Auto Cold Drawing Machine

The Auto cold drawing machine is the main machine used in the production of seamless pipe & tube, coil tube and capillary tubes. Its function is to control the size of the pipes by reducing its outer diameter and inner wall. The machine is also useful for making the material stronger, especially for solid solution strengthened alloys. In addition, cold drawing can be used to make the material more ductile.

The process of cold drawing uses a mandrel to shape the material to the required diameter and wall thickness. It is a more effective way to reduce the size of the pipe than cold rolling, which can only achieve a limited degree of reduction. However, it is a more difficult and complex process to carry out, which requires a higher level of skill and experience. It is also more expensive than cold rolling, but it can produce a higher quality product.

There are a variety of machines that can be used in the cold drawing process, including a swaging machine and a straightening machine. These machines are designed to reshape the ends of the material, making it easier to connect with other parts of the system. They are also useful for smoothing out the material and removing imperfections in the surface.

In order to accurately predict energy-power parameters during wire drawing, it is necessary to have a knowledge of the metal’s physical properties. For this purpose, a mathematical model of the cold drawing process has been constructed. The model depends on such technological factors as the mechanical properties of the material being drawn, its tendency to harden during cold deformation, a single degree of deformation, the friction coefficient at the metal-wire contact point and the design parameters of the die [25].

The draw bench is a chain-type machine that is designed to streamline the drawing process for a wide range of metallic tubes and bars. It is available in HS and SA models, both of which feature an automatic hydraulic push pointer that can be used to press the material into the drawing die. HS models are suitable for drawing brass, mild steel and other alloy bars that require consideration in precision. The HS model has the additional option of a discharging arm, which can be used to transfer the material from the draw bench to designated collection racks.

Another important part of the cold drawing process is calamine stripping. This is a process that removes the calamine from the wire rod before it enters the drawing machine. This can help prevent the rod from clogging up the die and is a vital step in ensuring that the process runs smoothly. The result is a high-quality, strong and durable finished product. The tensile and yield strengths of the material will also increase with each cold drawing cycle. However, the results may vary depending on the type of alloy and annealing method used. For example, nickel carries a very high tensile strength in its unheated state but does not have the same properties in its heaviest sized rolled form.

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