Method for confirming accurate zero-allowance blanking length of straight pipe to obtain bent pipes
The invention discloses a method for confirming an accurate zero-allowance blanking length of a straight pipe to obtain bent pipes. The method comprises the steps of setting two bending angles and setting parameters related to experimental measurement separately; building a mathematical model; and c...
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| creator | JIANG YUNRUI LIU WEI KANG GUO LI XIANGJUN LI JUN MENG XIUWEN GONG LIYAN ZHU JINTONG ZHAO GANG SHAO GUOQING WANG LIANG ZHAO YINNI SUN ZHILIANG LI CHONGJIAN TANG KAI LIU HAIREN |
| description | The invention discloses a method for confirming an accurate zero-allowance blanking length of a straight pipe to obtain bent pipes. The method comprises the steps of setting two bending angles and setting parameters related to experimental measurement separately; building a mathematical model; and changing original pipe bending allowance blanking calculation into accurate zero-allowance blanking calculation with the assistance of bending springback angle calculation according to the number of bent sections of the pipe in a design drawing, the forming angle of each section of bent pipe and the related model, thereby achieving accurate bending processing of the pipe. The problem that pipe bending processing of a domestic pipe fittings processing enterprise at present is geometrically approximate to an allowance blanking method can be fundamentally solved; and accurate zero-allowance blanking calculation of pipe bending processing is achieved. Meanwhile, digital measurement equipment is directly connected with i |
| format | Patent |
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The method comprises the steps of setting two bending angles and setting parameters related to experimental measurement separately; building a mathematical model; and changing original pipe bending allowance blanking calculation into accurate zero-allowance blanking calculation with the assistance of bending springback angle calculation according to the number of bent sections of the pipe in a design drawing, the forming angle of each section of bent pipe and the related model, thereby achieving accurate bending processing of the pipe. The problem that pipe bending processing of a domestic pipe fittings processing enterprise at present is geometrically approximate to an allowance blanking method can be fundamentally solved; and accurate zero-allowance blanking calculation of pipe bending processing is achieved. 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The method comprises the steps of setting two bending angles and setting parameters related to experimental measurement separately; building a mathematical model; and changing original pipe bending allowance blanking calculation into accurate zero-allowance blanking calculation with the assistance of bending springback angle calculation according to the number of bent sections of the pipe in a design drawing, the forming angle of each section of bent pipe and the related model, thereby achieving accurate bending processing of the pipe. The problem that pipe bending processing of a domestic pipe fittings processing enterprise at present is geometrically approximate to an allowance blanking method can be fundamentally solved; and accurate zero-allowance blanking calculation of pipe bending processing is achieved. Meanwhile, digital measurement equipment is directly connected with i</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Method for confirming accurate zero-allowance blanking length of straight pipe to obtain bent pipes |
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