• Scam Alert. Members are reminded to NOT send money to buy anything. Don't buy things remote and have it shipped - go get it yourself, pay in person, and take your equipment with you. Scammers have burned people on this forum. Urgency, secrecy, excuses, selling for friend, newish members, FUD, are RED FLAGS. A video conference call is not adequate assurance. Face to face interactions are required. Please report suspicions to the forum admins. Stay Safe - anyone can get scammed.
  • Several Regions have held meetups already, but others are being planned or are evaluating the interest. The Calgary Area Meetup is set for Saturday July 12th at 10am. The signup thread is here! Arbutus has also explored interest in a Fraser Valley meetup but it seems members either missed his thread or had other plans. Let him know if you are interested in a meetup later in the year by posting here! Slowpoke is trying to pull together an Ottawa area meetup later this summer. No date has been selected yet, so let him know if you are interested here! We are not aware of any other meetups being planned this year. If you are interested in doing something in your area, let everyone know and make it happen! Meetups are a great way to make new machining friends and get hands on help in your area. Don’t be shy, sign up and come, or plan your own meetup!

Search results

  1. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    https://content.fanucworld.com/understanding-the-printed-circuit-boards-in-your-fanuc-cnc-machine/#:~:text=Unsurprisingly%2C%20if%20you%20open%20up,far%20longer%20when%20stored%20correctly.
  2. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    Electronics has a lot of down sides as well: 1. it does not last - it breaks down after say 20 years in almost all equipment. Even military grade one does not last much above 30. 2. software can be DRM locked - so you cannot easily fix things or modify things without extreme expense. 3. fixing...
  3. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    Damm, just checked - I was under impression what I got in a bottle was ISO 18 and if I add any ISO 15 it would be too water like! Turns out ISO 15 straight is actually... on the thicker side - the recommended oil is actually ISO 10 (!) Maybe I should do an oil change? I mean the thing leaks...
  4. Tom Kitta

    Telescope secondary mirror support system

    I always wanted to watch the stars... but somehow never got around to it. Except when I was a kid and when I was in college - took astronomy as elective - back when they did not have any extra terrestrial planets yet discovered.
  5. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    Well, I run out of ISO 18 oil but I am mixing ISO 15 oil (its totally like water) with ISO 22 or ISO 32 oil to get "ISO 18". By any chance do you have electronic version of the manual? I worked on 1in just an hour ago - got it precisely at 1in plus minus like a tenth. I run at max 1500 rpm...
  6. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    I have very little oil left - I just added some. It does sound bad - I may take off the belts to see whatever it makes a difference. BUT, it seems to work - i.e. I use the lathe almost daily without a problem - I am just afraid to run it at full speed - at max. I try to make it sloppy and see...
  7. Tom Kitta

    Machine Video of a healthy (?) Kopp variator

    Ok - here is the noise mine makes -
  8. Tom Kitta

    Telescope secondary mirror support system

    https://en.wikipedia.org/wiki/Kovar Composition makes it sound like rather expensive alloy.
  9. Tom Kitta

    Mini rant - who drills the holes on these economy lathes?

    So I had the same issue with Czech made lathe - this is more or less German level. The holes for mounting the gap in the lathe were very hard to replicate as they were... all over the place. Difference of like 1mm+ Since it does not matter during manufacturing how much "off" the holes are from...
  10. Tom Kitta

    WTB 220v 1 phase 1 hp motor

    Yeah I have some strange motors like that - picture?
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