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Nouveaux posts
  • heattreatmentlist
    18 nov. 2020
    Features of high pressure reciprocating pump
    Discussion 
    1. The discharge pressure of high-pressure reciprocating pump has nothing to do with structure size and speed. The discharge pressure depends only on the power, strength and sealing function of the pump itself. The flow rate of motor reciprocating pump has nothing to do with the discharge pressure, but when the pressure is high, the flow rate of the pump will change slightly due to the gas dissolved in the liquid and the leakage of valve and packing. Therefore, the reciprocating pump can not adjust the flow by closing the outlet valve. When the discharge valve is closed, the fluctuation of discharge pressure will lead to motor overload or pump damage. Related products: China Electric Hoist,Electric rope hoist chain hoist,Trolley,Overhead Crane
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  • heattreatmentlist
    18 nov. 2020
    Positive displacement vacuum pump
    Discussion 
    Positive displacement vacuum pump Claw vacuum pump is not only a kind of positive displacement vacuum pump, but also a dry vacuum pump.Claw vacuum pump, like roots vacuum pump and screw vacuum pump, is a non-contact dry vacuum pump. In general, in order to achieve a certain compression ratio, rotational speed and dynamic balance, claw vacuum pump is usually composed of multi-stage claw rotor in series or roots rotor and multi-stage claw rotor in series. At present, three-stage claw rotor and one-stage roots rotor are commonly used, or four-stage claw rotor is connected in series. The performance of roots plus claw type is generally better than that of claw type vacuum pump.In multi-stage claw vacuum pump, according to the form of rotor, phase difference and diaphragm, it can be divided into spiral type, anti claw type and spiral anti claw type, and their performance is also different.For claw type vacuum energy, the higher the rotating speed, the greater the compression ratio. In general, the speed of claw vacuum pump is 3000r / min, and the limit pressure is 1-10pa.Industrial craneRoots BlowersRoots Vacuum Pump
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  • heattreatmentlist
    17 nov. 2020
    Analysis and research on noise reduction of axial piston pump
    Discussion 
    The noise of plunger pump is analyzed and divided into human factors and non-human factors. Taking CY14-1B axial piston pump as an example, the working principle is analyzed first, and then the factors causing noise are found out. Finally, some targeted measures are proposed to reduce noise.Status and classification of hydraulic pumpsMechanical transmission, electrical transmission, hydraulic transmission and pneumatic transmission are commonly used in industry at present. Hydraulic transmission is widely used in all kinds of construction machinery because of its high working pressure, transmission power and the weight of the actuator is relatively large, can be continuously variable and so on. And hydraulic transmission in a very important energy conversion element - hydraulic pump, is widely used.Hydraulic pump, as the power unit in the hydraulic system, plays a vital role in the hydraulic system. According to the type can be divided into blade pump, gear pump, plunger pump, screw pump. Among them, the plunger pump is a common, but also widely used high pressure pump, the noise reduction of the plunger pump this problem, there are many scholars and experts are studying. Related products: Liquid Ring Vacuum Pump Vacuum Pump Heat Treatment Guide,Heat Treatment Equipment
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