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            中文版 English
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            Research and development
            Products
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            Research and development
             
            Independent intellectual property core technology - reverse balanced flange
             
            Detailed information:

             Details:

            R & D background


            (1) the original "L" shaped forging flange


            Advantages:
                The length less welds, bolts, and good fatigue resistance, stiffness flange.

            Disadvantages:
                The cost is too high, manufacturing high energy consumption, end milling, large amount of material, the screw hole deviation is not easy to deal with. A large number rely on imports, there are still loose bolts issues, long-term maintenance.
            (2) research objectives: reducing flange production of socially necessary labor time, reduce the energy consumption of the flange production.

            (B) a new flange direct tension Tunneling Method

             Screw more than 50% longer than the old flange can store more elastic strain energy locking;
             Without torque screw does not exist within the a loose internal factors - rebound torque;
             Without torque, not measured torque coefficient, not oiled, thread friction coefficient is doubled.
            Conclusion: no the thread loosening of internal

            (13) The comparative technical and economic indicators:

            (A) a new flange core values​​: maintenance-free, to reduce the inverted tower hidden, long-term maintenance costs savings for the Party. ('s First run for three years and found no loose bolts);
            (B) cost less than the old flange;
            (C) the amount of steel Ontario;
            (D) manufacturing process simplification, energy conservation.

             
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