The rotating platform weld joint is cracking and deforming? Guo Run's 30-ton rotating platform weld joint.
This mining heavy-duty equipment has lasted for three years without any damage!
I have been working in mechanical engineering maintenance and technology for over 20 years. I have seen many 30-ton excavators break down on mining sites and construction sites.
What annoys me the most? The cracking of the rotating platform weld joint! Either there are gas pores in the weld seam or stress concentration causes deformation. When the boom is exerting force, the entire vehicle shakes. The client finally got a big job, but the excavator kept stopping for welding and repair every three days or so. This not only delayed the construction schedule but also cost several tens of thousands of yuan in spare parts and labor expenses. The boss was so frustrated that he cursed loudly. To put it simply, the rotating platform weld joint is the "waist" of the entire machine. If the waist is we…