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Type: Posts; User: rotarySMP

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  1. Replies
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    16,476

    Not polite to call me a thing, but I appreciate...

    Not polite to call me a thing, but I appreciate the compliment.... :)

    It is only a 0.25kW motor, so 1/3 hp. Seems well matched to the machine, as it never slows or bogs down.
    Mark
  2. Replies
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    16,476

    Since this thread is about the only information...

    Since this thread is about the only information on the web concerning the old Coborn scrapers, and I have one, I thought a movie would add to its fame :)
    ...
  3. +1 for: This old tony Clickspring - These two...

    +1 for:
    This old tony
    Clickspring
    - These two are really in a league of their own for the quality of editing, story boarding etc.

    Edge Precision
    Stefan Gotteswinter
    - Really like the quality...
  4. Replies
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    10,995

    Really nice job you are doing there. Mark

    Really nice job you are doing there.
    Mark
  5. Those ways look in nice condition.

    Those ways look in nice condition.
  6. Will you also be doing a thread on the Mori?...

    Will you also be doing a thread on the Mori? Would love to see pictures of that project as well.
    Mark
  7. Replies
    238
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    26,757

    How hard it will be will depend on the scope of...

    How hard it will be will depend on the scope of the retrofit and will depend on what is dead.

    The MAHO MH400E I bought had a graphic card problems I couldn't fix, and then I later found it had one...
  8. Replies
    40
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    3,470

    Scott Manley just posted an excellent video on...

    Scott Manley just posted an excellent video on the physics of the Chernobyl accident.
    YouTube
  9. Replies
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    4,659

    Back to the OP'S question, "why not grind flat...

    Back to the OP'S question, "why not grind flat and then just scrap in low spot (= Oil retention pockets)? This is is/was commonly done in production.

    My MAHO was built like that in the factory....
  10. Windex if it is dirty from not being used. WD-40...

    Windex if it is dirty from not being used. WD-40 if I am spotting. I also use WD40 to water down the prussian blue a little.
  11. Rather OT, but it is interesting that SpaceX is...

    Rather OT, but it is interesting that SpaceX is doing some experimental work to take advantage of the cryogenic strength of some stainless steels.

    YouTube
  12. Deleted, mis read taper attachment for long taper...

    Deleted, mis read taper attachment for long taper spindle nose.
  13. Replies
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    3,563

    Would they be flaking for oil retension, or...

    Would they be flaking for oil retension, or scraping for flatness. What does the straight edge used for bluing a surface that large look like, or would it be measured optically with an autocollimator...
  14. Replies
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    86,207

    Thanks guys. So after the first batch of Waffles,...

    Thanks guys. So after the first batch of Waffles, you have to rescrape them :)
    Mark
  15. Replies
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    86,207

    What is that first one for? The yellow one. Some...

    What is that first one for? The yellow one. Some sort of funky waffle iron?

    Mark
  16. Nice job of that retrofit. I really like...

    Nice job of that retrofit. I really like Gmoccapy. Cool that you got Andy P's lathe macros integrated with it.

    Sorry I don't have any answers to you questions. You might try asking Andrew Mawson...
  17. Thread: Maho MH600

    by rotarySMP
    Replies
    12
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    2,697

    The press oiler I have doesn't leak at all. It...

    The press oiler I have doesn't leak at all. It was pretty cheap too, and I only have to refill it a couple times /year.
    Mark
  18. Thread: Maho MH600

    by rotarySMP
    Replies
    12
    Views
    2,697

    Nice machine you have got there. Good idea to...

    Nice machine you have got there. Good idea to pull the ways apart and wash out that grease. You need correct way oiling, and decent scrapers to prevent galling of the ways with time.

    This is the...
  19. Replies
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    While not specific to your Hardinge, the...

    While not specific to your Hardinge, the tolerance given by Boley for the register on their threaded lathe spindles is ISO h5, which would seem a good reference point. The document linked by old_Dave...
  20. Replies
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    Don't be too sure about that. As countries, we...

    Don't be too sure about that. As countries, we have subcontracted many legislative tasks to the EU parliament and Commission. Take for example aviation. The UK CAA used to have personal managing the...
  21. Replies
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    Hydrostatic bearing clearance is a balancing act,...

    Hydrostatic bearing clearance is a balancing act, heavily dependant on the oil viscosity and top rpm. On my Boley 4LV, a really thin oil is specified, barely thicker than diesel. The plain bearing...
  22. Replies
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    93,723

    I wanted to get my head around spiral tool paths,...

    I wanted to get my head around spiral tool paths, so I hand wrote this file. Note, my MAHO MH400E was not capable of 3D interpolation when I got it, so this is an improvement which would have...
  23. Replies
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    Views
    632,786

    Sticky: It is possible to make replacement chuck jaws, at...

    It is possible to make replacement chuck jaws, at least from a super human tool maker like Stefan G.
    Making a set of chuck jaws Part 1/3 - YouTube

    Not trivial.
  24. Replies
    397
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    93,723

    Thanks Kees, but it turns out this is not that...

    Thanks Kees, but it turns out this is not that uncommon in Germany. There are at least a few which have done it before, but they were much more skilled than me at both the hardware and software side,...
  25. Replies
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    93,723

    Yesterday I ran my first mill G-Code under...

    Yesterday I ran my first mill G-Code under LinuxCNC on the converted MAHO MH400E. Not the greatest success, but they were all my own mistakes.

    MAHO MH4E LinuxCNC retrofit, tool path error -...
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