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The high-frequency welded pipe unit will be damaged during normal use, so you must take good care of it during use, otherwise the machine will be particularly difficult to use and the problem of jamming will occur. Check whether all parts of the machine can work normally and whether there is any fai
Sand-hole pipes are also a kind of quality accident caused by weld leakage, but their gaps are very small, some of them cannot be directly observed by human eyes, and must be found through testing equipment, so we call this kind of pipes sand-hole pipes. The main reasons for sand hole pipes are as f
(1) The hole type does not matchThere are two-roller, three-roller and four-roller weld seam extrusion structures. As long as the combined hole shapes do not match, it is easy to cause scratches on the surface of the tube blank, especially the two-roller structure.There are many factors that cause t
The hydraulic testing machine is suitable for various pressure-bearing products to perform performance tests such as compressive strength testing, burst testing, and sealing performance testing. The hydraulic testing machine has a wide range of applications, such as rubber hoses, hoses, spiral welde
