Rexroth Rexroth pump 0510325008 in stock for sale

Rexroth Rexroth pump 0510325008 in stock for sale

Rexroth AZPF in stock Rexroth AZPW in stock Rexroth AZPG in stock

Hailike supplies Rexroth Rexroth 0510325008 high-performance internal gear pump, in stock, in stock, in stock.Rexroth Rexroth pump 0510325008 in stock for sale.

Feature:

1. Consistently high quality based on mass production

2. Long service life

3. High load sliding bearings

4. Based on the solution determined by SAE or ISO customer Z

5. Pipeline ports: connecting flanges or threads

6. Combination of multiple pumps

F platform

Fixed displacement

Size 4... 28

Continuous pressure up to 250 bar

Intermittent pressure up to 280 bar

General Information

The central task of external gear pumps is to convert mechanical energy (torque and speed) into hydraulic energy (flow and pressure). In order to reduce heat loss, Rexroth's external gear mechanism provides very high efficiency. They are achieved through pressure dependent gap sealing and high-precision production technology. The Rexroth external gear pump has four frame sizes: platform B, F, N, and G. Within each platform, different gear widths can achieve different displacements. Pumps are available in standard, high-performance, silent, and silent enhanced versions. Further configuration variables are provided by different flange, shaft, valve arrangements, and multiple pump combinations.

construction

The external gear pump is basically composed of a pair of gears, which are supported by bearing bushings, and the housing has a front cover and a rear cover. The drive shaft extends from the front cover and is usually sealed by a shaft sealing ring. The bearing force is absorbed by sliding bearings. These are designed for high pressure and have good dry running performance, especially at low speeds. The gear has 12 teeth. This keeps flow pulsation and noise emissions at a low limit.

The internal sealing of the pressure chamber is achieved by manipulating pressure related forces. This ensures optimal efficiency for Z. On the outer surface, the movable bearing liner is pressurized by the working pressure and acts as a seal on the gear. Special sealing forms the boundary of the compressed area. The radial seal between the gear tip and the housing is provided by a small possible gap Z, which depends on the pressure between the gear and the housing.

Gear pump with integrated valve:

To reduce the complexity of the pipeline, a flow control valve or pressure reducing valve can be integrated into the gear pump cover. For example, this solution is used for hydraulic oil supply in power steering systems. The pump provides a constant flow rate or Z-high pressure, independent of the rotational speed. The residual flow is either returned internally to the suction port or distributed externally to other users.

In stock Rexroth gear pump 0510325008 supply for Lux Lego performance external gear pump ordering code:

1. External gear pump: code AZP.

2. Series: High performance, F-platform, code F.

3. Standard bearing code 1, reinforced bearing code 2.

4. Phosphating, fixed code 1, anti-corrosion, fixed 1) code 2.

5. Size: Geometric displacement Vg [cm3], see "Technical Data": code 004005008011014016019022025028.

6. From the perspective of the drive shaft: clockwise rotation code R, counterclockwise rotation code L.

7. Transmission shaft: codes C, S, H, N, R, P, F, Q, A,

8. Cover: Code B, O, R, C, M, L, P, N, T, A, G

9. Line connection: Code 01, 50, 12, 20, 30.

10. Sealing materials: NBR (ding nitrile rubber) code M, fluororubber code P, NBR (ding nitrile rubber), FKM (fluororubber) shaft seal code K.

11. Rear cover: codes B, T, D, E, S, V.

12. Valve setting pressure reducing valve (parameters only apply to the back cover with pressure reducing valve):

No pressure relief valve: Code XXX

Burst pressure (bar), 3-digit, e.g. 180 bar: code 180

13. Valve setting flow control valve (parameters only apply to the back cover with flow control valve):

Without flow control valve: code XX

The flow unit is l/min, two digits, for example 9 l/min: code 09

14. Special Version: Special Version 1) Code Sxxx

Hydraulic oil:

The external gear device is designed according to DIN 51524, 1-3 and is used for the use of HLP mineral oil. However, under higher loads, Bosch Rexroth recommends meeting at least the HLP of DIN 51524 Part 2. For application instructions and requirements regarding the selection of hydraulic oil and performance, please refer to the following data sheet.

AZPF-11-008RAB01MB 0510425044 Working principle of Rexroth AZPF external gear pump:

The concept of a gear pump is very simple. Its basic form is that two gears of the same size mesh and rotate with each other in a tightly fitting housing. The interior of this housing is similar to an "8" shape, with two gears installed inside. The outer diameter and sides of the gears are tightly fitted with the housing. The material from the extruder enters the space between two gears at the suction port and fills it. It moves along the shell with the rotation of the teeth and is discharged when the two teeth mesh.

In terms of terminology, a gear pump is also known as a positive displacement device, which is like a piston in a cylinder. When one tooth enters the fluid space of another tooth, because the liquid is incompressible, the liquid and the tooth cannot occupy the same space at the same time, so the liquid is mechanically squeezed out. Due to the continuous meshing of the teeth, this phenomenon occurs continuously, thus providing a continuous discharge at the pump outlet. The amount discharged is the same for each rotation of the pump. As the drive shaft rotates continuously, the pump also continuously discharges fluid. The flow rate of a pump is directly related to its rotational speed.

In fact, there is a small amount of fluid loss inside the pump because these fluids are used to lubricate the bearings and gears on both sides, and the pump body cannot fit without clearance, so it is impossible to discharge the fluid 100% from the outlet. Therefore, a small amount of fluid loss is inevitable, which makes the operating efficiency of the pump unable to reach 100%. However, the pump can still operate well and achieve an efficiency of 93% to 98% for most extruded materials.

Working principle of gear pump: Gear pump is a rotary pump that relies on the change and movement of the working volume formed between the pump cylinder and the meshing gear to transport liquid or increase its pressure. Two enclosed spaces are composed of two gears, a pump body, and front and rear covers. When the gears rotate, the volume of the space on the disengagement side of the gears increases from small to large, forming a vacuum that sucks in the liquid. The volume of the space on the meshing side of the gears decreases from large to small, and the liquid is squeezed into the pipeline. The suction chamber and the discharge chamber are separated by the meshing line of two gears. The pressure at the discharge outlet of the gear pump is fullIt depends on the magnitude of the resistance at the pump outlet. The concept of a gear pump is very simple, and its most basic form is two gears of the same size meshing and rotating with each other in a tightly fitting housing. The interior of this housing is similar to an "8" shape, with two gears installed inside. The outer diameter and sides of the gears are tightly fitted with the housing. The material from the extruder enters the space between two gears at the suction port and fills it. It moves along the shell with the rotation of the teeth and is finally discharged when the two teeth mesh.

The gear pump is driven by an independent motor, which can effectively block upstream pressure pulsation and flow fluctuations. The pressure pulsation at the outlet of the gear pump can be controlled within 1%. Using a gear pump on the extrusion production line can increase the flow output speed, reduce material shear and residence time in the extruder.

External gear pump is a widely used type of gear pump, usually referred to as an external gear pump. Its structure is shown in Figure 1, mainly composed of a driving gear, a driven gear, a pump body, a pump cover, and a safety valve. The sealed space formed by the pump body, pump cover, and gear is the working chamber of the gear pump. The axles of the two gears are respectively installed in the bearing holes on the two pump covers, and the driving gear shaft extends out of the pump body and is driven to rotate by the electric motor. The external gear pump has a simple structure, light weight, low cost, reliable operation, and wide application range.

When the gear pump is working, the driving wheel rotates together with the electric motor and drives the driven wheel to rotate accordingly. When the meshing teeth on one side of the suction chamber gradually separate, the volume of the suction chamber increases, the pressure decreases, and the liquid in the suction tube is sucked into the pump; The inhaled liquid is divided into two paths and pushed into the discharge chamber by the gear in the tooth groove. After the liquid enters the discharge chamber, due to the continuous meshing of the teeth of the two gears, the liquid is squeezed and enters the discharge pipe from the discharge chamber. The driving gear and the driven gear continuously rotate, allowing the pump to continuously suck in and discharge liquid.

The pump body is equipped with a safety valve. When the discharge pressure exceeds the specified pressure, the conveying liquid can automatically open the safety valve, allowing the high-pressure liquid to return to the suction pipe.

An internal gear pump consists of a pair of meshing internal gears and a crescent shaped component, pump casing, etc. in between. The function of the crescent shaped component is to separate the suction chamber from the discharge chamber. When the driving gear rotates, a local vacuum is formed at the place where the gear disengages, and the liquid is sucked into the pump to fill the teeth of the suction chamber. Then, it enters the discharge chamber in two paths along the inner and outer sides of the crescent shaped part. At the meshing point of the gear teeth, the liquid present between the teeth is squeezed and sent into the discharge pipe.

Gear pumps have the characteristics of self-priming ability, independent flow rate and discharge pressure, and no suction valve or discharge valve on the pump casing. They have a simple structure, uniform flow rate, and reliable operation. However, they have low efficiency, high noise and vibration, and are prone to wear. They are mainly used to transport various oils that are non corrosive, non solid particles, and have lubricating ability. The temperature generally does not exceed 70 ℃, such as lubricating oil, edible vegetable oil, etc. The general flow range is 0.045-30ms/h, the pressure range is 0.7-20MPa, and the working speed is 1200-4000r/min.

Rexroth Rexroth pump 0510325008 in stock for sale

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Rexroth Rexroth pump 0510325008 in stock for sale