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  • Multicurve CityCrown Lathe
  • CNC Lentucular CityCrown Lathe

The CNC Aspheric Series 9

 

The CNC aspheric series 9 machine is the latest machine in the CityCrown Aspheric Lathing system. It retains the proven R-Theta method of machining with the added benefits of x-y interpolated hogging, for both front and back surfaces, as well as true edge radius generation from the finishing tool.

The series 9 is available in three options:

  • Universal for front and back surface cutting Ref No: 5000-0009
  • Base for surface back cutting cutting with automatic loading Ref no: 5000-0011
  • Universal Plus for front and base curve cutting (with Autoloading) Ref No: 5000-0013

    High resolution axis controllers

  • Simple to use software
  • High quality surface finish
  • Wide choice of lens geometry including multifocal and blentic
  • User defined files to suit all materials
  • Modular construction
  • Generation of true edge radii
  • Lens design storage facility

     

    Options

  • Single or double computer systems
  • Universal and dead-length collet
  • Networking capability with lens design program

     

    Specifications:

  • Headstock: Re circulating bearing system
  • Spindle: Air-bearing with speed range between 2,500 and 9,000 rpm under direct computer control
  • Automatic loading system: Fully automated Electro-Pneumatic loading and unloading mechanism with the capacity for up to 60 blanks per magazine.
  • Probe: Micron sensitive computer/pneumatically controlled headstock position sensor
  • Computer: IBM compatible PC using an Intel Pentium processor, 120 Mg (min) HD, 4 MB (min) RAM and 3.5" FDD
  • Compressed air supply:
  • pressure range - 5.5 bar (80 psi) up to 6.9 bar (100psi)
  • Consumption- 170 L/min (6cfm)
  • Quality - Minimum oil carry over 0.008 ppm by weight
  • Electrical supply: 110, 115, 200 or 230 volts, 50 or 60 Hz, conditioned single phase. Consumption 0.75KW

     

    Dimensions and Weight: Width 1300 (51") x depth 840mm (33") x height 1440mm (57") or with autoloader 1880mm (74"). Weight 405 Kg (890lb)


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