Mold maintenance is mainly divided into three points: 1. Daily maintenance of the mold: various moving parts such as thimble, row position, guide post, guide sleeve refueling, mold surface cleaning, water drainage, which is maintained every day during mold production. 2. Regular maintenance: Regular maintenance includes daily maintenance in addition to the cleaning of the exhaust tank, trapped gas burning black level plus exhaust, damage, wear parts correction. 3. Appearance maintenance: Paint the outside of the mold to avoid rust. When the mold is under the mold, the fixed mold should be coated with anti-rust oil. When the mold is stored, it should be closed tightly and dust will enter the cavity. A, sports parts, daily maintenance refueling; B, mold surface cleaning: do not stick the label paper on the P/L surface, the goods before the mold is not removed and continue to be loaded, P/L position glue is serious;