Притирка матрицы, весь процесс от А до Я

Full process of grinding the matrix to the feed granulator. 1) Soak the new matrix in sunflower oil for a day. 2) Drill each hole from carbon deposits. 3) Sandblast. 4) Lapping mixture 2:1 bran and sifted sand. 5) Sunflower oil 2 liters (with a reserve) 6) The rest of the sand 3/4 gradually add in the process 7) Lapping for at least 2.5 hours. (if possible, grind a little longer until you get tired of it) 8) Do not throw away the lapping mixture, it will come in handy in the future. 9) Good luck to all.