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Thread: ZX4075 BT30/ISO30 Spindle

  1. #13
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    Default Re: ZX4075 BT30/ISO30 Spindle

    So the supplier said "all our spindles are like that".... so they are selling defective wares knowingly? What the hell




    So not only the spindle sleeve is 0,09 mm out of tolerance, it's full of oxides that loosen by the gentlest of touch (photo) and the oxides in the top part are several milimeters thick! when I tried to scrape it off it came off like a thick black potato chip. The photo of the inside of the spindle sleeve is after it spent 2 days in a cleaning fluid to wash out bearing grease.

    So anyway the supplier is a complete jackass by probably lying to me. They offered to return money which I'm afraid is not enough in this case.

    Either they will replace it with a better sleeve or I will have to take it to a machinist with a bigger lathe than mine to bore out the nasty crust. Or adapt the previous sleeve from a MT4 spindle which means again having it machined to accept new bearings (mismatch between the ISO30 inner part and the MT4 sleeve bearing sizes). Or say goodbye to quill capacity and just use epoxy paint inside the sleeve to fix/freeze the oxides in place (this is how they do it in gearboxes).

    This sucks

    Attached Thumbnails Attached Thumbnails ZX4075 BT30/ISO30 Spindle-oxides-jpg   ZX4075 BT30/ISO30 Spindle-gentletouch2-jpg  


  2. #14
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    Quote Originally Posted by vakeiros View Post
    yeah, as I thought.... on my mill manual states that bearing as a 32008 (40mm ID), I'll have to check if that's real on the machine. If it is I'll have to go to a professional machinist to sleeve the spindle, I think it's quite doable...
    thanks for the info
    What machine do you have with 40mm bearings? All three of ours being different brands are 35 and 30.



  3. #15
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    Quote Originally Posted by vakeiros View Post
    Hi guys, I'm loosing my mind looking for a BT30/ISO30 spindle for my ZX7045, can't find it anywhere, well I'm lying since I found a company in germany that sells the full spindle in ISO30 but I'm waiting for the damn thing since april and I'm about done waiting since every time I ask they say that the'll have it in two months... so I'm looking for other suplier... can anyone help me???
    I am looking myself. The German company doesn’t appear to ship to the USA. Also haven’t heard a response. Perhaps there is a market of need here someone should consider manufacturing them.



  4. #16
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    Default Re: ZX4075 BT30/ISO30 Spindle

    If any of you guys have one of these spindles extra id like to find one to see how they fit in my 4 different branded bench mills. Message me if anyone has or knows where one is for sale. Thanks.




    Quote Originally Posted by vakeiros View Post
    I might have a problem tho... can you confirm me the bottom bearing ID (the one next to the cone)? from what I'd seen I might have a problem there since mine has a 32008 bearing (from the mill book, I'll have to check it for real if that's exactly what's inside) that's a 40mm ID, while at least, another guy here in the forum has a 35mm ID on his Bolton ZX45... I guess it can be sleeved if properly made since mine is suposelly bigger... will have to see that... but I would apreciate if you could check that for me.. the deal is done either way, won't go back!




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ZX4075 BT30/ISO30 Spindle

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