Forging process of magnesium alloy hub
A magnesium alloy and wheel technology, applied in the forging process of magnesium alloy wheels, can solve problems such as poor material properties, poor forging properties, performance differences, etc., and achieve the effect of not easy forging cracks, easy forging process, and excellent performance
Inactive Publication Date: 2021-12-28
CITIC DICASTAL
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Problems solved by technology
[0004] At present, the production method of magnesium alloy wheels is usually carried out by forging process. It is well known that the performance of forging materials has a great relationship with the forging process and sequence. Different forging processes and sequences will lead to obvious differences in the performance of the same place. Magnesium alloy forging During the process, the choice of forging process and sequence will have an important impact on the performance of forged magnesium alloy wheels. Due to the face-centered cubic structure of magnesium alloy materials, magnesium alloy materials show poor forging properties. Using traditional forging processes requires Presses with a capacity of at least 8,000 tons can forge the corresponding products, and even if the corresponding products can be forged, they often show poor material properties
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Embodiment 1
[0030] Such as figure 1 As shown, the embodiment of the present invention provides a forging process of a magnesium alloy wheel hub, including step 1. Cutting the magnesium alloy bar and heating it to the temperature required for forging deformation.
[0031] In the process of cutting the magnesium alloy bar, the most suitable and economical bar length is selected by calculating the material length and material ratio of each magnesium alloy wheel in advance, and the bar is cut by a metal cutting machine; the magnesium The alloy bar is heated to the temperature required for forging deformation, the magnesium alloy bar is heated to a certain temperature in a heating furnace, and kept for a period of time, wherein the heating furnace can be an electromagnetic heating furnace, etc.; the preset The temperature is greater than or equal to 360 degrees Celsius, but not allowed to exceed 420 degrees Celsius; 400 degrees Celsius is the temperature at which magnesium alloys are most easi...
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Abstract
The invention discloses a forging process of a magnesium alloy hub. The forging process of the magnesium alloy hub comprises the following steps that 1, a magnesium alloy bar is heated to 350 DEG C-420 DEG C, and heat preservation is conducted for 20 minutes; and 2, forging forming is conducted on the bar under a 6000-ton forging press, and the forging process is controlled in a segmented mode. According to the forging process, segmented control is adopted in the forging process, different forging process parameters are adopted for control in different forging stages, so that the magnesium alloy bar exerts the maximum forgeability in different deformation stages, the magnesium alloy deformation process is more continuous, the forging process is easier, the forged magnesium alloy hub with excellent performance is obtained, and the forging process and the machining efficiency are greatly improved.
Description
technical field [0001] The invention relates to the technical field of wheels, in particular to a forging process of a magnesium alloy wheel hub. Background technique [0002] Magnesium alloy is an alloy composed of magnesium and other elements. It has low density, high specific strength, large specific elastic modulus, good heat dissipation, good shock absorption, greater impact load capacity than aluminum alloy, and resistance to organic and alkali corrosion. Performance and other characteristics, it is the lightest metal among practical metals, the specific gravity of magnesium is about 2 / 3 of that of aluminum, and 1 / 4 of that of iron, so it is widely used in the fields of automobiles, aviation and aerospace, especially in the field of automobiles, such as Parts made of magnesium alloy can make the car lightweight. Nowadays, the lightweight requirements of automobiles are getting higher and higher, and the application of aluminum alloys has encountered a bottleneck in th...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B21J5/00B21J1/06B21K1/40
CPCB21J5/002B21J1/06B21K1/40B21K1/32B21K1/34B21K1/38B21J5/008B21J9/20C22F1/06B60B2310/208
Inventor 朱志华黄礼新谢理光胡乃铮武汉琦李蒙谌铁强田晓虎谢理明张利军阿拉腾
Owner CITIC DICASTAL