Manufacturing technology of integrated oil storage cylinder and extension mould
A production process and oil storage tank technology, applied in the field of integrated oil storage tank production process and extension mold, to achieve high processing efficiency, reduce annealing process, and high processing quality
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[0027] The present invention will be further described below in conjunction with the drawings and embodiments.
[0028] One-piece oil storage tank manufacturing process, the process is carried out according to the following steps: cutting strips → blanking and flushing → primary drawing → flat mouth → annealing → pickling-phosphating-saponification → secondary drawing → tertiary drawing → flat mouth → outside grinding Round→close→flat length→chamfering, deburring→car ring groove; blanking and punching cup adopts punching cup mold and press; primary drawing, secondary drawing, and tertiary drawing use corresponding mold and hydraulic press; annealing furnace is used , The temperature is 700-780℃, and the time is 20-40min; the closing mold and closing machine are used.
[0029] The extensibility coefficient m1 of blanking punching bowl is 0.52, and the extensibility coefficient m2 of one-time extension is 0.78. The two-step extension and the third extension are both two-step extensi...
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