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Its really just a block of steel milled or ground...
Its really just a block of steel milled or ground square with a slot in to suit the size of tool steel. Drill and tap a couple of holes to hold it in there and you're laughing. Basically you make the...
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21st Sep 2007, 07:33 AM
Thread: Is there a chuck doctor in the house?
by Article99- Replies
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Collets can be overtightened. Collets do...
Collets can be overtightened. Collets do eventually runout with wear and tear. See it happen every day.
As for the rest, well mate, you must be of far superior sources. What would I know, after... -
Yes. Those are tool steel blanks. For most work...
Yes. Those are tool steel blanks. For most work around 13mm and under, a piece of 5/16" properly ground to shape will do just fine. As you get larger diameter jobs, you go up in the size of tools....
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20th Sep 2007, 11:22 PM
Thread: Is there a chuck doctor in the house?
by Article99- Replies
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A good chuck in fair condition is worth quite a...
A good chuck in fair condition is worth quite a bit. Do a search on flea bay for 'pratt burnard'.
:)
(And I'll bet those door stoppers, cleaned out of any crap and reassembled are worth quite a... -
20th Sep 2007, 09:09 PM
Thread: Is there a chuck doctor in the house?
by Article99- Replies
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Buy yourself a set of drop in collets that use a...
Buy yourself a set of drop in collets that use a draw bar. Make a sleeve to fit spindle at either end. Be warned. Collets age like anything else and don't hold their accuracy their entire life,...
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They both look like rubbish, to me. Grab yourself...
They both look like rubbish, to me. Grab yourself half a dozen bits of HSS and do some grinding. :)
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18th Sep 2007, 11:54 PM
Thread: Is there a chuck doctor in the house?
by Article99- Replies
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Pretty much anyone with a surface grinder and a...
Pretty much anyone with a surface grinder and a cylindrical grinder capable of doing internal work could do it, mate.
Whack the jaws up on the surface grinder and re-do the angles & notches if... -
18th Sep 2007, 11:48 PM
Thread: Ebay Bridgeport
by Article99- Replies
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Haha. Don't know of any myself, but rock on,...
Haha. Don't know of any myself, but rock on, mate. That machine looks like a bloody ripper. Spewin' I don't have $3,000 in the bank. (Well, I do, but that's the untouchable ZX-10R fund. Will resort...
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12th Sep 2007, 12:17 AM
Thread: metal band saw or hot cut off saw
by Article99- Replies
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Other advantage of a horizontal bandsaw is that...
Other advantage of a horizontal bandsaw is that you can set it to work on a 100mm piece of stock and walk away for a cuppa and or cigarette. Or even possibly more work, if you're so inclined. (Which...
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8th Sep 2007, 02:27 PM
Thread: Planing Aluminium?
by Article99- Replies
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Not for a 1m long I-beam. You'd tear your hair...
Not for a 1m long I-beam. You'd tear your hair out getting it square if you weren't used to using a file. :doh:
I'd go with Woodlee's suggestion. A local shop'd whack it on the mill and take the... -
8th Sep 2007, 02:24 PM
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Swinburne in Wantirna does one, too, I think. Not...
Swinburne in Wantirna does one, too, I think. Not much closer than Box Hill, but a step in the right direction.
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30th Aug 2007, 11:02 PM
Thread: Lathe question
by Article99- Replies
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Have a look on the web and the local machinery...
Have a look on the web and the local machinery dealers first. You should be able to pick up a second hand bench lathe made by a reputable manuf. for a reasonable price. Little more leg work, but...
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22nd Aug 2007, 07:21 AM
Thread: Drill sharpener
by Article99- Replies
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Sharpen the point off centre by half as much...
Sharpen the point off centre by half as much extra. :2tsup:
Drill some scrap first to make sure you got it right, however.
Will also only work when drilling hole from scratch/centre pop. Won't... -
12th Aug 2007, 11:38 PM
Thread: Carbide tipped tool holder
by Article99- Replies
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I reckon Pipeclay's on the money. Sounds as if...
I reckon Pipeclay's on the money. Sounds as if you're running above centre height. Either that, or you've no front clearance on the tool.
I do wonder, what are you basing the assumption of centre... -
2nd Aug 2007, 09:20 PM
Thread: Facts on the Rice Bowl Lathes
by Article99- Replies
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It doesn't. Head stock alignment will, which...
It doesn't. Head stock alignment will, which would have been effected by the lathe not sitting level.
Tail stock alignment comes into play when you start drilling holes and working between... -
2nd Aug 2007, 06:45 PM
Thread: Free machining cast iron?
by Article99- Replies
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:no: - All you have to do is rough it out on the...
:no: - All you have to do is rough it out on the mill, put it in the furnace at 590deg odd to relieve the stress and then finish grind....
Yes, super accurate lathe beds are left out for years to... -
1st Aug 2007, 11:34 PM
Thread: Metal cutting machine
by Article99- Replies
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Something for Marc... ...
Something for Marc...
http://cgi.ebay.com.au/Brobo-300mm-steel-cold-saw_W0QQitemZ120145085685QQihZ002QQcategoryZ79104QQssPageNameZWDVWQQrdZ1QQcmdZViewItem -
1st Aug 2007, 11:33 PM
Thread: Free machining cast iron?
by Article99- Replies
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Ken, Cast Iron is quite easy to...
Ken,
Cast Iron is quite easy to machine. It does however make a very big mess, due to the insane carbon content. (Prepare for black arms and face.)
'Tis a very good idea to wear a dust... -
29th Jul 2007, 04:58 PM
Thread: Different metals and a different finish
by Article99- Replies
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Perhaps for learning purposes, yeah, it'd be...
Perhaps for learning purposes, yeah, it'd be better to learn fine finishing at low speed. Catch 22 is that you'd have to hide the emery pretty good. :no:
Quickest and easy way is to run flat... -
29th Jul 2007, 01:59 PM
Thread: Different metals and a different finish
by Article99- Replies
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Teach them how to fine finish at high speed. (Go...
Teach them how to fine finish at high speed. (Go flat out, use fine cuts.) Be sure to explain that using the feed won't leave a good finish at high speed, because it'll just move quicker and chew out...
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29th Jul 2007, 01:27 PM
Thread: Different metals and a different finish
by Article99- Replies
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Ah ok. That first picture, is that under your...
Ah ok. That first picture, is that under your compound slide?
Would be bloody careful with your vinyl slideway cover. Would be very ugly if the chuck jaws grabbed hold of it. :o -
29th Jul 2007, 12:46 PM
Thread: Different metals and a different finish
by Article99- Replies
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Ditto to that. Goes everywhere. What you can do...
Ditto to that. Goes everywhere. What you can do when turning brass is get a little 3/4x2" strip of tin sheet, bend it and screw it down on top of the turning tool in your tool holder to act as a...
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29th Jul 2007, 09:57 AM
Thread: Different metals and a different finish
by Article99- Replies
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Another good one to try is R300. Can't be heat...
Another good one to try is R300. Can't be heat treated and it's as soft as chewing gum, but is great for 'look good' stuff. Comes up with a very schmick finish, no matter how hard you are on it. Have...
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28th Jul 2007, 07:19 PM
Thread: Need tooling for mill
by Article99- Replies
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Dean may be able to help you out. :2tsup: ...
Dean may be able to help you out. :2tsup:
http://myworld.ebay.com.au/hqlsmonaro -
28th Jul 2007, 07:12 PM
Thread: Different metals and a different finish
by Article99- Replies
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- 12,791
Graeme, 4140 is free machining. Also has enough...
Graeme, 4140 is free machining. Also has enough carbon in to heat treat, should you so wish.
We use it at work for die cases. :) -
25th Jul 2007, 11:14 PM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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Ah ok. Quick way out of having to re-grind a tool...
Ah ok. Quick way out of having to re-grind a tool for the two square forms. ;D
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25th Jul 2007, 12:25 AM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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MH: Forgot to offset the point on my tool for the...
MH: Forgot to offset the point on my tool for the zero-rake side. Remembered on the side I ground for screw-cutting steel tho. (Something's better than nothing, lol. :doh: )
For the majority of... -
24th Jul 2007, 10:08 PM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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For those interested, it was mentioned earlier...
For those interested, it was mentioned earlier that some folk like to move the compound slide around to 30 deg odd and use it to set their depth of cut.
Saw it done today for the first time and... -
23rd Jul 2007, 06:29 PM
Thread: Milling hardened steel
by Article99- Replies
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If you can get your hands on a carbide endmill...
If you can get your hands on a carbide endmill that's designed for milling hardened steel. It'll go through it no probs.
Eccentric relief is the biggest give away with these. They'll stand out... -
22nd Jul 2007, 02:40 PM
Thread: The last of the plant stands
by Article99- Replies
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:o -Good grief. You've got some serious amounts...
:o -Good grief. You've got some serious amounts of skill there as a craftsman, Artemis. :2tsup:
Another stunning piece. I wonder, how long have you been blacksmithing for? Was it a skill you... -
20th Jul 2007, 10:27 PM
Thread: The hole is too big
by Article99- Replies
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Anything's possible. -You should know that. ...
Anything's possible. -You should know that.
Time and inclination, however, are another story. -Something I'm sure you'd also already know. :D
Can't say I've ever heard or seen it done either,... -
20th Jul 2007, 06:34 PM
Thread: The hole is too big
by Article99- Replies
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Yeah, I know, MH. But you'd have to admit,...
Yeah, I know, MH. But you'd have to admit, knurling a bore just so it's not oversize... uggh.
Might suck doing the extra work, Ken, but it'd be worth it over knurling. -
19th Jul 2007, 06:09 PM
Thread: The hole is too big
by Article99- Replies
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If you're really desperate to save pitching the...
If you're really desperate to save pitching the brass, a sleeve would be the most elegant solution. :2tsup:
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16th Jul 2007, 10:15 PM
Thread: More Recent Work
by Article99- Replies
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Spent two weeks in Coloundra a few years back....
Spent two weeks in Coloundra a few years back. Very nice indeed. Just doesn't feel like home the way the slums of Croydon do, though... :D :p
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16th Jul 2007, 09:51 PM
Thread: More Recent Work
by Article99- Replies
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Bloody outstanding. Even with the small, cropped...
Bloody outstanding. Even with the small, cropped photos, the attention to detail is amazing. Damn shame you're up in QLD, mate. Wouldn't be able to resist pokin' me nose in the door and having a...
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8th Jul 2007, 03:12 PM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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Quite a few golden ones you've mentioned, that...
Quite a few golden ones you've mentioned, that I'd forgotten to, Pipeclay.
I did mention removing the tool from the job and reversing the machine at the same time rather quickly. Provided your... -
8th Jul 2007, 12:38 AM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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- 8,375
A piece of HSS is $6 to $8. A butchered piece of...
A piece of HSS is $6 to $8. A butchered piece of bronze or brass is worth more. :2tsup:
When machining with HSS, economics isn't a huge concern.
Moreover, the surface of the tool doesn't cut. The... -
7th Jul 2007, 08:25 PM
Thread: Quick Screw-Cutting Guide
by Article99- Replies
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Quick Screw-Cutting Guide
A Quick Guide To Screw-Cutting a R/H Thread On a Modern Lathe Using HSS Tooling.
You'll Need:
1)A piece of 5/16” HSS.
2)A screw pitch gauge.
3)A copy of the Zeus Precision Data &... -
7th Jul 2007, 07:32 PM
Thread: First projects
by Article99- Replies
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I'll scribble one together for you and post it....
I'll scribble one together for you and post it. :2tsup:
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4th Jul 2007, 10:48 PM
Thread: Home Made Digital Height Gauge
by Article99- Replies
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Of course, the other way to do it would be with a...
Of course, the other way to do it would be with a set of odd leg calipers.. :wink:
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2nd Jul 2007, 06:13 AM
Thread: Home Made Digital Height Gauge
by Article99- Replies
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Tricky part is holding it in such a way that it...
Tricky part is holding it in such a way that it is at a right angle to the surface below it. Given that a decent one could be had on fleabay for $50, why would you bother? :?
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23rd Jun 2007, 09:41 PM
Thread: using a grinder with a 'dropdown' 'jig'
by Article99- Replies
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If it's only a mm or two out of soft alu, spend...
If it's only a mm or two out of soft alu, spend $20 on a bastard file. :wink:
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23rd Jun 2007, 04:14 PM
Thread: Chuck jaws not parallel
by Article99- Replies
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Technically, they're not going to. By using a...
Technically, they're not going to. By using a ring made of something nice and soft, like copper, alu, hell, even a big rubber band might do the trick, it takes the slack out of them so they can be...
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22nd Jun 2007, 11:39 PM
Thread: Chuck jaws not parallel
by Article99- Replies
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A three jaw has its uses. We use floating 3 jaws...
A three jaw has its uses. We use floating 3 jaws on the grinders at work. Which means the work can be run true to 2 microns usually. (The chuck is mounted to the face plate with three bolts that are...
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22nd Jun 2007, 06:22 PM
Thread: Chuck jaws not parallel
by Article99- Replies
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Some food for thought, before you proceed. (Have...
Some food for thought, before you proceed. (Have done this quite a few times at work on cylindrical grinders.)
1) Most jaws are case hardened. If you grind them, you might find yourself doing it... -
17th Jun 2007, 06:40 PM
Thread: Marking Blue Blues
by Article99- Replies
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I know of a machine-tool repairer that made his...
I know of a machine-tool repairer that made his own kickarse bluing solution. Marko, his name was.
Somehow came across a couple of kg's of straight pigment and then mixed it into vasceline.... -
13th Jun 2007, 06:38 PM
Thread: Machinist Projects Link
by Article99- Replies
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Please do! :2tsup:
Please do! :2tsup:
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8th Jun 2007, 08:44 PM
Thread: Machining Handbook
by Article99- Replies
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Big thumbs up for Plough's Book Sales over...
Big thumbs up for Plough's Book Sales over here.:2tsup:
Machinery's Handbook. $140 odd.
The only reference book you'll really need. :; -
28th May 2007, 06:28 PM
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http://www.bhtafe.edu.au/resources/LIFESTYLE_BOOKL...
http://www.bhtafe.edu.au/resources/LIFESTYLE_BOOKLET.pdf
There's a basic fitting and machining course at Box Hill, as well as two courses in Furniture Design, I believe. :2tsup: -
27th May 2007, 07:37 PM
Thread: Good Auction for Sydnesiders
by Article99- Replies
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Bloody shame they're not willing to ship...
Bloody shame they're not willing to ship interstate. I'd buy half of the damn stock! :D