Aluminum Pipe Drawing Technology

Aluminum Pipe Drawing Technology

In the aluminum tubing production progression, cold drawn aluminum tube may be the most common one, this process since it's birth has created a number of industrial value, very well suited for the production of metal tube, has been the majority of manufacturers. Today let's review the aluminum tube drawing process.



Here is the content list:

Definition Involving Aluminum Pipe Drawing Know-how

Classification Of Aluminum Pipe Drawing Technology

Advantages Regarding Aluminum Pipe Drawing Technological know-how



Definition Of Aluminum Water pipe Drawing Technology
Aluminum tube drawing technology is a type of plastic processing method, which uses the external force to act within the front end of the drawn metal, and then pull the metal blank out from the die hole inside the section of the blank, so as to have the corresponding shape and size in the aluminum tube. Because drawing is normally done in a wintry state, it is otherwise known as cold drawing or frosty drawing.

During drawing, the actual aluminum tube will deform and its original shape in addition to size will change. However, the volume of the aluminum tube is almost constant During metal plasticity.

More advanced than extrusion, rolling, forging as well as other processing processes, the drawing process is realized by employing a pull force within the front end of the processed metal, which is called drawing force. The ratio belonging to the drawing force to the cross-sectional section of the drawn metal at the die outlet is called the unit drawing force, or enter stress. The drawing stress needs to be less than the yield strength of the metal die, if your opportunity stress is too significant, more than the yield strength on the metal die, can lead to the aluminum tube show up thin neck, or sometimes break.





Classification Of Light weight aluminum Pipe Drawing Technology
Reliable drawing mainly includes bar, profile, wire drawing; Hollow drawing mainly includes tube plus shaped hollow drawing. Our common cold drawing aluminum tube belongs towards latter.

Among them, there are the following methods regarding tube drawing.

Sinking attracting
During drawing, no core head lies inside the billet, when i. e. no core go is drawn. The main purpose is always to reduce the diameter with the billet.

After drawing, the wall thickness from the pipe will generally change slightly, either increase or even decrease. After many occasions of sinking, the inner surface in the pipe is rough and cracks will occur when its serious. The sinking method is suitable for drawing small size aluminum tubes, special-shaped light weight aluminum tubes, as well as reducing and shaping little diameter aluminum tubes.

Extended core drawing
The aluminum tube billet is determined freely on the floor polished core rod, along with the core rod and the actual aluminum tube billet are pulled from the die hole together to obtain diameter reduction and wall membrane reduction. This method is known as long core rod painting. The length of the mandrel should be slightly greater than along the aluminum tube once drawing. After the initial drawing, the mandrel is intended to be removed by either the particular stripping or rolling method.

Long core rod drawing is characterized by the large processing rate, up to 63%, but due towards need to prepare a variety of diameters of long core rod and add to the tube stripping process, usually using this method is rarely used inside production, it is suitable for the production of thin-wall metal tube.

Fixed core travel drawing
The core fishing rod with core head is usually fixed during drawing, along with the pipe blank can reduce diameter or wall through die hole. The surface quality from the aluminum tube drawn along with fixed core head is preferable to that of sinking drawing aluminum tube.

This method is most popular in the production of aluminum tubes, but illustrating thin-wall aluminum tubes is definitely difficult.



Advantages Of Metal Pipe Drawing Technology
JUST ONE. The drawing aluminum tube is accurate larger and smooth in outside.

2. Drawing is appropriate choice for continuous high-speed manufacturing of long products with microscopic cross sections. The wall thickness on the drawn aluminum tube can be as thin as 0. 5m.

A FEW. Drawing production tools in addition to equipment are simple, easy to try and do maintenance. In a same apparatus we can produce lots of specifications and varieties of aluminum tubes.





In your immediate future, we will devote ourselves to the development of new drawing technology and new drawing theory regarding aluminum tubes, so spend money on save energy, material, boost product quality and output. If you want to cooperate with us, never hesitate. Our aluminum tubes won't ever disappoint you.
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