Meidum- and high-carbon steel plate laser welding method and device
A laser welding, medium and high carbon technology, used in laser welding equipment, welding equipment, welding/welding/cutting items, etc., can solve the problems of poor plasticity and toughness of welds, easy fracture of welds, etc., and achieve the effect of improving welding performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0030] Example 1
[0031] Use the hot-rolled plate with the chemical composition shown in Table 1, the sample size is: 2.0×500×1000mm, and the same material is used for welding.
[0032] Table 1 Chemical composition of experimental steel (wt%)
[0033]
[0034] The welding scheme is shown in Table 2. The maximum welding power of the welding machine used here is 12kw CO 2 Laser welding device. The laser power used in this experiment is 12kw, the welding speed is 6m / min, the welding gap distance is 0.05mm, and the laser focal length is -2.5mm.
[0035] Table 2 Welding scheme
[0036]
[0037] Corresponding evaluation experiments were carried out on the samples after welding, and the experimental results are shown in Table 3.
[0038] Table 3 Weld quality evaluation
[0039]
[0040] Observe the microstructure of the weld after welding such as figure 1 , figure 2 Shown is tempered sorbite, the microhardness of the welded structure is tested as image 3 Shown.
Example Embodiment
[0041] Example 2
[0042] Use the hot-rolled plate with the chemical composition shown in Table 4, the sample size is: 2.0×500×1200mm, and the same material is used for welding.
[0043] Table 4 Chemical composition of experimental steel (wt%)
[0044]
[0045] The welding scheme is shown in Table 5. The maximum welding power of the welding machine used here is 12kw CO 2 Laser welding device, the laser power used in this experiment is 8kw, the welding speed is 5m / min, the welding gap distance is 0.06mm, and the laser focal length is -1mm.
[0046] Table 5 Welding plan
[0047]
[0048] Corresponding evaluation experiments were carried out on the samples after welding, and the experimental results are shown in Table 6.
[0049] Table 6 Weld quality evaluation
[0050]
[0051] Observe the microstructure of the weld after welding such as Figure 4 , Figure 5 Shown is tempered sorbite, the microhardness of the welded structure is tested as Image 6 Shown.
Example Embodiment
[0052] Example 3
[0053] Use the hot-rolled plate with the chemical composition shown in Table 7. The sample size is 2.0×500×1200mm, and the same material is used for welding.
[0054] Table 7 Chemical composition of experimental steel (wt%)
[0055]
[0056] The welding scheme is shown in Table 8. The maximum welding power of the welding machine used here is 12kw CO 2 For the laser welding device, the laser power used in this test is 6kw, the welding speed is 4m / min, the welding gap distance is 0.08mm, and the laser focal length is -0.5mm.
[0057] Table 7 Welding plan
[0058]
[0059] Corresponding evaluation experiments were carried out on the samples after welding, and the experimental results are shown in Table 6.
[0060] Table 8 Weld quality evaluation
[0061]
[0062] Observe the microstructure of the weld after welding such as Figure 7 , Figure 8 Shown is tempered sorbite, the microhardness of the welded structure is tested as Picture 9 Shown.
[0063] It can be seen from th...
PUM
Property | Measurement | Unit |
---|---|---|
Thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap