• Common fault of hydraulic system-hole phenomenon

    Phenomenon: if the hydraulic system is permeated with air, the bubbles in the liquid will rapidly burst under the action of high pressure as the liquid flow moves to the area with high pressure, causi

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  • Other common faults of hydraulic system

    Hydraulic impactCause: actuator reversing and valve closing cause transient pressure peak of flowing liquid due to inertia and some hydraulic components, which do not react sensitively enough,&nb

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  • Common faults of hydraulic system

    The pressure loss. Due to the viscosity of the liquid, there is inevitable friction in the flow of the pipeline, so the liquid must lose some energy in the flow process. This part of energy loss mainl

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  • The hydraulic system structure

    The hydraulic system consists of two parts: signal control and hydraulic power. The signal control part is used to drive the control valve in the hydraulic power part.The hydraulic power part is repre

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  • Hydraulic system

    The hydraulic system works by changing the pressure to increase the force. A complete hydraulic system consists of five parts, including power component, executive component, control component, a

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  • The basic requirements of electric drive system for battery

    1. High energy density. Any electric drive device wants to choose batteries with large capacity, light weight and small size. This is because the batteries that meet these conditions can make the elec

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  • Electric drive system features

    1. High energy conversion efficiency. Motor is an isothermal electric drive system of execution unit. Its energy conversion efficiency generally can reach 75% ~ 75%. It was much higher than

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  • The main content of electric drive system

    Electric drive system includes motor, motor controller and drive mechanism. Some electric cars can be driven directly by an electric motor. Electric vehicle electric drive mode can be divided into mot

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  • Electric drive system

    According to the composition and arrangement of electric drive system, electric vehicles can be divided into four types: mechanical transmission type, non-variable transmission type, non-differential

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  • Paying attention to the problem for cylindrical roller bearings

    Vibration aspect. In daily use, vibration is very sensitive to the damage of bearing. Peeling, indentation, rust, crack, wear and so on will be reflected in the vibration measurement of bearing. There

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  • The method to adjust the radial clearance of full cylindrical roller bearings

    1. For the side gaps of cylindrical and elliptical bearing tiles, manual grinding or scraping method can be adopted to adjust the side gaps after cutting the surface in the bearing.2. For the top clea

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  • Radial clearance of cylindrical roller bearings

    The cylindrical roller bearings are selected quickly, easily and automatically. The combined radial load on the fixed load is exposed to from the local ring raceway fixing ring and tran

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  • Four columns bearing

    Four rows of cylindrical roller bearings are mainly used in cold and hot rolling mills, blanking machines and other rolling mill machinery. The bearings are separated structur. Bearing rings

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  • Double row bearings

    Double row cylindrical roller bearing has cylindrical internal hole and conical internal hole (bearing postcode plus K) for two structures. This kind of bearing has the advantages of compact stru

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  • Single bearing

    N, NU typeThe outer ring of type N bearing has no side, and the inner ring has side side. Displacement of the shaft relative to the bearing seat in both axial and axial directions may be allowed. The

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  • The type of cylindrical roller bearing

    The cylindrical roller bearing belongs to the separated type bearing, which is very convenient to install and disassemble. Cylindrical roller bearings can withstand large radial loads and are suitable

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  • The characteristics of cylindrical roller bearings

    1. The roller is in line contact or under line contact with the raceway, which has large radial bearing capacity and is suitable for bearing heavy load and impact load.2. Friction coefficient&nbs

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  • Cylindrical roller bearing

    The rolling body is the centripetal rolling bearing of a cylindrical roller. The internal structure of cylindrical roller bearing by roller are arranged 90 ° vertically cross each other (this is also

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  • Bevel gear milling machine

    With extended spiral bevel gear milling cutter disk, or double cutter body combined end face milling cutter disk, a machine tool is used for continuous dividing gear cutting by spreadin

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  • Wheel gear milling machine

    Using two interlaced milling cutter disk, and milling the left and right sides of the same tooth groove according to the spread method. The production efficiency is higher, which is suitable for

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