• 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.
  • The 2026 Calgary Area Meetup is set for Saturday May 30th at 10am. The signup thread is here! Robinhood has graciously offered to host the meetup again this year. Please note that you MUST RSVP to the notice linked above if you wish to come.

Latest activity

What's new Featured content New posts Latest activity
  • M
    mbond replied to the thread Non contact laser rpm monitors.
    I think it is a lot easier to believe if you see these machines in person and get a sense of just how enormous they are. The pictures...
  • P
    PeterT posted the thread 935 mill oil sump in Looking for Answers? We're here to help!.
    When I took the side panel off my 935 mill (Bridgeport clone) I noticed a gooey mess of oil drippings. Maybe 2-3 mm thick? I was...
    • 08-27-2026-004.jpg
  • DPittman
    DPittman reacted to whydontu's post in the thread Respect with Love Love.
    Back to the respect aspect, the ceremony also honours the brilliant and talented men and women who built those machines, and did such a...
  • DPittman
    DPittman reacted to Elektrishun's post in the thread Respect with Like Like.
    The trillions of dollars being spent say that someone is taking a keen interest.
  • P
    PeterT replied to the thread Tapered counterbores.
    Forgot to mention, if you are doing it on a mill anyway, might help to raise the table vs lowering the quill in drill press mode. The...
  • M
    mbond reacted to Sqought's post in the thread Non contact laser rpm monitors with Like Like.
    A non-technical argument: the Soviets confirmed it at the time. What could have possibly convinced them to do that other than it having...
  • Susquatch
    Susquatch replied to the thread Tapered counterbores.
    Yes, they actually have to go through the paper. The paper isn't there to stop the cutting. Instead it just dampens the harmonic...
  • P
    PeterT replied to the thread Tapered counterbores.
    Yup that faceted hole is classic excessive RPM. Happens on chamferring cutters too. The slower RPM the better. Sometimes it has a sweet...
  • trlvn
    trlvn replied to the thread Tapered counterbores.
    Interesting! I'd never heard of this wax paper trick. Not sure how it could work as the cutting edges will presumably go right through...
  • trlvn
    trlvn replied to the thread Tapered counterbores.
    OK, I'll give that a go on the weekend. Thanks, Craig
  • trlvn
    trlvn reacted to thestelster's post in the thread Tapered counterbores with Like Like.
    Go real slow like under 100rpm, slowest speed you got. Use the depth stop so it dwells at the proper depth.
  • Susquatch
    Susquatch replied to the thread Tapered counterbores.
    ^ this @trlvn - three blades will almost always want to chatter. Ya gotta go slow and force the blades to cut instead of bounce...
  • J
    JustaDB reacted to Mike R's post in the thread Tool Rotary tool mounted TIG electrode grinding jig-Anybody use one? with Like Like.
    heres a picture of it in all its glory, clamped to the table to prevent it running away - the wheels are quite unbalanced but I have no...
  • quitereal
    quitereal reacted to thestelster's post in the thread Tapered counterbores with Like Like.
    Go real slow like under 100rpm, slowest speed you got. Use the depth stop so it dwells at the proper depth.
  • quitereal
    quitereal reacted to trlvn's post in the thread Tapered counterbores with Like Like.
    I'm working on a small Harold Hall project and I'm modifying socket head cap screws (#8-32) to have a tapered head that locks in a...
Show older items
Back
Top