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Ultra-large-diameter straight seam welded pipe forming unit
Ultra-large-diameter straight seam welded pipe forming unit
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机译：超大直径直缝焊管成型机组
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摘要
A super large diameter longitudinal welded pipe forming machine set comprises an edge hollow-bending device (1), a cage roll forming machine (2) and a plate-frame type forming machine (3), wherein the edge hollow-bending device (1) includes a machine seat (1.1), a pinch centring device (1.2) and a plurality of edge bending mechanisms (1.3); the cage roll forming machine (2) is an open cage roll forming machine combined by an outer roll device (2.1) and an inner roll (2.4); each equal rigid frame of the plate-frame type forming machine (3) includes a machine frame body (3.2), an upper horizontal roll mechanism (3.4), an upper horizontal roll adjusting mechanism (3.5), a sliding seat (3.10), a supporting plate (3.11), a hydraulic cylinder (3.12), a lower horizontal roll mechanism (3.6), a lower horizontal roll adjusting mechanism (3.7), a side vertical roll mechanism (3.8) and a side vertical roll adjusting mechanism (3.9).
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