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2019国内机械行业发展现状分析
工程机械行业是中国的朝阳产业。该行业的生产集中度、准入难度相对较大，未来工程机械市场需要必将向高端、智能化方向发展，行业运行也将越来越规范，每年都有很多人希望能够加入到这个行业当中，但是更多的人对机械产业却没有深入的了解，也不知道从何了解，而参加机械展就是一个非常好的机会。 近年来，作为中国装备制造产业最重要的组成部分，中国工程机械
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The ways of achieving co-use for aligning roller bearings
1. Electric heating plate bearing heating method. It is placed on the electric hot plate temperature of 100 ℃ for a few minutes. This method is most convenient, such as reversing i
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Paying attention to the problem of aligning roller bearings
The load force of the roller bearing is carried out at room temperature, but it is in the working state. The drive shaft caused by the rise of the system micro-tensile temperature will change the load
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The clearance of aligning roller bearings
The mounting axial clearance of the aligning roller bearings can be adjusted by adjusting the adjusting nut on the journal, thread in the adjusting spacer and bore, or adjust with preload sp
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The installation of aligning roller bearing
The aligning roller bearing is equipped with a roller bearing. The curvature center of the outer ring raceway surface is consistent with the bearing center, so it has the same central function as the
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The basic parameters and applications of aligning roller bearing
The aligning roller bearing has two lines of symmetrical spherical roller. The outer ring has a common spherical raceway, and the inner ring has two inclined ones with the bearing axis. Angle of
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Aligning roller bearing
The aligning roller bearing is a ball bearing with a drum roller between the inner ring with two raceways and the outer ring with a spherical raceway. The aligning roller bearing has two rows of rolle
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Other matters needing attention of hydraulic system
If the actuator has the requirement of speed regulation, it should meet the requirement of speed regulation and reduce power loss as far as possible when selecting the speed regulation loop. Common sp
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Some matters needing attention of hydraulic system
A mechanical common sense should be known that energy can convert each other. Applying this knowledge to the hydraulic system to explain the power loss of hydraulic syste
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Other control scheme for hydraulic system leakage control
Solution 1: reducing the wear of moving sealMost of the movable sealing parts are precisely designed. If the movable sealing parts are qualified in processing, correctly installed and properly us
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Some control scheme for hydraulic system leakage control
Option 1: solution to design and manufacture defects1. The choice of external matching of hydraulic components often plays a decisive role in the leakage of hydraulic system, which decides o
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Hydraulic system maintenance
A system is generally rinsed before formal input. The purpose of rinsing is to remove the contaminants, metal scraps, fiber compounds, iron cores, etc. that remain in the system. In the first two hour
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Types and sources of contaminants
Pollutants are substances that harm the system in the oil of the hydraulic system. They exist in different forms in the oil, and can be divided into solid pollutants, liquid pollutants and gaseous pol
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Maintenance of hydraulic system
The stand or fall of a hydraulic system depends not only on the performance of the rationality of the system design and system component, also pollution prevention and treatment in the system. Th
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The conclusion of parameter measurement
Parameter measurement method is a practical and new method for fault diagnosis of hydraulic system. It combines with logic analysis method and greatly improves the speed and accuracy of fault diagnosi
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Principle and method of parameter measurement
As long as the operating parameters at any point required in the hydraulic system loop are measured and compared with the normal value of the system, it can be judged whether the operating parame
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Fault diagnosis system based on parameter measurement
Whether a hydraulic system works normally, it depends on two main operating parameters that whether the pressure and flow are in normal working state, and whether the system temperature
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The traditional method to find faults of hydraulic system
It is logical analysis which is gradually close to break. The basic idea is comprehensive analysis and condition judgment. That is to say, maintenance personnel determine the cause of failur
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General principles of fault diagnosis for hydraulic system
Correct analysis of fault is the premise of troubleshooting. Most system faults do not occur suddenly, and there is always a warning before the occurrence. When the warning develops to a certain
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Fault diagnosis of hydraulic transmission system
Hydraulic transmission system has been widely used in various fields due to its unique advantages, which has extensive process adaptability, excellent control performance and lower cost. Because&
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