How to Extend The Life of Cast Iron Surface Plate?

Service life is certainly the main thing of cast iron surface plate, the main method is to reduce the wear and tear, then how to reduce wear?

First, cast iron surface plate should be kept clean, which is is very important. Airborne abrasive dust is usually the largest source of the wear, because it is often embedded in the workpiece and the contact surface of the meter. Next, for the cover plate, prevent dust and damage, periodically rotating plate make single region does not receive excessive use, through replacing the steel cover plate contact pads for expansion. In addition, avoid setting food or drink on the surface of the plate. Note that many soft drinks contain phosphate or carbonate, it can dissolve minerals and leave small pits on the surface.