Mortise? - Page 3 - Router Forums
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post #21 of 33 (permalink) Old 08-13-2017, 04:45 PM
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.................I should make it clear that what I'm trying to accomplish is design and build a cheap, usable vise that someone of modest woodworking skill can copy with readily-available materials............
Well I for one am enjoying the build of this vise. I like making things for my workshop, rather than buying them and if it works then it doesn't matter how cheap it was to make. Keep the dialogue, description and photos coming please Chuck, I only have a metalworkers vise ATM so this would be great.
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post #22 of 33 (permalink) Old 08-13-2017, 06:46 PM Thread Starter
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I'd be delighted to do that.
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post #23 of 33 (permalink) Old 08-14-2017, 07:14 AM
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..........The front ends of the guide rods should be firmly attached to the front jaw. Just as soon as I finished boring the holes in the front jaw I mentally kicked myself............
So the wooden dowel guide rods are permanently fixed to to front part of the vise? And the upvc pipe is permanently fixed between the rear 2 blocks as guides for the moving guide rods?

Which is where your issue came from, the holes bored in the front vise part were too large?

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post #24 of 33 (permalink) Old 08-14-2017, 08:12 AM Thread Starter
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...the holes bored in the front vise part were too large?
Exactly. The inner guide bars are 3/4" hardwood and should be affixed to the front jaw. The outer bars are affixed to the rear jaw and the under-bench framing and are 1" PVC pipe in which the inner bars glide. One of the pictures in an earlier post shows the relationship between the inner and outer bars.

What it does NOT show properly is the permanent attachment of the inner bars to the front jaw. I will have to cut two 1 1/2" sections of PVC and epoxy them into the front jaw. Then I'll epoxy the ends of the hardwood dowels inside the short sections of PVC.

I'll post detailed pics when it's done.
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post #25 of 33 (permalink) Old 08-14-2017, 06:04 PM Thread Starter
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I really didn't intend to do anything on the vise today but found myself getting out tools, etc., so the die was cast. What I did was relatively minor but now the vise looks pretty much like it will when fully complete. One pic shows pretty much how the face of the jaw will look when I epoxy the dowels and PVC sleeves into it. Another shows how the vise will look with the jaws open and the relationship between the inner and outer guide rods. The final pic shows the under-bench framing and how the bench screw and PVC outer guide rods are oriented. The sharp-eyed will likely see a broken shim that I will have to replace. It was intended to fill a gap between the rear support for the guide rods and the bench frame. In a flash of idiocy I tried a shortcut and made it out of slice of end-grain from a 2X4. I'll redo it out of long-grain stock and it won't fail again.

The excitement of the day was when I experienced a kick-back on the miter saw. I don't know for sure what happened but instantly the blade destroyed the workpiece I was cutting (maybe a knot?) and jammed itself against the aluminum housing, wedging the blade to the housing by one of the damper slots. It totally destroyed (bent) a $60.00 Freud Diablo blade that was not very old.

I got whacked on one knuckle but no cuts, no breaks, no permanent damage. It is a little sore. That's the first time in years I've had a major malfunction of a machine.

Here are the pictures:
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post #26 of 33 (permalink) Old 08-15-2017, 06:57 AM
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Sounds painful Chuck, be careful out there, it's a dangerous place.

Vise looks great in situ.
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post #27 of 33 (permalink) Old 08-15-2017, 06:05 PM Thread Starter
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I doubt there will be any more posts or pictures on the topic(s) of my vintage plane, the workbench and/or the vises.

The plane works as well as...no, actually better than...I would have expected for $15.00, the workbench came out as well as I expected and will be used by me probably for the rest of my life, the Moxon-style end vise (aside from my error of not mounting it flush with the benchtop) works as expected and the side vise actually came out better than I thought it would.

Doing some rough engineering calculations, the inner guide rods appear to be more rugged than any bending/breaking moment that could be developed within the constraints of the outer guides and there seems to be little to no possibility of developing sufficient shear force to snap them off.

The bench and both vises look pretty much as they will look after I'm completely finished. The only remaining tasks are to epoxy the inner and outer guide rods into their finished locations, acquire and mount the plate on the front jaw, and to face the jaws of both vises with hardwood, all of which have been previously described.

I hope this has been an interesting and useful series.

Oh, and I still haven't had the heart to check the miter saw for damage to anything other than the aluminum housing. But it's an ancient machine and I've been wanting a slider anyhow.

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post #28 of 33 (permalink) Old 08-16-2017, 04:57 AM
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Great stuff Chuck. All logged for my workbench build.... when I have the room, and have a new roof put on the workshop.

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post #29 of 33 (permalink) Old 08-16-2017, 08:07 AM Thread Starter
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Great stuff Chuck. All logged for my workbench build.... when I have the room, and have a new roof put on the workshop.
One thing to be cognizant of...be sure the bench frame is ABSOLUTELY SQUARE when assembling it. Mine was slightly out of square and I did not realize it. While I measured the diagonals, etc., I failed to rigidly clamp the frame to a known square while driving the screws. That necessitated making on-the-fly adjustments to the vise framing, e.g., I had to trim about 5/16" off one end of the under-bench support because the holes for the guide rods did not align. That's where my poorly-designed shim figured into the project...the one I had to replace.

I wish you well with your shop upgrades and your bench build.

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post #30 of 33 (permalink) Old 08-16-2017, 03:33 PM
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Just a couple of questions, 1) how have you fixed the blocks to the underside of your bench? I see no screws through the top, nor underneath. 2) what locks the moving block to the bench screw to make it move out? I see the bench screw pushes it towards the bench.

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