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  1. Thread: Autumn Safety

    by ToyMaker
    Replies
    0
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    13

    Autumn Safety

    You will see this, this fall when all the leaves drop on the
    ground near the privacy fence or the storage house and
    the underbrush gets crowded with leaves and limbs and
    copperhead snakes. Be...
  2. Thread: PVC fumes?

    by ToyMaker
    Replies
    24
    Views
    105

    google +msds +pvc +msds +polyethylene ...

    google
    +msds +pvc
    +msds +polyethylene
    +msds +polycarbonate


    you will learn a LOT :)


    robotic regards,
  3. Look on Little Machine Shop for mini-lathe kits....

    Look on Little Machine Shop for mini-lathe kits. They have a metal gear kit that has instructions for removal-replacement of the hi/lo gears. You don't have to buy the kit to get the instructions.
    ...
  4. Replies
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    385

    holy s**t! if an 11x26 is a mini-lathe, what do...

    holy s**t! if an 11x26 is a mini-lathe, what do you call a real lathe?

    robotic regards,

    Tom
  5. There is a size limit on the gear combinations on...

    There is a size limit on the gear combinations on all
    the 7x** machines. It is something like A+B<=100;
    and also for C+D. I have seen the numbers on the
    YaH00 7x12 list but can't recall them....
  6. Thread: What is ABEC?

    by ToyMaker
    Replies
    5
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    30

    and the Wikipedia link is:...

    and the Wikipedia link is:
    http://en.wikipedia.org/wiki/ABEC_scale


    robotic regards,

    Tom
    = = = = =
    "A city of capital, not a capital city."
    - - Edwin G. Burrows and Mike Wallace
  7. Replies
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    1,589

    Your new mini-lathe may be usable out of the box...

    Your new mini-lathe may be usable out of the box (the Sieg
    machines have improved in recent years), but it will you serve
    better after grooming and tuning.
    See mini-lathe.com for step-by-step...
  8. Replies
    1
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    602

    There is a pretty thorough troubleshooting...

    There is a pretty thorough troubleshooting procedure at www.mini-lathe.com
    Check it out.


    robotic regards,

    Tom
    = = = = =
    "Nor was he much interested in joining
    the German debate over...
  9. Poll: It's all relative isn't it? My shop is two...

    It's all relative isn't it? My shop is two floors: down is the
    heavy equipment and up is the lab stuff.
    Every day I make at least one trip up and down the stairs
    not using the handrail because my...
  10. Global warming will cut rice yields in western Japan: gov't study+

    http://www.breitbart.com/article.php?id=D90V9VG80&show_article=1&catnum=2



    robotic regards,

    Tom
    = = = = =
    "Naturally, our own irrational demands strike us as
    having the force of needs,...
  11. Global Warming Skeptics Plot 'Carbon Belch Day'

    http://www.informationweek.com/news/management/compliance/showArticle.jhtml?articleID=208400325



    robotic regards,

    Tom
    = = = = =
    "Steinem's attempt to correct Freidan's bourgeois
    bias and...
  12. read steppers and servos at...

    read steppers and servos at http://cnczone.com/forums/showthread.php?t=17419

    bigger is better; if you pick small motors you must make very shallow cuts at slow
    speeds that take a very long time....
  13. Replies
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    427

    Or you could wait for a powered treadmill to show...

    Or you could wait for a powered treadmill to show up at your local
    second-hand store and snag the DC motor and variable speed controller.


    robotic regards,

    Tom
    = = = = =
    Infantile love...
  14. Replies
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    18

    What is F.A.Q.

    From http://en.wikipedia.org/wiki/FAQ

    Originally the term FAQ referred to the Frequently Answered Questions,
    and listed answers that had previously been posted to the mailing list.
    The word...
  15. Replies
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    380

    1. Almost any kind of bearing from skate board...

    1. Almost any kind of bearing from skate board bearings
    to car wheel bearing will have better (much better) than
    0.001 runout. Some will need preloading.

    2. Yes, the 7x mini-lathes can hold...
  16. Q. -At least a 14" working area (swing is not...

    Q. -At least a 14" working area (swing is not important because I doubt I would ever go over 4")
    A. Frank Hoos on mini-lathe.com is talking about a new 7x14 machine.

    Q. -Power feed, though I...
  17. Replies
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    410

    I've been watching the 7x lathes and accessories...

    I've been watching the 7x lathes and accessories for several years now (and using one for a couple) and have never seen such a beast.
    I'll bet if you had the lathe it wouldn't take too much effort...
  18. Replies
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    747

    Do you really have to hold the wheel by its...

    Do you really have to hold the wheel by its diameter? Why not mount an arbor in the chuck and put the wheel on that?
    For the cross slide travel problem I have no suggestion.

    robotic regards,
    ...
  19. Replies
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    13

    What can I make with my router/mill

    This is the short list. There are many many more. The only limit is Your imagination.

    http://www.wallaceoperation.com/cnc/ThingsToMake.html




    robotic regards,

    Tom
  20. Replies
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    1,442

    Andrew: About 20 years ago or so a guy named Joe...

    Andrew:
    About 20 years ago or so a guy named Joe Engelberger developed a hospital mobot called HelpMate. If memory serves it had two cameras, at least two sonars, and a bumper ring in its sensor...
  21. Replies
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    1,442

    Andrew: For accurate position, odometry (wheel...

    Andrew:

    For accurate position, odometry (wheel encoders or ground sensing) is probably not going to be good enough. I have never seen a mobot that could go out 500 body diameters from a home base...
  22. Thread: Kid Safety

    by ToyMaker
    Replies
    10
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    49

    I would rather have my kids knowing and careful...

    I would rather have my kids knowing and careful than clueless and hurt.


    robotic regards,

    Tom
    = = = = =
    "The evolution of computer hardware:
    '69 Megadollars for a few bytes.
    '96 A few...
  23. Replies
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    1,442

    Andrew wrote: I want to make the motor as...

    Andrew wrote: I want to make the motor as accurate as a stepper or servo in positioning accuracy...

    An encoder mounted directly on the motor shaft will allow you to position the motor to a nicety...
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    You could use the search function for this site....

    You could use the search function for this site. Belt drive has been discussed quite a lot in the home-brew fora and others.

    robotic regards,

    Thox
    = = = = =
    "A man can father a baby but a...
  25. Replies
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    1,442

    Hmmm, walking speed (say 1-3 mph) as less than 2...

    Hmmm, walking speed (say 1-3 mph) as less than 2 rps. That says you've already chosen your wheels and done some arithmetic.

    For a mobot (mobile robot) in the 150 lb. class the first thing that...
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