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高压油管压力信号处理单元还输出一路信号到另一电流表头,可The high pressure oil pipe pressure signal processing unit also outputs one signal to another current meter, which can实现油管内压力波各点压力值的直接渎数指示。To realize the direct indication of the pressure value at each point of the pressure wdd

  • 产品单价: 68.00元/条
  • 品牌:

    /

  • 产地:

    天津

  • 产品类别:库存服装
  • 有效期:

    长期有效

  • 发布时间:

    2020-07-02 07:35

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  • 产品详情

产品参数

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所在地:

天津

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有效期至:

长期有效

详情介绍

高压油管压力信号处理单元还输出一路信号到另一电流表头,可

The high pressure oil pipe pressure signal processing unit also outputs one signal to another current meter, which can

实现油管内压力波各点压力值的直接渎数指示。

To realize the direct indication of the pressure value at each point of the pressure wdde in the tubing.

压力信号处理单元送入示波管显示的压力波形经选择可分别

The pressure wddeform sent to the oscilloscope by the pressure signal processing unit can be respectively

检查燃油中是否掺有空气,检测燃油泵工作是否正常,检测无空气管

Check whether there is air in the fuel, check whether the fuel pump works normally, and check whether there is no air pipe

路压力,检测空气燃油控制器的灵敏变实检测涡轮增压器的灵敏度,

Road pressure, sensitivity of air fuel controller, sensitivity of turbocharger,

检测各缸功率的一致性,检测各缸压缩功(气密性)的一致性,检测发

Check the power cddistency of each cylinder, check the compression power (air tightness) cddistency of each cylinder, and check the power of each cylinder

动机加速能力,检测燃油泵油门是否泄漏;检测压缩泵气密性,检测

Acceleration ability of the engine, check whether the throttle of the fuel pump leaks; check the air tightness of the compression pump, check

空气滤清器是否堵塞,进行润滑系试验,检查冷却系效能。第六节

Check whether the air filter is blocked, carry out the lubrication system test and check the cooling system efficiency. Section 6

在用润滑油监测

In use lubricating oil monitoring

发动机中润滑油含有各个运动摩擦面产生的金属磨粒,对之进行

The lubricating oil in the engine contains the metal abrasive particles produced by each moving friction surface

分析就可以监测各摩擦部位的磨损过程,从而判断发动机的技术状态

The analysis can monitor the wear process of each friction part, so as to judge the technical status of the engine

,预测摩擦副的寿命。对油样进行光谱(原子吸收光谱或发射光谱)分

The life of friction pair is predicted. Spectroscopic (atomic absorption or emission) analysis of oil samples

析可以测知润滑油中各种微量金属元素的浓度,而铁谱分析则可以考

The concentration of various trace metal elements in lubricating oil can be determined by analysis, while ferrography analysis can

察润滑油中各种金属磨粒的形态、尺寸、数量和粒度分布情况,借助

Observe the shape, size, quantity and particle size distribution of various metal abrasive particles in the lubricating oil

扫描电子显微镜的X射线能谱分析系统还可以判定磨粒化学成分,为分

The X-ray energy spectrum analysis system of scanning electron microscope can also determine the chemical composition of abrasive particles

析磨损过程及其机理提供可靠依据。

The analysis of wear process and its mechanism provides a reliable basis.

通过铁谱技术在对一卡车柴油发动机的油样监测中,在铁谱片上

In the oil sample monitoring of a truck diesel engine by ferrography, on the Ferrograph

发现有一定厚度的疲劳剥块磨粒,并且磨粒局部表面呈现有黑色氧化

It is found that there is a certain thickness of fatigue flaking abrasive particles, and the local surface of the abrasive particles shows black oxidation

物。经对铁谱片加热至330℃,确定出这类磨粒的材料主要是低合金钢

Things. After heating the Ferrograph to 330 ℃, it is determined that the main material of this kind of abrasive is low alloy steel

,因为它们呈蓝色回火色。而呈草黄回火色的铸铁磨粒数量极少。对

Because they're blue. However, the amount of iron abrasive grains with straw yellow color is very small. Yes

该柴油机油样的进一步监测,还发现有大尺寸的钢质切削磨损磨粒。

The further monitoring of the diesel engine oil sample also found that there were large-scale steel cutting wear particles.

这些磨粒信息的出现,说明一种严重的非正常磨损型式正在发生,结

The appearance of these abrasive information indicates that a serious abnormal wear pattern is occurring

果不足两个月,该柴油发动机的曲轴便发生了断裂。

Less than two months later, the crankshaft of the diesel engine broke.

柴油机的腐蚀磨损产生的磨粒,其特征是磨粒尺寸极为细小,大

The abrasive particles produced by corrosion and wear of diesel engine are characterized by extremely small and large abrasive particles

部分颗粒为亚微米级;并表现出弱磁性,在铁谱片上它们常常是极其

Some of the particles are submicron; they are weakly magnetic, and they are often extremely

密集地沉积在铁谱片的入口端和出口端。鉴于柴油机腐蚀磨损磨粒的

It is deposited intensively at the entrance and exit of the Ferrograph. In view of the corrosion and wear of diesel engine

这些特征,使之铁谱技术成为柴油机在不解体、不停车情况下监测其

These characteristics make ferrography technology to monitor diesel engine without disassembling or stopping

腐蚀磨损发生的最有效、最简便的技术。

The most effective and simple technology for corrosion and wear.

通过铁谱技术分析,还能有效识别柴油机中的有色金属磨粒,进

Through the analysis of ferrography technology, it can effectively identify the non-ferrous metal abrasive particles in diesel engine

而可以确定有色金属磨粒的来源及其磨损零件与磨损部位。柴油机在

It can be used to determine the source of non-ferrous wear particles and the wear parts and parts. Diesel engine in

工作时,极易发生磨损的区域有两处,一处是由缸套、活塞和活塞环

When working, there are two areas prone to wear, one is the cylinder liner, piston and piston ring

构成的高温摩擦区;另一处就是曲轴、轴承摩擦副。由于曲轴是采用

The other is the friction pair of crankshaft and bearing. Because the crankshaft is

钢材料来制作的,而缸套和活塞环一般是用铸铁和铬合金制造,活塞

The cylinder liner and piston ring are generally made of cast iron and chromium alloy

是采用铝、硅合金制作,滑动轴承较多是用锡磷青铜等材料制造,因

It is made of aluminum and silicon alloy, and the sliding bearing is mostly made of Tin Phosphorus Bronze and other materials

而通过铁谱技术监测极易实现对这些磨粒的鉴别和确认。

It is easy to identify and confirm these abrasive particles by ferrography monitoring.

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