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Type: Posts; User: Clive603

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  1. Replies
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    220

    Its odd that backplates are so expensive in the...

    Its odd that backplates are so expensive in the USA.

    In the UK semi-finished D1-4 backplates are around £100 - £150 from reputable industrial suppliers like Rotagrip, for example TOS 160 mm is...
  2. Replies
    7
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    249

    A ton and a half may be an under-estimate. No...

    A ton and a half may be an under-estimate.

    No experience of the Adcock Shipley 2 series but I helped install a Victoria P2 machine of similar capacity which was certainly less heavily built than...
  3. Might be worth looking into UK based suppliers. ...

    Might be worth looking into UK based suppliers.

    Couplings for IEC size motors seem to be fairly readily available here at not too silly prices. Whether of the right size and type I know not.
    ...
  4. Replies
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    692

    Getting back to the tool post issue. I'd be...

    Getting back to the tool post issue.

    I'd be inclined to cut a proper relief for a reasonable diameter around the centre stud to ensure that clamping occurs on the outer part of the tool post....
  5. Replies
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    1,082

    Realistically if you have a good roof with plenty...

    Realistically if you have a good roof with plenty of life left or, possibly better, put a new roof on first with properly designed receptacles for the panel fixings odds are that by the time the roof...
  6. Replies
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    925

    Further to the comments from Thermite the basic...

    Further to the comments from Thermite the basic lantern toolholder can be made more rigid and more repeatable when switching tools by using a flat washer of suitable thickness instead of the standard...
  7. For internally threaded dowels I've always run a...

    For internally threaded dowels I've always run a nut down a suitable length of threaded rod onto a washer sitting on spacer or suitable stack of whatever.

    Long socket or modified box spanner and...
  8. ISO 30 will be the machine spindle taper that the...

    ISO 30 will be the machine spindle taper that the collet holder fits into.

    OZ 25 is the collet type. In general OZ collets are essentially the same as ER collets and work in the same way with...
  9. Something you will have to make yourself methinks...

    Something you will have to make yourself methinks from a reasonably obdurate steel.

    ER 50 collet nuts are readily available so the hard part is done for you. Block merely needs a simple taper and...
  10. For that sort of work I have one of the tilting...

    For that sort of work I have one of the tilting milling table of the sort where the work table slides round a half circle base .

    I always feel that bolts clamping the table unit down to a solid...
  11. Replies
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    6,857

    Congratulations Sami. I'm 8 months ahead of...

    Congratulations Sami.

    I'm 8 months ahead of you and still getting this retirement lark sorted out. Folk still keep bringing me stuff but I'm beginning to get the message across that only...
  12. Replies
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    681

    If you have multiple independent dust collection...

    If you have multiple independent dust collection systems the airflow in the building is likely to be confused where the different air streams interact. Most of the dust will go where it should but...
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    1,068

    Nice level but used on its own it will drive you...

    Nice level but used on its own it will drive you bonkers trying to keep the bubble visible.

    My go to level is a British WW2 gun layers clinometer which has a wide spaced 30 seconds per division...
  14. Replies
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    756

    Indeed so. Hafta say I've never got a static...

    Indeed so. Hafta say I've never got a static converter to behave on both speeds of a two speed motor. Also had a fair range of grumbles, growls and noises off from the motor when static converter...
  15. Replies
    13
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    756

    An effective cure for this sort of converter...

    An effective cure for this sort of converter problem is to add a pilot motor of around the rated capacity of the static converter making it essentially work as a rotary converter. You need to start...
  16. Replies
    22
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    1,239

    Not strictly true. A sufficiently oversized VFD...

    Not strictly true. A sufficiently oversized VFD will have the short burst current overload capability to start a motor when running at line frequency. Three times oversize on an old style V/F...
  17. Replies
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    834

    I have a similar style of tool, obviously...

    I have a similar style of tool, obviously different breed as I'm in UK, with some differences in execution of the cutting parts. Works well enough for an occasional use tool but job has to be taken...
  18. Replies
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    804

    Aloris and Dorian have to be joking (laughing all...

    Aloris and Dorian have to be joking (laughing all the way to the bank).

    Misses the point in so many ways I can't believe they'd try to market them. Standard Dickson QC sets, like mine, have holder...
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    804

    Check the base thickness of the tool carrier...

    Check the base thickness of the tool carrier before deciding to go bigger than the BXA.

    Theoretically a larger toolpost lets you use larger shank tools but the bigger toolholders tend to have...
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    Hardly seems worth the compromises and effort of...

    Hardly seems worth the compromises and effort of running both motors off one VFD given the low prices of basic 3/4 and 1/2 hp VFD boxes these days.
    If you don't plan to vary the speed the simple...
  21. Bringing a compressor up to speed is a hard...

    Bringing a compressor up to speed is a hard starting load for a VFD. its important to be sure that the compressor is off load during run up. If yours doesn't have a proper load relief valve best to...
  22. Thread: Got Gamet?

    by Clive603
    Replies
    7
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    616

    Found a thread on another forum:- GMT automatic...

    Found a thread on another forum:- GMT automatic boring head | Model Engineer which has some information.

    Summarising it appears that the Gamet heads were made by a French company GMT for Gamet UK...
  23. Replies
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    Maybe consider arranging a felt washer to run in...

    Maybe consider arranging a felt washer to run in the thread and keeping it oil soaked to continuously lubricate the threads. Way back I had a large acme nut one through my hands with one end of the...
  24. Thanks for the advice gentlemen. Bill As I'm...

    Thanks for the advice gentlemen.

    Bill
    As I'm in the UK getting the repair sleeves isn't so easy. Frankly by the time all is set up to machine the bore back true making a sleeve is trivial.
    As I...
  25. Tolerance rings or thin sleeve to repair fixed varispeed disk bore

    For pretty much all the 16 years I've owned it my 2J2 Varispeed Bridgeport head, 1 1/2 hp motor, has had occasional rattle fits. Which I put down to just one of those things given its a 1979 vintage...
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