Search results for keyword: fastening
Fracture Analysis of Water Pump Clamp
Analysis on Fracture of Submersible Pump Clamp
Submersible pump clamp is an important part of mining machinery, mainly used to ensure the normal operation of mining machinery. The fracture of the submersible pump clamp will cause a lot of trouble on the mining machinery and bring great losses to ......
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Precautions for bearing inspection during operation
Safety measures for bearing inspection of power machinery
In order to ensure the safety of mechanical operation, the bearing inspection of power machinery plays an important role in checking and maintaining the machinery. In order to ensure the safe and reliable operation of machinery, it is nece......
Common Leakage Phenomena and Countermeasures of Water Pump Seals
Pump Sealing Common Leakage Phenomenon and Countermeasures
The application of centrifugal water pump is very common in daily life, and its leakage problem has also become a very concerned problem for many people. Centrifugal water pump leakage mainly includes external leakage and internal leakage......
Precautions for selection and use of bearings
，要求锤炼词汇和语法（有些是自己随机加的，不用考虑）
The selection and use of bearings are very important for the production and operation of all types of machinery and equipment. Selecting the right bearing for a specific application can maximize its performance and reduce the risk of failure. Thi......
bearing noise
Noise from Bearings
Noise from bearings is a common problem in mechanical systems and is a major source of machine failure. Ultimately, bearings create noise due to friction between the rolling elements and raceways as well as due to misalignment. There are many reasons this occurs and depending ......
Replacing the lower support bearing of the door operator by jacking method (4)
Door lift method for replacement of lower bearing of shaft on door machine（IV）
1. Preparation work before replacement
When the bearing position is determined and the bearing model is matched, it is necessary to prepare in advance for the replacement of the bearing at the joint. First of all, ......
Standard test method for torsion-tension relationship of threaded fasteners
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Metric screwed tightening-pulling relation test method standard
Introduction
The metric screwed tightening-pulling relation test method standard is used to determine the external friction generated by the thread screw connection, and the clamping force-pulling force law as a reference to deter......
Changes in clearance of bearings from manufacture to installation to use
，有关轴承从制造到安装到使用，其游隙的变化
Bearings are important components in machines and have been widely used in a variety of applications. From the basic manufacturing process to the installation and operation of bearings, it is of paramount importance to understand the clearance change the b......
Methods and practice of maintenance of electrical equipment of CNC machine tools (2)
2. Maintenance Practice of Electrical Equipment of Numerical Control Machine Tool (Part Two)
2.1 Check the Electrical Terminals
A numerical control machine tool has many electric terminals. These terminals must be inspected regularly to prevent poor electrical contact caused by corrosion or loos......
Methods and practice of maintenance of electrical equipment of CNC machine tools (three
Maintenance Method and Practice of Electrical Equipment of CNC Machine Tools
1 Introduction
CNC machine tools refer to the equipment that uses computer to control the movement track of cutting tools and cutting parameters to obtain the required parts. The automatic control of CNC machine tools g......
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