| 摘要 |
An apparatus and method for the grinding and reconditioning of valve seats utilizing adjustable, rotatable satellite grinding wheels to change the diameter of the annular surface defined by the grinding action to match that of the valve, or the faying ring that is to be reconditioned. The satellite wheels are carried, in a freely rotatable manner, on the periphery of a planetary wheel and secured to slide blocks movable within doveways having radial slots for adjustment of the satellite wheels to vary the diameter. Through the utilization of slide blocks with angular faces in conjunction with rasp or file-type rotatable grinding wheels, the pitch of the satellite wheels can be changed, and excess material resulting from the grinding of the valve or faying ring can be cut away, thereby restoring the valve seating surface to the original widths prescribed by the manufacture. This combination also allows the user to change the angle of relief of the valve seating from an unknown to a known angle.
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