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在造型时,分型材料,一般用白砂和松花粉等。我厂铸造车间老师傅们创造,利用废(?)写纸来分型,不但节省了材料,并提高了生产效率。铸造有平面的铸件,在造型时可先作好下砂型,然后将废(?)写纸平铺在下型箱上((?)写纸上穿两个孔,以便按放浇口和冒口),扣合上型箱,按上浇口棒,填砂(?)实,开箱后取出废(?)写纸和木模,撒些铅粉,重新扣箱后,即可浇铸。
In modeling, the classification of materials, usually with white sand and pine pollen. Our factory foundry workshop veterans who create, the use of waste (?) Writing paper to type, not only save the material, and improve production efficiency. Cast a flat casting, the molding can be done under the sand, and then the waste (?) Writing paper tucked in the next box ((?) Writing paper to wear two holes to press the gate and riser ), Buckle on the box, according to the gate stick, sand filling (?) Real, out of the box after the removal of waste (?) Writing paper and wood, sprinkle some lead powder,