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Type: Posts; User: OldRustyToolie

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    NSW SOLD feed box now SOLD SOLD!

    SOLD
    feed box now SOLD
    SOLD!
  2. Replies
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    NSW Hope these quick measurements will help. The...

    Hope these quick measurements will help. The HM50 mill has a table size of 1000 x 240 for comparison to the one you have. Shaft diameter is 16mm.

    DH
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    NSW Milling Machine Table Feed

    Milling Machine table feed gearbox. Optimum brand 240 volt. Was used briefly on a Hafco HM50 due to problem with original unit. Pick up Richmond NSW area. PH 0434163439

    $390 ONO
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    NSW TAFE Fitting and Machining apprentices...

    NSW TAFE Fitting and Machining apprentices machined these from castings. The Milling Module had them machine the castings to size plus grinding allowance. The Surface Grinding Module had them...
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    NSW Thanks John. They fit my "hybrid" 7 which I...

    Thanks John. They fit my "hybrid" 7 which I saved from the scrapper some 7 years back. My shout for a Guinness at Henry's next month.
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    NSW Maybe things could have been split but usually...

    Maybe things could have been split but usually people look for machine and at least some tooling as part of the package. The property was already sold so there was a time limit when it all had to ...
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    NSW Luckily someone beat the Scrapper in the end and...

    Luckily someone beat the Scrapper in the end and it went to someone (for free) around Kurmond here in the Hawkesbury. The mill was lifted and moved out with an engine hoist, the lathe on rollers...
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    NSW All gone now. Sadly no interest so was collected...

    All gone now. Sadly no interest so was collected by a scrap metal dealer for disposal.
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    NSW Hobby workshop clearance

    For sale are:

    Deepak PL4 5" x 30" belt drive centre lathe with QC gearbox. Gap bed. Single phase V belt drive. Imperial 4 tpi leadscrew. Imperial and Metric screwcutting. Long and cross...
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    No probs Graham.

    No probs Graham.
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    Should that heading read M/min Graham?

    Should that heading read M/min Graham?
  12. It may be like some TOS grinders which had a pin...

    It may be like some TOS grinders which had a pin in the driveplate which engaged with a hole in the chuck backplate. There should be a spindle lock. When locked you can undo the chuck off the...
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    Can you determine which Hafco 1000C you are...

    Can you determine which Hafco 1000C you are looking at as there may be some difference with the QC gearbox. The early 1000C from mid 1980s was actually a Dashin Prince with 240v electrics. The...
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    Here is a link to the D model I have Peter. ...

    Here is a link to the D model I have Peter. Sadly I keep getting sidetracked on other projects and it still hasn't been completed. I was up tho the wheel spindle as that area had been butchered by...
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    Nsw. Only 25 minutes from John Electrosteam. ...

    Nsw. Only 25 minutes from John Electrosteam.

    D
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    I have plenty of m5 Rivnuts (Nutserts) and the...

    I have plenty of m5 Rivnuts (Nutserts) and the tool here if you need them John.

    DH
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    For those who know the Hawkesbury area, here is a...

    For those who know the Hawkesbury area, here is a photo looking over McGrath's Hill towards Windsor during the 1961 flood. Photo from Vic Gillespie's collection.

    That one was quite a bit larger...
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    North Richmond river height is still at 13.3...

    North Richmond river height is still at 13.3 metres at 15.30 today Tuesday.

    Both supermarkets stripped bare by panic buyers once again.
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    Steve, the seller is amazingitem. The location...

    Steve, the seller is amazingitem. The location was Regents Park but based in Hong Kong. I ordered on 23 Dec and it was at the door on 28 Dec so must be in a warehouse in Sydney when you take into...
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    Anyone looking for the 6" rotary table dividing...

    Anyone looking for the 6" rotary table dividing plates and crank fleabay had them for $65 posted from Sydney. Quality quite good and turned up within 1 week of ordering on 26 dec. Worth a look for...
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    Have you got a 63 hole plate John? If not give...

    Have you got a 63 hole plate John? If not give me a call. I can possibly fix you up with a plate for the Vertex rotary table/BS0 div head.

    Otherwise, you can borrow my dividing head which has a...
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    Would be great to catch up John. Miss the...

    Would be great to catch up John. Miss the monthly lunches. St Marys still no chew n spew. What about Penrith RSL. Still closed?

    D
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    I just posted to remind John that we can check it...

    I just posted to remind John that we can check it here for him. We are only 25 minutes apart so no probs checking, we just have to make a time. He must have forgotten about the comparator in my...
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    If you know someone with a Optical Comparator you...

    If you know someone with a Optical Comparator you could most likely come up with the pitch without straining the eyes or best guessing too much.

    D
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    Standard UNF thread which should be available at...

    Standard UNF thread which should be available at any good tool supply store.
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    Maybe just overstepping the cutting speed at your...

    Maybe just overstepping the cutting speed at your stated rpm. HSS tools on cast iron is around 22 m/min so the holesaw that dia should run at around 50 rpm.
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    Classical Metric v belts are measured on the...

    Classical Metric v belts are measured on the pitch circumference. Imperial v belts are measured on the inside circumference.
  28. 7/16" x 28 tpi is stock standard UNEF thread ...

    7/16" x 28 tpi is stock standard UNEF thread

    https://www.m.gewinde-normen.de/en/unified-extra-fine-thread.html
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    Azzrock, Yes, many of these could have retired...

    Azzrock, Yes, many of these could have retired when you were there in the 1980s. Were you MTP or MTH in those days? What a great training establishment it was.
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    I added a few more from around that era Crowie!

    I added a few more from around that era Crowie!
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    Azzrock, do any of these names ring a bell from...

    Azzrock, do any of these names ring a bell from your Navy days at Nirimba?

    Ron Payne, Roy Forsythe, Stan Glass, Fred Hadley, Ron Sell, Col Smith, Brian Barlow, "Jan"Leach (Marking room), Ernie...
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    Nice to chat John. Will be nice to get back to...

    Nice to chat John. Will be nice to get back to our lunches after this lock down thing!!

    Don't get too tied up with that 1/4 turn thing. A quarter turn with a spanner on a 6mm/1/4" cutter is...
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    John, I have spare 5/8, 1/2, 3/8 collets if you...

    John, I have spare 5/8, 1/2, 3/8 collets if you call over. Bring your ones over. Some of the damage to Clarkson collets is caused by spindle "accidently"???? run in reverse which winds the collet...
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    Used extensively in Railway workshops during...

    Used extensively in Railway workshops during steam days for repairing threads on brass, steel and cast iron components eg water injector component threads during refurb. Used in conjunction with a...
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    Osborn Titanic II collet chuck.

    Osborn Titanic II collet chuck.
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    I guess then it's time to leave the room and do...

    I guess then it's time to leave the room and do more meaningful things.

    All have a merry Christmas and enjoy whatever the new year brings.

    Rusty over and out.
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    This is the info I go on for my calcs. I can't...

    This is the info I go on for my calcs. I can't argue with Machinerys Handbook or the Standards drawing of the Unified/Metric profile. If the 0.541P full depth of engagement is the same value as the...
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    This one seems to pop up regularly with magic...

    This one seems to pop up regularly with magic figures re engagement percentages related to OD-Pitch calculation which is the general workshop formula and works for the majority of softer metals.
    ...
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    Oh yes there is Kryn! Exactly the same formula...

    Oh yes there is Kryn! Exactly the same formula as metric is used for imperial UNC/F etc as well as BSW/F etc. For UNC you get same % depth contact as metric as it has the same thread form. ...
  40. In defence of the seller, as a consumer we...

    In defence of the seller, as a consumer we should be very familiar with cutting speeds of different metals. With this diameter and rpm the cutting speed is near 1200 m/min. We would expect the...
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    Many don't look at the other problem with the...

    Many don't look at the other problem with the tailstock for drilling problems. An old lathe where operators don't lubricate the tailstock ways thus heavy wear results in the tailstock being below...
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    It is now 11 days and we aren't sure if Alf has...

    It is now 11 days and we aren't sure if Alf has got to cut that 16tpi thread. Most of us have some way of solving the problem, some through spreadsheets to find that odd gear which most haven't got...
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    If you want a completely bastardised gearbox, buy...

    If you want a completely bastardised gearbox, buy an early model Nuttall lathe ex NSW TAFE. When things got metricated in the early 1970s they changed the 1/4" leadscrew for a 6mm one. There were...
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    Just a thought Alf. Is there another lever...

    Just a thought Alf. Is there another lever somewhere there which indicates imperial or metric. All we have showing is the abc lever and the 123etc. The Mazak lathe which I had a bit to do with had...
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    Hi Alf. To convert imperial to metric we...

    Hi Alf. To convert imperial to metric we multiply by 25.4 which is 25.4/1. To get whole numbers multiply by 5/5 = 127/5
    If you had a 4mm leadscrew you would have to stop rotation, open half nut...
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    Use the same method on the horisontal universal...

    Use the same method on the horisontal universal mill as we do on a turret mill to set head square to table. Hold a suitable length bar on the spindle to attach a dti. Rotate spindle side to side...
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    Hi Alf. This is in your opening lines "The...

    Hi Alf. This is in your opening lines "The thread chasing dial shows 24,21,20 and 18 and the appropriate alphabetical position to engage the dial - I cant understand why I cant engage anywhere as...
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    No probs Pete. On an imperial machine just...

    No probs Pete. On an imperial machine just engage on inch marks :U Although my Dashin Prince stuffs that one up! The whole numbers actually relate to 3/4inch spacings on it.:doh:

    Bob still...
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    It doesn't matter where you engage the half nut...

    It doesn't matter where you engage the half nut TO START when cutting an imperial thread on a metric lathe or VV as it is totally impractical to think we can disengage and use the chasing dial so...
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    Could also be a Purcell copy of Southbend....

    Could also be a Purcell copy of Southbend.
    Purcell 4.5-inch South Bend Copy
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