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利用差热扫描量热仪、万能材料试验机和1∶3制动动力试验台等分析和测试手段,系统研究了HGM-B型高摩擦系数合成闸瓦成型工艺对其物理力学性能和摩擦磨损性能的影响。结果显示:采用5.6~28 MPa的压制压力、150~160℃的压制温度、160℃/4 h的后处理条件生产的闸瓦,物理力学性能和摩擦磨损性能符合标准要求,其压缩强度为28 MPa、压缩模量为0.8 MPa、冲击强度为4.0 kj/m2,综合性能优异。
Using differential scanning calorimetry, universal material testing machine and 1: 3 brake dynamic test bench and other analysis and testing methods, the HGM-B high friction coefficient synthetic brake shoe molding process was systematically studied for its physical and mechanical properties and friction and wear The impact of performance. The results show that the brake shoe produced by the compressing pressure of 5.6 ~ 28 MPa, the pressing temperature of 150 ~ 160 ℃ and the post-processing condition of 160 ℃ / 4 h meet the standard requirements, and the compressive strength is 28 MPa, compressive modulus of 0.8 MPa, impact strength of 4.0 kj / m2, excellent overall performance.