In the cut excavator bucket teeth found around the pores, while fighting tooth cavity also found holes. Casting bucket tooth pores can be divided into precipitation of porosity, pore invasive pores and reaction, and fighting tooth and adapter shrinkage, shrinkage in the formation of mostly accompanied by precipitation of gas porosity and shrinkage, shrinkage can said to be associated. If the alloy containing gas is too high, or the liquid metal filling process gas too intrusive, would exacerbate the formation of the craters or pores. Through the analysis of bucket teeth cut, you can see the pores are randomly distributed, and large holes, mostly spherical and spherical group, we can conclude that this is essentially intrusive stomatal pores.
