回弹

Secondly, in the FEA simulation, matching section line of before and after springback will be gained by 2D section method and then compensation surface will be gained by SGD algorithm.

其次，研究了在有限元分析中，先利用二维截面法得到回弹前后匹配线，再通过SGD算法得到回弹补偿型面。

Experiments on springback in concave and convex edge flanging are carried out. Method of the mixed-level orthogonal test design is used to select the training sets from experiment data, and a radial basis function ( RBF) neural network model for springback is developed.

对薄板内凹、外凸翻边进行了回弹试验，借助混合水平的正交试验设计方法从试验数据中选择训练样本，建立了回弹的径向基函数神经网络模型。

A constructive formula of ultrasonic-rebound method to test concrete strength is presented.

摘要提出一种超声回弹综合法检测混凝土强度的推定公式.

In the techniques about decreasing rebound in die manufacturing are described the point of structural design.

从弯曲模结构设计角度,阐述了生产中常用减小回弹的方法和技巧.

Tensile strength compression and resilience rates of flexible graphite sheets were measured.

测量了不同密度柔性石墨板的拉伸强度、压缩率和回弹率等力学性能.

The large binder force is most effective to restrain springback among the concerning factors that influence the magnitude of springback. After analyzing the influencing factors of springback, one VBF pattern based on the modified micro genetic algorithm to control the springback was proposed in this paper.

在此基础上，本文对冲压件回弹量影响因素作了分析，并提出了一种基于改进微遗传算法的变压边力模型用于回弹控制。

Springback is a kind of common phenomenon that is hard to solve in the stamping.

回弹是板料冲压成形过程中一种常见但很难解决的现象.

The experimental program of curve to detect concrete compression strength with resiliometer for quzhou area is introduced in the paper. The method and process of regression analysis of rebound date by excel database is also introduced in the paper.

介绍了建立衢州地区混凝土回弹测强曲线的试验方案、及运用Excel表格进行回弹数据的回归分析的方法和步骤。

In this test, the drilling method, pulling-out method, rebound method and the ultrasonic-rebound method were done on the 12 pure commercial concrete blocks.

本文对12批商品混凝土试件及构件分别进行钻芯法、后装拔出法、回弹法、超声-回弹综合法的强度检测试验。

Springback is an inevitable physical phenomenon in the metal sheet elastic and plastic forming.

回弹现象是金属板料弹塑性成形过程中不可避免的物理现象.

Our SWEET 17 cross string produces increased return energy on the ball.

横线采用Sweet17可以提高球回弹时能量的转化.

And the springback angle of thick sheet was obviously larger than that of thin sheet, on the other hand, it was not influenced clearly by the sheet width.

厚板弯曲的回弹角明显小于薄板弯曲的回弹角，而板材的宽度对其回弹角则无明显影响。

According to the post-processing results, spring-back of automobile panel is analyzed, measures of controlling spring-back quantity are proposed, parameter selection and trial-production of automobile mould are provided theoretical basis.

根据后处理结果，对汽车覆盖件进行了回弹分析，提出了控制回弹量的措施，对汽车覆盖件冲压模具的参数选择和试制提供了理论依据。

Springback is one of the common defects in metal forming.

回弹现象是薄板成型过程中的常见缺陷之一.

The influence mechanism of the draw bead on the springback was analyzed and summarized.

分析了拉深筋对回弹的影响机理,试验研究了板料经过半圆形拉深筋后的回弹情况.

Through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus.

对比现场实测的当量回弹模量与理论当量回弹模量，指出现有水泥路面设计中的诺谟图不能完全符合现有道路材料，从而提出了对理论模量的修正公式。

Each section curve is regarded as a spline curve, then make use of springback simulation result after unloading of the spline and some modified value such as friction, clearance, press margin power and round radius of punch to predict each section springback.

每个截面曲线看成样条曲线，由样条卸载后的回弹仿真，加上利用神经网络法预测成形中摩擦、间隙、压边力、凸模圆角半径等影响的修正量来预测每个截面的回弹。

Success is how high you bounce when you hit botton.

成功就是在你跌落谷底后,能够再次回弹的高度.

In the test, the medium-type rebound instrument and the CTS-25 ultrasonic apparatus were used.

本试验采用中型回弹仪和CTS-25型超声仪，依照超声一回弹综合法制定测强曲线的要求，对自然养护试块加速碳化后进行回弹法和超声法试验。

Feature: Uses copyrighted chain spring with super bounce back and durable.

特点: 采用专利精钢门环弹簧,超强回弹力,坚固耐力.

The modeling of U-shaped bending and the quantification presentation of U-bending resilience were stated.

而回弹是弯曲件从模具中取出来后,弹性变形部分的恢复.

Drill and rebound are two common concrete strength testing methods.

钻芯和回弹是两种常用的混凝土测强方法.

The strength of negative temperature concrete is tested with supersonic-rebounding method.

本文将超声回弹综合法用于负温混凝土强度检测.

Trading opened yesterday with 27 stocks down by their daily limit.

昨,有27只股票以跌停板收盘.其后一些股票发觉回弹.

Trading opened yesterday with 27 stocks down by their limit.

昨,有27只股票以跌停板收盘.其后一些股票泛起回弹.

The spring-back law of the thick-plate in twin-curvature mould press is studied.

对双曲率模冲压后板料的回弹规律进行了模拟，得出了不同的板宽和板厚对板料冲压后回弹量的影响规律，从而为确定冲模修正量的大小提供了依据。

The product is brilliant in color, fastness, lightweight ageing resistance, high intension, airing, water fast etc.

具有色彩鲜艳、不褪色 、 重量轻、抗老化 、 强度高、回弹快 、 透气 、 耐水 、 耐油等优点.

The equivalent draw bead model is a key factor that affects the precision of springback prediction.

等效拉延筋模型是影响回弹预测结果的一个重要因素.

Characteristic: Excellent abrasion resistance . High dynamic stability . Low Resilient rate.

特性: 耐磨性能优良,动态稳定性高,回弹率低.

Experiment with the rebound damping first-which we know is most likely too stiff.

首先测试回弹阻尼,通常它会太硬.