Study On The Impregnation Process And Grinding Performance Of Grinding Wheel

Grinding is a machining process with some special characteristics such as higher grinding temperature, quicker wear of the grinding wheel and grinding burn on the ground surface during the grinding process. It is the main method of surface manufacturing. But there are some problems about the effective of grinding fluids during the grinding process, because the resistance for grinding fluids into grinding zone by high speed of the grinding wheel, and there are less grinding fluids in the grinding zone it caused higher grinding temperature and wear of grinding wheel. Also it may hanppen in the dry grinding process for manufacturing of the machining tool of the hard to cut materials. Therefore, the more efficient grinding wheel is necessary for the special grinding process.The grinding wheel treated by some surfactant additives such as machining coolant composition has some advanced performance that reducing grinding wheel wear, improving ground surface quality ect.The impregnation grinding wheel is depend on the capillary of vitrify bond grinding wheel which make some chemicals were absorbed into the pockets of the bond material, therefore this method only can be applied for vitrify bond gringding wheel. But the pockets ratio is 20～40% for middle density of wheel. So it need a special permeates method to put some chemicals into the grindingwheel.Impregnation fluids and process are key factors of the impregnation grinding wheel performance.First, this paper introduces the action mechanism of surfactant additives, and an appropriate recipe of impregnation fluids which is well dispersed to meet the impregnation requirements process is proposed by orthogonal test.In order to reach a good effect, Vacuum pressure impregnation process is adopted to improve the impregnation effects in these experiments. Special vacuum impregnation equipment is produced in this paper.Second, the mechanism of grinding wheel is studied in this peper. There is a lubricating film adhering to the grinding wheel pore. This film is very useful, and it is the main reason that is different from the normal grinding wheel. During the grinding process it can improve the grinding conditions, enhance the work piece surface quality, and prolong the service life of the grinding wheel.Finally, make some conclusions for this paper and suggested the future research work.