The ERW (Electric Resistance Welding) pipe mill is a series of machines that builds longitudinal weld seam pipe with steel strips of certain width.
It starts by uncoil and flatten the slit steel coils into steel strips. The flattened steel strips will be inserted into the forming machine and the rollers in the machine will bend the strip to a round pipe shape. The round pipe will then be sent into the weld box where the tube is welded by a high frequency or solid state welder. The welded pipe will be formed to expected shape (round/ square/ rectangle etc) or size in a sizing machine. Finally the pipe will be cut to length and bundled.
Process Flow
SLIT COIL -- Uncoiler -- Shearing and butter welder -- Storage/ accumulator -- Forming -- Welding-- Cooling -- Sizing -- Cutting saw -- Run out table -- Finishing -- Pipe collecting and packaging
This machine is including:
(1) Un-coiler (Hydraulic expand)
(2) Snubber Roller & Leveler
(3) Shear and Butt Welder
(4) Horizontal Accumulator
(5) Forming, Welding and Sizing mill
A) Feeding & Leveling device
B) Forming machine
C) Guiding, extruding, Welding & scraping device
D) One set of Cooling water tank
E) Sizing mill
F) Main Driving System
(6) Computer Cutting Saw (Circular Saw Cutting)
(7) Run out table
(8) Solid State HF Electric
(9) Hydraulic System
(10) Electrical System
(11) Pneumatic System
This machine is including:
(1) Un-coiler (Hydraulic expand)
(2) Shear and Butt Welder
(3) Horizontal Accumulator
(4) Forming, Welding and Sizing mill
A) Feeding & Leveling device
B) Forming machine
C) Guiding, extruding, Welding & scraping device
D) One set of Cooling water tank
E) Sizing mill
F) Main Driving System
(5) Computer Cutting Saw (Circular Saw Cutting)
(6) Run out table
(7) Solid State HF Electric
(8) Hydraulic System
(9) Electrical System
(10) Pneumatic System
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