Spiral Submerged Arc Welded SSAW pipe making machine:
This sub merged arc welding spiral pipe mill line, is used to uncoil the specified size steel coil, then roll into open tube, welding by submerged arc welder, cut by plasma cutting machine into fixed length, then processed and tested in finishing area.The steel plate material is carbon steel/low carbon steel.
Finished pipes standard: API-5L, GB9711-2011, SY/T5037-2000, etc.Advantages and Features:
1. Flexible: Different width steel plate can be arbitrary formed into different big diameter pipe.
2. Wide application industrial field: the pipes can be used in fields of petroleum pipeline, low pressure fluid conveying pipes, city gas pipeline, electricity heating pipe network, city construction pile pipe, pipe of industrial structure, etc.
3. High quality welding & Perfect testing equipment
4. Advanced electric system, ensure accurate forming, easy maintenance, good use reliability: adopts Siemens PLC automatic control system, the Eurotherm DC speed regulating control system, Siemens digital display system, etc.
COMPREHENSIVE WELDED PIPE TECHNOLOGY
2-stage offline production process
Unlike the 1-stage online process, where the pre-formed spiral pipe is directly finish- welded, the 2-stage process separates forming and finish-welding.
Here, we begin with hot-rolled coils as the starting material. Stage one features a 3-roll bending system that forms the input stock into spiral pipes, followed by continuous, high-speed tack-welding. Then the forming station produces an endless pipe strand which a cut-off machine cuts to conventional pipe lengths. Next in line, a conveyor system transports the tacked pipes to the submerged-arc welding stand. There, they are finish-welded both internally and externally. This second stage applies SA-welding technology. What you gain are higher productivity and better quality that meets the requirements of modern, robust pipeline tubes.
PERFECT ARC WELDING TECHNOLOGY
PERFECT arc from SMS group is an innovative leap forward in the production of spirally welded pipes. This new, fully digital process offers you: huge energy saving potential, perfect weld seam quality, and improved pipe quality.
Compared to conventional welding methods, PERFECT arc is 50 percent faster in tack-welding and 20 percent faster in submerged- arc welding. As a direct result, it increases welded pipe production
in a spiral or long-seam pipe plant by more than 20 percent. Just as impressive are the substantial energy savings you can achieve. These are possible with precise power supply control using the digital current source. That cuts your energy costs by more than 30 percent compared to conventional welding.
INTEGRATION OF THE LATEST TECHNOLOGIES AND AUTOMATION PROCESSES
There is a huge demand for the automation of complete pipe and tube finishing lines and integrated individual machines. That's another SMS group specialty.
So, whatever you want, from individual sensors, through drive and control technology, right up to planning and implementation of computer-aided information and control systems: SMS group supplies complete solutions.
Integration of the latest technologies and automation processes image
You name it - from project planning to system implementation, we devise customized solutions and apply cutting-edge automation technology to meet your specific requirements. Included here are:
Manufacturing execution systems (MES)
Radio frequency identification (RFID) tool identification and tracking system
Pipe and material tracking
Wireless network (WLAN) design for complete industrial plant
Mobile panels for remote machine control
Quality assurance system (QAS)
Spiral Submerged Arc Welded pipe making process:
Spiral Submerged Arc Welded pipe test:
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
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