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陕西鼓风机厂铸造车间是一个单件小批量的生产车间，改造前拥有设备九大类别２２０台，其中主要生产设备７９台，据统计在这７９台主要生产设备中，１９７９年以前的老产品共５２台，占主要生产设备的６７％；１９８０年至１９８９年的产品１９台，占主要生产设备的２４％；而１９９０年以后的产品仅有７台，占主要生产设备的州。经计算，１９９３年末车间设备的新度系数仅为１６．３％，大多数设备的经济寿命已经过期，如再不进行改造或更新，就会严重的影响车间的正常生产和企业的经济效益。１９９３年８月厂部决定对部分铸造设备进行技术改造，专项投资１５０万元，重点是更新改造混砂机组和落砂机组。在保证生产正常进行的前提下，限１９９４年朋初完成全部改造施工任务。
Shaanxi Blower Factory Casting workshop is a single small batch production workshop, before the transformation has nine categories of equipment 220 units, of which 79 major production equipment, according to statistics in the 79 major production equipment, the total product of the old before 1979 52 units, accounting for 67% of the major production facilities; 19 units from 1980 to 1989, accounting for 24% of the major production facilities; and only 7 units after 1990, accounting for the major production facilities. After calculation, the new coefficient of workshop equipment at the end of 1993 was only 16.3%. Most of the equipment’s economic life has expired. If it is not reformed or renewed, it will seriously affect the workshop’s normal production and the economic benefits of the enterprise. In August 1993, the factory decided to carry out technological transformation on some foundry equipment with a special investment of 1.5 million yuan, focusing on the renovation and improvement of sand mixing units and falling sand units. Under the precondition of ensuring the normal production, the task of completely renovating the building was completed in 1994.