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Have you considered a " Dutch" key? Which is a allen screw drilled in from the end of the shaft through the nut and shaft. Do it up and it prevents the nut movement.

Thanks for the info. The reason I was looking at BOC is I was thinking about after sales service if anything died within warranty. I have bought several welders from them and the last was a Chinese...

I am thinking of buying a plasma cutter, a quick look at BOC and they have one for $900+ , on Ebay there are combination tig/plasma for around $400, Rossi brand.
Does anyone have any experience...

Thanks for the links.
Clive

Can anyone point me to where I can get plans of rollers that would roll 3 to 6 mm flat ?

I find the opposite generally, I am a Hindi speaker and have found that in the northern states even those who normally speak a dialect have no problem understanding me and only a few times have been...

On my lathe cutting a thread like that I have the same problem with the live centre getting in the way, I leave an extension, turned down to less than thread minimum dia. This allows the centre to be...

Technically because they use the Imperial system of inches UNC and UNF come under this grouping. If you are cutting either of those the thread angle is 60o so you can set your compound 29.5o but...

Amazing what a difference the right gears make.

Cast iron plates make good welding tables, we had them where I did my apprenticeship and the good thng was if you got a blob of weld stuck to them you could give it a smack with a cold chisel and it...

My concern would be the stumps are pipe set in concrete. Eventually it will rust through at concrete level. For that reason you are better to put in a heavy plate and weld the pipe to it. When it...

OK, first, check my edit of the previous post, it requires a 24driving a127 driving a 48. I had the 127 in there but the final drive of the 48 was off the 120.
i had cut the 32 tpi and it was...

Buggeration! Silly old git! It is a 24 driving a 127 driving a 48. Some idiot looked at the 24 and the 48 and left the 120 in the train. So it was the 120 driving the 48.
Many thanks, i think I'll...

I checked it but I'll go and have another slower look.

No, not that. I thought maybe the gears had too much backlash but it wasn't the cause. I wonder if the lever mechanism where it engages has moved/slipped and is causing it.
i havent checked the 24...

I think I might have solved it, I'll try it this evening Andrew post the results.

Stuart, it does this on any thread.. As I said it has only just started doing this. I cut threads two weeks ago absolutely normal, but last week I was cutting a 32 tpi and it started tearing the...

I can't remember if I have done an intro before so I'm do it probably for the second time.
I am a retired Fitter Machinist living in Bunbury WA.
I have a small fairly well equipped shop that sort...

Hi,
i have a Hafco badged AL336D and it has just started to play up when threading, It wont engage in the exact same place when the dial comes round regardless if it's the same number or various...

Hi, I'm a retired Fitter & Turner, have a home workshop, lathe, mill drill press various welders, gas axe, power hacksaw etc.etc. Enjoying doing what I have done all my working life but for me and no...