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Stylus Anatomy 101

Stylus anatomy

Ball and Shank Assembly
Drilled pivot mount style Pivot Mount: A drilled ruby is glued to the reduced tip end of the pivot at shank end.
Undrilled solid mount style Solid Ball Mount: An undrilled ruby is glued directly to the end of the shank.
  • 0.4mm and smaller diameter balls cannot be drilled for pivot.
  • Drilled ball / pivot mount designs are recommended for 0.5mm and larger diameters for long life and durability.
Ball Data
  • Balls are grade 6 to 10, depending on the diameter. Refer to our Technical Data chart for more complete information.
  • Standard available ball materials:
    - ruby or sapphire (AL203 monocrystalline)
    - Ceramic (AL203 polycrystalline)
    - Other materials are available on request
Shank Materials
Carbide
  • Sub-micron deflection
  • Small diameters
  • Non-magnetic

Ceramic:

  • Zero deflection
  • Light weight
  • Easy to see
  • Same Coefficient of Thermal Expansion
    as balls
  • Nonmagnetic

Sapphire:

  • Light weight
  • Maximum strength
  • Highest accuracy
  • Same Coefficient of Thermal Expansion
    as balls
 Stainless Steel:
  • Durable
  • Lowest cost
  • Widespread acceptance

Carbon Fiber:

  • Great for high speed machines
  • Light weight minimizes false triggering
  • Use for long configurations
  • Nonmagnetic
Standard Ferrule Designs
  • Short
  • Extended
  • Short, Conical
  • Extended, Conical
  • No Ferrule

PWMs diverse designs maximize strength, working length and accessibility according to your requirements.

 

 

 

 

The contents of the web-site are copyrighted © 1998, 2004, 2005, 2006, 2007 by Paul W. Marino Gages, Inc.  Reprint by permission only.
AMT®, American Modular Tooling® and Solutions® are trade names of Paul W. Marino Gages, Inc.
KOBA® is a registered trade name of Kolb & Baumann GmbH. of Germany,  The KOBA-Step® and KOBA-Check® are protected by patents.
Photos and illustrations contained herein may show items or components not distributed by Paul W. Marino Gages, Inc.
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Every effort has been made to insure the accuracy of this site.

Paul W. Marino Gages, Inc.
21300 MacArthur Blvd.
Warren MI 48089-3020  USA
Phone: (800) 528-9785 (North America) / (586) 759-2400
FAX: (800) 775-7829 (North America) / (586) 759-2423
  e-mail: pwminc@covad.net

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