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| 2023 July 3rd Week Epen News Recommendation - NSK Provides Bearing Data in KISSsoft 2023 Release
NSK started its journey manufacturing the first ball bearings in Japan in 1916. With over 100 years of excellence in engineering, manufacturing, and service, NS
| 2023 July the Second Week Epen Technical Knowledge: Design Improvement and Process of Radial Thrust
Abstract: Radial thrust sliding bearings bear the radial force and axial thrust of the rotor respectively. This article focuses on the design improvement of a t
| 2023 July 2nd Week Epen News Recommendation - MIBA relies on EMCO for process machining of plain be
Sustainability in energy production
Wind power has become more socially relevant in recent years, and it contributes significantly to energy transition. How
| 2023 July the First Week Epen Technical Knowledge: Application examples of sliding bearings
Classification of sliding bearings: plastic bearings, graphite bearings, electromagnetic bearings, hydrodynamic bearings, gemstone bearings, gas bearings, etc.
| 2023 June 5th Week Epen News Recommendation - Focus on precision: Schaeffler showcases high-quality
Schaeffler presents its complete range of precision strain wave gears and precision planetary gearboxesPremiere: Modular and customized precision drives for ind
| 2023 June the Fourth Week Epen Technical Knowledge: Characteristics and Selection of Automotive Slid
Abstract: In order to improve the repair quality of diesel engines and do a good job in the selection and repair of sliding bearings, this article provides a de
| 2023 June 4th Week Epen News Recommendation - SKF signs EUR 800 million multicurrency revolving cred
SKF has successfully signed a EUR 800 million multicurrency revolving credit facility.Thefacility has a tenor of five years with two one-year extension options,
| 2023 June the Third Week Epen Technical Knowledge: Treatment of Oil Leakage in Sliding Bearings of H
In practical use, high-pressure motors with thin oil lubricated end cap sliding bearings often experience oil leakage even if the oil supply pressure is guarant
| 2023 June 3rd Week Epen News Recommendation - Low-friction bearings reduce energy losses in free-str
A hydro turbine company based in Portland, Maine, USA, has chosen Vesconite Bearings’ lowest-friction material for the thrust bearings on its free-stream turbines. The material, Vesconite Superlube, has one of the lowest coefficients of friction of any plain bearing material available, with a coefficient of friction lower than virgin PTFE (polytetrafluoroethylene).
| 2023 June the Second Week Epen Technical Knowledge: Various factors affecting the lubricating oil
Explores various factors that affect the lubricating oil film of low-speed and heavy-duty sliding bearings, studies and analyzes the main lubrication problems in domestic engineering operations, analyzes and discusses the factors that cause poor lubrication, and proposes effective solutions.
| 2023 June the First Week Epen Technical Knowledge: Design and Application of Sealing Structure and C
A maze structure is designed between the stirring blade seat of the bottom cold air layer of the desolver and the inner retaining ring on the cylinder bottom to seal the meal powder that leaks due to the rolling of the stirring blade and gravity. The sliding bearing and steel sleeve have been designed as a clamp split structure, making it convenient and fast to adjust and replace the sliding bearing of the dissolution machine.
| 2023 May the Fourth Week Epen Technical Knowledge: Reason Analysis and Preventive Measures for Slidi
Sliding bearing is a very important component of blast furnace blower unit, and improper installation, maintenance, and operation may cause sliding bearing failure. This article mainly discusses the reasons for the failure of the sliding bearing of the blast furnace blower unit, and proposes preventive measures that should be taken during installation, maintenance, and operation.
| 2023 May the Third Week Epen Technical Knowledge: Several Key Points on Improving the Assembly Qual
The assembly quality of sliding bearings will directly affect the service life of diesel engines. Therefore, when repairing diesel engines, attention should be paid to several issues related to the assembly quality of bearings, such as the tightness of the bearing steel back in the seat hole, the pre tightness of the bearing cover bolts, and the inspection of the bearing's protrusion in the seat hole.
| 2023 May the First Week Epen Technical Knowledge: Installation and maintenance of sliding bearings f
The 1 #, 2 #, and 3 # oil transfer pumps at Xingang Station of Dalian Company are multi-stage horizontal split pumps, with pump model KDY790-77 × 3. The pump main bearing is a sliding bearing (TFH75-04/05), and is equipped with angular contact ball bearing to balance the residual axial force. Sliding bearings have stable, reliable, and noise free operation. Under liquid lubrication conditions, the sliding surface is separated by the lubricating oil without direct contact, which can greatly reduce friction loss and surface wear. The oil film also has a certain degree of vibration absorption ability. However, sliding bearings require high installation accuracy, and incorrect installation can cause problems such as bearing heating and vibration. Therefore, how to install and maintain the sliding bearings correctly is the key to the normal operation of the oil pump.
| 2023 April the Fourth Week Epen Technical Knowledge: Application and Maintenance of Sliding Bearings
There are many types of bearings, which can be roughly divided into two categories: rolling bearings; One type is sliding bearings, which are widely used in mine hoists due to their high load-bearing capacity, significant impact resistance and shock absorption effects, low manufacturing cost, and easy disassembly. By analyzing the bearing force and working principle of the sliding shaft of the main and auxiliary shaft gearbox, the cause of bearing damage was found, and corresponding improvement measures were taken. To strengthen the use and maintenance of bearings, so that the sliding bearings of large equipment can operate reliably and stably, and achieve the goal of extending the service life of the sliding bearings.
| 2023 April the Third Week Epen Technical Knowledge: What is the general clearance of sliding bearing
The clearance of sliding bearings is generally 0.01 to 0.02 millimeters. The value range of the sliding bearing clearance is determined according to the accuracy of the parts it is used. For example, the precision of the grinding machine fitting with the main bearing of the lathe indexing head is H7/g6, and the precision of the bearing fitting for agricultural machinery is H11/d11.
| 2023 April the Second Week Epen Technical Knowledge: Scraping and Grinding Technical Requirements an
With the development of market economy and the implementation of national energy policies, equipment in industries such as mining, cement, steel, and electric power are developing towards large-scale, and the demand for large motors is also increasing. Large motor bearings are mostly split radial sliding bearings, mainly made of babbitt alloy. During assembly, scraping and grinding methods are generally used to meet the accuracy requirements and ensure its performance. Therefore, the quality of grinding is crucial to the normal operation of the motor, and directly affects the service life of the motor. The scraping and grinding quality is poor, and it is easy to cause the bearing bush to develop from partial adhesion damage to most adhesion damage in a very short period of time during the motor test run, until the bearing bush cannot be used due to shaft burning. Therefore, when scraping and grinding the bearing shells, they are all operated by experienced bench workers.
| 2023 March the Fourth Week Epen Technical Knowledge: Characteristics of sliding bearing materials
The effective operation or failure of sliding bearings is closely related to the selection of load, speed, lubricating oil, and bearing geometric parameters. However, the reasonable selection of sliding bearing materials will play a decisive role in the exertion of sliding bearing capabilities. Damage to antifriction materials for sliding bearings can cause damage to related parts, so sliding bearing materials should have good wear resistance, corrosion resistance, fatigue resistance, and pollution resistance.

| 2023 March the Third Week Epen Technical Knowledge: Wear failure analysis of hoist sliding bearing
The continuous progress of science and technology has promoted the emergence and gradual application of a new type of mine hoist with rolling bearings. However, sliding bearings are still widely used in mine construction due to their more stable service life and higher transmission accuracy. However, the configuration of the sliding bearing hoist is relatively difficult, and the maintenance conditions are relatively high. Among them, the wear and failure of the sliding bearing of the hoist is one of the problems that should be focused on in coal mining. Therefore, the paper analyzes the wear failure of the elevator sliding bearing, and puts forward corresponding adjustment measures, in order to provide effective reference for the use efficiency of the elevator sliding bearing type.
| 2023 February the Fourth Week Epen Technical Knowledge: Application of oil monitoring -- fault diagn
Sliding bearing, which works under sliding friction. The sliding bearing works stably, reliably and noiseless. Under the condition of liquid lubrication, the sliding surface is separated by the lubricating oil without direct contact, which can also greatly reduce the friction loss and surface wear. The oil film also has a certain vibration absorption capacity, but the starting friction resistance is large.
| 2023 February the Third Week Epen Technical Knowledge: Assembly methods and technical requirements o
Sliding bearing is a kind of bearing with sliding friction property, which is characterized by stable operation, low reliability and noise, and can withstand heavy load and large impact load. It can be divided into integral type, split type and tile type according to different structural forms.
| 2023 February the Second Week Epen Technical Knowledge: The wear and maintenance of sliding guide is
The guide is a device to prevent the deflection of the lift car and counterweight when they move up and down to ensure the smooth operation of the elevator. The guides are installed on the car and counterweight device, and the car guides are installed on the top beam of the car and the bottom of the car. A total of four sets of counterweight guides are installed on the top and bottom of the counterweight frame. During operation, the concave groove (or roller) of the guide is matched with the convex working surface of the guide rail, so that the car and counterweight device only move up and down along the working surface of the guide rail to prevent the car and counterweight device from deflecting or swinging during operation.
| 2023 January The Fifth Week Epen Technical Knowledge: Vibration diagnosis technology of sliding bear
1 Vibration classification of sliding bearingThe vibration of sliding bearing can be divided into two forms according to its mechanism:One is forced vibration,
| 2023 January 3rd Week Epen News Recommendation - Bearing solutions from Schaeffler now available f
Schaeffler Automotive Aftermarket completes product portfolio for tractors and agricultural machineryFAG branded bearing solutions now available in addition to
| 2023 January 2nd Week Epen News Recommendation - Thordon Bearings Appoints CPE As Its Authorized Dis
Corrosion Products & Equipment (CPE), a specialist engineering firm based in Rochester, New York State, has been appointed as an authorized distributor and s

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