Levicron Ultra Precision Spindles

  • ASH-H25, ASD-Cx High Speed Air-Bearing Tooling Spindles by Levicron +


    Ultra Precision meets Industrial Grade

    If you are looking for product quality improvements that only an ultra precision tooling spindle can provide, and also require the robustness of an industrial grade design, Precitech’s ASD-H25 and ASD-Cx high speed air-bearing ultra precision tooling spindles by Levicron are precisely what you need. 

    These spindles are available in two configurations: ASD-Cx features a pneumatically operated collet system, and, the ASD-H25 features an industry standard, HSK25 interface, enabling the use of an off-the-shelf ultra precision solution for quick tool changes, saving time and money.


    HSK Quick change tool interface test at 180 mm from the spindle nose showing 0.5 micron of runout

    Available in 60,000 and 80,000 rpm models, Levicron spindles permit faster manufacturing and a higher levels of quality than other spindles on the market. The low error motions, long and light shaft design, thermal stability, accurate quick tool changes, and robust bearing system allow for the quick chip-to-chip time and material removal rates required by highly productive industrial processes. Since 1962, Precitech has delivered complete ultra precision solutions and maintains an installed base of over 1,500 systems worldwide. We continue to define the state-of-the-art, enhancing accuracy, productivity, and ease of use.

    Precitech is ultra precision machining solutions.

    • Increase your productivity and reduce your tool expense
      up to 80,000 rpm and optional HSK25 quick change tool interface
      — quickly and repeatedly center a tool within 1 um and no balancing for small tools minimizes chip-to-chip time
      — excels at rapid material removal due to high power and robust bearing design
    • Improve your surface finish
      asynchronous error motion less than 30 nm
    • Reduce your spindle soak time
      reaches thermal stability in under 5 minutes
      — radial growth limited by integrated symmetrical thin film cooling system
      — axial growth limited by self compensating design (bearing cartridge growth in +Z offset by shaft growth in -Z)
    • Accurately run at any speed
      shaft design ensures all natural frequencies are outside operating speed range
  • Key Specs +


    Key Specifications

    Speed
    60K, 80K 90K and 100K available upon special request

    Max Shaft Power
    2.1 - 4.2 kW (2.8 - 5.6hp)

    Axial Stiffness
    up to 60 N/µm

    Axial Load Capacity
    up to 550 N

    Radial Stiffness
    up to 40 Nm

    Radial Load Capacity
    up to 330 N

    Error Motion
    Asynchronous error motions less than 30 nm axial

    Results: 80 k rpm Roughness Sa = 1.494 nm
    t/r 0.5 mm Gaussion Filter Sq = 1.861 nm
    constant surface speed .08 mm St = 11.72 nm
    = 400 mm/min
    5 micron/rev
    (taken on a Taylor Hobson CCI)
  • Application Notes +


    Micromilling of crystalline material (CaF2)
    Demonstrate the surface finish and flatness results achievable on calcium fluoride using a Freeform® TL machine and a Levicron milling spindle.  

    Local spiral milling
    Demonstrate the surface finish results achievable with local spiral milling of a brass pin using Levicron’s 80K RPM high speed air-bearing tooling spindle.

    Freeform glass grinding with Levicron® spindle
    Demonstrate the surface finish and form accuracy achievable when grinding glass with a Levicron® ultra precision spindle

  • Brochures +