Spindle desktop engraving machine rust do

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How to deal with the main desktop engraving machine rusty doubt. The working principle of desktop engraving machine grease, oil layer is the application of the steel ball and raceway of inside and outside apart, viscosity characteristics using the grease, attachment surface roll in the ball and, metal interface between ball and raceway of inside and outside, cut the metal surface and protect the metal from air and water corrosion, decrease oscillation and noise, rolling bearing can smooth. Desktop type lubricating engraving machine fat adsorption acidic component evaporates in paint, cause grease transformation, and the acidic component and promote the oil hydrolysis, results of the concentration of the acid component increases, cause bearing corrosion. But the grease after metamorphosis, the viscosity will change, oil film breaking through, partition function of grease and adhesion properties will disappear, the occurrence of such achievements. One is the direct oxidation of the metal surface acidic component paint the insulation, cause bearing corrosion. Two is formed inside the ball and raceway directly touch, rotation attack wear, and then cause the noise to increase.