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影响HDPE双壁波纹管质量的因素有哪些?

作者: admin    来源:http://www.laobingguandao.com  时间:2019-08-15    人气:
  管材的质量是生产厂家和使用单位密切关注的焦点,如何把握管材的质量显得如此重要。双壁波纹管对PE管质量的影响因素很多:原材料的选择、温度、螺杆转速、压缩空气、牵引速度、牵引冷却等。
  The quality of pipe is the focus of attention of manufacturers and users. How to grasp the quality of pipe is so important. There are many factors affecting the quality of PE pipe: raw material selection, temperature, screw speed, compressed air, traction speed, traction cooling and so on.
  1. 牵引速度对PE管质量的影响:牵引速度直接影响产品壁厚。牵引速度应与挤出速度相匹配,通常比管材挤出速度高1%~10%。
  1. The influence of traction speed on PE pipe quality: traction speed directly affects the product wall thickness. The traction speed should be matched with the extrusion speed, usually 1%~10% higher than the extrusion speed of pipe.
  2、压缩空气对管道的质量:压缩空气对管道的形状和保持一定的圆度。压力一般是
  2. The quality of compressed air to pipeline: compressed air to pipeline shape and maintain a certain degree of roundness. Pressure is generally
  3、牵引冷却对管道质量的影响:这一点被认为是比较了解的,冷却不会使挤出机粘连,无法定稿设计。好采用风冷与水冷相结合,冷却水温度应保持在15度左右。
  3. The influence of traction cooling on pipeline quality: This is considered to be a comparative understanding. Cooling will not make the extruder adhere and can not finalize the design. It is better to combine air cooling with water cooling. The temperature of cooling water should be kept at about 15 degrees.
  4、原材料的选择是基本也是个因素:PE原材料规格和品牌众多,不计其数,同一品牌的原材料可以生产PE波纹管却不能生产PE管。这里还是需要厂家去做很多测试,选择适合自己生产的材料。
HDPE通用增强网状结构壁管
  4. The choice of raw materials is the most basic and the first factor: PE raw material specifications and brands are numerous, countless, the same brand of raw materials can produce PE bellows but not PE tubes. There is still a need for manufacturers to do a lot of testing, choose suitable materials for their own production.
  5. 温度对PE管质量的影响:温度是影响塑化和塑料管生产的主要因素。温度过低,塑化不良,温度过高,易分解。温度控制应根据原配方、挤出机及机头结构、螺杆转速等因素。硬质PVC管材加工时,加工温度与分解温度相互接近,生产中应严格控制各点的材料温度。同时要注意温度计的误差和测量点的位置。
  5. The influence of temperature on PE pipe quality: temperature is the main factor affecting plasticization and plastic pipe production. Low temperature, poor plasticization, high temperature, easy decomposition. Temperature control should be based on the original formula, extruder and die structure, screw speed and other factors. When processing rigid PVC pipes, the processing temperature and decomposition temperature are close to each other. The material temperature at each point should be strictly controlled in production. At the same time, we should pay attention to the error of thermometer and the position of measuring point.
  6、螺杆转速对管道质量的影响:螺杆转速的选择直接影响到输出和质量。随着转速和挤出量的增加,材料受到较大的剪切力,有利于材料的塑化。但材料在螺杆内停留时间较短,高摩擦热使管道内壁更加粗糙,管道强度降低。因此,螺杆转速控制应根据输出、产品外观和物理力学性能的总体平衡。
  6. The influence of screw speed on pipeline quality: the selection of screw speed directly affects the output and quality. With the increase of rotational speed and extrusion volume, the material is subjected to larger shear force, which is beneficial to the plasticization of the material. But the material stays in the screw for a short time. The high friction heat makes the inner wall of the pipeline more rough and the strength of the pipeline lower. Therefore, the screw speed control should be based on the overall balance of output, product appearance and physical and mechanical properties.

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