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Type: Posts; User: OxxAndBert
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27th Mar 2024, 08:39 AM
Thread: Unimig Compressor for Plasme Cutter
by OxxAndBert- Replies
- 6
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- 356
Unimig Compressor for Plasme Cutter
Mate of mine has a plasma with inbuilt compressor that he bought about 10 years ago. Not sure what brand.
I didn’t come across any when I was looking for a cutter myself, but I see that weldclass... -
26th Mar 2024, 11:05 PM
Thread: Old stick welding rods
by OxxAndBert- Replies
- 3
- Views
- 171
I’m still using the Eutectic 680’s I was given in...
I’m still using the Eutectic 680’s I was given in 1991. In fact I used some on the weekend to weld an axle flange on the old Landrover ute. The previous repair using the same rods lasted 10 years!!...
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21st Mar 2024, 08:37 PM
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- 6
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- 257
Hafco have some push on/push off switches that...
Hafco have some push on/push off switches that might be able to be adapted
https://www.machineryhouse.com.au/spare-parts-switches
Steve -
20th Mar 2024, 09:43 AM
Thread: Advice on Oxy/Acetylene kit
by OxxAndBert- Replies
- 34
- Views
- 1,525
Always good to meet other forum members in person...
Always good to meet other forum members in person and glad they’ve gone to a good home.
Happy welding!!
Steve -
15th Mar 2024, 05:00 PM
Thread: Advice on Oxy/Acetylene kit
by OxxAndBert- Replies
- 34
- Views
- 1,525
Here’s the old torch set that’s soon heading to...
Here’s the old torch set that’s soon heading to its new home.
It’s “Elga”brand. It was already relatively old when I bought it in 1985, and was still working fine when I last used it around 2004 :)... -
15th Mar 2024, 12:57 PM
Thread: Advice on Oxy/Acetylene kit
by OxxAndBert- Replies
- 34
- Views
- 1,525
I guess the term "ownership" gets a bit technical...
I guess the term "ownership" gets a bit technical - but there's clearly "rental" and "perpetual once off up front payment for the bottle". As you say - some mixed arrangements with that once-off cost...
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13th Mar 2024, 10:06 PM
Thread: Advice on Oxy/Acetylene kit
by OxxAndBert- Replies
- 34
- Views
- 1,525
I see you’re in Melbourne, so good chance there...
I see you’re in Melbourne, so good chance there is a dedicated welding supply place nearby that will let you handle the gear.
BOC, Migomag, Migwell as well as plenty of independent welding and... -
13th Mar 2024, 03:42 PM
Thread: Advice on Oxy/Acetylene kit
by OxxAndBert- Replies
- 34
- Views
- 1,525
I did a lot of oxy-acet welding as a young bloke....
I did a lot of oxy-acet welding as a young bloke. Just hobby stuff, never welded as a trade.
I no longer have oxy-acet gear as I simply don't see a need for it. I have oxy-lpg for cutting thicker... -
12th Mar 2024, 05:30 PM
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- 27
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I’m NOT a sparky so can’t give a specific...
I’m NOT a sparky so can’t give a specific regulation reference, but definitely not kosher in my experience.
It’s a sub board, should be on its own circuit and the 6mm feed to the shed doesn’t... -
7th Mar 2024, 10:45 PM
Thread: Metal shaping with the metal shaper
by OxxAndBert- Replies
- 7
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- 536
A decent face mill would make short work of the...
A decent face mill would make short work of the bulk material removal.
Steve -
7th Mar 2024, 03:17 PM
Thread: AR9 Lathe alignment
by OxxAndBert- Replies
- 9
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A thou along the top and basically nothing along...
A thou along the top and basically nothing along the front face - I'd be over the moon about that!!
Sort out the tailstock height and start making chips I'd think.
Steve -
2nd Mar 2024, 08:43 PM
Thread: Specialty Steel Supply
by OxxAndBert- Replies
- 21
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- 1,315
Trailer axles come up frequently on Facebook...
Trailer axles come up frequently on Facebook marketplace etc too.
Forklift tynes are a great source of high quality non-round steel. Pretty sure they are 4140 or similar. Machines beautifully but... -
1st Mar 2024, 03:03 PM
Thread: Specialty Steel Supply
by OxxAndBert- Replies
- 21
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- 1,315
I realise you were asking specifically about new...
I realise you were asking specifically about new steel, but if you want to save a few dollars for smaller diameter stock then keep an eye out for high tensile bolts
IME they are nice steel to work... -
1st Mar 2024, 08:43 AM
Thread: Indexable carbide end mills
by OxxAndBert- Replies
- 33
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- 1,927
Easy!! Slightly too aggressive on the feed/DOC...
Easy!!
Slightly too aggressive on the feed/DOC and ping - it just happens :)
Practically though, there’s probably only the same cross section of material as a 4mm solid endmill - so I’ll cite... -
29th Feb 2024, 04:00 PM
Thread: Indexable carbide end mills
by OxxAndBert- Replies
- 33
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Just for interest, no material left in the center...
Just for interest, no material left in the center a 2 insert 14mm diameter BAP300 tool holder once the pockets are cut.
Here’s one I broke recently. Something to keep in mind when looking at... -
28th Feb 2024, 03:45 PM
Thread: Indexable carbide end mills
by OxxAndBert- Replies
- 33
- Views
- 1,927
Good info Karl. My own observation is that the...
Good info Karl.
My own observation is that the recognised brand manufacturers don't typically run the generic (eg APxx) inserts for milling. I've come across a couple of exceptions, but in... -
26th Feb 2024, 09:39 PM
Thread: Indexable carbide end mills
by OxxAndBert- Replies
- 33
- Views
- 1,927
Thanks Karl - that pretty much confirms what I...
Thanks Karl - that pretty much confirms what I thought ie that the cheap ones are crap but a good one will work well.
IME there is no way known you’ll get that sort of performance out of the eBay... -
25th Feb 2024, 09:31 PM
Thread: Precision ground flat stones
by OxxAndBert- Replies
- 23
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- 1,147
What I meant by "agricultural" was the possible...
What I meant by "agricultural" was the possible applications in my workshop compared to the higher precision surfaces I understood the stones were originally intended for (like his beautiful vee...
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25th Feb 2024, 08:28 PM
Thread: Precision ground flat stones
by OxxAndBert- Replies
- 23
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- 1,147
I was pretty sure there had been discussion here...
I was pretty sure there had been discussion here previously about them.
Finally found the thread - started by JHovel back in 2017 when he made some of his own.
... -
25th Feb 2024, 04:54 PM
Thread: Precision ground flat stones
by OxxAndBert- Replies
- 23
- Views
- 1,147
Precision ground flat stones
I agree Michael, but I think we’re both considering applications that are magnitudes more agricultural than they are actually intended for.
FWIW - here’s the Robyn Renzetti video I referred to... -
25th Feb 2024, 11:32 AM
Thread: Precision ground flat stones
by OxxAndBert- Replies
- 23
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- 1,147
My understanding of the purpose of grinding them...
My understanding of the purpose of grinding them is to actually grind the tops of the grit flat, so that they won't cut like a normal stone (and hence won't actually cut the primary surface).
... -
24th Feb 2024, 09:00 PM
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- 539
Back in my youth we used the old nichrome wire...
Back in my youth we used the old nichrome wire wound radiant heater elements as rheostats for charging motorbike batteries from dumb car battery chargers. Normally to use as spotlighting batteries. ...
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23rd Feb 2024, 09:44 PM
- Replies
- 11
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- 539
I have tried that a few times in the past, but...
I have tried that a few times in the past, but TBH what normally happens is I get bored watching it, get distracted with something else, forget about it, go inside, then remember in the middle of the...
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23rd Feb 2024, 09:36 PM
- Replies
- 11
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- 539
Thanks John. I generally agree with what...
Thanks John.
I generally agree with what you're saying in regards to testing start/cranking batteries.
I don't see that it applies directly to deep cycle batteries though, where its capacity... -
23rd Feb 2024, 03:17 PM
- Replies
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- 539
12v lead-acid battery tester recommendation
I seem to accumulate a few 12v batteries around the place.
Cranking batteries, deep cycle ones, traditional wet lead-acid, AGM, VRLA etc and ranging from small 6Ah ones through to about 150Ah. I... -
21st Feb 2024, 09:41 AM
Thread: Indexable carbide end mills
by OxxAndBert- Replies
- 33
- Views
- 1,927
I'm definitely not a fan of them. I find them...
I'm definitely not a fan of them. I find them harsh and noisy, and not very effective for steel. Mill is a 1.8T TOS FNGJ32 so rigidity isn't particularly an issue.
Possibly its the cheap crap... -
20th Feb 2024, 09:31 PM
Thread: Turning small extended diameters
by OxxAndBert- Replies
- 9
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- 1,061
Turning small extended diameters
Not my tip - I learned this from Joe Pie on Youtube a few years ago. I've had to use it a couple of times lately so thought I'd share in case anyone doesn't know about it.
Here's the original video:... -
20th Feb 2024, 01:16 PM
Thread: 80mm Chuck on a 12x24 lathe
by OxxAndBert- Replies
- 4
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- 654
I read your original post saying you unscrew it...
I read your original post saying you unscrew it to put on your rotary table - but didn’t click that you were unscrewing it from the stub.
I was actually wondering how you were mounting it on the... -
19th Feb 2024, 08:25 PM
- Replies
- 12
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- 1,103
Just a quick update... My can of CRC 3-36...
Just a quick update...
My can of CRC 3-36 arrived the other day, so I've given the T&C grinder a spray.
Weird stuff - looks like any other thin oily spray when it goes on, but come back the next... -
18th Feb 2024, 04:13 PM
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- 13
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- 766
I think your original reasoning was somewhat...
I think your original reasoning was somewhat sound, but possibly some mixed/invalid references.
I haven’t looked at how you might have got the initial thread depth, but referring to this page... -
17th Feb 2024, 04:29 PM
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- 766
I typically just use diameter minus pitch to get...
I typically just use diameter minus pitch to get the ID.
In this case for 30mm x 24TPI, it’s about 1.05mm pitch - so bore the ID 28.95.
Steve -
16th Feb 2024, 10:36 PM
Thread: Makita drill chuck removal ideas?
by OxxAndBert- Replies
- 33
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- 1,298
Sometimes trying to tighten a screw can get you...
Sometimes trying to tighten a screw can get you enough movement to break it loose.
Another tip is to use a smear of valve grinding paste on the bit. It provides some additional friction -... -
15th Feb 2024, 10:34 PM
Thread: CNC metal cutting questions
by OxxAndBert- Replies
- 23
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- 822
From what I can find online the minimum radius...
From what I can find online the minimum radius for internal corners is typically about 0.75mm.
I know there’s also a general rule that the minimum hole diameter is 1x the material thickness. Not... -
15th Feb 2024, 04:00 PM
Thread: CNC metal cutting questions
by OxxAndBert- Replies
- 23
- Views
- 822
CNC metal cutting questions
You can definitely work around the internal corner radius issue depending on which faces/features are critical
Here’s a quick sketch of a couple of example options for internal radii.
From left... -
15th Feb 2024, 12:55 PM
Thread: CNC metal cutting questions
by OxxAndBert- Replies
- 23
- Views
- 822
What thickness material? I’m assuming under...
What thickness material?
I’m assuming under about 20mm as that’s about the practical limit of laser IME…
Steve -
15th Feb 2024, 08:24 AM
Thread: Hydraulic cylinder end cap threads ?
by OxxAndBert- Replies
- 9
- Views
- 608
Nice find Elan. That’s a simple and very useful...
Nice find Elan. That’s a simple and very useful calculator.
I got just over 1000psi from a quick calc using 28,29.5 diameters and the default 350/500 MPa strengths for steel (conservative since the... -
15th Feb 2024, 08:16 AM
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- 32
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- 2,485
Beautiful. Like an oversized watch on steroids!! ...
Beautiful. Like an oversized watch on steroids!!
I have accumulated a few spare milk bottle fuses - in case you happen to need any.
FWIW - My Thiel has a clutch pedal on the front that engages... -
14th Feb 2024, 09:53 PM
Thread: Hydraulic cylinder end cap threads ?
by OxxAndBert- Replies
- 9
- Views
- 608
I’d be interested to see how you’re using it with...
I’d be interested to see how you’re using it with the vice once you’ve got it all together.
Steve -
14th Feb 2024, 08:32 PM
Thread: Hydraulic cylinder end cap threads ?
by OxxAndBert- Replies
- 9
- Views
- 608
Very good point. I hadn’t picked up on the 2mm...
Very good point.
I hadn’t picked up on the 2mm wall thickness
Steve -
14th Feb 2024, 06:14 PM
Thread: Hydraulic cylinder end cap threads ?
by OxxAndBert- Replies
- 9
- Views
- 608
Is it for the rod end of the cylinder of the eye...
Is it for the rod end of the cylinder of the eye end?
I’m assuming the rod end so the force on the end cap will be less as it has the rod through it reducing the effective area the pressure is... -
14th Feb 2024, 02:03 PM
Thread: G'day from New South Wales
by OxxAndBert- Replies
- 4
- Views
- 610
Welcome aboard Tom. Unfortunately the old iron...
Welcome aboard Tom.
Unfortunately the old iron disease isn’t curable, but plenty of us around for mutual support ;)
Steve -
10th Feb 2024, 09:12 PM
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- 32
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- 2,485
I can a the chip clearing air pump (my Thiel has...
I can a the chip clearing air pump (my Thiel has similar but more ancient).
There are 2 other BIG features that are awesome - but I’m not going to spoil the story ;)
Steve -
9th Feb 2024, 06:48 PM
- Replies
- 12
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- 1,173
Years ago there used to be electronic kit sets...
Years ago there used to be electronic kit sets that would plug in between the 240v outlet and the load (ie pump in your scenario)
When there was current flowing to the load it would turn on a... -
8th Feb 2024, 05:12 PM
Thread: Metal Spinning
by OxxAndBert- Replies
- 14
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- 987
If you’re only threading wood, I’d suggest trying...
If you’re only threading wood, I’d suggest trying to find a bolt the right size and cut/grind some straight flutes in it to turn it into a rough tap.
Even better if you can get one that’s high... -
8th Feb 2024, 03:09 PM
Thread: Metal Spinning
by OxxAndBert- Replies
- 14
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- 987
Either of those motors should work fine on a...
Either of those motors should work fine on a 220-380v step up VFD like the cheap Ecogoo/Nflixin brand ones.
Big difference in power between them though - 1hp and 4hp.
Steve -
8th Feb 2024, 09:15 AM
Thread: maximat v10 thread cutting .
by OxxAndBert- Replies
- 4
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- 465
Assuming you meant 19TPI (not 19mm) then that...
Assuming you meant 19TPI (not 19mm) then that seems correct to me - but easiest way to confirm is to chuck up a bit of stock and run a test pass the check what you actually get using thread pitch...
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7th Feb 2024, 02:11 PM
Thread: Capstan/Turret lsthe spindle direction
by OxxAndBert- Replies
- 8
- Views
- 473
Perhaps the eBay ones are the leftovers that...
Perhaps the eBay ones are the leftovers that nobody uses…
Steve -
7th Feb 2024, 01:00 PM
Thread: Capstan/Turret lsthe spindle direction
by OxxAndBert- Replies
- 8
- Views
- 473
Of the 5 boxes I’ve got here, only one of them is...
Of the 5 boxes I’ve got here, only one of them is set up for what I’d call reverse (ie CW looking from the tailstock)
That also seems to be logical from the perspective that most threaded parts are... -
6th Feb 2024, 12:32 PM
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- 425
Gotcha!!! ...
Gotcha!!!
https://uploads.tapatalk-cdn.com/20240206/0726df0db95fa4f6daaaa2a38c18d66b.jpg
https://uploads.tapatalk-cdn.com/20240206/a2d0bb5682517fe6f6dac3a383030bec.jpg
When installed the... -
6th Feb 2024, 12:08 PM
- Replies
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Progress!! ...
Progress!!
https://uploads.tapatalk-cdn.com/20240206/de2e5cd7d05b59e266a0b7e198e2608f.jpg
https://uploads.tapatalk-cdn.com/20240206/3048d5127f39823357b9e073f3299dc2.jpg
The blue sleeve will...