钻孔筛板是我厂跳汰机、分级筛主要备件之一,每年都要消耗80—100平方米。以前,我们用划线打眼老办法加工筛板,其工作量大,一块筛板从划线到冲眼,两个人需3—4天的时间;在用冲子冲眼时,由于两人不协调,经常出现眼子打歪,粉线被震掉,打出的冲眼小,以及锤 Drilling sieve is my factory jig, grading sieve one of the major spare parts, each year to consume 80-100 square meters. In the past, we crossed the old method of drilling the frit, which required a large amount of work. A frit was crossed from the front to the back, and two people needed 3-4 days. When using the punch to punch the eyes, Coordination, often appear playing crooked eyes, pink line was shocked, hit the red eye small, and the hammer