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There was a thread here before that basically...
There was a thread here before that basically proved that it doesn't matter if your material diameter doesn't divide wholly into your knurling wheel diameter. This is because the knurling process...
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20th January 2011, 09:32 PM
Thread: the ultimate welding shield
by Edd- Replies
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There's another popular video I've seen where the...
There's another popular video I've seen where the Chinese workers wear no safety gear. They just look away while tacking with a stick welder.
For a couple of bucks an hour to employ expendable... -
9th October 2010, 04:37 PM
Thread: Carbatec 3/4 HP 12 speed bench drill press
by Edd- Replies
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You can always choose to not use the chuck key if...
You can always choose to not use the chuck key if it's a keyed chuck. On the flipside, you can't use a key with a keyless chuck.
You can exert a lot more torque with a chuck key and hold the drill... -
26th September 2010, 10:20 PM
Thread: Carbatec 3/4 HP 12 speed bench drill press
by Edd- Replies
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No such thing as a nice keyless chuck. :p
No such thing as a nice keyless chuck. :p
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A capacitor recently went in our AL340A lathe,...
A capacitor recently went in our AL340A lathe, and I noticed HAFCO use the cheap electrolytic starter caps. A film capacitor is a LOT better, so we replaced it with a Ducati branded one for about $30...
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16th June 2010, 10:29 AM
Thread: Interesting mini lathe project
by Edd- Replies
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That's awesome! Thanks.
That's awesome! Thanks.
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12th June 2010, 08:56 PM
Thread: HF start box plans
by Edd- Replies
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That was me - thanks Grahame. I think I...
That was me - thanks Grahame.
I think I already linked to that site as that was the one that I used to build it in the end. More discussion was in the thread I created here and the one I linked to... -
2nd June 2010, 09:00 PM
Thread: T-Clamp sizes?
by Edd- Replies
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I'd make like the guy who wanted a new kerosene...
I'd make like the guy who wanted a new kerosene lamp but all he could find was lightbulbs.
Imperial will - and my generation will kill it. :) -
28th May 2010, 05:27 PM
Thread: Different gases for welding
by Edd- Replies
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Well it really depends. What do you want to do? ...
Well it really depends. What do you want to do?
Butane is generally for small, focused flames, useful for pencil torches, soldering, jewellery and the like.
LPG is better for a bigger flame... -
28th May 2010, 05:06 PM
Thread: Different gases for welding
by Edd- Replies
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Propane and butane are -ane hydrocarbons Propane...
Propane and butane are -ane hydrocarbons
Propane = C3H8
Butane = C4H10
Acetylene is ethyne (systematic name), ie C2H2. It's not stable unless in solution, so they dissolve it in acetone.
... -
24th May 2010, 06:50 PM
Thread: herbert nuttall lathe info
by Edd- Replies
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Apologies, I stand corrected. I was just...
Apologies, I stand corrected.
I was just sceptical as the common utility single/3 phase voltages around the world are:
- 277/480
- 240/415
- 230/400
- 220/380
And I thought therefore there... -
23rd May 2010, 07:45 PM
Thread: herbert nuttall lathe info
by Edd- Replies
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There's no such thing as 240V three phase......
There's no such thing as 240V three phase... Unless it's incorrect naming for 3 x 240V phases, which, by convention is called "415V 3 phase".
240V = RMS phase to neutral (ground) of any phase... -
19th May 2010, 11:34 AM
Thread: Welding Helmets
by Edd- Replies
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You know what shields it even better? A...
You know what shields it even better?
A welding helmet. -
10th May 2010, 09:37 PM
Thread: Lathe Safety
by Edd- Replies
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Yep. Leaving the chuck key in seems to be one of...
Yep. Leaving the chuck key in seems to be one of those things most people eventually do.
I made the mistake once when I was at high school. It went BANG on the lathe stand and that was it. These... -
8th May 2010, 10:45 PM
Thread: Prices: aluminium v stainless steel
by Edd- Replies
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Aluminium oxidises within minutes, then stops, so...
Aluminium oxidises within minutes, then stops, so it won't really be any duller in a few years time than when brand new. Scratches will reoxidise too - although it will scratch more easily than SS....
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6th May 2010, 09:44 PM
Thread: lathe in a box
by Edd- Replies
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Years? :oo: I thought the yelling came from...
Years? :oo: I thought the yelling came from spending money on machinery and leaving machinery lying around, NOT from unpacking said machinery? :-
Looks to be a geared head mini-lathe, where did... -
4th May 2010, 08:37 PM
Thread: Cutting Alum Round Bar
by Edd- Replies
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A horizontal metal bandsaw is probably easiest....
A horizontal metal bandsaw is probably easiest. Failing that, something similar to a triton metal cutting drop saw with a TC tipped blade would make short work of it. Or possibly a TC wood saw, as...
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2nd May 2010, 11:52 PM
Thread: Which tap and die set?
by Edd- Replies
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The four materials for tap and die sets that you...
The four materials for tap and die sets that you mentioned go in order of weakest to strongest:
1. Carbon Steel
2. Alloy Steel
3. HSS
4. Tungsten Carbide
The stronger ones are also more... -
1st May 2010, 10:12 PM
Thread: TIG filler for mild steel
by Edd- Replies
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Hmm, I'd never really thought about it, so I did...
Hmm, I'd never really thought about it, so I did a search for you.
Here's a good PDF with typical applications and composition of the main filler types:
amfiller low alloy wires
Edit: Just... -
1st May 2010, 09:09 PM
Thread: score of the season
by Edd- Replies
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No, there's significantly less CO2 when you add...
No, there's significantly less CO2 when you add O2.
Common gas is 75/25, 80/20 or 85/15 % Ar/CO2
Better gas is around 93/5/2 % Ar/CO2/O2, which Argoshield Light is. Linde used to sell this... -
22nd April 2010, 09:16 PM
Thread: Foot pedal question
by Edd- Replies
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I know that older (or basic) foot pedals have a...
I know that older (or basic) foot pedals have a potentiometer of some sort, with the machine reading the voltage level to scale the current from x-100%. In this case it would be pretty trivial to...
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13th April 2010, 11:49 PM
Thread: Dumb Salesperson
by Edd- Replies
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A better option would be the salesman saying...
A better option would be the salesman saying "Okay, that's $5 for the rods. I'll credit it towards the welder if you come back and buy it."
It's win-win in a business sense, as that way he's not... -
7th April 2010, 05:02 PM
Thread: Tig Welder Advice
by Edd- Replies
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Fronius MagicWave series is excellent. You'd be...
Fronius MagicWave series is excellent. You'd be looking at a 2200 or 2500 with that budget if you want a new one. I think a 2200 is about $7-8k and a foot pedal is $1k.
Kemppi are apparently also... -
7th April 2010, 03:42 PM
Thread: Screwcutting help
by Edd- Replies
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Most likely the tool is not sharp enough or too...
Most likely the tool is not sharp enough or too sharp/scratchy. Try turning a piece of the same diameter with the tool and seeing what surface finish you get. Then try plunging the tool to make a...
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6th April 2010, 09:16 PM
Thread: Tig Welder Advice
by Edd- Replies
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What's that mean exactly? $5000, $10000, $20000?...
What's that mean exactly? $5000, $10000, $20000? :oo:
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20th March 2010, 10:42 PM
Thread: 4 in 1 tig or 4 in 1 mig?
by Edd- Replies
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If you are just after a stick welder, I highly...
If you are just after a stick welder, I highly recommend the BOC Smootharc 170. I bought one just over a year ago for just under $400 from memory. It has a really good duty cycle* and nice non-stick...
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8th March 2010, 03:19 PM
Thread: AL320G/L141 threading question
by Edd- Replies
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barkersegg, could you please post the stuff...
barkersegg, could you please post the stuff publicly? I'd be interested, as would anyone else looking at this thread who might need help. Thanks.
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7th March 2010, 07:50 PM
Thread: AL320G/L141 threading question
by Edd- Replies
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What are all the columns on sheet 1 where you...
What are all the columns on sheet 1 where you have headings 24, 26, 27, etc, then cells of mainly zeros with a few ones?
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7th March 2010, 12:22 PM
Thread: AL320G/L141 threading question
by Edd- Replies
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Well, it's just like he says - and you were on...
Well, it's just like he says - and you were on the right track with your previous calculations.
Make sure you definitely have a 3mm leadscrew. Assuming that's the case, it would seem that 0.3,... -
7th March 2010, 11:51 AM
Thread: AL320G/L141 threading question
by Edd- Replies
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The following I have typed from Martin Cleeve's...
The following I have typed from Martin Cleeve's Screwcutting in the Lathe, p81-82:
Note that the thread chasing dial that he mentions is pictured in the book with 30, 60, 90 & 120 marked 90... -
7th March 2010, 11:09 AM
Thread: AL320G/L141 threading question
by Edd- Replies
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Either that or learn to count and remember simple...
Either that or learn to count and remember simple things. :p
Sure it can get confusing sometimes, but if you have that much trouble, just write on a piece of paper which numbers/marks you can... -
2nd March 2010, 10:22 AM
Thread: DIY TIG Welder
by Edd- Replies
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Update: I've finally finished the HF box, but...
Update:
I've finally finished the HF box, but the gas solenoid/relay control box is still a work in progress. I'm pretty much continuing this over at CNCZone in the existing thread, rather than... -
26th February 2010, 10:47 PM
Thread: Online Welding supplier
by Edd- Replies
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Bob The Welder (http://www.bobthewelder.com.au)...
Bob The Welder has hands-down, the best customer service, easy add-to-cart system and reasonable delivery costs. Of the 2-3 emails I've sent Bob, he's replied within a few hours.
National Welding... -
24th February 2010, 11:08 AM
Thread: oxy-acetylene eqpt
by Edd- Replies
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No problems. It may end up cheaper to buy a basic...
No problems. It may end up cheaper to buy a basic kit (be it put together by the manufacturer or your welding shop), then to expand things like tips/nozzles later. Most things on the list you will...
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20th February 2010, 10:18 PM
Thread: oxy-acetylene eqpt
by Edd- Replies
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I've had some good experience ordering from Bob...
I've had some good experience ordering from Bob the Welder in the past. He sells 2 reasonably priced Oxy-Acetylene Kits:
$363
$401 - BOSS kit with more tips and accessories than the one above
Also... -
19th February 2010, 06:11 PM
Thread: Saf Nertabloc 250amp Tigwelder Phases?
by Edd- Replies
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No, no, it's single phase. 3 phase means that...
No, no, it's single phase.
3 phase means that with respect to neutral, you have 3 identical sinusoidal waveforms, out of phase by 120 degrees. In Australia these are 240V RMS phase to ground... -
19th February 2010, 12:22 PM
Thread: Saf Nertabloc 250amp Tigwelder Phases?
by Edd- Replies
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Definitely, as you're now talking about permanent...
Definitely, as you're now talking about permanent internal wiring. It should be left to a qualified, licensed electrician to run one of the active lines over and install a special powerpoint.
... -
19th February 2010, 11:07 AM
Thread: Saf Nertabloc 250amp Tigwelder Phases?
by Edd- Replies
- 7
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- 2,569
Bit more info: 240V is the RMS voltage of a...
Bit more info:
240V is the RMS voltage of a phase to neutral connection, which is a sine wave from about -339V to +339V.
415V is the RMS voltage of any phase to phase connection, so you don't... -
19th February 2009, 05:38 PM
Thread: Help needed ..Electrical
by Edd- Replies
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Either: a) Get the 25k, 16mm linear taper from...
Either:
a) Get the 25k, 16mm linear taper from DSE or Jaycar and wire it like a rheostat - ie. center terminal and one outside, depending if you want resistance to increase with clockwise or... -
18th February 2009, 02:12 PM
Thread: DIY TIG Welder
by Edd- Replies
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It's 90% done. Unfortunately there was some...
It's 90% done. Unfortunately there was some problems with the HV coupling due to the type of transformer I used (switchmode neons don't work well with Tesla coils and these sorts of things). As uni...
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29th December 2008, 07:45 PM
Thread: DIY TIG Welder
by Edd- Replies
- 23
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- 18,840
Yeah I figured as much, as it recently came to my...
Yeah I figured as much, as it recently came to my attention that our lathe (AL340A) has gone up over $1000 since 2005.
Maybe David Gingery will sell more books because of this. :D -
29th December 2008, 11:09 AM
Thread: DIY TIG Welder
by Edd- Replies
- 23
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- 18,840
Thanks. :) Yep. It all comes down to what...
Thanks. :)
Yep. It all comes down to what you like doing as a hobby. One step back is "Why not just buy a welder?" and a step back again is "Why weld? Just buy what you need already welded or... -
29th December 2008, 07:15 AM
Thread: DIY TIG Welder
by Edd- Replies
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a) Shouldn't be over a k. No such thing as a...
a) Shouldn't be over a k. No such thing as a quality 200A inverter TIG unit for $600 with HF start and Solenoid - at least not one I've ever seen. The cheapest *decent* AC/DC machine I've seen is...
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20th December 2008, 10:34 PM
Thread: Trying to post a PDF file
by Edd- Replies
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- 1,690
Yep, just like anything you see on the internet...
Yep, just like anything you see on the internet is a download - unless you uploaded it to someone else and you are seeing what was already on your hard drive.
He just means it's a pain to download... -
20th December 2008, 03:09 PM
Thread: Welding table design
by Edd- Replies
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- 13,571
Ah I see now. Sorry, I thought the diagram was...
Ah I see now. Sorry, I thought the diagram was for your workbench for some reason - ie. the one off job.
There are many ways of doing it. One would be to make a jig and make 80 of the 2400 x 900... -
20th December 2008, 02:11 PM
Thread: Trying to post a PDF file
by Edd- Replies
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I think it is more to do with the forum settings....
I think it is more to do with the forum settings.
I have uploaded your file to Image Shack (click) for online viewing. -
20th December 2008, 10:10 AM
Thread: Welding table design
by Edd- Replies
- 37
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- 13,571
Nice drawing, but are you sure you want to make...
Nice drawing, but are you sure you want to make it out of galvanised? You would have to grind every joint before welding only to spray galvanised paint back on the welds afterwards. I like the idea...
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18th December 2008, 01:44 PM
Thread: ARC Welder power problems
by Edd- Replies
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Power points are 240VAC (actually 230 now, but...
Power points are 240VAC (actually 230 now, but close enough with tolerances), 50Hz. Should just plug in. Anything on it about rated input current? You don't want to trip a breaker.
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14th December 2008, 07:46 PM
Thread: DIY TIG Welder
by Edd- Replies
- 23
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- 18,840
Hoping to have this finished early January (won't...
Hoping to have this finished early January (won't start until after xmas when I have the Smootharc 170)
I have the 9kV transformer and bought my spark plugs - champion gold for $2 each on ebay -... -
12th December 2008, 05:08 PM
Thread: Small steps
by Edd- Replies
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- 5,786
Congratulations. :)
Congratulations. :)