks once again for another excellent video - I always learn so much from all the little details in your videos.

Clickspring

Thanks Jeff, that is called Rodico - Cheers :)

Clickspring

So true :)

Jeff Krajacich

Always a joy to hear you narrating a video. Thanks for the content. Weird question, what is the clay/gum you use to clean the screws after breaking the edge with the Arkansas stone?

Casey Taylor

Excellent work, as always. There's something very gratifying about making tools. Creating something with purpose that will survive long after we are gone.

Clickspring

Thanks Jim. In fact in this case it was indeed a happy accident! But your method would work well - Cheers :)

Dave Cannon

That is a wonderfully written blog. I'll have to spend some time with it. Thank you and PJ for all your efforts to share knowledge 🙂

Clickspring

Cheers John :)

Jim

Beautiful work and video as always, Chris. How did you time the screw heads? Run them in by hand and mark before you ran the slitting saw? It can’t have been an accident. 🙂

John Reid

Delightfull

Andy Pugh

But, then, this is why I watch your youtube videos and you (probably) don't watch mine. There's less to be enjoyed in watching "yeah, but I just came in from the workshop doing better than that"

Clickspring

Yep some interesting threads in use across the design, a snap shot of a bygone age - Cheers :)

Clickspring

Mine too, mostly!

Clickspring

Terrific mate, so pleased :)

Clickspring

Thank you mate :)

Clickspring

As Drew mentions below, its a plastic deformation process with this type of knurl wheel. Yes a little math required, but nothing too fancy. Patron PJ is the resident expert, and has written much in detail on the process here: https://sites.google.com/site/pjsminilathe/making-chips/knurling - Cheers :)

Clickspring

So true! Was very pleased to have them already in the shop :)

Clickspring

Thank you mate!

Clickspring

Cheers mate :)

Andy Pugh

What thread standard are the fasteners on that machine? They look sort-of-Whitworthy but could be something interesting like Holzapfel?

Andy Pugh

A bandsaw cut not cleaned up at all would be presentable enough for _my_ purposes :-)

Stefan

Fantastic video as always, Chris! The best way to end a friday evening ;)

Leo G.

New Shiny! Wheeee! Always love watching good craftsmanship in progress.

Drew

There are cutting knurlers, but the kind us regular folk use deform the metal to make the marks.

Dave Cannon

When you create knurling, I know the wheels are cutting, but how? Is there a vibration that cause the grooves? Sheer pressure forcing the creation of the cuts? And how do you know the pattern will line up? Is there a math equation like teeth number to gear diameter? And if you wanted to round off the teeth, to give them a worn look, would you file or sand while it's spinning on the lathe or drill press? I have so many questions.