锻压技术

ACP1000锻造主泵泵壳制造工艺及质量控制

英文标题：Forging process and quality control on primary pump casing for ACP1000

作者：张跃陈一伟赵立彬卫东李海涛

分类号：TG317

出版年,卷(期):页码：2020,45(9):41-44

摘要：

ACP1000核电厂主泵泵壳锻件材料为ASME SA508-3低合金钢，该锻件形状复杂、质量大，锻造、热处理条件差，因此对冶炼、浇注、锻造、热处理以及检验等关键制造工艺提出了较高的要求。为了顺利获得质量可靠、性能优良的主泵泵壳锻件，从冶炼和浇注、锻造和热处理、机加工以及检验和试验4个方面，对主泵泵壳锻件制造的主要关键工艺及质量控制要点进行了介绍，并据此顺利制造出主泵泵壳锻件。经过各项检验、试验可知，该锻件无论在外观尺寸，还是在理化性能及无损检验指标方面，均满足ASME相关标准以及技术规格书的要求，且部分结果存在一定裕度，证明了该方法的可靠性和正确性，为主泵泵壳锻件的制造提供了一条可行道路。

The material of primary pump casing forgings for ACP1000 nuclear power plant is ASME SA508-3 low alloy steel, and the forgings have a complex shape, heavy weight and poor forging and heat treatment conditions. Therefore, higher requirements are put forward for key manufacturing processes such as smelting, casting, forging, heat treatment and inspection. In order to obtain the primary pump casing forgings with reliable quality and excellent performance, the main key processes and quality control points of the primary pump casing forgings were introduced from smelting and casting, forging and heat treatment, machining as well as inspection and test, and the primary pump casing forgings were successfully manufactured. After various inspections and tests, it is known that the forgings meet the requirements of ASME related standards and technical specifications in terms of appearance dimension, physical and chemical performances and nondestructive inspection indexes, and there is a certain margin for some results, which proves the reliability and correctness of this method, and provides a feasible way for the manufacturing of primary pump casing forgings.

基金项目：

张跃（1981-）,男，硕士，高级工程师 E-mail：nsczhangyue@163.com 通讯作者：李海涛（1979-），男，硕士，高级工程师 E-mail：seawave008@163.com

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