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  1. #101
    For that amount of money I'd want to be getting more than 12000rpm. 18000rpm would be much better, but it seems toolholders which are sufficiently well balanced for that speed are rare and expensive.

    This lot look worth investigating:

    http://www.alibaba.com/product-gs/54...g_Machine.html

    http://www.alibaba.com/product-gs/53...otor_BT30.html

    http://www.alibaba.com/product-gs/53...dle_Motor.html

    http://www.alibaba.com/product-gs/46..._with_atc.html

    http://www.alibaba.com/product-gs/36...dle_Motor.html

    In particular the first one - 1130-24Z or 1130-16Z. The 24Z (24krpm) has 35mm bore bearings, but the 16Z (18krpm) has 40mm bore thin section bearings. Need to investigate which is strongest. The one you have a quote for uses 45mm bore bearings, so it would be more rigid, but any of these will be more than the standard 2.2kw ER20 spindles which only use 25mm bearings. If they can't wind the -24Z for 220V then it'll have to be the 16Z spindle anyway.

    http://lyzyzc.en.alibaba.com/product...NS7CE1DDL.html
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  2. #102
    Quote Originally Posted by Jonathan View Post
    For that amount of money I'd want to be getting more than 12000rpm. 18000rpm would be much better, but it seems toolholders which are sufficiently well balanced for that speed are rare and expensive.

    This lot look worth investigating:

    http://www.alibaba.com/product-gs/54...g_Machine.html

    http://www.alibaba.com/product-gs/53...otor_BT30.html

    http://www.alibaba.com/product-gs/53...dle_Motor.html

    http://www.alibaba.com/product-gs/46..._with_atc.html

    http://www.alibaba.com/product-gs/36...dle_Motor.html

    In particular the first one - 1130-24Z or 1130-16Z. The 24Z (24krpm) has 35mm bore bearings, but the 16Z (18krpm) has 40mm bore thin section bearings. Need to investigate which is strongest. The one you have a quote for uses 45mm bore bearings, so it would be more rigid, but any of these will be more than the standard 2.2kw ER20 spindles which only use 25mm bearings. If they can't wind the -24Z for 220V then it'll have to be the 16Z spindle anyway.

    http://lyzyzc.en.alibaba.com/product...NS7CE1DDL.html
    First of all i dont really need 18k and None of the links you put on there are quotes, but just guide prices, get some quotes and see what you get, the item i have posted is without motor, i am awaiting updated paperwork for that, and is new unlike some of the links you have provided, they are used/refurbished items and as such very overpriced, i want BT30 ATC 12k rpm max (just for flexability) so if you can go cheaper price new not used, then post the quotes and i will contact them and may even buy one..or more

    Rick

    To Beat we have

    12k rpm spindle cartridge
    BT30 ATC

    $1522 = 976.52
    Last edited by Ricardoco; 21-06-2012 at 08:46 PM.
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  3. #103
    Quote Originally Posted by Jonathan View Post
    For that amount of money I'd want to be getting more than 12000rpm. 18000rpm would be much better, but it seems toolholders which are sufficiently well balanced for that speed are rare and expensive.

    This lot look worth investigating:

    http://www.alibaba.com/product-gs/54...g_Machine.html

    http://www.alibaba.com/product-gs/53...otor_BT30.html

    http://www.alibaba.com/product-gs/53...dle_Motor.html

    http://www.alibaba.com/product-gs/46..._with_atc.html

    http://www.alibaba.com/product-gs/36...dle_Motor.html

    In particular the first one - 1130-24Z or 1130-16Z. The 24Z (24krpm) has 35mm bore bearings, but the 16Z (18krpm) has 40mm bore thin section bearings. Need to investigate which is strongest. The one you have a quote for uses 45mm bore bearings, so it would be more rigid, but any of these will be more than the standard 2.2kw ER20 spindles which only use 25mm bearings. If they can't wind the -24Z for 220V then it'll have to be the 16Z spindle anyway.

    http://lyzyzc.en.alibaba.com/product...NS7CE1DDL.html
    Oh just noticed three of your links are for Ms Xing....lol dont believe all you read will you

    Here was The quote she gave me...

    "Elizabeth Xing:
    (02:14:19):

    3.2 kw BT30 18000rpm spindle
    motor is 110mm, OK?


    Rick:(02:15:35):
    ok 380v
    spindle



    Elizabeth Xing:(02:17:26):


    2199 dollars per piece, not
    including the pull stud and toolholder.


    Sorry, 2177 dollars per
    piece.


    Reply View
    Context


    Rick:(02:18:10):

    and
    220v



    Elizabeth Xing:(02:18:20):

    the
    same.


    Rick:(02:18:43):


    Ok and what price for shipping
    to UK


    Elizabeth Xing:(02:19:31):

    Shipped by DHL, 249
    dollars.
    Package weight 23
    kg.





    Any questions???
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  4. #104
    Quote Originally Posted by Ricardoco View Post
    Oh just noticed three of your links are for Ms Xing....lol dont believe all you read will you
    I'm not sure what you mean? The price they have quoted is well within the price range on all Ms Xing's listings.

    The 1530-9-12 as it is 9-12krpm looks much more suitable for your application.

    Quote Originally Posted by Ricardoco View Post
    is new unlike some of the links you have provided
    Which?
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  5. #105
    Quote Originally Posted by Jonathan View Post
    I'm not sure what you mean? The price they have quoted is well within the price range on all Ms Xing's listings.?
    It is like those hotel rooms starting at 19 when you get there they are all booked out, Every time..

    I asked her what spec were her spindles for $1920, and she has none left and it is only a guide price. and some of her spindles fall outside the top end as well..

    Quote Originally Posted by Jonathan View Post
    The 1530-9-12 as it is 9-12krpm looks much more suitable for your application..
    As i stated earlier in the thread i want as much flexability as possible which meant buying a seperate motor, 9k is to high for the lower limit. As you stated earlier the motors have no power at the lower speed, I will be gearing down to 2k on spindle with an approx 0-6k motor and up to 10k if need be i will be using pulleys for this, with a little left in reserve.

    Quote Originally Posted by Jonathan View Post
    Which?
    take a look at the pictures you cant miss it.. when i asked her if they were "used" she just said "some" Its all too easy to blag and blame the language barrier when in fact every word is understood perfectly..
    .

    But thanks anyhow Jonathan
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  6. #106
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    I've had a thought. We discounted making these spindles as it would be too much hassle making a one off. But i want two, and overall we're looking at five so maybe we can get this sorted and get 5 universal bt30 spindle sections made, and configure the case and bearings to suit our own requirements. This way we all get what we want and the expensive ground spindle can be made for us.

  7. #107
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    anybody else want to jump on

  8. #108
    Quote Originally Posted by i2i View Post
    I've had a thought. We discounted making these spindles as it would be too much hassle making a one off. But i want two, and overall we're looking at five so maybe we can get this sorted and get 5 universal bt30 spindle sections made, and configure the case and bearings to suit our own requirements. This way we all get what we want and the expensive ground spindle can be made for us.
    Well I'm willing to explore that avenue, whatever gets me the ATC spindle i require..
    Always bear in mind that your own resolution to succeed is more important than any other - Abe Lincoln

  9. #109
    Quote Originally Posted by i2i View Post
    But i want two, and overall we're looking at five so maybe we can get this sorted and get 5 universal bt30 spindle sections made, and configure the case and bearings to suit our own requirements. This way we all get what we want and the expensive ground spindle can be made for us.
    I'm all for that, but things like this gentlemen's experience worry me:

    http://www.cnczone.com/forums/vertic...roject-13.html

    The other problem is the cost of the super-precision bearings which are a necessity for the sorts of speeds we're after. The place I posted in post #101 may help there.

    I bought plenty of 35mm EN19 steel for precisely this project...

    Quote Originally Posted by Ricardoco View Post
    As i stated earlier in the thread i want as much flexability as possible which meant buying a seperate motor, 9k is to high for the lower limit.
    9k is almost certainly not the lower limit, I bet it is 9k upper limit with 'standard' bearings and 12k upper limit with the better ones.
    I was going by what you said here with regards to including a motor:

    Quote Originally Posted by Ricardoco View Post
    I bet once you pass 10k the price goes up as much as the rpm..... lol but it would be nice if it had a motor on from where i sit, as i will have to buy one anyhow and im sure that wont be cheap.
    But if you're prepared to do the extra work to attach your own motor then that is definitely the best solution since, as you said, you require useful power at 1000rpm.
    Old router build log here. New router build log here. Lathe build log here.
    Electric motorbike project here.

  10. #110
    i2i's Avatar
    Lives in Cardiff, United Kingdom. Last Activity: 23-12-2016 Has been a member for 7-8 years. Has a total post count of 693. Received thanks 30 times, giving thanks to others 0 times.
    i'm going to have 2 pole 1.5hp 3 phase motors on mine, and i fancy drilling through the motor spindle and attaching the atc actuator on the top of the motor so everything is in line

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