(under subclass 284) Device including means to vary the flying speed of the cutter.
(1) Note. Devices which increase the flying speed of rotary cutters by increasing the effective radius of the cutters are not here but in subclasses 331+ below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
38, for a method of cyclically varying the tool feed.
295, for means controlling flying speed dependent on work speed.
298, for interrelated control of work-feed and tool speed. 312+, for a device having work-feed speed regulation.
