1) wall thickness forging ratio
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壁厚锻造比
1.
Then the corresponding measures were carried out to improve the product quality,for example,designing reasonable dies and mandrel sizes to decrease the wall thickness forging ratio.
对油管管端一道次加厚变形的可行性进行了理论分析,得出了油管加厚变形不会产生失稳现象的结论,同时识别出加厚模具、加热温度、变形速度等影响产品质量的因素,并针对这些因素采取相应措施,如设计合理的加厚模和冲头尺寸,以减小壁厚锻造比,采取变形段梯度加热、快速顶锻等方法,最终总结出了新的油管一道次加厚工艺控制技术,钢管单道次壁厚锻造比可以达到1。
2) forging ratio
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锻造比
1.
In this paper,influence of different forging ratio on the performance of die steel (H13)is studied under the simple stretching and hot-forging condition.
本文对研制生产的H13钢(即4Cr5MosiV1钢),在单纯拔长热锻工艺下,不同锻造比对模具钢性能的影响;研究得出,最佳锻造比为6,此时常温横向冲击韧性达45。
3) asymmetric wall forging
![点击朗读](/dictall/images/read.gif)
非均匀壁厚锻件
1.
Forming process of asymmetric wall forging;
![点击朗读](/dictall/images/read.gif)
非均匀壁厚锻件成形工艺分析
4) inner-radius-to-thickness ratio
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内径壁厚比
1.
Effects of inner-radius-to-thickness ratio of composite pipes on velocity of guided waves;
复合管内径壁厚比对导波速度的影响
5) inner-radius-thickness ratio
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内径-壁厚比
1.
The relationship between the wave-packet duration of ultrasonic longitudinal guided waves with lower order and the inner-radius-thickness ratio(IRTR)of free pipes was analyzed at various propagation distances, various frequency-thickness products and various cycle numbers of the input pulse signal.
在自由管材的情况下,在各传播距离、各频厚积和各激发脉冲周数上,分析了内径-壁厚比和管材中较低阶纵向导波模式波包宽度的关系。
6) ratio of wall thickness to size
![点击朗读](/dictall/images/read.gif)
壁厚与管径比
补充资料:锻造比
forgingratio:金属材料在锻压加工中能承受塑性形变而不破裂的性能。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条