T-slot platform price saving dynamometer dynamometer test platform for manufacturers

T-slot platform price saving dynamometer dynamometer test platform for manufacturers of cast iron platform, cast iron plate three solidification temperature conditions, microstructure and properties, in the disappearance of casting, sand casting, and metal casting three different same casting solidification temperature curve Casting Condition. After pouring the casting impact test, hardness test, and observing the sample microstructure. Under the EPC, sand casting and metal casting three conditions, metal casting cooling fastest cooling curve up and down the platform does not appear eutectic, microstructure significantly reduce the number of graphite, generating a large number of small radial extension of the casting primary and secondary carbides, hardness and impact toughness was significantly better than the other two casting methods. LFC and sand casting results are close, only a slight difference. Before the eutectic reaction, both cooling curves almost coincide, but the difference between the two eutectic reaction began to increase. Compared with sand casting, lost foam casting eutectic reaction time is relatively longer, the cooling rate after the eutectic reaction is relatively slow down, therefore, lost foam casting coarse eutectic matrix structure, reducing the number of carbides, the amount of graphite increases, the hardness of the corresponding and impact toughness decreased. LFC casting solidification characteristics of a lost foam cast iron platform, cast iron plate cooling and solidification rate is slow, slower than ordinary sand casting. 2 LFC under negative pressure casting, cast steel, good cast iron pieces do not appear up body, casting self feeding ability, greatly reducing the tendency to shrinkage of the casting. 3 LFC iron platform, cast iron plate to cool slowly, casting mold resistance by small, less than clay sand mold casting, so casting the formation of small stress, warm little tendency.