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The Workshop Progress Thread

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JasonB10/10/2015 07:39:22
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25215 forum posts
3105 photos
1 articles

Nice engraving John, only one slight problem you have got your tails and pins mixed up, the idea is that as you pull on the front of the draw the pins will tighten into the "wedge" shape of the tails. As you have it the front will slide straight out of the joint.sad

Although blind this is one I prepared earlier

Edited By JasonB on 10/10/2015 07:39:40

Michael Gilligan10/10/2015 07:54:13
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23121 forum posts
1360 photos

Lovely work, Jason

MichaelG.

Roderick Jenkins10/10/2015 09:19:25
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2376 forum posts
800 photos
Posted by Michael Gilligan on 10/10/2015 07:54:13:

Lovely work, Jason

MichaelG.

It certainly is. I tried cutting some dovetails last week. Gave up and used butt joints disgust

Rod

OuBallie10/10/2015 12:36:42
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1181 forum posts
669 photos

Rod,

Man after my own heart!

Gave up on 'proper' wood joints years ago

Nice work Jason?

Geoff - Metal any day, although I did enjoy making all those tool drawers.

KWIL10/10/2015 15:58:52
3681 forum posts
70 photos

The best competitive dovetails are the secret dovetails used on a mitre joint. Used them on a 24" sideboard made many years ago in Mahogany, sorry cannot show them, they are glued inside the mitresmiley

Ian P10/10/2015 20:46:16
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2747 forum posts
123 photos
Posted by John Stevenson on 09/10/2015 22:45:09:

I have a penchant for wooden toolboxes, engineers type that is.
I have many, all donate prior to or after death by some very skilled men I have had the fortune to work with and learn from. It's one way of remembering these men and their skills.

So enough waffling about the past and fast forward to today.
Thinking about doing some nice boxes I must admit I like to see the dovetail joints but other than using CNC and spending more time than I have it's not going to happen. So what about fudging it. The laser can cut as well as engrave where wood is concerned, so what about engraving the lines of the dovetail joints whilst still using a quick half lap joint ?

Three examples [ one didn't come out, weird font ] top and bottom are cut letters at low power, third one down is engraved or scanned.

This is just a bit of crappy ply packing case sprayed afterwards with a rattle can of easing oil to get a uniform finish.

Certainly looks promising and needs a bit more input.

John

I think this must be your first post where you have resorted to true bodging!

In all your previous posts processes you have described as bodging, have actually been repairing, modifying and making things, by practical, expedient, ingenious, and clever engineering. These fake dovetails are completely at odds with your normal methods.

Good dovetails are only visible by the differences in wood texture and grain direction, the joint lines might be undetectable otherwise. Etching thick lines with a laser is highlighting something that should not be there (and certainly not on the drawer face).

Indelibly marking the drawers contents is OK if the contents are never going to change but if you are going to put text on there at least use a clear font. As a more engineering alternative you could laser cut the text deep enough to fill with epoxy loaded with bronze powder which could then be sanded flush so it looked like metal inlay.

If you are going to make drawers why not comb-joint them (stack of slitting saws or indexed slots)? They would be visible on the front face but at least they are strong and look good, or at least look 'engineering like'

On the other hand, maybe I got the wrong end of the stick and your fake dovetails were meant in jest?

Ian P

Michael Horner11/10/2015 19:57:06
229 forum posts
63 photos

20151011_192435_resized.jpg

Finished my lever tailstock today only to find that when applying pressure to the drill bit the thing twists. The clamp bolt is tight. Looks like I will have to redesign the linkage so that the force is along the bed.

Had more luck with my lantern chuck!

20151011_192907_resized.jpg

Cheers Michael.

John Stevenson12/10/2015 15:07:34
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5068 forum posts
3 photos

Michael,

Change your linkage over and put the link at the back.

I originally had mine like yours and experienced jamming etc.

John S.

Michael Horner12/10/2015 18:36:26
229 forum posts
63 photos

Thanks John.

I will try that.

Cheers Michael.

Bazyle12/10/2015 22:02:34
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6956 forum posts
229 photos

For anyone wanting a lever feed this is JS original post on his design. Final version of lever connection is quite some time later. Note a page or two earlier is what drove him to it, the annoyance of the taper ejecting before the barrel is fully retracted.

Ian Parkin13/10/2015 12:51:21
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1174 forum posts
303 photos

I bought a secondhand tailstock to try and make a lever action ram but found it too hard work when drilling larger than 6 mm or so...too much force needed so back to the drawing board and a BL mini steering rack was put into service as a sort of capstan drive

Works well.. lots of feel on small bits and lots of power with larger ones

dsc00689 (medium).jpg

dsc00691 (medium).jpg

Ian Parkin13/10/2015 12:58:56
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1174 forum posts
303 photos

This was my lever action unit made the block that screws into the casting so it was just a modification to mount the steering rack

dsc00625 (medium).jpg

JasonB17/10/2015 20:18:44
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25215 forum posts
3105 photos
1 articles

Having got off to a bit of a false start when my propane bottle ran out half way through soldering the Tidman valve chest together I got it soldered OK with some new gas. Then treated it like a casting by facing off the mounting flange and poping a few holes in here and there. Also made tha governor butterfly valve, spindle & gland nut plus the Valve rod, nut, gland and pivot pin & washer. Chest is 2.5" x 3.75" x 1" thick with an unusual integral cover.

NJH17/10/2015 21:42:46
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2314 forum posts
139 photos

Jason

That is immensely depressing to we mere mortals !

Nice work - very well done.

Norman

Chris Denton17/10/2015 23:28:15
275 forum posts

What's the purpose of the lever? Quicker drilling?

John Hinkley18/10/2015 17:42:55
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1545 forum posts
484 photos

At last, I finished fitting the Z-axis glass slide to the VMC mill. Used the DRO to make new tee nuts for it so that I can use the clamping kit I originally bought for the old, somewhat smaller lathe. I won't clutter up the thread with a photo - it looks just like the other two, only turned round 90°, not surprisingly. If you really must see, there's a photo in the album.

John

Neil Wyatt18/10/2015 18:56:53
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19226 forum posts
749 photos
86 articles

Well, last couple of days I've had a few tries at replacing the little metal clip that pulls the piston up on a 2-ton trolley jack.

The difficult bit is that it needs to be flexible enough to fit over the end of the piston to locate in a groove without unclipping, and made so it doesn't distort under the strain.

Vesrion 1, complete failure. version 2 worked, but I made the hole too small and it was taking the downforce so it partly collapsed and let go. I've schemed out version 3, but it will wait.

I still can't figure out how the original failed.

Neil

john carruthers22/10/2015 11:51:14
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617 forum posts
180 photos

Made the indirect mandrel indexer from an old 120 toothed wheel I was given. I turned a 10 TPI worm to fit it and mounted it on a bit of ally angle.
The wheel grips inside the mandrel, just tighten the knurled knob.
One turn of the handle = 3 degrees.
I shall scribe 12 lines to give 15 arc min divisions.
I only want it to put the flutes in the Lady Stephanie columns.


120 t wheel.jpg

indirect mandrel index.jpg

Neil Wyatt22/10/2015 13:23:51
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19226 forum posts
749 photos
86 articles

LS.. column fluting - my setup, note packing under tailstock.

fluting pillar 1.jpg

As they are brass when you break the round nosed 1/16" end mill you can grind up a replacement from the stub

fluting pillar 2.jpg

Neil

john carruthers22/10/2015 15:09:23
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617 forum posts
180 photos

thanks Neil, I know what I'm doing tomorrow :-/

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