Three-Cylinder Plunger Pump: An Introduction to the Three-Cylinder Plunger Pump

Release Date:

2021-10-28 10:06

Source:

Three-cylinder plunger pump The motor has There are three primary friction pairs: the slider and swashplate, the port plate and cylinder block, and the piston and cylinder bore surface. These pairs must ensure a tight seal while minimizing wear.
The slipper contacts the swashplate in a floating, non-contact electrostatic discharge configuration, thereby creating a high-pressure oil film—10 to 30 mm thick—within the plunger chamber between the slipper and the swashplate. This liquid-pressure–borne plunger load eliminates direct metal-to-metal contact and thus prevents wear. The valve plate–cylinder friction pair operates under static conditions with dynamic load distribution. The plunger–cylinder bore friction pair is of a non-static pressure-relief type, with the plunger rod executing linear reciprocating motion within the cylinder bore.
Three-cylinder plunger pump In the axial damping hole diameter At the center of d, a portion of the pressurized oil generated by the plunger is directed into the oil chamber at the shoe end, increasing the oil film thickness in the vicinity of H and thereby generating a vertical force—traction force F—acting on the slider surface. The magnitude of F depends on the dimensions of the shoes R1 and R2, and its direction is such that it acts against the pressing force F and the inclined plane of the slider on the swashplate, rather than in the direction of the pressing force F.

When Three-cylinder plunger pump During operation, the plunger is forced to move up and down under the action of the cam on the fuel pump camshaft and the plunger spring, thereby accomplishing the pumping function.

Three-cylinder plunger pump It consists mainly of four parts. The metering pump, oil-adjusting mechanism, transmission assembly, and pump housing are all controlled by microprocessor-based intelligent technology and feature an LCD display. They can communicate with computer systems and offer key advantages such as stable operating pressure, minimal pulsation, and simple, convenient operation. These pumps are widely used in the biochemical, pharmaceutical, chemical, and environmental protection industries, meeting the need for continuous, constant-pressure, and constant-flow liquid delivery required by these sectors.

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