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Type: Posts; User: Screwmachine

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  1. Replies
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    When I was a Volvo mechanic in the mid 90s we...

    When I was a Volvo mechanic in the mid 90s we frequently had to replace entire wiring harnesses due to the crumbly insulation you describe. Was told they had switched to a more eco friendly process...
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    My wife's English father was looking at my small...

    My wife's English father was looking at my small lathes and we got talking about U.S. makes and I mentioned Derbyshire and he raised an eyebrow and corrected me darbishure.

    I and everyone I know...
  3. I agree too it looks like a toolmaker's...

    I agree too it looks like a toolmaker's microscope that has been adapted. It reminds me a bit of the small Leitz jig borers, which has a sister machine that was just a microscope but was very similar...
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    I and several folks I know have used Loctite 480...

    I and several folks I know have used Loctite 480 cyanoacrylate (black, rubber reinforced)for years, decades. It's fantastic for holding thin work down where no other fixturing would be practical.
    ...
  5. Is it the same batch of steel? I've seen pretty...

    Is it the same batch of steel? I've seen pretty massive differences in 316L bar from different suppliers. Some is pretty nice, some is pretty nightmarish.
  6. Dritz makes a sharpener for I think the smaller...

    Dritz makes a sharpener for I think the smaller blades, wouldn't be hard to make a larger version. It's a clamp for the blade, and a ring with two grits of sandpaper angled to match the blade edge....
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    They were posted a year or two back, like 20k and...

    They were posted a year or two back, like 20k and 30k (don't know which price for which), not surprised they're still for sale.
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    There are chucks that will do centering and tilt,...

    There are chucks that will do centering and tilt, but I've only seen them on ornamental lathes like Leinhardt or Holzapffel and they see light cuts and maybe 5 RPM.
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    I think Hardinge guaranteed 40 millionths on...

    I think Hardinge guaranteed 40 millionths on their lathe spindles... You could just get a Moore Nanotech lathe, I'm sure they can advise on chuck options. At 10 millionths you better have surface...
  10. Does the cup that's on the shaft screw off? There...

    Does the cup that's on the shaft screw off? There are a couple for sale here on our little version of Ebay, and I'm sure many more available. The seller in the link below says it's a 17mm x 24tpi...
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    If you're new to heat treatment definitely use...

    If you're new to heat treatment definitely use plain old O1 steel. It's almost magically forgiving and surprisingly effective despite efforts to make it not work.

    As for making the actual tap...
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    I've reopened crushed watchmaking collets by...

    I've reopened crushed watchmaking collets by sliding them down a smoothing broach. There's no guarantee they will be good afterward, but it's the best method I've found.
  13. Optical comparator I imagine. If your customer...

    Optical comparator I imagine.

    If your customer asked for parts to print A and their customer reject it because they wanted print B it's not that complicated. I've made parts numerous times to the...
  14. Thread: Carla

    by Screwmachine
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    I couldn't find an obit but found out her wife...

    I couldn't find an obit but found out her wife (Trish, Carla used to mention her often) died about 10 years ago rather tragically. Carla had developed around the same time as I recall lung problems,...
  15. Thread: Carla

    by Screwmachine
    Replies
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    2,911

    She was the 15th member to register, back in...

    She was the 15th member to register, back in 2000. Had a slightly different handle then, carla @ tactical-link.
  16. Thread: Carla

    by Screwmachine
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    2,911

    My favorite Carla was when a colleague had made...

    My favorite Carla was when a colleague had made up a few toolholders for the Aloris she stamped "Made in China" on them.
  17. Thread: Carla

    by Screwmachine
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    2,911

    Man that really sucks. She was always one of my...

    Man that really sucks. She was always one of my favorite posters, level headed and knowledgeable.
  18. Detalo lathe center, what does it do?

    Came across this strange center arrangement, only have the pics haven't seen it in person. Seems like a very specialized bit of gear but I can not figure out what it does. Has anyone seen something...
  19. Oh geeze, getting in on the steeling issue......

    Oh geeze, getting in on the steeling issue...
    Yeah proper steels are basically smooth. 99.9% of steels do way more damage than help- including Wustof (I have a couple Wustof knives and they're...
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    I think Forrest might have missed the memo that...

    I think Forrest might have missed the memo that this is a competition.
    Glad to see you back Forrest!
  21. I was kind of surprised that some bystander...

    I was kind of surprised that some bystander didn't get the El Paso guy. Pretty easy to carry there, open or concealed.
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    They would have every 0.10mm, probably from 0.10...

    They would have every 0.10mm, probably from 0.10 though not sure, up to 4mm almost certainly (the collets over about 3mm would likely have stepped bores). So you're missing quite a few!
  23. Would be a special kind of ninja that can kill 5...

    Would be a special kind of ninja that can kill 5 and injure 21 from a car with knives.
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    How can anyone want to be anti-antifascism ? I'm...

    How can anyone want to be anti-antifascism ? I'm pretty sure literally everyone I know personally is.
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    Age, condition, and tooling included will help,...

    Age, condition, and tooling included will help, some pics would be good too. No matter what, jig borers aren't in demand, though the really small ones are (like the size of a small Igloo cooler)and...
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