复合弯曲成形是一种高柔性的板料成形工艺。
Compound bending forming is a flexible sheet metal forming process.
运用有限元方法分析了模切板刀片的复合弯曲成形,对成形过程中的回弹进行了研究。
The finite element analysis of the compound bending forming process is done for knives of the template. The spring back in the forming procedure is investigated.
对薄板的高次弯曲振动模式的分析及大圆盘、多波节复合弯曲超声换能器的设计提供了理论计算依据。
These provide theoretical calculation basis for analysis of high mode flexural vibration of plate and design of big round plate and multi nodal compound flexural ultrasonic transducer.
发现当打印机的打印模式不同时,基底会发生变化,并迫使在其上沉积的碳复合层以各种形式进行弯曲或扭转。
As they change, they force the carbon composite on which they're deposited to bend or twist in various ways, depending on the pattern produced by the printer.
目的:比较整体固化与分层固化光固化复合树脂的压缩强度、拉伸强度及弯曲强度。
AIM: To compare the compressive strength, tensile strength and flexural strength of bulkily filled and incrementally filled visible light-cured composite resin.
结果表明,复合齿形齿轮比渐开线齿形齿轮具有更高的弯曲强度。
The results are compared to those of the standard involute gear and proof that the bending strength of the composite profile tooth is higher than that of involute one.
通过大量的雷电冲击放电试验、工频电弧试验和弯曲负荷试验等试验研究,研制出了一种放电箝位柱式复合绝缘子和配套的绝缘罩。
By means of lots of lightning impulse tests, power frequency arc tests as well as bend loading tests, a kind of clamping post composite insulators with matching insulation hoods is developed.
由实测和理论分析表明复合土钉墙的变形是由剪切变形、弯曲变形以及墙底基底以下土体变形组成。
The analysis and the spot measure data prove the deformation of composite soil nailed wall include shear deformation, bend deformation and total deformation of soil.
对复合材料的空隙率、拉伸、弯曲性能进行了实验和分析。
The void content, elongation, and bending properties of the composite material were examined.
本文叙述了海底光纤复合电力电缆的设计、制造及进行的盘绕、拉伸、张力弯曲等机械性能试验。
This paper presents the design and production of submarine composite power cables with optical fibers as well as the mechanical tests-wrapping test, tensile test and bending test.
分析了角部雨檐零件特点及其成形机理,将复合成形分解为简单的弯曲和翻边。
The characteristics of the corner rain eaves parts and their forming principle were analyzed. The compound forming was broken into simple bending and flanging.
在PEI含量5%左右时,复合材料的综合力学性能较佳,弯曲强度提高了28.0%,冲击强度提高了26.1%。
PEI 5% in the content, the composite material has better mechanical properties, bending strength increase by 28.0%, impact strength 26.1%.
随着最大载荷保持时间的增加,塑木复合材料进入延迟弹性变形阶段越晚,弯曲挠度增加越快,断裂寿命降低。
The delayed elastic deformation stage came later, the bend deflection increased more quickly, and breaking life shortened with the increase of the prolongation of the maximum load hold time.
研究了三种不同界面结合状态(机械结合、溶解结合、反应结合)的碳纤维增强铜复合材料的界面结构及其对复合材料弯曲强度的影响。
Interface characteristics of carbon fiber reinforced copper matrix composite materials with various interface states and their effect on the flexural strength of the composites had been studied.
首先推导出回复力作用下的复合平板叶片的弯曲振动特性。
The flexural vibration characteristics of the composite plate affected under recovery force have been derived.
根据复合材料力学,建立了弯曲条件下复合梁的分析模型,并导出了相应的应变响应关系。
On Basis of composite mechanics, an analytical model of composite beam under bending is established and the corresponding deformation response is formulated.
偶联剂处理使高硅氧纤维与树脂基体的粘结强度增加,从而提高复合材料的弯曲强度。
After high silica fiber is treated by coupling agent, excellent interfacial cohesion and flexural strength of super-hybrid composite are obtained.
研究了模压成型过程中加压时机、冷却方式及人造石墨原料对复合材料电导率和弯曲强度的影响。
The influences of different synthetic graphite, pressure applying moment and cooling-down methods on electrical conductivity and bending strength of the composites were investigated.
试验结果表明,气囊充压压力使复合材料承力筒的壁厚减薄,纤维体积含量增加,弯曲性能提高;
The experimental result shows that higher bladder pressure decreases thickness of composite bearing cylinder, increases fiber volume fraction and improves the bending properties.
由于弯曲性能能够很好地反映材料的综合力学性能,所以本文对PPES和PPEK及其复合材料的高低温弯曲性能进行了研究分析。
Because the bend performance can well reflect integrating mechanics performance of materials, thus the thesis studied and analyzed the bend performance of PPEK, PPES and their composites.
为改善直升机传动轴的动力学特性,研究了非惯性系下复合材料传动轴的弯曲振动问题。
To improve the dynamic characteristics of a helicopter transmission shaft, bending vibration of a composite transmission shaft was investigated under a non-inertial system.
结果表明:对于一定的混杂复合材料,弯曲强度随着某一位置层错数目的减少而增加;
The result shows that, for a definite hybrid composite, the bending strength increases as the numbers of the plies drop-off at a station reduce.
对三角形底盘筒形件的成形工艺进行了分析,决定采用弯曲、拉深、胀形复合模等进行复合成形。
As the shape technology of triangle chassis canister is analyzed, then the processes of bending, stretching and bulging compound mould are adopted to reunite the shape.
本文在板、壳勒夫——柯希霍夫假设的基础上,推导出金属、复合材料板、壳弯曲问题的基本公式。大量数值计算从各方面证明了本方法具有良好的使用性能。
The formulas of bending problem of isotropic or anisotropic plate and shell is established, the applicability of this method has been shown by many numerical practices.
结果表明,复合材料的拉伸强度、曲强度和弯曲模量随着云母用量的增加而提高。
The results showed that the tensile strength, flexural strength and flexural modulus increased obviously with increase of amount of Mica.
以碳纤维增强聚四氟乙烯(CF/PTFE)复合材料弯曲强度试验结果作为依据,开展CF/PTFE复合材料界面应力的研究工作。
The flexural strength of carbon fiber reinforced Polytetrafluoroethylene(CF/PTFE) composite increases with the increase of carbon fiber content both in modified and unmodified CF/PTFE composite.
木粉的碱化处理使复合材料的弯曲强度和弯曲模量分别下降20。
Alkaline treatment of wood flour makes flexural strength and flexural modulus of the composite decrease by 20.
基于三阶折线位移模型,利用虚功原理导出了含初始平面应力的层合复合材料板的弯曲理论。
Based on the third order zigzag displacement model, a bending theory for laminated composite plates in an initially stressed state is derived by use of the principle of virtual work.
基于三阶折线位移模型,利用虚功原理导出了含初始平面应力的层合复合材料板的弯曲理论。
Based on the third order zigzag displacement model, a bending theory for laminated composite plates in an initially stressed state is derived by use of the principle of virtual work.
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