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IndustryArena Forum > Mechanical Engineering > Epoxy Granite > Is a direct-drive lathe better?
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  1. #1
    Join Date
    Jan 2024
    Posts
    6

    Question Is a direct-drive lathe better?

    Hello everyone,
    We will purchase a new lathe and we have learned that the spindle is belt-driven. Will this be a problem? Is a direct-drive lathe better?
    hope to know more differences between these two kinds.
    Thx.

  2. #2
    Join Date
    Aug 2004
    Posts
    782

    Re: Is a direct-drive lathe better?

    Better -- yes.
    Mostly.
    But almost certainly You will not choose to afford one .. the prices are well above the 100.000€ and up range.

    Making a large servo motor with lathe-quality bearings is actually not all that hard.
    But it is expensive, in small quantities, and the special skewed stator parts are not complex but are expensive, if or when you only make a few.

  3. #3
    Join Date
    Jan 2024
    Posts
    6

    Re: Is a direct-drive lathe better?

    Yes, I know high prices are a hindrance, but sometimes quality and performance justify the cost for those with specific needs. Regarding servo motor manufacture, I agree it's not overly hard conceptually, but cost factors for small quantities and specialized parts are challenging. It's interesting to note these production aspects and their impact. Maybe costs will come down in the future with tech advances and economies of scale.

  4. #4

    Re: Is a direct-drive lathe better?

    Quote Originally Posted by DeanAustin661 View Post
    Hello everyone,
    We will purchase a new lathe and we have learned that the spindle is belt-driven. Will this be a problem? Is a direct-drive lathe better?
    hope to know more differences between these two kinds.
    Thx.
    Difference between belt-driven and direct-drive for your reference.
    https://www.paycnc.com/info/spindle-...elt_i2693.html

  5. #5
    Join Date
    Jan 2024
    Posts
    6

    Re: Is a direct-drive lathe better?

    Thx bro.

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