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  1. Based on the above comments and looking at bore...

    Based on the above comments and looking at bore sizes of TOS 125 mm chucks the bore is smaller than the spindle OD, you may need to use a spacer.
  2. If you do an eBay search for ccmt 06 or ccmt 09...

    If you do an eBay search for ccmt 06 or ccmt 09 it will bring up numerous inserts of that type, it will also bring up the tool holders they fit.

    From this you can choose the tool you like.

    Some...
  3. If you are cutting a blind or flat bottom bore...

    If you are cutting a blind or flat bottom bore you should be using a boring bar that will allow you to be able to face back to the centre of your job ( face it flat ) , if you need a flat bottom.
    If...
  4. The only things keeping the saddle from lifting...

    The only things keeping the saddle from lifting at the front are the rack and gear and in a slight way the half nuts.
    Normally when conventionally turning ,boring or parting the load applied to the...
  5. Don't know about tightening it up to much,...

    Don't know about tightening it up to much, normally there could be upwards of .060" or more clearance.
    If you feel it needs to be closer you will need to shim it, you will also need to check the the...
  6. It is just a plate mounted at the rear of the...

    It is just a plate mounted at the rear of the saddle, there will be 2 set screws , screwed up from underneath to secure it .
    If you grab the back/rear of the saddle you should be able to lift it...
  7. It would of been better to have finish machined...

    It would of been better to have finish machined the register and thread in the one setup, taking it off and on probably exaggerated the errors.
  8. How deep is the recess for the register? Is the...

    How deep is the recess for the register?
    Is the back of the backing plate running out ?
    Did you cut the register at the same time you cut the thread?
  9. Lift the cutter to break the chip.

    Lift the cutter to break the chip.
  10. Replies
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    Tony, in regards to the direction with the...

    Tony,
    in regards to the direction with the tumblers, on a Hercus the up position is foreword and down reverse.

    The Hercus uses 14.5 PA ( pressure angle ) gears and Sheraton 20 PA gears.

    Can...
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    Generally only required when cutting threads that...

    Generally only required when cutting threads that are opposite to the leadscrew thread ( imperial leadscrew metric thread and vice a versa ), or if you may not have a chasing dial.
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    Use method A. Chuck should not unscrew if you...

    Use method A.
    Chuck should not unscrew if you have put it on correctly.
    When reversing make sure too go into reverse after a couple of seconds after taking it out of foreword, if you change to...
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    18dp 14.5 pa

    18dp 14.5 pa
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    Use a dog or clamp. Fix around tool rest on...

    Use a dog or clamp.
    Fix around tool rest on compound.
  15. Thread: NT30 Collets

    by pipeclay
    Replies
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    286

    Thank you.

    Thank you.
  16. Thread: NT30 Collets

    by pipeclay
    Replies
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    286

    Apart from the grip of the collet around the tool...

    Apart from the grip of the collet around the tool is there anything stopping the tool from moving in the collet when released from the spindle?
  17. Did you read the 1st post?

    Did you read the 1st post?
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    I thought there was a hole for a dowel above the...

    I thought there was a hole for a dowel above the right hand securing bolt.
  19. Replies
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    Is there a hole in the top right corner of the...

    Is there a hole in the top right corner of the vertical head above weir the securing bolt is?
  20. To help with people's guesses, you should give as...

    To help with people's guesses, you should give as much information as possible,as to material, speed, feed,diameter and tool type.
  21. That would more than likely depend on the...

    That would more than likely depend on the location of the nearest shopping centre.
  22. Seems a logical and easy way of doing it, is the...

    Seems a logical and easy way of doing it, is the section behind the thread too small to hold.
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    The 127/120 is for the metric to imperial, as...

    The 127/120 is for the metric to imperial, as asked for above, the 127/100 is for imperial to metric , both are for 9's.
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    Ordered13/04/21 arrived 27/04/21.

    Ordered13/04/21 arrived 27/04/21.
  25. Replies
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    Thank you for the replies, I am currently using...

    Thank you for the replies, I am currently using an 80mm K12 face mill in cast iron, 50 mm cut width, 2.5mm DOC at 80mm/ min, 500 RPM , I need to face 98mm stock and would rather do this in one pass...
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    As you have already noted the angle for offset...

    As you have already noted the angle for offset threading does not need to be exact, if you have a protractor use that against the chuck, face plate or spindle set ata bit less than your desired angle...
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    Key would only be required if the compound gears...

    Key would only be required if the compound gears are seperate, if the gears are bushed together. to form a non seperatable compound no key is required
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    HM 50/52 owners

    Has any one ran a 100 mm face mill in either there Vertical or Horizontal spindle and if so what results did you get, type of material and max RPM and Depth of Cut and rough feed rate.
    I don't need...
  29. Thread: 90 tooth gear

    by pipeclay
    Replies
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    288

    Yes.

    Yes.
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    John, how do you hold it and stop it vibrating...

    John,
    how do you hold it and stop it vibrating when machined vertically?
    Are you using an end mill or carbide cutter in your horizontal spindle?
    Are you able to machine the full vertical face or...
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    The boring bar for inserts will always look...

    The boring bar for inserts will always look negative, the turning tool change the for positive rake holders, get ones that take the CCMT.
    The threading tools have a shim under the insert, as with...
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    Ordered 02/04 arrived 13/04 supposedly from China...

    Ordered 02/04 arrived 13/04 supposedly from China estimate for delivery was 29/04 to 15/05.
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    If I may suggest to you after draining the oil ,...

    If I may suggest to you after draining the oil , fill the machine to just above the gears in the head with either diesel or kero, put the cover back on the headstock ( cover weight only ) put in high...
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    46 hydraulic should be fine, if the noise is/was...

    46 hydraulic should be fine, if the noise is/was lube related it might be too late to save it.
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    Chris the other 2 I have are 1/2HP, 1425rpm, B56...

    Chris the other 2 I have are 1/2HP, 1425rpm, B56 frame, Y connection, class E insulation, cont rating, 5/8" & 3/4" shafts.
    The large shaft one has a slightly different cast body , it has a half...
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    Hello Chris, I have a few but only have details...

    Hello Chris,
    I have a few but only have details of one at present, I won't have the others details until Sunday.
    3/4 HP, 1440, 4 pole, Star ,1.5amp, 50 cycles, continuous.
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    Not sure with your explanation of how you cut...

    Not sure with your explanation of how you cut this but it could be that the material was not supported sufficiently and has kicked, 1 mtr of 63 has a reasonable weight to it, it could be a blunt...
  38. If you have no luck with the previous suggestions...

    If you have no luck with the previous suggestions you may need to remove the chuck from the backing plate and try a bit of heat close to the spindle thread whilst turning the backplate with a bar and...
  39. Have you tried using the HP of the lathe to...

    Have you tried using the HP of the lathe to reduce your time or has the 3HP been exhausted?
  40. If you are not changing gears to alter feed rate...

    If you are not changing gears to alter feed rate , the feed will be the same at 1rpm as it is at 1000rpm.
  41. That's your problem. Cant cut an Imperial thread...

    That's your problem.
    Cant cut an Imperial thread on a metric lathe by releasing the half nut unless you are very careful, you would be best to leave the nuts engaged and reverse the lathe.
  42. Would it be correct to think your leadscrew is...

    Would it be correct to think your leadscrew is Imperial?
    Can you provide a chasing dial chart?
    Are you able to reverse the lathe?
  43. Thread: D1-3 pins

    by pipeclay
    Replies
    4
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    491

    RDG in the Uk have them, 6 off around $AU 72.00...

    RDG in the Uk have them, 6 off around $AU 72.00 delivered.
  44. Thread: D1-3 pins

    by pipeclay
    Replies
    4
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    491

    Any reason why you won't use Chinese or possibly...

    Any reason why you won't use Chinese or possibly Indian?
  45. Replies
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    Is the plate that locks it to the bed machined on...

    Is the plate that locks it to the bed machined on its clamping face?

    Is the underside of the bed where the clamp plate would run , a machined surface?

    Can you adjust the clamp so as to apply...
  46. Replies
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    These are what I...

    These are what I have.390979390980390981390982390983390984

    Sent from my T85 using Tapatalk
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    Use a rule.

    Use a rule.
  48. Replies
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    The pulleys I have are different OD for spindle...

    The pulleys I have are different OD for spindle and intermediate by about .750", they also have the intermediate and spindle shafts cast around the pullies.
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    You want to adjust that calculation.

    You want to adjust that calculation.
  50. Replies
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    Are you still looking to buy?

    Are you still looking to buy?
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