GRINDING APPARATUS

摘要

A grinding apparatus for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TBM) and raised bore machine cutters (RBM), said grinding apparatus consisting of a box having a table for holding one or more bits to be ground, a grinding machine carried by an arm or lever system journaled on a stand attached to the box, wherein said table is tiltably mounted within box and having means to control the tilting action and wherein the table is provided with one or more apertures to hold one or more bits to be ground.