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Thread: Your latest project
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27th July 2015, 02:09 PM #1546Senior Member
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Winch-----or hoist?
Hi again Dean,
Good to know you are all safe there, and yes that extra sheave will give you an extra margin and make it a lot more controllable, regards,
Combustor.Old iron in the Outback, Kimberley WA.
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27th July 2015 02:09 PM # ADSGoogle Adsense Advertisement
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27th August 2015, 12:00 AM #1547SENIOR MEMBER
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Been learning on mill - tangential holder
Have been learning what my mill can do.
Made this tangential tool holder. Its scruffy and ugly - But - Blimey ! It works. Am well chuffed.
Took aaaaaages - made mistakes - did things twice over - figured out how to do it better next time.
So far T nuts, table clamps, tangential tool holder.
Next Toolmakers clamps, jacks, sharpening jigs and in a few years time in collaboration with lathe a dividing head & a rotary table.
Did some googling whilst making it - some nice lateral thinking on tangential holders on this thread
http://www.modelenginemaker.com/inde...ic,712.45.html
Had to actually have a go before I could properly understand what I'd been reading on the net.
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27th August 2015, 07:56 AM #1548Philomath in training
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And the silly thing is in a couple of years you are just as likely to look at it and tell yourself that it is a bit rough and needs to be redone...
This learning thing never stops.
Michael
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27th August 2015, 11:40 AM #1549Intermediate Member
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- Aug 2013
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- Melbourne
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Dawn drill vise repair
I bought a well abused dawn vise recently as a machining and brazing project. I thought it deserved to be rescued. It had already been roughly weld repaired at some stage, but I guess the same person kept on abusing it. I milled out the worst of the damage and made inserts to fit, which were then brazed in place. I know it still looks a bit rough however it will now work well for its intended purpose. (And I learnt a bit about machining and brazing along the way)
Cheers
Peter
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27th August 2015, 11:46 AM #1550GOLD MEMBER
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27th August 2015, 11:53 AM #1551
Did you leave the tool slot blind for a reason. The one I have (Eccentric Eng) is open which allows the tool steel to hang below, so it can be any length, almost. It is also a safety measure. If you crash the tool, the HSS can slide down and reduce the impact.
I thought about making one but gave up and bought one. Good work.
Dean
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27th August 2015, 01:37 PM #1552GOLD MEMBER
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Hey thats almost as ugly as mine! (So I can hardly say great work without looking like I'm patting myself on the back)
One of these days I'll make a pretty one...... really I will. Once I finish the 1000 other projects in front of it.
If you have clearance issues with the cap screws, what I did was turn the angled part of a c/sink screw off. I think the head and the washer total 3mm, though your tapped holes look further from the tool than mine so it might not work for you.
https://www.woodworkforums.com/attach...1&d=1306640815
Peter,
Great work on the vice. any pictures on how you went about brazing the replacement parts in?
Stuart
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27th August 2015, 01:58 PM #1553
A good save on your Dawn vice. It did deserve rescue and redemption. There really are some people who should not be permitted to enter a workshop let alone use tools. The former owner seems to be one of them.The vice now looks quite tidy and is well able to be used - no problem.
If you have mill may I suggest machining a step across the top of each jaw.
If you drill a lot of small flat bar as I do you may it find very handy to hold the fiddly bits and keep them from being pushed out of parallel with the base. I have attached a pic
dawn 125 vice.JPG
of my 125mm dawn to illustrate.
The only negative is that as the sizes become small across the flat widths is that one has to be careful not to forget the step on the jaws may catch the drill as it passes through the thickness of the bar.
A big well done to you.
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27th August 2015, 02:59 PM #1554Product designer retired
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- Heidelberg, Victoria
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On the subject of vices
Over the last couple of years, I've managed to acquire a 3" and 4" Dawn engineer's vice.
Both have been crudely repainted, both missing the Dawn logo.
Anyone have a good quality photo of the logo or better, some artwork so I can make a couple of "Water slide" stickers.
Ken
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27th August 2015, 03:10 PM #1555.
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27th August 2015, 04:44 PM #1556Member
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Tangential Toolholders
Well done Bill.
The original Carbide Tangential Tools.Late 1950's.
The Clamping Band was the key to the design, giving a slimmer tool profile with a 7 degree Front to Back and Side clearances.
They were also considered to be the fore- runners of indexable insert tools with the constant profile and adjustable tool height.
We need someone with knowledge of the 'Lost Wax Process' to manufacture the Clamping Bands
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27th August 2015, 07:37 PM #1557
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27th August 2015, 08:20 PM #1558Product designer retired
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- Heidelberg, Victoria
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Dawn logo
Hi Gra,
I don't think any of those logos match a very faint logo that's on my 3" vice.
As best I can tell, the word "Dawn" is black with what looks like a sunrise over the top similar to the Army sunrise badge on hats.
I might be well off.
BT, I have never actually made a water slide sticker but believe it's very simple.
1. Purchase water slide paper from say eBay or stationers.
2. Prepare artwork
3. Print artwork onto water slide paper with an ink jet printer
4. Allow to dry
5. Spray a coat of lacquer over the sticker
6. Cut out sticker
7. Soak sticker in water
8. Apply sticker on item, and slide away the backing paper, smooth out and Bob's your uncle.
9. Pour yourself another glass of medicine and relax
Ken
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27th August 2015, 10:19 PM #1559SENIOR MEMBER
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- Nov 2010
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- Gippsland Victoria
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Blind slot - to thread or not to thread
Dean,
I was wondering about drilling through the base of the blind slot and threading it, then inserting a bolt and then using that to help adjust tool height and to prevent the tool getting pushed lower on heavy cuts.
I can see your point about opening it as a safety valve in case of a crash.
Will ponder/dither/procrastinate for a few days before deciding how to finish it off.
BillLast edited by steamingbill; 27th August 2015 at 10:29 PM. Reason: typos
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27th August 2015, 10:43 PM #1560SENIOR MEMBER
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- Gippsland Victoria
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carbide tangential history
Thats interesting, I never realised that the tangential idea gave rise to the carbide inserts idea. I can see the relationship now you point it out.
I've seen the tangential idea briefly mentioned by L.H. Sparey and L.C. Mason and "Duplex" in fairly old books & magazines. One thread that I saw had Maudsley using the idea in the late 1800s and it being well documented in various books between 1880 and 1900.
Bill
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