Круглое оборудование для производства труб

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Round Pipes Making Machine Welded ERW Pipe Mill Equipment

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1.Brief introduction of ERW tube mill & pipe mill 

• The ERW tube mill & pipe mill is a series of machines that builds longitudinal weld seam tubes and pipes with steel strips of certain width.


• It starts by uncoil and flatten the slitted steel coils into steel strips.


• The flattened steel strips will then be inserted into the forming machine and the roller tolling in the machine will roll the strip to round pipe shape.


• The rolled strips will then be sent into the weld box where the tube is welded by a high frequency solid state welder.


• The welded tubes will be formed to expected shape or size in a sizing machine. Finally the tubes will be cut to length and bundled.

2. Function

This pipe is used especially for Petroleum, Natural gas, City gas, Pipe network, Chemical industry, Electricity, Steel truss, Water and Gas pipeline; it is widely used for a variety of pressure pipelines. 

3.Process flow
Feed - uncoil - straighten - shear and buttweld - loop storage - form - HF welder - IF anneal - cool - size -cut - output - end bevel - hydraulic test - collect .

4. Machine parts in the working line

(1) Uncoiler

(2) Hoop cage or Horizontal Accumulator

(3) Main Machine:

• Forming Machine  


• Roller System of Forming 


• Seam Guide 


• High Frequency Induction Welding Machine


• Roller System for Moving


• Burr Removing Frame (Inside and outside Burr )


• Water Cooling System


• Sizing Machine


• Roller System of Leveling 


• Speed Testing Wheel


• Turkish Frame


• Auto Flying Saw Controlled by Computer


• Run out table


• Electric Control Equipmen


• High Frequency Welding Machine