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Type: Posts; User: John_Dilinger

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    Harrison m250

    Hey guys,

    I'm trying to find a HARRISON M250 metric geared lathe, I found one in Newcastle at MAXXON machinery but it's english geared and no use to me.

    If anyone has one or knows of someone...
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    I don't see a downside at all, the surface finish...

    I don't see a downside at all, the surface finish is quite good.

    A 60 grit wheel was used to get that finish, if I use my 120 grit or 230 diamond wheel its...
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    Spining indexer

    Newest project in the works is a spining indexer.

    The idea of building / fabricating this came about after realising my D-bit grinder was not suited for grinding long cylindrical shapes, who would...
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    So I don't think the radius really matters, as...

    So I don't think the radius really matters, as long as it's not so large you can't get a decent variation on either side of the centre point.

    I used a radius of 100mm to make mine and it works...
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    The fabrication...

    The fabrication...
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    Squareness comparator

    The decision to fab a squareness comparator came about whilst trying to check if the jaws on my milling vice were square (they were not).

    I rigged up a mag base with a dial indicator attached and...
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    So I used 2x tension gast struts 200kn each. Set...

    So I used 2x tension gast struts 200kn each. Set it up the same as how the spring packs were setup with custom mounting points. Then used stainless wire cable to connect from top of strut system over...
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    So finally installed the NVR switch, wired it up...

    So finally installed the NVR switch, wired it up and got it working...

    It is so quiet, spindle spins at...
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    1 axis...

    1 axis DROhttps://uploads.tapatalk-cdn.com/20210202/9853801e71b9d519b45d2c31351bafdc.jpghttps://uploads.tapatalk-cdn.com/20210202/15d0b5dc8fc485f4766c72bb37f7fc60.jpg

    Sent from my IN2023 using...
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    Here are a couple of shots on how I converted the...

    Here are a couple of shots on how I converted the axis to...
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    Hi Eric, Attached is the sales advert for the...

    Hi Eric,

    Attached is the sales advert for the MACSON surface grinder, on the advert it references the grinder as a M-64.

    I replaced the spindle bearings with high precision NSK units.

    So...
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    MACSON M-64 Surface Grinder Rebuild.

    Hey guys,

    So thought I would post a little thread on my MACSON M-64 surface grinder rebuild.

    Bought this bad boy in 2018 off a guy way up in the blue mountains, took me almost 2 hours to get...
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    Yeah your right Mike, it's MT3 M12. Also if...

    Yeah your right Mike, it's MT3 M12.

    Also if this thing ever needs parts is there somewhere one might source these from? Or is a case of "fab your own"?

    Sent from my SM-G960F using Tapatalk
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    KURODA Automatic Boring Head

    So picked up a Kuroda boring head a few days ago. I was kinda excited as I had been looking for one for quit a while.

    I have seen a few identical to the one I acquired, although mine has 2...
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