Semi-synthetic cutting fluid processing aluminum parts appear dark spots

Semi-synthetic cutting fluid processing aluminum parts appear dark spots

  Aluminum alloys are very sensitive metals. Both aluminum alloys of the 6000 series and aluminum alloys of the 7000 series are prone to problems during the processing of cutting fluids. The most common problem is blackening. 

In the above-mentioned semi-synthetic cutting fluid, there is a problem of black spots and fading of the workpiece. The main problem is that the aluminum parts are corroded by the cutting fluid, so black spots and fading occur. problem. The solution can be adjusted on the formulation of semi-synthetic cutting fluid, adding corrosion inhibitor. This is a typical case of insufficient corrosion protection of aluminum parts. Generally, black spots are processed in aluminum parts, most cases The bottom is due to the corrosion of the aluminum parts. 

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