Room temperature thickening method and device for magnesium alloy panel
A magnesium alloy and plate technology, applied in the field of magnesium alloy plate thickening method and device at room temperature, to achieve the effects of convenient operation, uniform structure, and wide applicability
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Embodiment 1
[0037] This embodiment provides a method for thickening magnesium alloy plates at room temperature, which mainly includes the following steps:
[0038] S1: At room temperature, the magnesium alloy sheet is bent and deformed through a specific mold;
[0039] S2: Place the bent magnesium alloy sheet into a straightening die, and perform width-limited straightening under the rolling mill;
[0040] S3: Repeat the above steps to achieve thickening of the magnesium alloy plate through one or more bending deformation + width-limited straightening.
[0041] In this embodiment, the specific execution method of step S1 is as follows: place the magnesium alloy sheet material in a rectangular side-opening bending mold with a rectangular cavity at room temperature, and seal the mold with a top cover corresponding to the size of the mold opening; Afterwards, the top cover of the sealed mold is turned upward, and pressure is applied to the top cover so that the magnesium alloy sheet in the ...
Embodiment 2
[0044] This embodiment provides a magnesium alloy sheet thickening device, which can be used to implement the magnesium alloy sheet thickening method described in the first embodiment. Such as Figure 1-4 As shown, the magnesium alloy plate thickening device includes a rolling mill, a press, a bending die 100 and a width-limiting straightening die 200, wherein:
[0045] The press comprises a base 401 and a top seat 402 which are arranged oppositely. A support column 403 is connected between the base 401 and the top seat 402. A lower pressing block 404 is arranged on the base 401, and an upper pressing block 406 is arranged on the top seat 402. There is a mold placement space between the block 406 and the lower pressing block 404 , and a hydraulic cylinder 405 is provided on the top seat 402 , and the hydraulic cylinder 405 is connected to the upper pressing block 406 for applying bending pressure to the bending mold 100 . A control box 409 is also provided on one side of the ...
Embodiment 3
[0052] In this embodiment, the commercial AZ31 magnesium alloy plate is used as the experimental object, and the AZ31 magnesium alloy plate is thickened according to the method described in the first embodiment and the device described in the second embodiment. The cavity size of the bending mold 100 is 100mm×95mm×10mm, and the surface roughness of the cavity is Ra=0.08-0.16μm; the cavity size of the width-limited straightening mold 200 is 86mm×86mm×8mm, and the surface roughness of the cavity is Ra 0.08 -0.16μm; the rolling direction (RD) length of the magnesium alloy plate is 86mm, the transverse (TD) length is 91mm, and the thickness is 2.7mm; the specific steps are as follows:
[0053] (1) each surface of the magnesium alloy plate is polished smooth;
[0054] (2) Place a magnesium alloy plate of 86mm×91mm×2.7mm into the bending mold 100 in such a way that the plate TD is parallel to the direction of the width of the mold, and the plate RD is parallel to the direction of th...
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Abstract
Description
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