2011-1-11 17:13:06PRINT
The large hydropower main shafts were manufactured successfully in Erzhong
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At the beginning of November 2010, two large hydropower main shafts were manufactured successfully in China National Erzhong Group Co. The weight of steel ingot of main shaft is 380t. The weight of main shaft is 200t. The shaft is a hollow and thick forging with flange, whose structure is complex, so it is difficult to manufacture. Successful manufacture of shafts marks that technology of manufacturing large hydropower forgings of Erzhong has taken a giant step forward.
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