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Technical characteristics

Dragging belongs to the group of technological processes of the second processing of metal, and is used mainly in the metallurgical industry. It is a process of plastic deformation of continuous material of volumetric cross-section - a rod, wire coil, when the input metal passes through the deforming tool - dies, resulting in a decrease in cross-section and an increase in length. Hot drawing occurs in the following sequence:

1. Sharpening the end of the bar/wire;
2. Pushing the material into the receiving part of the die;
3. Grasping the end of the billet coming out of the die by the pincer;
4. Winding the drawn profile (wire), or pulling through the workpiece (rod).

When drawing, the scheme of the stress-strain state with a single tensile - axial - tension is in force, due to what technological capabilities of methods are limited by the plasticity of the metal. In particular, for one pass the degree of deformation cannot exceed 50 ... 60%, otherwise it is possible breakage of the workpiece. If necessary to implement a more intense forming, multiple passes are used, and after each pass the low-plastic metals are annealed.

Application

Production of bars or wires of any cross-section. This is advantageous, for example in series production, when a reduction in the assortment of initial profiles is achieved. Supplier Avec Global offers to buy rolled metal products at an affordable price from the manufacturer in a wide assortment. Provide delivery anywhere in the continent. The price is optimal.

Equipment

For the implementation of hot drawing, drawing mills and drawing drums are used. The first are used for the plastic deformation of rolled products of the final dimensions (bars or wheels), the second - for the plastic processing of wire. Equipment for hot drawing is distinguished by the following parameters:

1. By the limiting dimensions of the cross-section of rolled products;
2. By the number of simultaneously processed billets;
3. By the number of drawing passes, which, depending on the plasticity of the metal, can reach 3 ... 4;
4. By power of a drive;
5. By degree of automation of control.

Advantages of the method

The technology provides:

• Significant increase in the accuracy of the final profile;
• Possibility of intense forming due to increase of number of passes;
• Reduction of costs for purchasing an increased assortment of rolled sections.
• Reduced likelihood of cracking

Buy. Supplier, price.

Are you interested in the hot drawing of metals? Supplier Evek GmbH offers a wide range of hot-drawn steel products at an affordable price from the manufacturer. Supplier Evek GmbH provides delivery anywhere in the continent. The price is optimal.