Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: thermite

Page 1 of 60 1 2 3 4

Search: Search took 0.18 seconds.

  1. Replies
    4
    Views
    526

    Not really. It was because Brits had sense enough...

    Not really. It was because Brits had sense enough to engage power surfacing feed, stand back, Light up a Capstan or Players cigarette and relax instead of sweating like a pig under a shower of hot...
  2. Thank you for that. 1150 or wotever "base"...

    Thank you for that.

    1150 or wotever "base" RPM 5 HP is good down to around 100 RPM?

    The 690 RPM large-frame with field boosted to 140 VDC is good down to under 40 RPM.

    When in back-gear?...
  3. Replies
    8
    Views
    622

    Decent-sized cast aluminium skillet picked-up...

    Decent-sized cast aluminium skillet picked-up from Goodwill with scratched teflon liner.. and you have one.

    How hard is it to cut the handle off for the powercord cut-out and turn it open side...
  4. Replies
    8
    Views
    622

    The one in his photo looks like one of the...

    The one in his photo looks like one of the small-motor standard end-bells. The sort that have a polygonal boss that can optionally be mounted in a rubber ring, whereupon the polygonal flats limit...
  5. Replies
    24
    Views
    856

    [QUOTE=Jaymce;3813172] To be kept in mind: ...

    To be kept in mind:

    - All three sets of brushes and commutators are "presented" for access such that they may be serviced without removing the MG or the final-drive motor from the machine, hence...
  6. Replies
    24
    Views
    856

    Nah. Just the one. Neglect. Long...

    Nah. Just the one.




    Neglect.

    Long years of it, probably?

    As said, "low" need of maintenance is not the same as "zero".
  7. Replies
    106
    Views
    6,027

    So grab an Acme screw garage door opener and run...

    So grab an Acme screw garage door opener and run it under the TS down the valley.

    Then you'd have reversible push-button gross positioning.

    Maybe even powered drilling?

    :D

    Less work to...
  8. Replies
    3
    Views
    306

    Common stock item from MANY makers. Folk usually...

    Common stock item from MANY makers. Folk usually just buy them, ready-made. Here is but one example:

    Plug Graphite Bearings | National Bronze Mfg.

    24 hr turn around on quotes for specials.
    ...
  9. Replies
    8
    Views
    622

    Wellll.. if nobody even knows what they are MEANT...

    Wellll.. if nobody even knows what they are MEANT to look like?

    Scrooooit.

    Just fab wotever fits and suits YOUR idea of what it should look like!

    Polished Copper DWV might be putting on...
  10. Replies
    17
    Views
    953

    'Observing", rather than recommending. But they...

    'Observing", rather than recommending. But they work just fine if you know your s**t.

    https://www.metmuseum.org/toah/hd/deca/hd_deca.htm

    Hydraulic nibbler is faster.

    :D
  11. Replies
    24
    Views
    856

    Well ... good news. Post up whatcha have and...

    Well ... good news.

    Post up whatcha have and what you want for it.

    Somebody will probably want it to undo a VFD kludge and put a 10EE back to rights in future.

    I've already got spares to...
  12. Replies
    10
    Views
    834

    That's a lot of work for a seldom-seen. My...

    That's a lot of work for a seldom-seen.

    My Electro-Mechno W-105 was simply shipped.. from California to Virginia.
    I had BEEN looking for an Adolph Meuhlmatt/Hamilton or a P&W/Sigourney.

    Pick...
  13. Replies
    17
    Views
    953

    You don't want to distort it. You want to grip it...

    You don't want to distort it. You want to grip it with balanced force.

    If the only workholder you have is a 3-Jaw?

    You first make an internal plug for the jaws to work against.

    And rigid,...
  14. Replies
    17
    Views
    953

    Punch it then. That's how this sort of goods are...

    Punch it then. That's how this sort of goods are usually done for volume production.

    Simply support the hollow rim on a curved arc of a shoe, mating pair of arced shoes....or even rollers.

    The...
  15. Replies
    24
    Views
    856

    MG units CAN run for ages with very little...

    MG units CAN run for ages with very little maintenance. That is not the same as "zero".

    The final-drive motor has four brushes, large ones, and a LOT of commutator area.

    The Exciter (for...
  16. Greases degrade with age, (polymerizing,...

    Greases degrade with age, (polymerizing, oxidation..), effects of any contaminants (coolant?.. probably not.. "fretting corrosion" particulates, always), and biological critters than find them a...
  17. Oh.. OK.. email the paint code, then! :) ...

    Oh.. OK.. email the paint code, then!

    :)



    Change nada.. at first.

    Just take NOTES (and photos..) as to "as-built", "as received", "as last used.." etc., FIRST, please!
  18. Replies
    10
    Views
    834

    The "cartridge" head resembles some of those...

    The "cartridge" head resembles some of those this outfit built as direct or at least "inline" -drive for high-speed and/or sensitive drills ... or fast tappers.... 1874 onward:

    Allen Drill << ...
  19. Closed, Hell. It was never open.

    Closed, Hell. It was never open.
  20. I think that - as veneer, not plastic laminate - ...

    I think that - as veneer, not plastic laminate - was what was on the "waterfall" front of an art-Deco 1938 Sparks-Withington all-band "console" receiver the retired Treasurer of what had been...
  21. Micarta/Formica laminate. Birdseye Maple....

    Micarta/Formica laminate. Birdseye Maple. Crotch-grain burl. "Fossilized Bamboo" flooring? Louis Tiffany edge-brazed cut class?
    ...
  22. "Most cost-effective?" Paint it. Clearcoat it....

    "Most cost-effective?"

    Paint it. Clearcoat it.

    Or peel n' stick brushed Stainless foil to it like a Kitchen appliance or pick-'em-up truck door or tailgate - then simply frisket-knife the...
  23. Replies
    24
    Views
    2,069

    'Integral mount" chucks and faceplates, in...

    'Integral mount" chucks and faceplates, in general, have scant material once modified. They were optimized for their mount from the outset. No spare material wanted.

    Those BUILT AS "flat back" ......
  24. Replies
    74
    Views
    4,026

    "Penny foolish AND pound foolish" some of us...

    "Penny foolish AND pound foolish" some of us rated our employers! Lots of us knew HOW to improve a machine's situation. Damned few were PERMITTED to do.

    To be fair.. as to Union competence, in...
  25. Replies
    74
    Views
    4,026

    Better-yet, DO it on a mill? Chandler-Duplex....

    Better-yet, DO it on a mill? Chandler-Duplex. Wallbanger, Narex, Gamet, (Criterion, Flynn..)etc.

    :)
Results 1 to 25 of 1500
Page 1 of 60 1 2 3 4