冲压弯头加工工艺具有的工艺，在生产中按照的工艺技术进行生产冲压弯头只能做小口径的，如果管子规格太大，很难买到成品冲压弯头，只能使用焊接弯头。由于焊接弯头焊缝多，所有使用性能不如冲压弯头，容易被腐蚀漏。
冲压弯头种类主要类型
1．变直径冲压弯头，指管端或管上某一部分直径减小；
2．变壁厚的冲压弯头，指沿管子长度方向使壁厚发生变化；
3．改变断面的冲压弯头，根据要求，将圆形断面变为方形、椭圆形、多边形等等；
4．弯曲冲压弯头，我们接触比较多的，就是将直管变为不同曲率半径的弯管，如弯头、弯管等等；
5．带凸缘和圆缘的冲压弯头，前者指管子端部向内侧或外侧凸，后者指在管的圆周方向形成隆起的或凹槽的冲压弯头；
6．带卷边和封底类的冲压弯头，增加管端总强度向管的外侧或内侧卷边或将冲压弯头端部封住的冲压弯头；
7．扩径冲压弯头，按照要求将冲压弯头端部或某部位扩大形成各种形状的冲压弯头。
仅从设计应力上讲，冲压弯头的耐压性能佳。但由于各方面的因素，地板采暖管的的实际壁厚通常为而在这个壁厚下各类管材均能满足地板采暖的要求，国标冲压弯头管耐压优势体现不出来；导热性：用于地板采暖的管材需要有好的导热性、低温耐热冲击性的耐低温冲击性能比较好。
、柔韧性好、耐热，其性能高于其它塑料管材。安装简便导热性好适用于地板采暖系统，可回收性。冲压弯头管材有其优异的抗冲击强度，可热熔焊接和机械连接，优于PB—PP-R的热传导性。长期耐压性能，仅从设计应力上讲，国标冲压弯头的耐压性能佳。但由于各方面的因素，地板采暖管的的实际壁厚通常为2mm。而在这个壁厚下各类管材均能满足地板采暖的要求，国标冲压弯头管耐压优势体现不出来；
Stamping has some elbow processing technology, according to some in production process technology for production stamping elbow can only do small-caliber, if the pipe size it very difficult to get finished on quality, can only use the weld bend head. As the welding seam bend more, all the better performance on quality, easy to be corroded drain.
The main categories of types of punching elbow
Variable diameter on quality, that pipe end or pipe diameter of a part of the decrease;
Variable wall thickness on quality, refers to the direction along the tube length to thickness changes;
Change the section of the press elbow, upon request, will be circular section into a square, oval, polygon, etc.;
Bent on quality, we have come more and more, is to become a straight pipe bends of different radius of curvature, such as elbows, bends, etc.;
With flange and the circular edge on quality, the former refers to the inner tube or outer end of scoliosis, which refers to the direction of the circumference of the pipe form a bulge or recess of the pressing elbow;
With crimping and back classes on quality, increasing the total strength of pipe end to pipe on the outside or the inside of crimping or punching elbow elbow end to seal the press;
Expanding on quality, in accordance with the request that the Department of punching elbow or a part of the expansion end of the formation of various forms of punching elbow.
Speaking only from the design stress, the pressure pressing elbow best performance. However, various factors, the actual floor heating pipe wall thickness is usually Erzai this Bihou Xia Ge Lei floor heating pipe can meet the requirements of GB stamping pressure elbow pipe not shown superiority; thermal Xing: Using in floor heating pipe need good thermal conductivity, low thermal shock resistance of the low temperature impact performance is better.
Temperature pressure, good flexibility, heat resistance, its performance than other plastic pipes. Installation is simple and good thermal conductivity suitable for floor heating system, recyclability. Press elbow pipe has its excellent impact strength, melt welding and mechanical connections can be better than the PB-PP-R thermal conductivity. Long-term pressure resistance, speaking only from the design stress, GB stamping pressure elbow best performance. However, various factors, the actual floor heating pipe wall thickness of typically 2mm. Wall thickness in the various types of pipes under the floor heating system can meet the requirements of national standard punching elbow pipe pressure advantage not shown;
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