NEWS

冷镦工艺由于具有高的生产率，良好的产品质量，并大大减少材料消耗，降低生产成本，改善劳动条件，因此愈来愈广泛地应用在机械制造特别是标准紧固件的生产中，其中应用多工位冷镦机生产的最有代表性的产品，是螺栓、螺钉和螺母。　　1、冷镦是在常温条件下进行的。冷镦可使金属零件的机械性能得到改善。下表是冷镦螺栓和切削加工螺栓的机械强度对比：　　从表中可以看出，无论是何种规格的螺栓，冷镦加工后的抗拉强度比切削加工的提高约10%左右，有的甚至可提高20%。这是因为冷镦加工产品的金属纤维不会被切断，金属内部结构被压实，以及伴随加工硬化现象的存在，所以金属机械性能得到了改善。 Read More

Recently, the Shanghai Heavy Industry Casting and Forging Company under the Nuclear Power Group successfully completed the forging and forming tasks of the first batch of two conical forgings for the "Hualong One" batch project, marking a new step forward in the group's nuclear power equipment manuf Read More

When enterprises find distinctive "adaptions" in their differentiated development, these "adaptions" will accumulate to form a favorable trend in industrial development and forge the competitive edge of "Made in China". Today, when entering a factory, it is common to see such a scene: during grindin Read More