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无缝异型钢管生产注意事项是什么

发布时间:2019-04-28人气:119

无缝异型钢管生产工艺流程包括这几道工序:管坯——切断——加热——穿孔——轧管——定(减)径——矫直——切头尾——检验——包装——入库。冷拔无缝异型钢管,在生产冷拨无缝管时需要注意哪些事项呢:

The production process of seamless profiled steel pipe includes these processes: billet cutting, heating, piercing, rolling, diameter setting, straightening, cutting head and tail, inspection, packaging and storage. What should we pay attention to in the production of cold-drawn seamless steel tubes? 第一:注意毛管壁的厚度是否均匀,如果发现毛管壁厚度不均匀一定要做表面抛光处理,另外毛管里面和外面是否平整有没有凹凸和缺陷的现象,一旦发现凹凸或者缺陷也要及时做出处理.

First, pay attention to whether the thickness of the capillary wall is uniform. If it is found that the thickness of the capillary wall is not uniform, surface polishing must be done. In addition, if the inside and outside of the capillary are flat, there are no concave and convex defects. Once concave and convex or defect are found, timely treatment should also be made.

第二:对毛管的复检工作,复检的主要工作是确保毛管外面没有裂纹和缺陷,检查毛管存在的这些问做出相应的排除措施,一定要清除毛管里面的麻面和折叠的现象.

Secondly, for the re-inspection of capillaries, the main work of re-inspection is to ensure that there are no cracks and defects outside the capillaries, to check the existence of these questions and make corresponding measures to eliminate them, and to eliminate the phenomenon of linen surface and folding inside the capillaries.

第三:是对工具的要求,一般冷拔使用是工具对表面的光洁度的要比较高,只有工具表面的光洁度高冷拔出来钢管的光洁度才会高,此外模具的尺寸精度和硬度要求也是比较高的.所以我们在制作中要选择一个好的磨具也很重要,千万不要出现磨具粘钢的现象.

Thirdly, the requirement for tools is that the surface of tools should be fairly smooth when cold drawing is used. Only the surface of tools with high cleanliness and the steel pipe with high cold drawing will have high cleanliness. In addition, the dimension accuracy and hardness requirements of dies are relatively high. Therefore, it is very important for us to choose a good abrasive tool in production, and do not appear the phenomenon of abrasive sticking to steel.

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