我厂铸造马铁管子另件所使用的木模,完全是用乾燥的红松木制成。在造型晚,因为将木模放在含有水分的型砂内,木模就吸收了水分,所以新的木模连续使用两三天以后就膨涨变形,因而造成铸件偏歪及铸件壁过厚等现象。最近我们试验用石脑处理木模,收到初步成效,完全解决了木模因吸收水分而膨涨变形的问题。 My factory mold cast iron tube pieces used by the other wood, is completely made of dry pine wood. Late in the modeling, because the wood mold on the water containing sand, the wood mold to absorb the water, so the new wood continuous use of two or three days after the expansion and deformation, resulting in casting skew and casting wall too thick phenomenon. Recently, we test the use of stone processing wood mold, received the initial results, completely solved the wood mold due to absorption of water swelling and deformation problems.