Welding process method capable of protecting aluminum alloy component against deformation
A technology of aluminum alloy parts and welding process, which is applied in the direction of welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems that cannot be completely solved in the welding of aluminum alloy materials, achieve reliable results, reduce the flow effect, and reduce the inner diameter Effect
Pending Publication Date: 2020-11-13
TIANJIN JIEQIANG POWER EQUIP
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Problems solved by technology
[0010] The above-mentioned technological measures to control the welding deformation of aluminum alloys are currently commonly used methods, and can better control the welding deformation in the welding of suitable aluminum alloy structural parts, but they cannot completely solve the problem of small thickness (<2mm) Aluminum alloy material welding
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[0031] A welding process method for preventing deformation of aluminum alloy parts, which comprises the following process steps:
[0032] ——The first step, making and assembling a special welding mold: the special welding mold includes a welding tire 6, a welding tire pin 9 and a pressing device, and a welding tire pin hole 8 is opened at the front of the welding tire, and the welding tire pin hole 8 is opened on the front of the welding tire. The middle part of the tire pin is fixed with a welding mold 5, the first welding piece 3 and the second welding piece 4 are aluminum alloy pipes, the melting point of the welding mold is higher than that of the first welding piece and the second welding piece, and the second welding piece is set outside the welding mold and tightly Cooperate, the bottom of the welding tire pin passes through the welding tire pin hole of the welding tire, and the pressing device includes a lower locking nut 7 installed on the bottom of the welding tire pi...
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The invention relates to the technical field of welding, in particular to a welding process method capable of protecting an aluminum alloy component against deformation. The welding process method comprises the following process steps: step 1, manufacturing a special welding mold bed, wherein the special welding mold bed comprises a welding mold bed body, a welding mold bed pin and a compressing device, a welding mold bed pin hole is formed in the front of the welding mold bed body, a welding mold is fixedly arranged at the middle of the welding mold bed pin, both a weldment I and a weldment II are designed to be aluminum alloy pipes, the melting point of the welding mold is higher than those of the weldment I and the weldment II, the weldment II sleeves and is in close fit with the welding mold, the bottom of the welding mold bed body penetrates through the welding mold bed pin hole, and the compressing device comprises a lower locking nut and an upper compressing nut as well as is used for clamping the weldment II; step 2, preheating; step 3, selecting parameters; step 4, welding; step 5, cooling; and step 6, taking the weldments out of the welding mold after dismounting the upper compressing nut. The welding process method provided by the invention is simple, convenient and easy; the effect is reliable; and the aluminum alloy component is protected against deformation in thewelding process.
Description
technical field [0001] The invention relates to the field of welding technology, in particular to a welding process method for preventing deformation of aluminum alloy parts. Background technique [0002] The density of aluminum alloy is small, and it is generally applicable to various processing techniques at present, and is widely used in various fields, but its processing performance is different from that of iron-carbon alloy materials, and its melting point is slightly lower, and its thermal conductivity is larger. The welding process brings inconvenience. [0003] At present, the methods to solve the welding deformation of aluminum alloy include: [0004] 1. Control welding process parameters; [0005] 2. Formulate a welding sequence that effectively controls the amount of deformation; [0006] 3. Use welding mould; [0007] 4. Adopt the method of preheating parts; [0008] 5. Select high-quality welding consumables; [0009] 6. Reduce the weld seam and weld bead...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B23K37/04B23K31/00B23K31/02B23K103/10
CPCB23K31/003B23K31/02B23K37/0435B23K2103/10
Inventor 邵庆丰魏青冯金珠
Owner TIANJIN JIEQIANG POWER EQUIP