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  1. Replies
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    Hmmm ... could be that there is a new movement,...

    Hmmm ... could be that there is a new movement, parallel to the "me too" movement: the "machine too" movement, which seeks to evaluate (expose and address) abuse of machines. Based on some of the...
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    537

    What kind of mill? When I think "large," I'm...

    What kind of mill? When I think "large," I'm thinking something like a 5-ton Cinci or K&T or such, either horizontal or fixed head vertical. If you have a horizontal mill, this would be easy-peasy....
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    3,979

    MOT, one thing that has been said, that I'm not...

    MOT, one thing that has been said, that I'm not sure has been heard: it is absolutely crucial that there is enough clearance so that the tool is not rubbing on the bore below the cutting edge. The...
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    1,135

    I'm assuming you did this on your Bridgeport? ...

    I'm assuming you did this on your Bridgeport?

    :D
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    480

    Yes, it is not clear exactly what you are...

    Yes, it is not clear exactly what you are experiencing. Your concern with the bronze nuts suggests backlash is the (only?) problem. If my old Cinci Traytop had *only* 20 thou of backlash, I'd think...
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    2,517

    One other question that has not been asked: are...

    One other question that has not been asked: are there any other siblings? No mention of other siblings in the various posts, so I'm guessing not ... but if there are, this potentially gets a whole...
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    437

    Also, spray some WD-40 on those labels and scrub...

    Also, spray some WD-40 on those labels and scrub them down with a paper towel - that would help tremendously in seeing what they say. (WD-40 because it will generally loosen the crud without hurting...
  8. Thread: Starting a Shop

    by awake
    Replies
    86
    Views
    6,454

    ?? The OP was on October 25, 2019 - only 9 days...

    ?? The OP was on October 25, 2019 - only 9 days old.

    Sent from my Lenovo TB-8504F using Tapatalk
  9. To make a left-hand thread, you reverse the...

    To make a left-hand thread, you reverse the leadscrew, not the spindle. Turn the compound to 29.5° or whatever your preference is to the other side of 0 from what you use for right-hand threading -...
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    Pikolo, for ideas on an electronic lead screw,...

    Pikolo, for ideas on an electronic lead screw, check out the you tube videos by clough42. No relation, but his videos are clear and we'll explained.

    Sent from my Lenovo TB-8504F using Tapatalk
  11. Replies
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    2,697

    I agree with everyone else - $125 each is a...

    I agree with everyone else - $125 each is a steal. You may have come out okay on qty 25, but this sounds like a situation where quantity does NOT result in a discount price - quite the opposite, as...
  12. Thread: Starting a Shop

    by awake
    Replies
    86
    Views
    6,454

    My $0.02 worth ... 1) You've heard it several...

    My $0.02 worth ...

    1) You've heard it several times above, but make sure you HEAR it: partnerships are extremely risky. Read through the horror stories on this forum. There might be 1 success...
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    884

    No, the tap does not cut the crests - that would...

    No, the tap does not cut the crests - that would require an inordinate amount of torque. The size of the hole you drill or bore before cutting is what determines the crest.
  14. Replies
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    552

    If you've made steam engines, what about trying...

    If you've made steam engines, what about trying your hand at a model IC engine?
  15. Replies
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    2,234

    Hiltz, I'm no expert, but it sounds to me like...

    Hiltz, I'm no expert, but it sounds to me like you have a recipe for success:


    low debt
    growing reputation for good and on-time results
    no particular competition in your niche in a wide...
  16. Thread: Coworker issues

    by awake
    Replies
    90
    Views
    6,446

    I suspect the swearing is not the issue; from...

    I suspect the swearing is not the issue; from what the OP said, it is the fact that swearing is what this coworker does INSTEAD of doing his job, fixing the problems that arise, etc.

    Change...
  17. Certainly a rope-start is the easiest no-cost way...

    Certainly a rope-start is the easiest no-cost way to get started. Assuming the motor is wired for 240 3-phase, hook up two of the phases to your 240v leads. Hook up all three of the phases to the...
  18. Just my $0.02, but ... Given that...

    Just my $0.02, but ...

    Given that professionals on this site span from those who can machine intricate micro-precision parts, to those who fab multi-ton machinery, to everything in between, I can...
  19. I've not seen the acronym WLA before - whatever's...

    I've not seen the acronym WLA before - whatever's lying around?
  20. Yes, but what about pushrods?

    Yes, but what about pushrods?

    <Ducking and running for cover ...>
  21. Replies
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    The interesting question would be how hard or...

    The interesting question would be how hard or soft those green stones were - not the grit, which presumably was silicone carbide or something like that, but the stone as a whole.

    As I'm sure you...
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    1,750

    With regard to making the vast majority of HSS...

    With regard to making the vast majority of HSS tooling, as others have said, hand grinding is by far the way to go. Yes, it can take a little while to get a 1/2" square blank ground to the basic...
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    The pictures definitely show a taper attachment...

    The pictures definitely show a taper attachment ... and though I can't be sure from these pictures, I don't see any obvious means for disconnecting the cross-feed screw, so I'm guessing it is a...
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    That's an interesting technique, one I've not...

    That's an interesting technique, one I've not come across before. Always something new to learn ...
  25. Well, crud, I'm the one who is backwards. I TOLD...

    Well, crud, I'm the one who is backwards. I TOLD you I might not be thinking about this correctly. You are correct, you want to speed up your lead screw, not slow it down. I always have to think...
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