Upgraded and improved hot push elbow forming: A le

Upgraded and improved hot push elbow forming: A leap from traditional craftsmanship to intelligent manufacturing In the vast network of industrial pipeline systems, elbows, as core components that change the flow direction of media, directly affect the safety and service life of the entire pipeline. The hot push elbow forming process, as the mainstream production method for seamless elbows of carbon steel and alloy steel at present, has an irreplaceable position in the fields of petrochemical, natural gas transportation, and power construction due to its advantages such as high production efficiency, high material utilization rate, and good product continuity. However, with the continuous improvement of performance requirements for pipeline systems in modern industry, the technical bottlenecks faced by the traditional hot push process are becoming increasingly prominent. From insufficient temperature control accuracy to severe mold wear and high energy consumption, a series of problems are forcing the continuous upgrading and improvement of the hot push elbow forming technology. This article will systematically review the evolution of hot push-bending elbow forming technology, comprehensively analyzing the upgrading path and technological breakthroughs of this key pipe fitting manufacturing process from multiple dimensions, including the intelligence of heating systems, the precision of process parameters, the innovation of mold materials, energy conservation and environmental protection renovations, as well as the digitalization of quality control. I. Technical Bottlenecks of Traditional Hot Rolling Process

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