Miniature bearing shield hardness testing way

3, vickers hardness: used for measuring hardness of thin pieces and miniature bearing shield, can also be used to determine the carburizing, cyaniding, nitriding surface hardening machine tool castings such as the hardness of the above information is an engineer introduces miniature bearing shield hardness testing way, if I had not know can online consulting professional service engineers: Lu Tianze 0769-22987612 13827223590 = = = = = = = = = = = = = recommended reading: 'three skills teaching guidance: linear guide installation' = = = = = = = = = = = = =