aluminum extrusion cnc products are gaining popularity

Aluminum extrusion cnc products are becoming more and more popular in enterprises. When choosing aluminum extrusion cnc products, in addition to considering the thermal influence factor of extrusion speed on extruded metal, it should also consider that the press should have sufficient rigidity and guiding accuracy, and set a reliable overload protection device. When the friction press is used for extrusion, due to the different guiding precision of the equipment, it is necessary to install a guiding device on the die. For friction presses without ejector, a jacking device should also be added. When pressing with a universal crank press, in order to improve the strength and rigidity of the equipment, the bottom plate of the worktable should be made of cast steel, and the holes on the worktable should be reduced. Since the parts remain on the mold after extrusion, the tension between the extrusion part and the mold is large, and the required ejection amount is large, which is about 10%-20% of the nominal pressure. Therefore, the pressure set point exit device should be strengthened. In addition, the extrusion pressure and stroke should be checked against the allowable load curve of the press slide. That is to say, in the entire extrusion stroke range, the extrusion pressure should be less than the limit value of the stroke pressure curve allowed by the press, and cannot be determined according to the nominal pressure.

The accuracy and stroke of the press are not enough, and the pressure in the middle of the stroke is only about 1/3 of the nominal pressure. Therefore, it is better to use a dedicated extruder as extrusion equipment. The toggle extruder has the characteristics of small stroke, many strokes and long compression time, and is suitable for the extrusion of parts with short working strokes. The utility model is suitable for the extrusion of long parts. The hydraulic extruder works under the nominal pressure in the full stroke, the extrusion speed and stroke are adjustable, and it is suitable for extruding parts with large length.

The working principle of aluminum extrusion cnc products is the principle of physical deformation. The aluminum strip is heated to about 450 degrees C through auxiliary equipment such as electromagnetic heating furnace or coil induction heating furnace, and then extruded through the extruder. The working principle of the extruder is to extrude the aluminum rod heated by the device in the barrel, and one end is the extrusion rod that outputs the propulsion force. The other end is the corresponding mold. Under the pressure output of the hydraulic system, the extrusion rod pushes the aluminum strip towards the die. After high temperature physical deformation, the aluminum strip comes out of the mold and becomes the corresponding aluminum profile. It is then cooled and sawed for the next process.