Wear in Fluid Power Systems.
Abstract
Contaminant wear is one of the critical factors in component life and reliability. Therefore, the detection and analysis of this wear is extremely important. In this study, it was determined that ferrography is an effective tool for this detection and analysis. A theortical method was developed by which the behavior of both magnetic and non-magnetic particles in the fluid stream on the ferrogram can be predicted. This method indicates that very few magnetic particles will not be deposited on the ferrogram. This was verified experimentally. Tests were conducted on gear pumps, a hydrostatic transmission, and complete hydraulic system to verify the effectiveness of the ferrographic technique. These tests showed that changes in the wear rate of a system or component could be readily detected by the ferrograph. The lack of standardization of ferrographic procedures is delaying the acceptance of the ferrograph as a critical decision making instrument. A very advanced draft procedure has been prepared and is ready for consideration by the appropriate committee of the Society of Automotive Engineers. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 30, 1979
- Accession Number
- ADA079654
Entities
Organizations
- Oklahoma State University–Stillwater