Hydraulic Fluid Power - Accelerated Method for Determining the Wear Characteristics of a Hydraulic Component Due to Contaminants

Standard:
Issued:
  • 2010-06-21
 
  • CURRENT
Publisher:
  • SAE International
Pages:
15
Scope:

1. Scope. 1.1 This Recommended Practice defines a procedure, which will aid in assessing the contaminant sensitivity of hydraulic components. This procedure utilizes a very high level of contaminant that permits an accelerated test to determine the affects of contamination in a relatively short period. This recommended practice utilizes the contamination sensitivity test circuit and contaminants identified in SAE J2470. 1.2 This procedure does not establish contamination sensitivity requirements for any hydraulic component. The user of this procedure needs to be aware of the system contamination level that the component will operate in and select test contamination levels significantly higher that the operating level in order to assess the suitability of the component.

Rationale:

SAE J2470 provides a test procedure to identify the sensitivity of valves to sticking or degraded performance due to contaminants but does not identify or measure the wear characteristics of hydraulic components due to contaminants. Some standards have attempted to predict the wear characteristics over the life of the component but often do not standardize the contaminants and often are costly to run because of their long duration. This Recommended Practice provides an accelerated procedure by using the J2470 test apparatus and a very high level of contaminants that permits testing and comparison of designs in a relatively short time.

History:
Standard Published Revision Status
J2890_201006 2010-06-21 Latest Issued
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