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冷拔钢管直线度简易计算方法

2018-12-13 14:36:53 常州市星火铝艺制品有限公司 阅读

冷拔钢管直线度或者说弯曲度的计算一般来讲有两种:冷拔钢管无缝钢管或直缝钢管局部弯曲度:即用长为一米的直尺靠量在钢管的最大弯曲处,测其弦高(mm),即为局部弯曲度数值,其单位为mm/m,表示方法如2.5mm/m。此种方法也适用于管端部弯曲度。

Generally speaking, there are two ways to calculate the straightness or bending degree of cold-drawn steel pipes: cold-drawn steel pipes, seamless steel pipes or straight seam steel pipes. That is, to measure the chord height (m m) at the maximum bending point of steel pipes by measuring the length of one meter, i.e. the local bending degree in M m/m, which is expressed as 2.5m m/m. This method is also applicable to the bending of the end of the pipe. 二、冷拔钢管全长总弯曲度:用一根细绳,从管的两端拉紧,测量冷拔钢管弯曲处最大弦高(mm),然后换算成长度(以米计)的百分数,即为钢管长度方向的全长弯曲度。

2. Total Bending of Cold Drawn Steel Pipe: Measure the Maximum Chord Height (mm) at the bending point of the steel pipe with a thin rope tensioned from both ends of the pipe, and then convert the percentage of the growth (in meters), that is, the full length bending of the steel pipe in the length direction.


例如:冷拔钢管长度为10m,测得最大弦高30mm,则该管全长弯曲度应为:

For example, if the length of cold-drawn steel tube is 10m and the maximum chord height is 30mm, the bending degree of the whole length of the tube should be as follows:


0.03÷10m×100%=0.3%

0.03_10m x 100%=0.3%



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