Hebei Weitong Hydraulic Technology Co., Ltd

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What are the correct ways to use sae flange elbows? Let's have a look!

发布时间：

2022-04-19

1.纯弯曲时，在外力距离m的作用下，中性层的外臂壁被拉应力1拉薄，内侧被压应力。N1和N2的合力改变了管子的横截面。基于此一个因素是RX和SX是肘关节质量下降的主要原因。因此明确规定了各种压力水平下的RX值和外减薄量，以控制RX还有SX，这样才能保证sae法兰弯管质量。 2.如前条所述，弯曲时中性轴的位置与弯曲法不同，上弯(压弯)弯曲时中性轴距离外壁约1/3。(向后弯曲)工作时，中性轴位于离外壁2/3处。因此，采用旋转弯曲法弯曲薄壁管是有益的。 3.sae法兰弯管的精度也是影响弯管质量的因素之一。我们在制造sae法兰弯管时，除了要求规格尺寸控制在一定的公差范围内之外，还要求用户在使用时根据sae法兰弯管进行选择相应地sae法兰弯管。 4.sae法兰弯管本身的弯曲性和表面腐蚀也可能影响弯管的质量。在现场施工过程中，操作人员还需要了解被加工管道的材质、加工性能和表面腐蚀情况生产判断。 5.r现在可用。(弯曲半径/管外径)，可作为sae法兰弯管用户选择管径与壁厚关系的参考。反映相对弯曲半径和相对壁厚对弯管质量的影响，根据管道加工验收规范：冷成型钢管中低压为4D，高压为5D。所以我们的弯管机轮胎设计是R=4D(特殊情况另定)，所以就我厂生产的sae法兰弯管来说，主要选择是相位壁厚SX是主要的，中部是普通芯棒区，下部是特殊芯棒区。由于特殊芯轴的设计制造难度很大，操作也不是很方便。 6.成型过程中润滑对产品质量的影响；在传统的sae法兰弯管生产过程中，企业会采取许多措施来获得更好的弯管表面质量，包括使用弯管器，使用更高强度的模具，或者使用润滑剂产品等。

1. In pure bending, the outer arm wall of neutral layer is stretched by tensile stress under the action of external force distance m. 1. The inner side of neutral layer is stretched by compressive stress The combined force of N1 and N2 changes the cross section of the pipe Based on this one factor, RX and SX are the main reasons for the decline of elbow joint quality Therefore, the RX value and external thinning amount under various pressure levels are clearly defined to control RX and SX, so as to ensure the quality of sae flange elbow

2. The position of neutral axis in bending is different from that in bending method as described in the previous article. When bending up (pressing), the neutral axis is about 1/3 away from the outer wall (Bend backward) The neutral axis is located 2/3 away from the outer wall when working Therefore, it is beneficial to use rotary bending method to bend thin-walled tubes

3. The precision of sae flange elbow is also one of the factors affecting the elbow quality When we manufacture sae flange elbows, we not only require the specifications and dimensions to be controlled within a certain tolerance range, but also require users to select corresponding sae flange elbows according to sae flange elbows when using them

4. The curvature and surface corrosion of sae flange elbow may also affect the quality of elbow In the process of on-site construction, operators also need to know the material, processing performance and surface corrosion of the processed pipeline, and make production judgments

5. R is now available (Bending radius/pipe outside diameter) can be used as a reference for users to select the relationship between pipe diameter and wall thickness of sae flange elbow Reflect the influence of relative bending radius and relative wall thickness on elbow quality. According to the acceptance code of pipeline processing, the low pressure of cold-formed steel pipe is 4D and the high pressure is 5D Therefore, the tire design of our pipe bender is R=4D (special circumstances will be determined separately). Therefore, the main choice for sae flange bender produced by our factory is phase wall thickness SX is the main middle part is ordinary mandrel area and the lower part is special mandrel area Because the design and manufacture of the special mandrel is very difficult and the operation is not very convenient

6. The influence of lubrication on product quality in molding process;

In the traditional production process of sae flanged elbows, enterprises will take many measures to obtain better surface quality of elbows, including using pipe benders, using higher strength dies or using lubricant products, etc.

Weitong Hydraulic Technology

Manager Wang：+86 15732852253

Manager Zhang：+86 18812182253

Manager Zhao：+86 15383181472

Company telephone：+1 213 7265411

E-mail：saeflange007@gmail.com

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