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Type: Posts; User: Snapey

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  1. Replies
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    I like to go the easy way with lathe tooling...

    I like to go the easy way with lathe tooling especially radius tools. If it takes less than an hour to make & does the job then I'm happy. A tool for wood or plastic won't be as robust as one for...
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    Sticky: Question 1; No idea. Q 2; That's what I said. Q...

    Question 1; No idea.
    Q 2; That's what I said.
    Q 3; A 30 minute job if required.
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    Sticky: Richards Folly

    To someone not interested in CNC I question how I got involved in making this mess that I'm calling Richards Folly. It now sits waiting for some geek to connect the wires.405084405085
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    Totally agree that it's a versatile tool but to...

    Totally agree that it's a versatile tool but to have people concerned about parallax error when using a tool of questionable accuracy I find quite amusing.
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    I'm not understanding the concern with parallax...

    I'm not understanding the concern with parallax when reading verniers. I class verniers as a good tool for approximate sizes but grab a micrometer when I want accuracy.
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    Sticky: I've got plenty of tapered reamers you can borrow.

    I've got plenty of tapered reamers you can borrow.
  7. Thread: Charts

    by Snapey
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    Charts

    Looking around the shed today I focused on the old Demco & McPhersons charts that were given away too many years ago by those companies. They're still in reasonable condition for their age but I wish...
  8. Machinery house aren't doing anyone a favour with...

    Machinery house aren't doing anyone a favour with the Extra bench grinder on sale for $198. Extra Machinery do that grinder for $170 but with stand $250. The same deal at H & F is $297.

    At $45 a...
  9. Sorry Steve but Extra Machinery were closed for...

    Sorry Steve but Extra Machinery were closed for Xmas break as were most in the complex. No note left to say when they open either.

    Let me know if you want me to look next week.
  10. I'm going past the warehouse soon so I'll call in...

    I'm going past the warehouse soon so I'll call in & get some details for you. I'll let you know in a couple of hours what the delivery details are.
  11. Thread: Graduated Rod

    by Snapey
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    I've got a 300mm piece of 5mm dia rod with two...

    I've got a 300mm piece of 5mm dia rod with two flats but marked in 1/10ths of an inch you can have if that helps Chris.
  12. Once you start polishing & you see the results of...

    Once you start polishing & you see the results of your labour you'll be looking for anything you think will look good with a shine. Spend a bit extra at the start & buy something that won't overheat...
  13. Thread: Macson Lathe

    by Snapey
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    A bit dangerous ... at least I wear thongs which...

    A bit dangerous ... at least I wear thongs which can become interesting when welding.
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    That's why I suggest he might need paper between...

    That's why I suggest he might need paper between the outers to take up that size difference Baron.:)
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    Turn up a mandrel for either a single or several...

    Turn up a mandrel for either a single or several bearings but bottom out on the outer diameter of the race to stop rotation. Apply pressure on the inner race with a thread or with the tailstock then...
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    Just a side note while we're in the gloat...

    Just a side note while we're in the gloat department and nothing to do with tools but a couple of days ago my youngest boy informed me of his selection to the Australian over 40's cricket team to...
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    If you're lucky it might come in the carry case...

    If you're lucky it might come in the carry case with an internal spindle inside.

    I've just compared the pulleys on your grinder to my Waldown (pictured) and have concerns that your wheel will be...
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    Just noticed ... it's sitting upside down.

    Just noticed ... it's sitting upside down.
  19. Replies
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    That's a very interesting direction of rotation...

    That's a very interesting direction of rotation if I believed the arrows on the belt. The whole machine looks wrong for lathe use.
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    NSW Both chucks sold to the same buyer.

    Both chucks sold to the same buyer.
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    NSW Both chucks sold to the same buyer.

    Both chucks sold to the same buyer.
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    NSW The Burnerd 80mm 4 jaw chuck for sale.

    SOLD

    Brand new precision 80mm The Burnerd 4 jaw chuck for sale.

    Beautiful little English made chuck in pristine condition.

    It's mounted on a 36mm diameter spigot but I'd say is removable.
    ...
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    NSW New 5" Pratt Burnerd 3 jaw chuck for sale

    SOLD

    I have a new precision 5" Pratt Burnerd 3 jaw Griptru chuck for sale.

    Catalogue No. 1250-01305

    Model BP76/14884

    Made in England with a factory fitted a removable backing plate hence...
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    NSW Hi Kryn, If you still want to go ahead with...

    Hi Kryn,

    If you still want to go ahead with buying the tool steel I can cut to lengths you require but I intend keeping some for myself. Once that's done I'll measure & weigh then let you know the...
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    I went a bit better than gauge plate Baron by...

    I went a bit better than gauge plate Baron by making the dies for Kryn out of Bohler K110. He said he already had the punches.
  26. Replies
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    It depends on length but it will need special...

    It depends on length but it will need special tooling & if you're talking 3 metre brake press then the cost is huge. If you want short lengths of say 300mm then a screw press will do the job but...
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    I've used HSS drill blanks on press tools without...

    I've used HSS drill blanks on press tools without problems for many years. Maybe I've been lucky.
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    Instead of grinding why not look at using HSS...

    Instead of grinding why not look at using HSS drill blanks as punches? Drill Blanks HSS - Drills
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    Sticky: I'm presuming you intend removing one side to...

    I'm presuming you intend removing one side to leave a flat surface to bolt the bearing so instead of just turning the weld why not take say a 3mm cut on the cylinder part and then come at the weld...
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    It sounds like you need some screw cutting...

    It sounds like you need some screw cutting lessons Richard. Your lathe will be back together when you next visit so a thread will be a good test for you and the lathe.
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    Sticky: You're too kind Kryn. I've got the equipment here...

    You're too kind Kryn. I've got the equipment here and happy to help out although I've offered in private messages a few times with no replies. I benefit too as it's company and also keeps the mind...
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    Sticky: Here you go Richard ... your lathe now with 5" 3...

    Here you go Richard ... your lathe now with 5" 3 jaw chuck fitted.404038
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    You won't find better than Britool sockets. I...

    You won't find better than Britool sockets. I bought this Whitworth/AF set in 1962 for £27+ which was more than five times my apprentice wages and is still in perfect condition.404037
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    I bought that exact same bandsaw yesterday ......

    I bought that exact same bandsaw yesterday ... for a little more than $50 mind you, although the top cover on mine was different ... it said 'METAL BANDSAW'. It was sitting outside the sellers garage...
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    Sticky: I was looking forward to trying the lathe today...

    I was looking forward to trying the lathe today but my bearing supplier has thrown a spanner in the works by selling me 6004 special bearings with a 3/4" bore instead of 20mm. So I drove 5kms to...
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    Sticky: The welds turned out perfect, turning the spindle...

    The welds turned out perfect, turning the spindle was easy and the 6 mounting holes are drilled so installation is next. Luckily both the 3 and 4 jaw chucks had the same 95mm register diameter and...
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    As stated before .. I don't understand the love...

    As stated before .. I don't understand the love affair with QCTP's. I still don't so I'll just have to battle on doing things the old fashioned way.:U
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    I'm still trying to get my head around the reason...

    I'm still trying to get my head around the reason most of you guys have a love affair with QCTP's. Are you using indexable 4 station QC toolposts or just the single ones? From what I see the majority...
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    Sticky: I guess you'll have to blame the guy who bought...

    I guess you'll have to blame the guy who bought the oversize chucks.:D
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    Sticky: Headstock decisions

    It's decision time Richard. Not only how to fit these 5" chucks but whether you go with the tapered roller upgrade and new bearings throughout or stay with the angular contact and not renew the...
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    Sticky: Ah Richard ... if only you knew.:D I'll attempt...

    Ah Richard ... if only you knew.:D I'll attempt to explain the situation seeing Richard has informed me that he bought a couple of 5" chucks.

    Are the register and hole PCD's the same? I hope so....
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    Sticky: The chuck is a nice neat fit on the backing plate...

    The chuck is a nice neat fit on the backing plate so a few light blows with a soft hammer will get it off but it's the way the chuck is attached. Socket head cap screws through a counterbored hole...
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    Sticky: Maybe those other installations you've seen used...

    Maybe those other installations you've seen used the wrong scales.
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    Sticky: DRO scale fitting

    The X and Y axis scales are now fitted so we're just waiting for the screen to arrive for testing. A simple job really, just a couple of brackets and a piece of 25 x 10 aluminium for the cross slide....
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    Sticky: Thanks for the offer Michael but the only time...

    Thanks for the offer Michael but the only time the 40T gear will be needed will be for imperial threads and if that happens I'll put the bearings in a 43T or 44T and use that as an idler. I can't see...
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    Sticky: It's just the dead centre Kryn that I doubt will...

    It's just the dead centre Kryn that I doubt will be used so a couple of tacks will do the job. Will be a different story if the live centre taper doesn't come with a tang.
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    Sticky: Can I watch?:D

    Can I watch?:D
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    Sticky: BV20 tailstock stroke extension

    According to the manual this machine has a tailstock stroke of 20mm although this one was 30mm which is still totally unacceptable. The problem lies in the quill length being too short. When you...
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    Sticky: BV20 positive indexing of the toolpost

    The compound slide has a spring operated hardened bush and pin that locates in four ramped grooves in the tool holder. It gives positive location when indexing the toolpost.403939
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    Sticky: BV20 leadscrew direction change

    To change the direction of the leadscrew for left hand threads you need to introduce an idler gear between the spindle gear ('A') and it's driven gear ('B'). The lathe came with a full set of change...
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