A Spinning Technology of Magnesium Alloy Wheel Hub
A spinning process and magnesium alloy technology, applied in the field of wheels, can solve problems such as poor material properties and poor spinning properties of magnesium alloy materials, and achieve the effect of not being easy to forge cracks, excellent mechanical properties, and excellent performance
Active Publication Date: 2022-04-29
CITIC DICASTAL
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Problems solved by technology
[0005] It is well known that the performance of forging materials has a great relationship with the forging process and sequence. In the process of magnesium alloy spinning, the choice of spinning process and sequence will have an important impact on the performance of magnesium alloy wheels. Cubic structure, resulting in poor spinning properties of magnesium alloy materials, even if the corresponding products can be forged using traditional forging and extrusion processes, they often show poor material properties
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Embodiment 1
[0044] Such as figure 1 As shown, the embodiment of the present invention provides a spinning process of magnesium alloy hub, including
[0045] Step 1. Cut the magnesium alloy bar and heat it to the temperature required for forging deformation.
[0046] 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 easily d...
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Abstract
A spinning process for a magnesium alloy wheel hub, comprising the following steps: Step 1. Heating a magnesium alloy bar to 350-430°C and keeping it warm for 20 minutes; Step 2. Preliminarily forging the bar under a forging press, forging The pressing speed is 6-15mm / s; Step 3. Perform final forging on the bar under the forging press, and the forging pressing speed is 5-8mm / s; Step 4. Relieve the stress of the magnesium alloy blank after final forging Annealing; Step 5. Solid solution the annealed magnesium alloy billet; Step 6. Take out the solid solution billet, and use a spinning machine to directly perform spinning; Step 7. Heat treatment, heat treatment and aging treatment. Magnesium alloy wheels with excellent performance are obtained through this process, which greatly improves the spinning process and processing efficiency.
Description
technical field [0001] The invention relates to the technical field of wheels, in particular to a spinning 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 t...
Claims
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IPC IPC(8): B21K1/40B21J5/00B21D22/14C21D9/34C21D1/26
CPCB21K1/40B21J5/002B21D22/14C21D9/34C21D1/26C22C23/02C22C23/04C22C23/00C22F1/06C21D1/30B21K1/34B21J1/06B21J5/02B21J9/02B21J1/003C21D8/0273
Inventor 徐佐黄礼新李蒙沈静茹徐世文张利军张青柱张维智谢理光孔德才郎玉玲
Owner CITIC DICASTAL