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Development of a Powder Metallurgy Sensor Ring for Use In a Antilock Brake System
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English
Abstract
The sensor ring for Antilock Brake Systems was developed by the Powder metallurgy(P/M) process. The P/M process provides the following merits;better dimensional tolerance, flexibility of tooth design, versatility of the materials, and better economics.
Residual porosity introduced by the P/M process decreases the output voltage of the sensor. A representative porosity of 10% was confirmed to be allowable.
By developing a new surface treatment suited to P/M parts which contain the residual porosity, we succeeded in developing the P/M sensor ring which can endure a 500 Hr. salt spray test.
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Citation
Hanada, M., Amano, N., Takeda, Y., Saegusa, Y. et al., "Development of a Powder Metallurgy Sensor Ring for Use In a Antilock Brake System," SAE Technical Paper 890407, 1989, https://doi.org/10.4271/890407.Also In
References
- Tokunaga Masayuki “Brake System.” Journal of the Society of Automotive Engineers of Japan 39 6 656 1985
- Nishikawa Toshio “Dacrotizlng.” Metal Finishing Practice 32 6 272 279 1985
- “REPORT OF MAGNETIC PROPERTIES OF SINTERED FERROUS MATERIALS.” Japan Powder Metallurgy Association, The Japan Machinery Federation 1986