This SAE Standard specifies the essential dimensional features of HK- and HKB- half keystone rings with narrow ring width types.
Dimensional and allow for the use of cast iron (table 6) or steel (table 7). Since the modulus of elasticity of steel rings is higher than that of cast iron rings, the fluctuation int he surface pressure will become greater if the free gap is set as the reference for forces. Therefore, forces are set using the surface pressure as the reference in order to minimize the effect of the fluctuation.
The requirements of this document apply to half keystone rings of reciprocating internal combustion engines up to and including 70 mm diameter for cast iron rings and up to and including 100 mm diameter for steel rings.
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| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Published : | 06/30/2008 |
