END ABRASIVE TOOL Russian patent published in 2008 - IPC B24D7/10 B24D7/06 

FIELD: abrasive working, possibly designs of end abrasive tools.

SUBSTANCE: abrasive tool includes housing with radial grooves, annular recess and with stem having threaded outer surface. Pusher fixed by means of nut is mounted on stem with possibility of axial motion. Members for securing abrasive beams are in the form of wedges arranged in groove of housing and mounted with possibility of engaging along cone surface with slide blocks spring-loaded in radial direction. To peripheral surface of housing rim is secured; said rim is member for fastening beams. Said beams have lengthwise wedge shaped groove whose depth consist 0.6 - 0.65 of beam thickness and that is filled with grease material. Grooves of beams are turned alternatively to rotation axis of tool or to rim.

EFFECT: improved design of tool providing supply of lubricating and cooling fluid directly to grinding zone, improved quality of abrasive working, lowered consumption of abrasive material.

2 dwg