过去,修补缸体一般采用如下方法:1.沿裂纹中心线钻孔、攻螺纹;用紫铜杆套丝;栽丝、铆紧;再逐个钻孔、套扣……,乃至在裂纹全长上形成一条紫铜塞子,达到堵漏的目的。但用这一方法,在较长的裂纹上使用就不合适,因为铆上一排螺钉,只是把裂纹往两边挤开,不产生相互拉的作用,降低了缸体 In the past, the repair cylinder generally used the following methods: 1. Bored along the centerline of the crack, tapping; with copper pole threading silk; planting silk, riveting; and then one by one drilling, buckle ... ..., and even in the entire crack length The formation of a copper plug, plugging purpose. However, this method, the use of longer cracks is not appropriate, because riveting a row of screws, just squeeze the cracks on both sides, does not produce the role of pulling each other, reducing the cylinder