VAFEM Technology Knowledge

2023 July the Fourth Week VAFEM Technical Knowledge: Analysis of Common Fault Maintenance and Troubleshooting Methods for Ordinary Lathes

Ordinary lathes are common equipment in the mechanical industry, and their operation involves many technologies, such as motor technology, sensing automation etc., …

2023 July the Third Week VAFEM Technical Knowledge: Lubrication system for reducing wear of subway vehicle wheel rims

Vehicle wheelsets and their wearWheel set is one of the important parts in running gear metro vehicles. Because it bears large static dynamic loads, each component must have …

​ 2023 July the Second Week VAFEM Technical Knowledge: Treatment of Abnormal Sound in the Transmission Shaft of a Light Truck

Abstract: As an important component for transmitting power in a vehicle, the NVH performance of transmission shaft seriously affects vehicle. The article introduces …

2023 July the First Week VAFEM Technical Knowledge: Discussion on Maintenance of CNC Lathe Spindle Faults

Abstract: The mechanical manufacturing industry is one of the main pillar industries a country's national economy. As relatively expensive precision equipment, …

2023 June the Fourth Week VAFEM Technical Knowledge: Application of running gear on-board fault diagnosis system in China Shenzhen Metro

 Abstract: This paper introduces the composition and monitoring principle of running gear on-board fault diagnosis system, through application in China …

2023 June the Third Week VAFEM Technical Knowledge: Early Failure Analysis of Passenger railroad car Bearing NJ3226

Abstract: The early failure of NJ3226 Passenger railroad car bearing with a very small proportion is analyzed, and it considered that the caused by coupling processing …

2023 June the Second Week VAFEM Technical Knowledge: Common faults and diagnostic methods of urban subway vehicles and gearboxes

As one of the important components bogie system, gearbox is used to transmit torque generated by electric motor through coupling and drive wheels, transmitting traction …

2023 June the First Week VAFEM Technical Knowledge: Analysis and treatment of the deviation of the 400 square meters sintering machine trolley of China Laigang

Abstract: Deviation during the operation of sintering machine trolley is a common problem in equipment. By analyzing various reasons for deviation and proposing …

2023 May the Fourth Week VAFEM Technical Knowledge: Precautions for disassembly and maintenance of agricultural vehicle drive axles

1. Composition and function of the drive axleThe axle is composed main reducer, differential, half shaft, housing. Its to transmit engine torque transmitted by universal …

2023 May the Third Week VAFEM Technical Knowledge: Fault analysis of the grounding device for the axle box of Guangzhou Metro Line 1 vehicles

Abstract: Guangzhou Metro Line 1 vehicles have been in use for many years. With the increase of operating mileage, failure rate axle boxes with grounding devices has …

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