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贵州铸造有限公司告诉你铸铁管的螺纹安装方法;

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贵州铸造有限公司告诉你铸铁管的螺纹安装方法;

发布日期:2018-02-10 作者:贵州铸造有限公司 点击:

贵州铸造有限公司告诉你铸铁管的螺纹安装方法;

贵州铸造有限公司

Guizhou Foundry Co., Ltd. tells you how to install the thread of the cast iron pipe;


贵阳铸铁管在切割以后,为了方便连接和使用,需要在贵州铸铁管的一段套上螺纹,一般选用的链接用的管道螺纹是英制的55°的管螺纹。安装的时候使用的各种连接的零件都是由厂家根据专业的标准,制造的与螺纹配套使用的零件。一般情况下会将管端加工成圆锥形的螺纹,可以增强防水效果。

After the Guiyang cast iron pipe is cut, for the convenience of connection and use, we need to thread on a section of Guizhou cast iron pipe. The pipe thread commonly used for connection is British 55 degree pipe thread. The parts of all kinds of connections used at the time of installation are made by the manufacturer in accordance with the professional standards. In general, the tube end will be processed into a conical thread, which can enhance the waterproof effect.



贵州铸造有限公司在安装螺纹的时候,首先要保证螺纹是端正的,没有偏扣、乱扣的现象,还要保证螺纹是光滑的没有毛刺。如果有缺口和断口,那么长度要求不超过螺纹全场的十分之一,否则就会影响使用。而且,选择的螺纹需要有一定的锥度,松紧的程度要适中,套好之后可以进行试拧,一般以空手拧2-3圈为宜。如果太松了就会影响密封的效果,太紧了就会使阀门胀裂。所以在安装螺纹的时候应该注意松紧度。螺纹接好后,最好在外面露出来两三扣备用。

Guizhou Foundry Co., Ltd., when installing thread, first ensure that the thread is correct, there is no phenomenon of partial buckle and buckle. It is also necessary to ensure that the thread is smooth without burrs. If there is a gap and a fracture, the length should not exceed 1/10 of the whole thread of the thread, otherwise it will affect the use. Moreover, the selected thread needs a certain degree of taper, the degree of tightness should be moderate, and the test can be made after the set is set well. It is suitable for 2-3 circles to be unscrewed by empty hands. If too loose will affect the sealing effect, too tight will make the expansion valve. Therefore, when installing the thread, we should pay attention to the tightness. After the thread is connected, it is best to reveal two or three buckles out of the outside.


缺点:用于缺陷修复,小缺陷修复时(气孔、砂眼),因冲击过大,熔池边线有痕迹。焊补钢件有硬点。由于热影响,焊补有色铸件或薄壁件时,易产生热变形。操作技术要求较高。

Disadvantages: for defect repair, repair of small defects (pores, trachoma), due to the impact of large pool edge trace. Welded steel parts have hard points.  Because of the heat effect, it is easy to produce hot deformation when welding coloured castings or thin-walled parts. The requirements of operation technology are higher.


冷焊机:是21世纪初新诞生的修复技术,因焊补过程中工件产生热量极小,被成为冷焊机。经过几年的发展,焊机应用方向和技术都得到了很大的发展,已经在修复市场占有很大的份额。按照修补产品分类有:贴片机和电火花堆焊修复机。

Cold welding machine: it is a newly born repair technology in the early twenty-first Century. Because of the small heat generated by the workpiece during the welding repair, it has become a cold welding machine. After several years of development, the application direction and technology of welding machine have been greatly developed, and it has a great share in the repair market. According to the repair product classification: the patch machine and the electric spark surfacing repair machine.


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