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Thread: Myford ML7

  1. #1
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    Default Myford ML7

    Anyone know what size belts a ML7 uses, there are two of them.

    Also the inner drive belt what is the best way to remove it? remove the bearing caps and lift the drive haft out or pull out the top shaft in the cover??

    Photos here:
    The Flying XS: Myford ML7

    If anyone is in Melb with experience I wouldn't mind a visit to give me some tips on restoration and set up. I have boxes of extra tools and bits I can't identify.

  2. #2
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    Default Nice

    That's a neat little lathe but it needs some TLC .........LOL The belts , if they are standard industrial belts , any industrial hardware company will sell them, they are available in a huge range of sizes. Myfords have a great reputation but they are less common out here and sourcing parts from the UK may be expensive to say the least. Did you get the change gears with it ? Mike

  3. #3
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    Default

    Yep got change gears, i assume a complete set, I got about 4-5 boxes of stuff with it, including, drills, Vee blocks, micrometers, lots of cutting tools, ground parallels etc. Although they are all imperial darnit!

    Was form a deceased estate auction.


    Just downloaded the PDF manual

    Headstock belt is 23"Inside length, A section ˝"wide

    Motorbelt is a 34 ˝" Inside length, Z sction ⅜"

    Now just have to find some local.

  4. #4
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    Default v-belts

    Havent bought one for years but I reckon any industrial supply place should have them otherwise try "powergrip" in (I think) Mulgrave area.

    Roger

  5. #5
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    Default

    Flicked Powergrip an email, will see what they say.

    Thanks

  6. #6
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    Default

    Hi Dsel74,
    Are you out the east side? I dont know much about Myfords, but I might be able to help identify a box of bits.
    I assume the "Pin on the Right" is something to do with the back gears, there is normally another pin somewhere that has to disengage so that the Vee belt pulley can spin freely on the spindle. (I guess the manual you have downloaded will cover that)

    Stuart

  7. #7
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    Yes I'm in East Doncaster……..

    There is a two position pin on the right and a three or four position pin on the left of the head stock.

    The one on the right raises some gears to engage the spindle.
    The one on the left is part of the end gears where the change gears go for thread cutting??

    Yeah not so good at absorbing info from books, learn better through kinesthetic (doing)…..

  8. #8
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    Default

    PM sent.

    Yes it would be a lot easier to show someone than try and explain. But I'll try anyway. Your lathe has six spindle speeds. For three speed the vee belt pulley is fixed to the spindle and turns with it. For the other three speeds you engage the back gears(the right lever raises the gears to engage the spindle) and somehow the vee belt pulley is released from the spindle so it can rotate on it. The drive how goes through these gears giving you low speeds.

    Just found a video of where the pin to release the vee belt pulley from the spindle is.

    [ame="http://www.youtube.com/watch?v=YV4GVmT4S94"]Myford Super7 Lathe Backgear Problem? - YouTube[/ame]
    His vee belt pulleys are arond the other way to yours.

    Stuart

  9. #9
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    Default

    I got the belt from Supercheap. To change the belt, you have to remove the bearing caps and also remove the top pulley. To change speed, release the level just above the back of the motor. The knob of the right hand side is for "back gear", you will have to undo the hex screw inside to be able to use it. The knob of the left is for thread cutting and auto-feed, middle position is free, top/bottom is feed left/right

  10. #10
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    Default

    G'day Dsel,
    Congrats on the Myford they are an excellent machine.

    The back gears are engaged by the lever below the chuck and the bull gear is released from the spindle by loosening a cap screw and disengaging a little toothed key on the chuck side of the gear. I't's a bit fiddley and you need a modified 5/32 allen key to get to the cap screw.
    Be careful not to engage the back gears (by lifting the lever below the chuck) without first releasing the bull gear or you risk breaking some teeth (on the gears not in your mouth).

    I have an ML7 which I fixed up and you are more than welcome to swing by and have a look at mine if you need to (I'm in Fawkner).
    They are a nice simple machine and although getting parts out here can be a little tricky it's not impossible and they're plentiful in the UK which is ok as long as you don't need anything too big.
    Drop me a PM anytime if you like.
    Cheers.
    Greg.

  11. #11
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    Thanks Guys, will have to pick up the belts…..will try my luck with Supercheap.

    I also need to get two replacement oilers.

    I have found that cutdown allen key and figure it out now, with some help.

    Want to get my hands on a metric conversion for it, 4 jaw, face plate, and vertical slide. I think shipping will be a killer. I'm wondering if anything Jap will fit?

  12. #12
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    Default

    Quote Originally Posted by DSEL74 View Post
    Want to get my hands on a metric conversion for it, 4 jaw, face plate, and vertical slide. I think shipping will be a killer. I'm wondering if anything Jap will fit?
    The only extra items you need to cut metric threads if you have the full imperial threading gear set are two 21 tooth gears - see the metric threading chart on page 27 of the manual. You won't be able to use the thread indicator dial for metric threading though - will have to reverse the lathe without releasing the half nuts between cuts. Minitech - MINITECH ENGINEERING AND MODEL SUPPLIES - used to carry Myford parts - don't know if they still do.

    If you are looking for stock gears which might be cheaper than Myford ones if you can find them, they are 20 DP (diametral pitch) and 14 1/2 degrees PA (pressure angle)

    Frank

  13. #13
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    It's actually the metric feed screws I'm after so I don't have to do conversions.

    They are available but pretty rare.

  14. #14
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    DSEL74

    A bit of interesting reading for you - ignore the first post:

    Hmmm Myford Mod for 3000rpm... | Model Engineer

    As you probably know RDG bought the Myford name and the remaining Myford spare parts stocks when the Myford company was wound up recently. Previously they were importers of cheap non-genuine Myford-compatible spares, from India I believe. I doubt that their actions mentioned in the linked-to thread will win them many friends among Myford owners!

    Frank.

  15. #15
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    Quote Originally Posted by franco View Post
    DSEL74

    A bit of interesting reading for you - ignore the first post:

    Hmmm Myford Mod for 3000rpm... | Model Engineer

    As you probably know RDG bought the Myford name and the remaining Myford spare parts stocks when the Myford company was wound up recently. Previously they were importers of cheap non-genuine Myford-compatible spares, from India I believe. I doubt that their actions mentioned in the linked-to thread will win them many friends among Myford owners!

    Frank.


    It makes the new owner look pretty bad even by his own postings.

    I will be at most opportunities looking to buy good condition secondhand parts.

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