513,139 active members
4,010 visitors online
Register for free
Login

Search:

Type: Posts; User: JLSD

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    4
    Views
    289

    I WOULD EXPECT IMPERIAL RACKS TO BE EASY OVER...

    I WOULD EXPECT IMPERIAL RACKS TO BE EASY OVER HERE, START WITH HPC, also maybe Halifax rack & screw. Long racks do get pricey though
    John
  2. Replies
    2
    Views
    333

    3Kw VFD

    Hi, my personal choice for several applications has been the Siemens "sinamics" G110 drive, which is listed up to 3Kw in single phase input.
    I'd be surprisd if Siemens don't have distributors in...
  3. "accidental” Micro mill and other distractions

    O.K. the build can’t be accidental, bits were bought without any real intent (included in a “job lot”), and this looked like a way to get some fun out of them. This machine wasn’t planned until I...
  4. Replies
    3
    Views
    522

    collets

    Hi,
    I'd expect the emco to be using ER collets, these being pretty much standard in Europe. sizes range from ER 11(0-7) ER 16,(-10), ER20(-13) ER25(-16), BASIC size is major diam. of collet.
    loads...
  5. Replies
    3
    Views
    422

    8m.m. T-slot clamping

    hi Joaquim,
    if a UK supplier is any help, try Arc Euro trade, they list an 8m.m. set, and their catalogue is available online,
    good luck,
    John
  6. Replies
    14
    Views
    785

    wing moulds

    Hi I'm a long time out of serious model aircraft stuff, but still in touch with what's happening.
    Mike F( zone member,) built his own machine for ( mostly ) glider wing work, and the current build...
  7. Thread: DIY R8 Spindle

    by JLSD
    Replies
    31
    Views
    1,378

    Hi, Just a "heads up" to bearings on ebay....

    Hi,
    Just a "heads up" to bearings on ebay.
    These are one section lighter than you're considering, but still competent far a light spindle, and higher speed rated.
    The NSK website has good tech...
  8. Thread: DIY R8 Spindle

    by JLSD
    Replies
    31
    Views
    1,378

    Hi, Just a few thoughts on your design (I'm...

    Hi,
    Just a few thoughts on your design (I'm doing something along similar lines, but only putting ER20 in the nose)
    From other threads, you'll find loads of info. as to suitable bearings, and it'll...
  9. Hi, Just a thought, if you're basically tilting...

    Hi,
    Just a thought, if you're basically tilting the cutter axis, What total angle do you need? Up to around 90 deg. total movement, a ballscrew/lever mechanism could be one answer. I know the...
  10. Thread: turning O1

    by JLSD
    Replies
    9
    Views
    888

    Hi, Don't take this as discouragement, but I'd...

    Hi,
    Don't take this as discouragement, but I'd reckon this to be work for a rather bigger machine. As a friend of mine would say "think of a friend you haven't used yet, get him to do it!
    The olde...
  11. Replies
    122
    Views
    5,439

    Hi, Been following this one since I fell over...

    Hi,
    Been following this one since I fell over it, I've also got a 5C "gangster" at design stage, with most parts bought (no granite though!!)
    I decided to put "X" rails as far apart as gang plate...
  12. Replies
    4
    Views
    183

    Hi, I've been working up a small headstock...

    Hi,
    I've been working up a small headstock design, and always end up favouring conventional "drawback" collets, even though the spindle gets bigger.
    I'm a great fan of ER kit, use all from...
  13. Hi, Never had anything to do with parts...

    Hi,
    Never had anything to do with parts catchers, but plenty with pneumatics.
    Conventional practice is to throttle at the exhaust side, and the restrictors are usually one-way (free flow in,...
  14. Sticky: Hi Mark, Should've said, the clamping pad is...

    Hi Mark,
    Should've said, the clamping pad is exact I/D, allowing a "touch-off" reference for I/D, but O/D CUT FIRST. I've used this for soft metals up to approx .25m.m., and plastics to .8m.m.,...
  15. Sticky: Hi Mark, I've been head-scratching over this,...

    Hi Mark,
    I've been head-scratching over this, and attached are a couple pics that may help. One is my trusty setup for shims, just an acetal pad in the chuck and an opposing pad exactly I/D to...
  16. Sticky: Hi Mark, You could do worse than looking up...

    Hi Mark,
    You could do worse than looking up local model engineering groups, or competitive aeromodellers. I've cut plenty of small cylinder head shims/gaskets over the years, and my material has...
  17. Hi all, The math looks OK, and that motor would...

    Hi all,
    The math looks OK, and that motor would do even more work than you think, since the calc. is for power to LIFT the weight you're talking about! !! BUT WITHOUT LOSSES!!
    Also, and this is...
  18. Thread: How old are you?

    by JLSD
    Replies
    424
    Views
    1,995

    Poll: Younger than god!

    Old enough to think C.I. is right for machine structures, wise enough to know I can't do it at home on any decent size of machine!
    On a serious note, machines, and their components, are so much...
  19. Thread: Gear cutting

    by JLSD
    Replies
    6
    Views
    494

    Hi, I don't know if it will help, UK supplier...

    Hi,
    I don't know if it will help, UK supplier lists gears 20deg. P.A.
    hpcgears.com.
    Price for 90t approx 20 GBP.
    Website has full catalogue with prices.
    John.
  20. Replies
    1
    Views
    18

    Hi, You could try Jena Tec, they have several...

    Hi,
    You could try Jena Tec, they have several European bases.
    They list trapezoidals in a range of sizes and qualities.
    I've never bought from them, so no price info.
    John.
  21. Thread: Hi From Inverness

    by JLSD
    Replies
    2
    Views
    22

    Hi Bob, If you're planning using ball-bushings,...

    Hi Bob,
    If you're planning using ball-bushings, ground rods, support rail etc. start by getting prices from people like Brammer, maybe Fenner, and badger the best price they'll fall for!! Then look...
  22. Replies
    5
    Views
    165

    Hi Simon, these guys might be worth a try:...

    Hi Simon, these guys might be worth a try: mscjlindustrial.co.uk, if I were brighter I'd have pasted a link for you!
    I just google J&L.
    They have an online cat. and freephone contact.
    regards,...
  23. Thread: High speed belts?

    by JLSD
    Replies
    10
    Views
    506

    Poly V

    Hi,
    "If it were me" I'd look hard at "Poly V" belts.
    Common in washers, tumble driers, modern aux. drives on cars.
    Come in several pitches, from memory 1/16", 1/11", 1/7" and bigger.
    Most...
  24. Hi First off, I'm pretty sure you could gas fill...

    Hi
    First off, I'm pretty sure you could gas fill without any fear of liquefaction,
    Hydrogen, helium,nitrogen, oxygen need low temp, and are shipped/used in insulated flasks, boiling off...
  25. Replies
    252
    Views
    126

    RC Motors'n stuff!

    Hi,
    Only just picked up on this thread, reminded me I've work to do in a direction that might be of mutual interest!
    I'm thinking of using RC "outrunner" motors for home-brewed spindles, a) monster...
Results 1 to 25 of 29
Page 1 of 2 1 2