The wear damage carries to replace machine parts causing a
lost in the valuable time of productions. Therefore should be
proposed serious studies related with the tribology. Thus, is
possible predict future flaws when an appropriate evaluation
method adopted for the different materials and machines
according to its work cycle, in this manner is conserving the
productivity, the industrial security and the decrease of costs.
Laboratory modelings of tribological behaviors are very
importance, because facilitates the correct selection of the
materials to use in frictional constraints and contributes to
materials saving and increment its durability.
With this perception of necessities required in the industry,
have been developed methods able to perform reproducible
tests in any place. Due to this, organizations like ASTM, DIN,
ISO, among others, have standardized these techniques,
achieving with this, the general knowledge of the conditions
of operation of the machines, of their dimensions and of all the
operation parameters during the realization of the rehearsals.
ASTM G 65 standard for abrasive wear test is widely used
by industry to assist in selecting materials for abrasive wear
service. This test involves loading a specimen against a
rotating rubber-rimmed wheel while a flow of abrasive sand is
directed at the contact zone. Choices of loads and sliding
distances are detailed in the test method. [1,2]
In Mechanical Engineering Faculty of the Central
University "Marta Abreu de la Villas" of Cuba isn’t had a
tribologic laboratory that allows to make waste rehearsals in
tribosystem. To will make this laboratory is necessary the
design and production of the machines that will conform it.
Then is performed the design and fabrication of a machine
type "dry sand - rubber disk" for test in abrasive wearing
according to the ASTM G 65 Standard.