hammasratta hammaste tööpindade viimistlemine eritööriista – šeivriga mille käigus eraldatakse hammasrataste hammastelt õhuke laast, mille tulemusena hammasratta täpsus suureneb, a finishing operation that removes small amounts of metal from the flanks of gear teeth; operation involves the use of gear-shaving cutter that is meshed and rotated with the gear