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KOBA-check® Sphere Plate

Advantages of the KOBA-check® Sphere Plate
  • KOBA products are manufactured using special steel stabilized by a long aging process which provides dimensional stability
  • KOBA-check® sphere plates have a symmetrical form that insures stability when used at different temperatures.
  • KOBA-check® sphere plates have distortion free support of the spheres which is accomplished by a patented,  machined form that is prism shaped to hold each sphere in its installed position.
  • The main plate is a distortion-free neutral plane, insuring the position between spheres and preventing variation of the certified values.
  • Rigid support frame assembly guarantees vibration-free use in vertical position.
  • KOBA-check® sphere plates have ceramic spheres specifically arranged on the plate to allow for easy access to the equatorial area in four sectors, permitting the scanning of spheres in hemispherical halves around the poles.
  • KOBA-check® sphere plate design permits probing access from both sides of the plate.
  • Access holes for measuring probes surround each mounted ball, allowing access to the spheres at various angles to the plate.
  • Ceramic spheres are fixed into a neutral plane.
  • Stable and distortion-free retention of spheres
  • KOBA-check® sphere plates are manufactured to high dimensional accuracy of <0.3µm and a hardness of  >1650HV.
  • Insulated handles are provided with all KOBA-check® sphere plates.   Optional plastic covers can be purchased for further reduction of thermal effects.
  • Purpose-built transport containers minimize the risk of damage during transportation.
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KOBA-check® sphere plate in vertical position with
gusset plate and adapter plate.

 

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Probe Test Unit

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KOBA-check® sphere plate in horizontal format
Probe Test Unit
  • Probe qualification device that works horizontally or vertically has a high accuracy ring gage and ceramic sphere.
  • Ceramic sphere is 30mm in diameter with spherical accuracy of <0.15µm.
  • Ring gage has a dimensional accuracy of 0.3µm
  

 

 

 

 

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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