美国Goodyear公司Engineered Products分公司(位于俄亥俄州的杰克逊),新近研制成玻璃钢注射模具表面渗氮离子新工艺。与镀铬模具相比,表面渗氮模具具有以下优点: 1.模具凹面上,结构复杂的面上都能渗氮离子、硬化,而且渗氮离子层(即硬化层)较深; American Goodyear Company Engineered Products branch (located in Jackson, Ohio), recently developed a glass fiber reinforced plastic injection molding surface nitriding new technology. Compared with the chrome-plated mold, the surface nitriding mold has the following advantages: 1. The concave surface of the mold, the surface of the complex structure can nitriding ion, harden, and the nitriding ion layer (ie hardened layer) is deep;