15230713671
AOCHENG
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产品类型：Seamless elbow
产品型号：114
产品厚度：sch40
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114Seamless elbow
Seamless elbow manufacturers according to customer requirements to produce customer satisfaction recognized seamless elbow, seamless size head, seamless tee, pipe cap, seamless steel pipe fittings. Those who order the above pipe fitting products in our company will provide customers with satisfactory quality products at a low price. The production process of seamless elbow is as follows:
Forging and pressing method: the end or part of the pipe is extended by a type forging machine to reduce the outside diameter. The commonly used type forging machine is rotary type, connecting rod type and roller type.
Rolling method: Generally do not need a mandrel, suitable for thick wall tube inner round edge. The core is placed in the tube, and the roller is used to push and press around the tube for round edge processing.
Stamping: The end of the tube is expanded to the required size and shape by a tapered core on a punch press.
Bending forming method: there are three methods commonly used, one method is called extension method, the other method is called stamping method, the third roller method, there are 3-4 rollers, two fixed rollers, one adjustment roller, adjust the fixed roller distance, the finished pipe fitting is bent.
沧州奥广机械设备有限公司
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