The spring-back is not only one of the most common defects in the sheet metal forming, but also one of the hardest to control deficiencies, especially in the bending process.
回弹是薄板冲压成形中最常见的缺陷之一,也是最难控制的缺陷,尤其是在弯曲成形过程中。
In recent years, Numerical simulation technology has become an important means to spring-back prediction.
近年来,有限元数值模拟技术已成为预测回弹的重要手段。
The spring-back mechanism in the drop bend-forming of automotive glass is introduced, and the finite element model is established.
介绍了汽车玻璃落模弯曲成形中回弹的机制,建立了有限元模型。
Through the actual verification, the predictions are satisfied with forming and spring-back of compensation parts, to improve the forming precision of parts.
经实际加工验证,该预测值能够较好地补偿零件成形回弹,提高零件成形精度。
Analyzed the structure characteristics and forming process of the stiffening plate of front-carling. According to the spring-back problem, proposed the rectification method.
分析了前纵梁后加强板的结构特点和成形工艺,针对回弹问题,提出了整改方法。
At last, the article made use of DYNAFORM software to simulate the horizontal beam and the roof bow, and in the actual production carried on a verification to the spring-back of the roof bow.
最后,利用dynaform软件对汽车横梁和车顶内部支撑进行了数值模拟,并在实际生产中对车顶内支撑的回弹做了验证。
In order to acquire the local bending spring-back accuracy of sheet metal strip of a progressive die design, the thesis aims to build ironing depth simulation model in a bending deformation zone.
为解决级进模具使用的带料上的局部折弯回弹的精度问题,本文建立了折弯变形区的过压量模拟模型。
The principle of the five axis tube-shape measuring machine system in contact type is analyzed. Point out the hardware and software of this system as well as the procedure to compensate spring-back.
分析了接触式五坐标管形测量机的工作原理,提出了其测量系统的硬件和软件的一种实现方法,探讨了实现管材弯曲回弹补偿的方法。
Based on the assumptions of small deformation and simple load, an analytical model of cylinder shallow shell is constructed, and the curve direction spring-back after trimming are given theoretically.
以矩形柱面扁壳为模型,从小变形、简单加载的前提条件出发,推导了矩形柱面扁壳切边后曲面方向回弹的理论解。
Mr. Gore and his partners decided to back the company, and in gratitude Silver Spring retained him and John Doerr, another Kleiner Perkins partner, as unpaid corporate advisers.
戈尔和他的合伙人决定支持该公司。作为感激,SSN邀请戈尔和他的另外一名KPCB的合伙人约翰-多尔为非受薪顾问。
Back at Carnegie Mellon it's the final week of the spring semester, and I have returned to watch the Yume Project team unveil its transformed android to the Entertainment Technology Center's faculty.
再次踏入卡内基·梅隆大学已是春季学年的最后一个星期,我重返这里是为了看看Yume项目小组向娱乐技术中心的全体师生展示他们改良的机器人。
The simulative results show that stress distribution under stretching with superimposed bending is more advantageous to the reduction of spring back.
计算结果表明,先弯曲再拉伸时应力分布规律更利于减小回弹。
Back in the spring of 2008 my blog went down. It was down for about nine days.
在2008年春天时我的博客崩溃了,这样持续了大约九天。
We are also working really hard to make sure the innovation that's happening currently inside the Web Flow 2 vehicle finds its way back into the Spring Framework itself where it makes sense.
我们也在努力确保现在发生在WebFlow2中的革新内容能够在有意义的前提下回归到Spring框架本身。
TVLINE | Chuck Lorre told me that he hoped to have Christine Baranski (The Good Wife) back this spring as Leonard's mother.
查克·洛尔告诉我他希望克里斯汀·巴伦斯基作为莱纳德的母亲返回这个春季档出现。
TVLINE | Chuck Lorre told me that he hoped to have Christine Baranski (the Good Wife) back this spring as Leonard's mother.
TVLINE |查克·洛尔告诉我他希望克里斯汀·巴伦斯基作为莱纳德的母亲返回这个春季档出现。
TVLINE | Chuck Lorre told me that he hoped to have Christine Baranski (the Good Wife) back this spring as Leonard's mother. Have you heard anything on that?
查克·洛尔告诉我他希望克里斯汀·巴伦斯基作为莱纳德的母亲返回这个春季档出现。关于这事你听说过吗?
At Mankiller Flats, where she went back to live, the old wooden house had been burned down by hunters, but the spring still flowed.
在她回去住的曼基勒平原,旧木头房子已被猎人烧毁,但那眼泉水仍在流淌。
Do you remember what you were doing back in the spring of 2006?
你是否还记得2006年的春天你做了什么?
In the 1918 pandemic, the virus was relatively mild when it first appeared in the spring, but it came back with a vengeance in the fall.
1918年的那场流感大流行期间,当病毒首次在春季出现时,引起的症状相对轻微,但是到了那年秋天,它卷土重现时,却来势更猛。
The Alaska team also found that when bears got moving again in spring, their metabolisms took several weeks to creep back to normal.
阿拉斯加团队还发现当熊在春天继续活动的时候,他们的新陈代谢要花几周时间才能回升到正常水平。
By the spring of 2009, with consumer confidence still depressed, local advertising began to come back.
直到2009年春,消费者信心依旧低迷,但是地方广告业开始有所回升。
At least when spring comes they roar back again.
至少它们,会随着春天归来。
When winter comes, it is dormant, but it comes back to life when spring returns.
当冬天来临的时候,它就进入了睡眠状态,但当春天来临时它又恢复了生机。
No sooner were we back in camp than the mobile telephone rang and a contact reported hearing gunshots from the village of Attan, to the South East of Buffalo Spring.
我们刚刚回到营地,手机铃就响了,一个当地联系人报告说听到从布法罗泉水东南的阿坦村传来枪声。
During the Spring Festival, those expecting to go back to their hometown had to queue for several hours for railway tickets.
春节期间,那些想回家的人不得不排几个小时的队买火车票。
No matter where people go and no matter how far they go, they will go back home enjoying family time during Spring Festival.
无论人们身在何处、走了多远,在春节期间,他们都会回家享受团圆时光。
My mind flashed back to last Spring Festival.
我心中回忆起去年的春节。
My mind flashed back to last Spring Festival.
我心中回忆起去年的春节。
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