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12th June 2012, 10:08 AM #1Ring Master
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Where can I Buy a Tap to suit Lathe?
I have a mini-lathe that has a 1" x 10 TPI thread and I wish to make some threaded wooden face plates to suit.
I don't know how to describe the thread properly and am having difficulty findind a supplier of a "tap" to suit.
I would imagine that there are quite a few woodturners out there that have faced this problem and have overcome it.
I would be grateful for some helpful advice.
regards, Ned
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12th June 2012, 12:56 PM #2SENIOR MEMBER
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Google "thread chasers for wood"
You'll easily find a number of links to videos, web sites and downloadable docs describing cutting/chasing thread techniques.
I was interested until talking to other forumites at the Bris TWWS I found the slowest speed on my lathe is to fast. Pretty sure speeds of 500rpm and under are recommended. I'm sure when true practitioners read your post they'll weigh in. If not, maybe change your post/thread title to "chasing".
I've seen Sorby and Hamlet sell chasing tools in a range of tpi to name two.. Usually sold as pairs for internal and external threads. They are used in making threaded lidded boxes and shaped accordingly. I have seen techniques described for handmade and re-shaped/re-purposed tools too.
How many faceplates do you want? The $ may speak and rule out specialized tools and back to metal faceplates.
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12th June 2012, 01:11 PM #3
You will find the 1" x 10 TPI is non standard, all 1" being BSW or UNC the 8TPI
Meredith Distribution
This done deliberately so as to maintain the manufacturers exclusivity on parts
you may at a pinch find it from a specialist engineering supplies but the price will be horrendous dont expect too much change out $200.
The way to go is to make your own thread via thread chaser. I can help you there as I make my own chasers. In fact I am making a 10tpi for a guy in Queensland next week.
Slow speeds for chasing are the way to go start around 200rpm. If your lathe wont go so slow you can get your mate to spin the chuck while you chase the thread.Inspiration exists, but it has to find you working. — Pablo Picasso
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12th June 2012, 01:14 PM #4Retired
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Any large engineering supply places or Ebay will carry them or can get one in.
Just ask for an 1" x 10 TPI Tap.
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12th June 2012, 01:15 PM #5Retired
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Hughie beat me.
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12th June 2012, 01:20 PM #6]Hughie beat me
try here [email protected] I buy some unusal taps and dies for this guy. Hes on Ebay but you can deal direct via bank deposit and hes reliable.Inspiration exists, but it has to find you working. — Pablo Picasso
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12th June 2012, 01:35 PM #7
I just borrowed one from Powderpost.
Cliff.
If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.
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12th June 2012, 02:25 PM #8
There it is again!!!!!!
That blokey spirit that lurks in this ForumJust do it!
Kind regards Rod
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12th June 2012, 02:37 PM #9SENIOR MEMBER
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12th June 2012, 02:56 PM #10Member
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I found a couple on the US Ebay site, one is $70 USD plus shipping, the other is from the UK, approximately $45 USD with the shipping.
DORMER E536 TAP 1" - 10 BSF No3 Bottom Tap | eBay
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12th June 2012, 03:58 PM #11Ring Master
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- Lake Macquarie NSW Australia
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Thanks Guys for all your suggestions. And Thanks to Tim for suggesting McJing.
I had looked at their online catalogue and did not see it listed but after Tim's suggestion I telephoned. They are currently out of stock but will have some in their next shipment in approximately one month from now. I will get one from McJing.
regards, Ned
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12th June 2012, 05:12 PM #12GOLD MEMBER
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It's listed in my copy of McJings catalogue .I bought an M30 3.5 tap from them a few months ago and it works fine in wood .
Ted
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12th June 2012, 10:36 PM #13
I got a 1" x10 TPI tap at a tool sale for $10. Its not that unusual.
anne-maria.
Tea Lady
(White with none)
Follow my little workshop/gallery on facebook. things of clay and wood.
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13th June 2012, 12:47 AM #14
crikey
They may also have a 1"x10 TPI at a simular price.
Hah BSF shoulda thought of that myself, mind you its been along time since have any use for BSFInspiration exists, but it has to find you working. — Pablo Picasso
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13th June 2012, 01:26 AM #15GOLD MEMBER
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- North Carolina, USA
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You might see what 1" x10 TPI nuts sell for. Turn a hole in a block of stout wood that is a press fit on the edges of the hex on the nut, put some good scratches on the nut with 60 or 80 grit, scrub with water and dishwashing detergent to remove any oil, dry and slather epoxy on the inside of the wood and outside of the nut and use the tailstock of the lathe to press the block of wood on to the nut threaded on to the well oiled spindle.
Turn the spindle by hand to see if the disk wobbles and tap gently to get it running more or less true. Face it off after the epoxy sets.
Here in North Carolina, USA, 1 X 8 TPI nuts are cheap as dirt, 1 1/4 X 8 a bit more, 33mm X 3.5 metric are an arm, a leg, and one's first born child. I recall 3 for about $21.
I have bought all sizes and have done the above for making disk sanders and hand wheels, as well as welding on steel plates for a faceplate.So much timber, so little time.
Paul
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