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I would have
What’s your price for 8 parts? Most Swiss guys give me weird looks when I ask for 8 parts. It’s just not in their mindset even when I am willing to pay.
Now Marcus is pretty valuable, so Swiss shop has a chance on these.
Hmm, I wonder if that's some stuff out of Levin itself. They're in Sante Fe Springs, just a short distance from there.Funny you guy talking about levin lathes, I just came across this small pile of them being auctioned off in California. Don't know anything about these, in particular, or them, levin lathes in general, never having seen one in person.
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The auction is for Optel-Matic Inc. who had lots of Swiss automatics but also a bunch of Levin turret lathes, Levin manual lathes with milling attachments and Levin drill presses.Hmm, I wonder if that's some stuff out of Levin itself. They're in Sante Fe Springs, just a short distance from there.
Levin made screw cutting attachments for their lathes, and I have several of them. In 1984, before getting the OEM Levin attachments, I made my own. I will admit that 1/16-90 is the smallest screw I ever made with one, and that was in 12L14 steel with a knurled head. I have calculated change gear tables for pitches from 10 to 200 TPI and the metric equivalents, so 120 TPI would not be a problem. I wonder if they make 000-120 chasers for the Geometric EJ5 die head. That tool might thread fine silver.This all reminds me of one of our spectacular failures, trying to make 000-120 screws from 0.9999 silver. Starting mater was 1/4” dia round, which even 40 years ago was $100/ inch. We both a nicely kitted Levin and a couple of HLVHs. The Levin could hit the diameter we wanted a couple of tenths better that the HLVH, but no single point threading, so it was necessary to transfer. The problem was that as soon as the threading tool touched the part it crawled over the top of the tool. We turned a few hundred dollars of rod into chips and little twisted bits. Then we decided that using 0.925 (sterling) wouldn’t be the end of the world. We got three good screws in the first four attempts.
Now try Platinum Iridium alloy.This all reminds me of one of our spectacular failures, trying to make 000-120 screws from 0.9999 silver. Starting mater was 1/4” dia round, which even 40 years ago was $100/ inch. We both a nicely kitted Levin and a couple of HLVHs. The Levin could hit the diameter we wanted a couple of tenths better that the HLVH, but no single point threading, so it was necessary to transfer. The problem was that as soon as the threading tool touched the part it crawled over the top of the tool. We turned a few hundred dollars of rod into chips and little twisted bits. Then we decided that using 0.925 (sterling) wouldn’t be the end of the world. We got three good screws in the first four attempts.
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