Manufacturing process of diaphragm for pneumatic control valve of chemical capacity system of nuclear power plant
The invention belongs to the technical field of rubber composite material forming, and particularly relates to a manufacturing process of a diaphragm for a pneumatic control valve of a nuclear power plant chemical capacity system. Comprising the following steps: carrying out rubberizing pretreatment...
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| creator | CUI JIANXIN HUANG PING SU YOUXUE SHEN YONGBO LI HONGBO LI NA SHU ZHIFENG SUN CHAOCHAO FENG HONGFU |
| description | The invention belongs to the technical field of rubber composite material forming, and particularly relates to a manufacturing process of a diaphragm for a pneumatic control valve of a nuclear power plant chemical capacity system. Comprising the following steps: carrying out rubberizing pretreatment on the nylon cord fabric on a rubberizing machine; shearing, surrounding and rolling the nylon cord fabric after rubber coating at the lap joint; loading the lapped nylon cord fabric into a pre-forming mold, and pre-pressing and shaping; heating the nitrile rubber compound to obtain a rubber sheet meeting the specification requirement, loading an inner rubber layer into a lower mold of a vulcanization mold, and pressing to remove air between the inner rubber layer and the lower mold; loading a vulcanizing mold, and pushing the vulcanizing mold into a working station of a parallel-shift vulcanizing machine; pressurizing, releasing pressure, repeating for several times, opening the mold for inspection, and closing t |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Manufacturing process of diaphragm for pneumatic control valve of chemical capacity system of nuclear power plant |
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