Main production process flow chart
2013-06-07 18:41:02 3 举报Spiral welded pipe production process flow diagram
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supplementary
hydraulic pressure
solder and clinker cleaning
nozzle bunishing
inside surface inspection
outside surface inspection
stell pipe ampulation
smoothing
store up
nozzle machining
X-ray inspection
roll undolding
delivery
length and weight measuring
opposite weld soldering
material inspection
vertical snip
oil coating
marking
finished product inspection
molding
inside and outside welding
cutting and welding
manual ultrasonic inspection
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