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球墨铸铁工艺有什么需要注意的地方?

来源:http://www.kpp647.com添加时间:2019-09-12 15:22:04

球墨铸铁一种强度非常高的铸铁材料,其综合性能接近于钢,目前在一些受力复杂,强度、韧性、耐磨性要求较高的零件制造方面应用十分的广泛!济南万顺铸业秒速赛车玩法作为一家生产山东球墨铸铁井盖和铸铁护栏的厂家,对球墨铸铁工艺有着深刻的认识!下面我们就一起看看球墨铸铁工艺需要注意的一些事项!

Ductile iron is a kind of cast iron material with very high strength。 Its comprehensive properties are close to steel。 Nodular iron is widely used in the manufacture of parts with complex stress, high strength, toughness and wear resistance。 Jinan Wanshun Casting Co。, Ltd。 is a manufacturer of Shandong Ductile Iron Well Cover and Cast Iron Guardrail。 It has a profound understanding of the Ductile Iron process。 Next, let's take a look at some matters needing attention in the process of ductile iron。

(一)严格要求化学成分,对原铁液要求的碳硅含量比灰铸铁高,降低球墨铸铁中锰,磷,硫的含量。

(1) Strict chemical composition is required. The content of carbon and silicon required for molten iron is higher than that of gray cast iron. The content of manganese, phosphorus and sulfur in nodular cast iron is reduced.

(二)铁液出炉温度比灰铸铁更高,以补偿球化,孕育处理时铁液温度的损失。

(2) The tapping temperature of molten iron is higher than that of gray cast iron in order to compensate for the loss of molten iron temperature during spheroidization and inoculation.

(三)进行球化处理,即往铁液中添加球化剂。

山东球墨铸铁井盖

(3) Spheroidizing treatment, i。e。 adding spheroidizing agent to molten iron。

(四)加入孕育剂进行孕育处理。

(4) Adding inoculants for inoculation treatment.

(五)球墨铸铁流动性较差,收缩较大,因此需要较高的浇注温度及较大的浇注系统尺寸,合理应用冒口,冷铁,采用顺序凝固原则。

(5) Ductile iron has poor fluidity and large shrinkage, so higher pouring temperature and larger size of pouring system are needed. Risers and chills should be reasonably applied and sequential solidification principle should be adopted.

(六)进行热处理。

(6) Heat treatment.

以上就是山东球墨铸铁井盖厂家的小编给大家整理提供的精彩内容了,如果大家还有疑惑的地方,欢迎给我们留言评论,大家也可以到我们的网站咨询我们的客服人员:http://www.kpp647.com

Above is the wonderful content of Shandong Ductile Iron Well Cover Factory。 If you have any doubts, please leave us a comment。 You can also consult our customer service staff on our website: http://www。jnwszy。com。



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