Test blocks are manufactured to .000020 of an inch flatness and parallelism. Diameters are held round and straight and sized well under .000020 inch. PDI also makes double blocks for crush tests. Shell masters can be provided to customer specs upon request. This is accomplished under environmentally controlled conditions to assure precise measurements and prevention of corrosion and exclusion of foreign particles.
Hard chrome is added to the wear surfaces and then ground and lapped to required tolerance.
PDI also provides a service to industry in their plant which includes inspecting all Surfometer or Profilometer surface measurement equipment and recommending necessary calibration and repair. Inc. All rights reserved. Information in this document is subject to change without notice. Send Comments to PDI Webmaster .