... parts, synchromesh gear hub, pressure side plate, striking fork, hydraulic valve pushrod seat, oil pump rotor, oil pump gear, oil ... high temperatures and the metal powders coalesce and form a solid. A second pressing operation, repressing, can be done prior ... steel, copper steel, copper molybdenum steel, alloy.4. Production equipment:a. Hydraulic press with 200T, 160T, 100T, 60T, 50T, 25T, 20T, 10T, ...