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Thread: M30 thread cutting
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24th May 2009, 07:49 PM #1
M30 thread cutting
Hoping someone can help me here.How is the M30 thread cut on the spindle of a lathe? Is it turned on a machine lathe or can it be cut with a thread die? The reason I ask is because I have in my hot little hands a length of 30 mm steel rod that I would like to have threaded at one end to be able to fit my scroll chuck to.An idea I am working on at the moment. And if anyone knows how, do you also know someone that can do it for me? Preferably in the eastern or south eastern burbs of Melbourne.Mates rates would also be appreciated
Cheers
Shorty________________________________________
Cheers
Shorty
If I can't turn it I'll burn it
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24th May 2009 07:49 PM # ADSGoogle Adsense Advertisement
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24th May 2009, 07:58 PM #2
For a lathe spindle I'd say with 99% certainly that it'd be cut on a CNC lathe but you can get it done with a die or on a normal lathe.
It's just a matter of finding someone who is geared up for it.
Try posting a need a 30mm x 3.5mm thread turned in the METALWORK FORUMCheers
DJ
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24th May 2009, 08:04 PM #3
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24th May 2009, 08:10 PM #4
Depends
Can be done both ways. Have a firm grip of the sales counter when you ask the price of the die at the tool shop. It also depends on the grade of steel bar you have. Harder alloys will be harder to machine either way. Have you run a file over the bar somewhere? If you can gouge the material easily with the file I would just go and buy the die. If the file skips and scratches rather than gouges then take it to a machine shop. Hold counter firmly when price is quoted.
Last edited by Enfield Guy; 24th May 2009 at 08:11 PM. Reason: Grammar
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24th May 2009, 08:15 PM #5
I can't get a 30mm die from my supplier, so there's a chance it doesn't exist. You could get a custom made one, but cutting on a lathe would be a better idea
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24th May 2009, 08:24 PM #6
30X3.5 rod
Hi, I remember buying a lenght of threaded rod about 900 long years ago, 30X3.5 thread. If you check on bolt suppliers, you may get lucky!
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24th May 2009, 08:35 PM #7
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24th May 2009, 08:37 PM #8
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24th May 2009, 08:38 PM #9
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24th May 2009, 08:39 PM #10
There are plenty of small machine shops in the Dandenong/South Dandenong area that would probably do it for you. Depending on what it's worth to you, you might even get it done for that universal currency, a slab . I would offer to do it for nix, but I no longer have access to lathes. If you get stuck PM me, I still have some contacts.
To grow old is inevitable.... To grow up is optional
Confidence, the feeling you have before you fully understand the situation.
What could possibly go wrong.
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24th May 2009, 08:39 PM #11
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24th May 2009, 09:01 PM #12.
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Guys - Mcjing have 30 x 3.5 taps and dies for a whole . . . . . . . . .$18 each!!!!
I bought the tap last year and made a couple of Ally face plates for my WW lathes. I drilled the holes with an 27 mm MT2 drill I borrowed from work
The tap you can turn with a pair of adjustable spanners, but the die is 65 mm in diameter ! I have been meaning to buy a die but I want to make the die holder first.
Cheers
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24th May 2009, 09:31 PM #13
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24th May 2009, 09:46 PM #14
Well said.
http://www.metric-tools.com/page/page/4024230.htm, for example, shows that they are available.
- Andy Mc
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24th May 2009, 09:54 PM #15Retired
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M30 allthread is also available. Not sure of pitch but 3,5 is standard.
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