Apparatus for the precision grinding of conical seats for cylindrical nozzle workpieces
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United States of America Patent
Stats
-
Jun 3, 1997
Grant Date -
N/A
app pub date -
Nov 8, 1995
filing date -
Nov 8, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for the precision grinding of conical valve seats of nozzles, for example, injection nozzles for internal combustion engines. The body is entered hydraulically on a mandrel and a driver has a rubber O-ring braced against the nozzle body to frictionally engage it is rotation while passing through the mandrel for the shaft of a grinding tool which is located at the end of the mandrel. The system avoids radial clamping stresses on the workpiece and hence allows, precision low tolerance finish grinding to be achieved.
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