摘要
采用数值计算方法,比较了混凝土、铸铁和钢3种不同材料立柱的静载抗压能力以及冲击力下的瞬态响应,分析数据表明,钢立柱具有最好的承压能力,在相同压力下静变形最小;由于阻尼的原因,混凝土立柱的振幅受到明显限制,冲击力作用下振动衰减的较快,在更加关注减振性能的高速高性能加工领域,采用混凝土立柱是更好的选择。
Using numerical calculation method, and compares the static load compressive capacity and impact of the transient response for the three different materials, cast iron and steel concrete columns. Analysis data shows that the steel column has the best bearing capacity and minimum deformation under the same static pressure. Because of damping, the amplitude of concrete column is clearly limited, under the action of impact vibration attenuation faster, more attention in the vibration isolation performance of high-speed high-performance processing field, using the concrete column is a better choice.
出处
《航空制造技术》
2016年第23期92-94,99,共4页
Aeronautical Manufacturing Technology
关键词
阻尼
瞬态振动
桥式机床
混凝土
减振
Damping
Transient vibration
Bridge type machine
Concrete
Vibration reduction
