The aluminum profile extrusion press machine plant line can not only produce copper and alloy copper pipe fittings and rods, but also produce and process cables by using the mechanical equipment. According to the drive train method, the aluminum profile extrusion press machine plant lines can be classified to obtain gear drive aluminum profile extrusion press machine plant lines and hydraulic drive system aluminum profile extrusion press machine plant lines.
The former one is very easy to cause impact when the load changes, so the adjustment of extrusion forming rate fails to reflect, so as to avoid that the load working capacity is small and cannot be replaced by import, so it has been rarely used now. The latter one is widely used for extrusion molding with all kinds of pipes, rods, types and cables because of its stable operation, good adaptability to load working capacity and easy adjustment of extrusion molding rate.
In industrial production, there are many common aluminum profile extrusion press machine plant lines, including vertical forward aluminum profile extrusion press machine plant line, vertical reverse aluminum profile extrusion press machine plant line, column aluminum profile extrusion press machine plant line, hydrostatic aluminum profile extrusion press machine plant line, continuous aluminum profile extrusion press machine plant line, etc., which have their own advantages and disadvantages. Relatively speaking, the vertical positive direction aluminum profile extrusion press machine plant line is more technically perfect. Not only the specifications and models of extrusion products are not limited, but also the actual operation of processing technology is simple, and the production and manufacturing coordination ability is great. It is very easy to complete the mechanical automation and operation automation technology of aluminum profile extrusion press machine plant line machinery and equipment.
However, its defects are also very obvious, that is, when extruding products, there is a very large external sliding friction between the ingot and the extruded simple wall, which is very easy to lead to the uneven fluidity of metal materials, and then bring adverse harm to the quality of extruded products; And the machinery and equipment are destroyed quickly and consume a lot of energy.
The characteristic of the vertical reverse direction aluminum profile extrusion press machine plant line is that when the pipe fittings are extruded in the reverse direction, the shaft strength is better than that in the positive direction, the extrusion energy consumption is low, the pressure residue is small, and the yield is high. However, it should be understood that the reverse extrusion itself is a complicated processing technology in practical operation, and the gap time is long, so the reliability of extrusion products is difficult to ensure.
When the adjustment precision meets the requirements, the column aluminum profile extrusion press machine plant line can ensure the precision of geometric drawings and specifications of extruded products, which is not easy to cause the disadvantage of axial force. However, it must build a deep pit and a high industrial plant, which is difficult to complete the development trend of large cargo capacity.
In the whole extrusion process of hydrostatic aluminum profile extrusion press machine plant line, there is basically no friction, and the fluidity of metal materials is uniform. Therefore, it can form all kinds of package recovery materials, ultra-low temperature superconductors, difficult to produce and process raw materials and high-precision aluminum profiles. However, the hydrostatic aluminum profile extrusion press machine plant line uses high-pressure materials, which improves the stages of pre-processing, filling and discharge, so the productivity is reduced.
In addition, there is still a kind of continuous aluminum profile extrusion press machine plant line, which aims at the raw materials with high melting point such as copper and alloy copper. It is difficult to achieve the cold extrusion temperature of metal material deformation by friction and ironing. Generally, it is necessary to carry out auxiliary heating on the extrusion wheel groove and die base in order to complete stable extrusion molding.
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