15230713671
AOCHENG
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产品类型：elbow manufacturers
产品型号：219
产品厚度：sch40
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Seamless elbowSeamless elbow manufacturers
Seamless elbow: An elbow is a pipe fitting used at the bend of a pipe.In the whole pipe fittings used in the pipeline system, it accounts for a large proportion, about 80%.Usually, different forming processes are selected for elbow of different materials or wall thickness.Manufacturer commonly used seamless elbow forming process are hot push, stamping, extrusion and so on.
Hot push forming: hot push elbow forming process is the use of elbow pushing machine production, core die and heating device, so that the blank set on the mold under the push of the machine to move forward, in the movement is heated, expanded and bending forming process.Hot push bend deformation characteristics are based on volume before and after plastic deformation rule of metal materials determine the pipe diameter, pipe diameter bend diameter, through the core module and control the deformation of the process, make the inner arc compressed metal flow, the compensation to other parts of the thinned by hole diameter, wall thickness uniform Angle is obtained.Hot push elbow forming process has the characteristics of beautiful appearance, uniform wall thickness and continuous operation, and is suitable for mass production, so it has become the main forming method of carbon steel and alloy steel elbow, and is also used in the forming of some specifications of stainless steel elbow.
The heating methods of the forming process include medium frequency or high frequency induction heating (heating ring can be mul
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