Journal of Northeastern University(Natural Science) ›› 2025, Vol. 46 ›› Issue (4): 24-32.DOI: 10.12068/j.issn.1005-3026.2025.20230317
• Materials & Metallurgy • Previous Articles Next Articles
Hao-qiang SHI, Jia-dong LI, Peng ZHAO, Yong LI
Received:
2023-11-27
Online:
2025-04-15
Published:
2025-07-01
CLC Number:
Hao-qiang SHI, Jia-dong LI, Peng ZHAO, Yong LI. Numerical Simulation of Floating Morphology of Copper Alloy Strip in Air Cushion Heat Treatment Process[J]. Journal of Northeastern University(Natural Science), 2025, 46(4): 24-32.
组别 | 带材规格 | 下、上喷嘴 高度 /mm | 下、上喷嘴 风速/(m·s -1) | 带材下表面 气垫压力/Pa | 带材上表面气垫压力/Pa | 带材压力 差/Pa | 带材自身压力/Pa |
---|---|---|---|---|---|---|---|
1 | 0.5 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 126.43 | 65.17 | 61 |
2 | 1.0 mm 铜带材3-3,27 ℃ | 90-110 | 27.37-0.94 | 360.88 | 244.54 | 116.34 | 122 |
3 | 1.0 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 5.43 | 139.17 | 122 |
4 | 1.5 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 19.66 | 171.93 | 183 |
5 | 0.5 mm 铜带材3-3,600 ℃ | 80-120 | 34.20-30.78 | 191.71 | 128.35 | 6.35 | 61 |
Table 1 Strip pressure data for fluid-structure interaction
组别 | 带材规格 | 下、上喷嘴 高度 /mm | 下、上喷嘴 风速/(m·s -1) | 带材下表面 气垫压力/Pa | 带材上表面气垫压力/Pa | 带材压力 差/Pa | 带材自身压力/Pa |
---|---|---|---|---|---|---|---|
1 | 0.5 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 126.43 | 65.17 | 61 |
2 | 1.0 mm 铜带材3-3,27 ℃ | 90-110 | 27.37-0.94 | 360.88 | 244.54 | 116.34 | 122 |
3 | 1.0 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 5.43 | 139.17 | 122 |
4 | 1.5 mm 铜带材3-3,27 ℃ | 90-110 | 20.52-17.10 | 191.59 | 19.66 | 171.93 | 183 |
5 | 0.5 mm 铜带材3-3,600 ℃ | 80-120 | 34.20-30.78 | 191.71 | 128.35 | 6.35 | 61 |
影响因素 | 作用方式 | 板形控制应用 |
---|---|---|
气垫压力 | 气垫炉喷嘴喷射的高速气流在带材表面形成气垫压力,托举带材悬浮在空气中并使得带材发生近似正弦形变形,是产生变形的关键 | 满足带材漂浮的前提下,通过调整带材的上、下气垫压力来控制带材的变形 |
带材张力 | 气垫炉前与炉后的张力辊组施加在带材前进方向两端的微张力 | 增大带材的张力可以降低带材的变形量,有利于薄带材的板形控制 |
带材材料、 厚度 | 带材的材料和厚度由工厂的生产工艺确定,其通过改变带材的密度和刚度等物理参数来影响板形 | 对于较厚带材和刚度较高的带材无法形成合理的变形,可以调整其他影响因素 |
漂浮高度 | 控制带材在不同的漂浮高度,以获得不同的带材压力 | 气垫炉可以提供的气垫压力相对固定,通过改变漂浮高度可以更好地适配不同带材的要求,但要保持带材与上、下喷嘴的安全距离 |
炉内温度 | 由带材热处理工艺确定 | 炉温通过影响带材压力进而影响板形 |
Table 2 Summary of factors affecting the floating morphology of the strip
影响因素 | 作用方式 | 板形控制应用 |
---|---|---|
气垫压力 | 气垫炉喷嘴喷射的高速气流在带材表面形成气垫压力,托举带材悬浮在空气中并使得带材发生近似正弦形变形,是产生变形的关键 | 满足带材漂浮的前提下,通过调整带材的上、下气垫压力来控制带材的变形 |
带材张力 | 气垫炉前与炉后的张力辊组施加在带材前进方向两端的微张力 | 增大带材的张力可以降低带材的变形量,有利于薄带材的板形控制 |
带材材料、 厚度 | 带材的材料和厚度由工厂的生产工艺确定,其通过改变带材的密度和刚度等物理参数来影响板形 | 对于较厚带材和刚度较高的带材无法形成合理的变形,可以调整其他影响因素 |
漂浮高度 | 控制带材在不同的漂浮高度,以获得不同的带材压力 | 气垫炉可以提供的气垫压力相对固定,通过改变漂浮高度可以更好地适配不同带材的要求,但要保持带材与上、下喷嘴的安全距离 |
炉内温度 | 由带材热处理工艺确定 | 炉温通过影响带材压力进而影响板形 |
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