In cold Extrusion method, a pipe with the same diameter as a finished product is pushed through a die and formed into its desired shape. Usually applied to stainless steel small to medium sizes elbows.
Here you can see that a cut pipe piece is pushed into the cold bending die. Proper lubrication is required to avoid excessive friction and protect surface finish of the final elbow. In next stage, the elbow is sent for heat treatment and machining before its offers for visual and dimension inspection.
UO method is used to manufacture medium size elbow, tee, and reducers. The plate is cut out into a specially designed shape, it is formed first into a U-shape using a die and then into an O-shape or into a tubular form using another die, that is why this method is known as UO method.
Once the fittings formed in tumbler shaped it is welded from inside and outside of the closing seam. A very large size elbows are made of two separate pieces of plate. But follow the same process. Here you can see the same. In next stage, the elbow is sent for heat treatment and machining before its offers for visual and dimension inspection.
In a Hot Forming Die Bending method a Pipe is heated to forming temperature & formed in the die with the specific shape, this process may be repeated as needed to obtain the required shape, size, and wall thickness. Usually applied to thick-wall items that cannot be bent on a mandrel die
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Author:
Ms. Sunny Peng
Phone/WhatsApp:
+8618333120628
September 13, 2022
September 13, 2022
September 09, 2022
September 09, 2022
December 31, 2020
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Author:
Ms. Sunny Peng
Phone/WhatsApp:
+8618333120628
September 13, 2022
September 13, 2022
September 09, 2022
September 09, 2022
December 31, 2020
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