Professional drum, crane drum, steel structure drum, steel wire rope drum, hoist drum and broken line drum manufacturing company - Glorious Sun
Focus on the industry for more than 30 yearsOf wire rope drumOne of the leading brands
卷筒出现下述情况之一时应报废: ①裂纹; ②筒壁磨损量达原壁厚的20%; ③绳槽磨损量大于钢丝绳直径1/4且不能修复时。