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我厂生产的手动喷雾器每年几十万台,喷雾器上的铜铸件都很小,每件净重从十几克到四十来克,毛重从二十几克到近一百克。切削量是零件净重的一倍多。按照《第一机械工业部机电产品材料消耗工艺定额制定方法》的规定计算出的定额与实际出入较大,为了更好地指导生产,搞好经济核算和材料供应工作,我们总结了如下的计算公式:
Each year, hundreds of thousands of manual sprayers are produced by our factory. The copper castings on the sprayers are very small. Each net weight ranges from ten to forty grams and the gross weight ranges from twenty to nearly one hundred grams. Cutting amount is more than double the parts net weight. In accordance with “the first Ministry of Machinery Industry, mechanical and electrical products, materials consumption process quota method,” the provisions of the fixed and actual access larger, in order to better guide the production and improve the economic accounting and material supply, we have summarized the following calculation formula: