磨损量
- 网络wear;Abrasion loss;Attrition
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涂层在较大的P、V值范围内与各类配副均具有极低的摩擦系数和磨损量以及很高的尺寸稳定性;长期工作过程中,涂层未出现任何破坏现象。
Under a wide range of P and V value , there are very low friction coefficient and wear , high dimensional stability for coating-metal pairs and no any damage during the test of nylon coating .
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结果发现,Al2O3在镀液中的浓度对镀层性能的影响较大,影响规律也较为复杂,磨损量与复合量是息息相关的。
As a result , Al2O3 content in electrolyte was the main and most complicated effect on the performance of coatings , and wear loss had a close relationship with Al2O3 content in coatings .
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用CCD光学三角法测轧辊表面磨损量
CCD for Optical Triangle Method to Measure the Surface of the Roller
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介绍Grey-Markov模型的基本原理和方法,并将这一方法用于某大型圆盘给料机蜗轮副磨损量的预测。
This article introduces the basic principles and method of Grey markov model .
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P含量较高时为拉应力,镀层脆性脱落严重,磨损量增大。
When P content is high , it is in the state of tension stress and serious brittle dropping appears , the wearing volume also rises .
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炉内辊磨损量与外表面温度、热应力的实时动态MATLAB计算
The real-time trends matlab calculation of the abrasion quantity ? The outward surface temperature and the thermal stress of the furnace roller
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对于某一种制动盘,使用B配方制动闸片时,制动盘表面的温度较高,但闸片的磨损量较小;
For a certain braking disc , the pair which use B-type braking pad possesses higher surface temperature of braking disc but less weight loss of braking pad ;
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而同样条件下,冷激铸铁挺柱的磨损量为10.44μp,与其配对的45号淬火钢凸轮磨损量为8.72μp。
Under the same testing condition , the wear of chilled cast iron tappet is 10.44 μ m , while that of the quenched 45 steel counterface is 8 . 72 μ m.
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讨论了一种应用线阵CCD图像传感器测量火车车轮踏面磨损量的检测系统;分析了系统的测量原理;
The principle of a measurement system used to inspect the wheel tread contour of locomotives and cars with linear CCD image sensor is introduced .
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并且,随Cu粉含量的增加,PTFE基复合材料的摩擦系数逐渐减小,材料的磨损量也呈减少的趋势。
With the increase of copper content , the friction coefficient of PTFE-based composites decreases , the wear volume also shows a decreasing trend .
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对于不同的磨料,锆英砂和SiC,锆英砂硬度高于SiC,其磨损量也远大于SiC。
To the different abrasives , zircon and SiC , the hardness of zircon is higher than SiC , its wearing amount is far greater than SiC .
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随纳米SiC含量的增加,其摩擦系数有所增大;随着载荷的增大,PTFE/纳米SiC复合材料的磨损量增加。
The friction coefficient of PTFE / nano-SiC composites increased with the increasing of SiC content , and the wear amount of composites increased with the increasing of load .
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高速摩擦条件下,Fe能促进摩擦面氧化膜的形成,减小材料的摩擦系数和磨损量。
At the same time , at high speed friction , Fe takes part in formation of oxide film on friction surface , so the wear loss of friction material is decreased .
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在摩擦组元含量相同的情况下,添加莫来石的摩擦材料的摩擦系数、磨损量、对偶件的磨损量均比添加SiO2者要高。
The material containing mullite has higher friction coefficient and higher wear rate of counterpart than that containing SiO_2 under the condition of same content .
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20碳钢经C-N共渗后相对磨损量减小一倍左右。
After carbonitriding , the relative erosion rate of 20 carbon steel decreases about a half .
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可知,PTFE纤维含量大摩擦系数小,发热少磨损量相对小;
PTFE content in the fabric is the major one , higher content of PTFE results in lower friction coefficient and lower heat generation and less wear further .
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填料Cu粉质量分数为15%时的复合材料摩擦系数较小,磨损量较低;
As for UHMWPE-base composites reinforced by Cu powder , the one whose filling Cu powder makes up 15 % of the composite by weight has lower friction coefficient and smaller wear value than the others .
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结果表明,PMIA的摩擦系数随环境温度的升高,先增大后减小,在137℃出现最大值,磨损量随温度的升高而增大。
The results show that with ambient temperature increasing , the friction coefficient of the PMIA increase then decrease , the maximum friction coefficient value is obtained at137 ℃ .
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磨损量对比曲线显示,当纳米Al2O3质量分数为4%、8%时,随载荷增大磨损量趋于一致。
The wear weight contrast curve showed that the wear weight was almost the same with loads in increasing when the content of nano-Al_2O_3 was 4 % and 8 % .
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利用一种根据K-means方法对样本聚类后建立的改进型模糊神经网络(MTFNN)模型,对刀具后刀面磨损量进行在线工况实时识别。
In order to identify cutting tool wear on - line , a modified type of fuzzy neural network ( MTFNN ) clustering in K - means method is set up .
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结果表明:当TiC体积分数小于20%时,随着体积分数增加熔覆层的磨损量逐渐减小;
The experiment results show that as the volume fraction of TiC particles is less than 20 % , the wear amount of the composite decreased with the increase in the fraction .
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钎焊接合的陶瓷-金属复合挺柱,装在汽车发动机上,工作1160h后,陶瓷镶块自身磨损量约为0.25μp,其对偶件45号淬火钢凸轮的磨损量为3.14μp。
Ceramic - metal tappet combined by braze welding was tested in automobile engine . After 1160 hours running , the wear of the ceramic insert itself is 0 . 25 μ p , while that of the quenched 45 steel counterface is 3 . 14 μ m.
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利用MATLAB的计算和绘图功能,绘制了炉内辊磨损量和炉内辊外表面温度、热应力的实时动态关系曲线,表明炉内辊的使用过程的安全性;
Using MATLAB calculation and drawing function , the real-time trends relation curve of the abrasion quantity and the outward surface temperature of the furnace roller and the thermal stress was drawn , and security in using the furnace roller was shown .
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提出了分三个阶段对零件的磨损量进行仿真计算,这能更好地模拟零件的磨损过程和磨损量;基于Matlab语言的射流式冲击器冲击系统仿真计算
The simulating calculation of wear volume should be based on three different stages ; the wear process and volumes will be well simulated hi this way . Interior flow field simulation computation in jet element of fluid efflux hammer with matlab language
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结果表明:滴油润滑条件下,Al2O3基陶瓷的体积磨损量显著降低,但轻、重载荷下摩擦磨损曲线呈现不同规律。
The result shows , the bulk wear of Al2O3 ceramic reduces notably with oil lubrication . But , different regularities are showed through the friction and wear curves under low and heavy loading .
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W以碳化物的形式加入到Fe-Mn-Mo-Cu-C烧结硬化钢基体中,起到了弥散强化的作用,材料的磨损量显著降低。
The wear amount of the materials was remarkably reduced due to the dispersed strength of tungsten carbide that was added into Fe-Mn-Mo-Cu-C sintering-hardened steel .
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试样在添加1.5%钢纤维经1300℃×3h烧成后,其磨损量为4.57cm~31100℃水冷条件下抗热震次数达到20次。
Specimen with 1.5 % steel fibre under 1300 degrees last 3 hours , the wear quantity is 4.57cm ~ 3 and under 1100 degrees thermal shock number reached 20 in water cooling condition .
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有监督线性特征映射(SLFM)网络及刀具磨损量实时估计
A Supervised Linear Feature Mapping Network and Its Application in Tool Wear Estimation
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最后,运用协整建模方法建立起了信号特征与刀具磨损量之间的协整模型,这其中包括单位根检验和Johansen检验等过程。
Finally , the cointegration model is constructed to reflect the relationship of tool wear and signal features by a series procedures such as unit root test and Johansen test .
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5h运转试验后,化学气相沉积封孔处理树脂炭基体的炭/炭复合材料磨损量最大,为0.0025mm。
The wear loss of the tested composite specimen is little , the most of the loss is only 0 . 002 5 mm for the sample with resin carbon matrix after running for 5 h.