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  1. Replies
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    machine number

    Hi Couda,
    welcome to the forum. Yours makes 3502 machines registered. Private message me your name for the file. Mal
  2. Replies
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    144,748

    The dates showing from test reports near your...

    The dates showing from test reports near your machine number suggest it was made 1989-1990. (machine 19700 was 12-12-88)
  3. Replies
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    first 260

    From the test reports scanned so far, we can say that the first 260 was CTM15699. Certificate date 22-4-76. The machine number before it was a 9B model. There are no other 260's on my register of...
  4. Replies
    183
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    144,748

    hercus inspection record

    Good news, I now have access to the original test inspection reports for each of the Hercus lathes. Haven't started scanning them yet, so don't know complete the cards are. I've put it on the website...
  5. Replies
    183
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    144,748

    special

    From what I have seen from previous machines, the S (special) was for machines built in custom configurations. Does it appear different than the normal machines in any way?
  6. Replies
    183
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    144,748

    Thanks Steve, That makes a...

    Thanks Steve,
    That makes a total of 3338 registered.
  7. Replies
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    1,207

    260dgm worm

    Finally came up with a solution to the Hercus 260dgm apron feed shaft worm.

    401419

    The original had a short inbuilt key that was too hard to duplicate (at about $250 each part) so I went for a...
  8. Replies
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    Thanks, that takes us up to 3302 machines.

    Thanks, that takes us up to 3302 machines.
  9. Replies
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    1,043

    3MT-3c collet closer

    I have just been quoted for the re-manufacture of this part. It will be made to the original Hercus drawing and as such will have to retail at around $155. This originally put me off the project,...
  10. Replies
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    9" travelling steady

    First batch of the 9" travelling steady
    401331
  11. Replies
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    1,856

    Roller bearing or plain headstock ?

    Roller bearing or plain headstock ?
  12. Replies
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    1,856

    It's an imperial 20dp 14.5pa. The reverse gear...

    It's an imperial 20dp 14.5pa. The reverse gear driven by the two reverse tumbler gears is the same 24 teeth.
    Standard change gears are not the same size they are 18dp 14.5pa.
    401296
  13. Replies
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    260 fixed steady

    With the help of "tinker77" we finally got a result for the remanufactured fixed steady. I am very pleased with the result.
    Mal400581
  14. Thread: reamers

    by allterrain50
    Replies
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    1,780

    Murphy's law

    If you have the room to keep it, keep it. If you apply Murphy's Law, the moment you throw it away, you'll need it the next day. There are lots of different tool posts around, apart from the lantern,...
  15. Replies
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    setup for threading

    Hi Bob,
    Looks nice but gears on the lh end aren't standard for the imperial gearbox. Unless it has been configured for a specific task you will need it set up as per the picture. Mal...
  16. Replies
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    1,441

    hercus or south bend 9 cross slide drive nut

    I have this bronze one that will fit, if you don't want to make something yourself. These are made from a casting, hence the rough finish on the outside of the threaded part. The green colour is for...
  17. Replies
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    144,748

    serial numbers

    Latest update on machine numbers is 3267, keep them coming.
    Mal
  18. hercus V300

    Welcome to the Hercus Forum.
    I'm sure you have found this already but if not try.
    https://www.cnczone.com/forums/benchtop-machines/55282-cnc-forum.html

    regards Mal
  19. Replies
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    calcs

    There are lots of combinations of gears that will let you cut reasonable threads.
    These are the two Hercus used for cutting metric threads, that can be used on a 9A lathe with a standard imperial...
  20. Replies
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    144,748

    update

    Hi Guys,
    Total registered now stands at 3194 machines, keep them coming.
    Mal
  21. Replies
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    144,748

    serial numbers

    Hi Guys,
    Total registered hercus 9 and 260 lathes now stands at 3139 machines.
    Mal
  22. Replies
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    motor fitting

    Hi Craig,
    Cutting out the casting to fit the standard motors, available today, is something that just has to be done. The Asea motors, that Hercus fitted in some of their later machines,...
  23. Replies
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    hercus 260AT imperial gearbox

    I realise there aren't many owners of the imperial version of the 260A but I thought I should include a picture of the layout of the main part numbers. This should help those owners Identify the...
  24. Replies
    183
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    144,748

    serial numbers

    Hi Guys,
    Total registered now stands at 3095 machines, keep them coming.
    ...
  25. Replies
    37
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    20,507

    key

    Sorry, I have plenty of 5H117's, just forgot to list them on the website, which I have now done.
    ...
  26. Replies
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    20,507

    bearings

    front bearings 18690/18620 B cup, rear bearing 11162/11300 B cup. Don't know what the R is, maybe someone else is familiar with the reference.
  27. centre height

    That height I gave you is from the flat way the forward edge of the tailstock sits on.
  28. centre height

    According to the original tailstock drawings, a Hercus 9" centre height was manufactured between 4.610" and 4.615". This would have changed slightly when the tailstock was matched to the headstock...
  29. Replies
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    interlock

    Sorry, should have attached a viewable picture rather than a download.
  30. Replies
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    1,908

    interlock bar

    See the attached drawing of the part. The angle of the ends are 90 deg. This is an accurate drawing of the part as supplied from Hercus. I haven't included this on the AMH website, as it's something...
  31. Replies
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    tailstock

    If you are sure you are correct and the tailstock is seated correctly, Split the tailstock and surface grind .009 of the top of the base on all four corners. According to the original drawings the...
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    saddle

    That is certainly early enough.
    Mal
  33. Replies
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    3,115

    saddle

    Thanks Nigel,
    That's about what I expected. Obviously need to look at much earlier machine numbers.
    Mal
  34. Replies
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    [QUOTE=Silversprings;1989610]Using 2 x 3/8 rods...

    [QUOTE=Silversprings;1989610]Using 2 x 3/8 rods and a Starrett mic, I have the following results.

    S/n 911: 2.548"
    S/n 2100: 2.553"
    S/n 12065: 2.533"

    Surprised at the variation, although I did...
  35. Replies
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    3/8 guage

    Hi Jordan,
    Thanks for that info, it tends to confirm the difference. Using a 1/2" guage however doesn't let me compare the actual dimension. Can you measure it with a 3/8 guage, which...
  36. Replies
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    saddle measurements

    Hi All,
    I need some additional data on the Hercus saddle dovetails. It seems that there is some differences in the dovetail width on the early Hercus 9's and the rest of the hercus 9 and 260's, up...
  37. Replies
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    9/32 hex

    Managed to locate some 9/32 hex in 1214 from the UK, will still need more to reach the quantity I want to make. Please let me know if you find any more, doesn't matter were.
    ...
  38. Replies
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    international owners

    The good news for our international owners. They are now fully supported, without the run around we had to put them through before.
  39. Replies
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    website back up

    Hi Guys,
    The website is up and running again. Your old search results won't work as a point of entry anymore, and it will take weeks for google to collect enough search data to list us on the first...
  40. Replies
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    Having a look through the Hercus drawings I have,...

    Having a look through the Hercus drawings I have, 1/8 circular pitch and 24dp are fairly common adopted sizes, so seems quite probably 24dp is correct, they used that on the metric thread chasing...
  41. Replies
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    3000 machines

    I have just registered the 3000th machine. Great work guys. 17809 to go.
  42. Replies
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    AMH website down

    Hi Guys,
    Just in case anyone here was wondering, the website will be offline, while I rebuild it. A very big job, so it will take some time to do.
    Mal
  43. Replies
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    D1-4 spindles

    Bad news, Having talked to Hercus There is no possibility of remaking the D1-4 spindle anywhere near the 2000 price and I am therefor abandoning the project as impractical.
    ...
  44. Replies
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    who wants a D1-4 spindle for their 260

    I am trying to find out if there is any appetite amoung 260 owners for the D1-4 spindle. This isn't the large bore variety, that Boris and Steve have on their GS-26 models, just the standard bore. It...
  45. replacement for the burnerd 4 jaw independent chuck

    As some of you may be aware, most of the independent 4 jaw chucks available from asia, are roughly twice the weight of the original Pratt-Burnerd's 4.5kg, which are very hard to find at the moment. I...
  46. Replies
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    big bore

    Hi Steve,
    There won't be any with the big bores you two have, just the standard would have been offered in the Axmell list. Unless another shows up, yours are unique, with the exception...
  47. Replies
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    9/32 hex

    In my post #19, I stated that the standard hex stock "5ba" use (.282 AF) was very close to 9/32 (.281 AF), that was a typo, it should have been 3ba. the two hex stocks are within a thou of each...
  48. Replies
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    9/32 hex

    [QUOTE=Anorak Bob;1986781]Hello Mal,

    I'd logged on to delete my, what I thought was irrelevant, post only to find you had replied....

    I just slipped up to the shed again and found that Hercus...
  49. Replies
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    9/32 hex

    Hi Bob,
    I am aware that Hercus did make a 5/16 AF version of the gib screw nut. I suspect they had similar issues with finding 9/32 hex at the time. I don't have a problem in sourcing 5/16 AF hex...
  50. Replies
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    9/32 hex

    They do make both, I have small amounts of each. They also make a hex bar for 5ba nuts (.220"), which is almost spot on 9/32 (0.219). I could use the 5ba bar, it's close enough not to bother my...
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