一、芯棒表面生锈点的去除芯棒是计量室检测工件的必备工具,使用后因擦洗不净、手汗、空气潮湿、保管不适而生出锈点,开始似针尖,后似小米粒。发现锈点时,如果锈点还没有向芯棒大面和深度漫延,应及时用白夫绸布沾氧化铬混合液抛擦,或用夫绸布涂牙膏抛擦即可去掉锈点。去掉锈点的芯棒表面与芯棒的其余表面出 First, the removal of the mandrel rusty surface Mandrel is an essential tool for measurement of the workpiece measuring room, after use due to scrub no net, hand sweat, air humidity, rusty point to produce discomfort, began to look like a needle tip, . Found rust, if the rust has not yet extended to the mandrel and the depth of face, should be promptly covered with a mixture of chiffon chiffon cloth rubbing rub, or taffeta coated toothpaste to remove the rust can be removed. Remove the rust on the surface of the mandrel with the remaining surface of the mandrel