对跌落方位的控制是跌落试验机自动控制技术的核心。
Drop orientation control is the core of automatic control technology of drop tester.
利用气缸驱动气爪运动来抛落待测工件，可自动地进行跌落试验。
The air claw is driven by the cylinder to move so as to throw the work piece to be detected, which can automatically carry out a dropping test.
一种跌落试验机台，包括一支架、一具可上下伸缩的芯杆的气缸、一气爪及一控制电路 。
The invention discloses a dropping tester table, which comprises a support, a cylinder with an up-down telescopic core bar, an air claw and a control circuit.
为确定新研制的某炮弹塑料包装筒在跌落试验中，产生冲击破坏的原因，通过理论计算和试验研究。
To determine the reason of impact breakage of new developed plastic packing box for certain cannonball in drop test, this article derives the actual stress formulas in the position of impact breakage.
主卡通箱通过在运输过程的测试，包括气候的转变和跌落的试验。
Fulfills transportation test with master carton, for behaviour in climatic and drop test.
分别对大理岩、红砂岩和花岗岩等几种脆性比较明显的岩石进行了应力脆性跌落系数的试验研究。
Tests aims to research on the coefficient of brittle stress drop of several brittle rocks such as marble, red sandstone and granite are performed.
着重研究了机械冲击和应力对无铅BGA封装焊点可靠性的影响，介绍了BGA 封装的可靠性力学试验（跌落、弯曲试验）及其分析方法。
The methodologies for free drop test and bending test are introduced, considering the important effect of mechanical stress on the reliability of lead-free BGA packaging.
在公司内可以完成产品的高、低温、高湿、冲击、跌落撞击、寿命、抗干扰的试验。
The company can be accomplished within a product of high, low temperature, high humidity, shock, drop impact, life, anti interference test.
本文阐述了在跌落冲击试验时主冲击与次冲击的特点。
This paper described the characteristics of major shock and secondary shocks in drop-test.
为解决普通移动硬盘因不慎跌落损坏而易导致数据丢失的缺点，发明了一种新型的微气囊抗冲击移动硬盘，并对其进行了理论及试验研究。
To solve this problem, a new mobile hard disk based on subminiature air chamber technology was developed, and theoretical and experimental analysis were applied to it.
本文阐述了在跌落冲击试验时主冲击与次冲击的特点。
The characteristics of major shock and secondary shocks in drop-test are described in this paper.
介绍一种长脉冲持续时间的小型跌落冲击台，并对其结构特点、工作原理、冲击试验的波形进行阐述与分析。
This paper described a small type drop-test shock machine with long duration of shock pulse. Thispaper analyzed its construction characters, operation principle and wave forms of shock test.
试验结果表明，限流器可以有效限制短路电流的峰值和有效值，对于母线电压跌落也有较好的抑制效果。
Experimental results showed that the fault current limiter was effective in curbing the short-circuit current peak and RMS, and it also performed well on inhibiting the bus voltage drop.
而自由跌落作为手机环境试验的一个重要试验项目，其属于实物试验，多在产品开发后期进行。
The free-drop examination with practicality is a vital item of environmental examination of mobile phone products, the examination is always performed in the anaphase of product development.
②塑料件前壳试验：将两组较优浇口方案产生的熔接痕位置调整到跌落方向的最低处。
The drop simulation for the front plastic shell have been done with take the position of weld line which result from the two relatively optimal projects to the lowest location.
在模拟跌落零件试验中应用，表明该报警方法是可行的。
The results from experiments justify the method to be feasible.
我们将介绍新合金材料的基本属性以及在表面贴装应用中的验证结果，特别是在跌落冲击和温度循环试验的结果。
The basic properties of the new alloys shown here were fully characterized and their use in SMT applications evaluated, especially in drop shock and temperature cycling tests.
半正弦波跌落冲击试验因其垫层的硬非线性而难于求解。
It is difficult to solve the equation of half sine wave shock-exited vibration due to the pad's hardening type.
半正弦波跌落冲击试验因其垫层的硬非线性而难于求解。
It is difficult to solve the equation of half sine wave shock-exited vibration due to the pad's hardening type.
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