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China supplier Original CZPT A8vo107 Hydraulic Piston Pump for Compaction Machinery comer pto shaft

Product Description

Rexroth hydraulic piston pump   A8VO107 with Good Quality Made in ZheJiang

 

Rexroth A8VO200 Hydraulic Piston Pump 

Product Description

 Variable double pump A8VO with 2 axial tapered piston rotary groups of bent-axis design for hydrostatic drives in open circuits
 We can supply model: Rexroth Hydraulic piston double pump A8VO55, A8VO80, A8VO107, A8VO140, A8VO200

Product Parameters

Technical Parameters
Table of values (theoretical values, without efficiency and tolerances; values rounded)

Size A8VO55 A8VO80 A8VO107 A8VO140 A8VO200
Displacement Vg max cm3 2 x 54.8 2 x 80 2 x 107 2 x 140 2 x 200
Vg min cm3 0 0 0 0 0
Gear ratio i = ninput/nrotary groups 1 1 1 1 1
Input speed  at Vg max 1) nmax 1 rpm 2500 2240 2150 2100 1950
             at Vg ≤ Vg max2) nmax rpm 3000 2750 2450 2450 2250
Flow at nmax and Vg max qv max L/min 2 x 137 2 x 179 2 x 230 2 x 294 2 x 390
Power at nmax, Vgmax and Dp=350 bar Pmax kW 160 209 268 294  3) 325   3)
Input torque Tmax Nm 611 891 1192 1337  3) 1592  3)
Rotary stiffness (single rotary group)5) cTW Nm/rad 11213 17985 25565 41408 39505
cTW Nm/rad 41442 67666 89381 146677 156876
Moment of inertia for rotary group JTW kgm2 0.0161 0.5719 0.0345 0.0581 0.0849
without power take-off (PTO) JTW kgm2 0.0126 0.0173 0.5718 0.05 0.075
Angular acceleration (single rotary group)5) a rad/s2 25800 21800 17100 7500 11000
Mass approx. m kg 82 90 116 146 180
Variation: with integrated auxiliary pump, F00, F.. 4)
Displacement with integrated auxiliary pump Vg max cm3 8.6 8.6 8.6 (10.7) 10.7 11 (19)4)
Effective displacement Vg max/eff cm3 9.7 9.7 11 (13.7) 12.7 13.6 (23.6)
Gear ratio i = ninput/naux.  pump 0.887 0.887 0.78 0.843 0.804
Variation: with power take-offs, K.., F.
Max. torque at PTO Tmax Nm 250 350 380 450 650
Gear ratio i = ninput/nPTO 1 1 1 1 0.804

Dimensions

Application

Rexroth A8VO Series Hydraulic Pump are widely used in hydraulic systems of various industries such as lifting machinery, engineering machinery, metallurgy, mining, shipbuilding, forging press, etc.

 

Company Profile

HangZhou CZPT Machinery Co., Ltd (Hydraulic Department) established strategic cooperation with other China manufacturers, covering mining, mineral transaction, construction and agriculture machinery, spare parts and service. Not only can we export the above products, but we can also customize OEM brand products for our customers.

Packaging & Shipping

Packing
Package size: 2 (L) *1.2(W) * 1.3 (D)
Weigh: Different models have different weights
Color: We support customized various colors for hydraulic pump.

 

Certification: GS, CE, ISO9001
Excitation Mode: Other
Power Rating: Adjustable
Casing Protection: Iron Casting
Number of Poles: Other
Speed: High Speed
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Customization:
Available

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Shaft Collar

Choosing the Right PTO Shaft

There are several different types of PTO shaft. These include the Transmission PTO, the Economy PTO, the Type 4″ pto shaft, and the Two-stage clutch pto shaft. It is important to choose the correct one to ensure a smooth operation. When choosing a PTO shaft, consider the characteristics and uses of each type.

Transmission PTO

If you have been experiencing trouble with your Transmission PTO shaft, you may want to take it to a mechanic to have it looked at. A PTO problem can be frustrating and costly to fix. Here are some tips for resolving PTO problems. Start by checking your transmission oil and air pressure levels. Also, check for cracked or kinked hoses and screens. If none of these steps resolve the issue, you may need to replace your PTO.
There are two types of Transmission PTO shafts, Type 1 and Type 2. The first type was designed to be used for 540 rpm applications. Later versions were designed to handle higher PTO powers, and the diameter was changed to increase its speed. Both types have different diameters, so be sure to check the spline count.
Transmission PTOs are commonly used between tractors and farm equipment. These PTOs have the feature of a universal transmission, although the input and output ends are not always on the same plane. The drive shaft is also able to vary the angle between input and output ends. This allows the drive shaft to operate within a specified left and right expansion range.
When replacing a transmission PTO, make sure you check the shaft’s speed and backlash before installing it. In addition, check the transmission gears to ensure they are in good condition. Experts from suppliers recommend inspecting and replacing any debris on the gaskets. They also recommend setting backlash units between the transmission and PTO. In general, backlash units should range from 6,000 to 12,000 units.
To maintain the efficiency of your Transmission PTO, it is necessary to maintain the proper oil level. Make sure you regularly check the PTO fluid and filter. A change of fluid and filter is recommended every 75,000 miles and 300,000 miles. Using a dial indicator can help you to check backlash and prevent damage to the PTO or mating gear.

Economy PTO

Shaft CollarThe Economy PTO shaft allows you to reduce the engine speed when driving your PTO. This mode uses different gears to adjust the PTO shaft revs. The cab-mounted control/monitoring unit 14 uses the PTO speed information to set the parameters of the PTO. In order to operate this system, you must be aware of the lever 21 position and the type of shaft fitted.
The ratio of the input shaft 7 and the output shaft 22 determines the precise value. The ratio also depends on the type of PTO shaft and the ratio of the gearbox. There are two different types of PTO shafts, and each has different toothed wheels. To choose the right one, you should know the ratio of the shaft and the gearbox.
A Domestic PTO shaft is the most common type used in North America. It comes in a wide range of diameters and splines and can be used on a variety of applications. It is durable and is resistant to pressure, impacts, and tension. It is also equipped with a shear pin and slip clutch to protect the PTO from common obstacles.
An Economy PTO shaft enables your tractor to run at lower rpms, reducing noise and vibrations. It is perfect for a variety of agricultural equipment and is controlled by your tractor’s transmission. It is available in two types: mechanical and hydraulic. A mechanical version has a clutch, while a hydraulic version has a lever to control the torque.
The Economy PTO shaft allows you to reduce fuel costs and increase productivity by up to 2%. It also reduces noise in the cab, which is a plus. Its auto-mode feature helps you operate the Economy PTO with ease. This system can also be programmed to automatically disengage the PTO when the linkage is raised.

Two-stage clutch on pto shaft

Shaft CollarIf you’re looking to get the most out of your tractor, you should check the clutch for two-stage operation. Two-stage clutches use two separate stages to disengage the PTO and gears. If the clutch does not disengage when you push the pedal, you’ll need to adjust it. Rust buildup can cause the clutch to stick and require a rebuild or replacement. Fortunately, there are many ways to check whether your clutch is slipping.
A two-stage clutch is commonly used in transmissions with live PTOs. The first stage operates the driven portion of the transmission, while the second stage controls the PTO. This arrangement allows the PTO to work independently of the transmission, which is especially useful in tractors that use mower attachments.
This two-stage clutch is usually accompanied by a gearbox. The gears in the PTO shaft are set up to rotate at a rate of 540 revolutions per minute (rpm) when the engine is running. The second clutch is designed to operate at a higher speed and can be used with different power sources.
A two-stage clutch on the PTO shaft is a good option if you’re using a tractor that doesn’t have a slip clutch. It will limit the tractor’s torque, so you’ll save money on fuel while doing work. It also helps reduce noise and vibration.

Types of independent pto shafts

Independent PTO shafts come with their own clutch, which enables them to run independently from the tractor’s transmission. There are two main types of independent PTO shafts: mechanical and hydraulic. The mechanical version has a separate on-off selector and control lever. The hydraulic version only has a single selector.
These different types of PTO shafts are only compatible with specific implements. The speed at which they transfer energy is different, too, and some are faster than others. This is why some large tractors have higher-speed PTOs than smaller tractors. A transmission PTO requires a parking break, while an independent PTO does not.
A newer type of independent PTO shaft, the Type 4, is also available. This model runs at a higher rotational speed, around 1300 rpm, which allows for a more efficient transfer of power. In addition, the Type 4 shaft is larger, with 22 splines and a diameter of 57.5 mm. It is designed to support PTO powers of up to 450 kW or 600 horsepower.
Another type is called a “sandwich” type, which is mounted between the transmission and engine. It receives its drive from the engine shaft. This type can transfer the full power of the engine to the PTO, although it needs modifications to the driveline. It also comes with its own lubrication system.
Independent PTO shafts can be manually operated or electronically controlled. The independent PTO is easy to engage and is often operated by shifting the PTO selector lever away from the ‘OFF’ position or by flipping the PTO switch to the “ON” position. Independent PTO shafts may also feature an additional manual clutch. This clutch helps regulate heavy loads and protects the PTO drive system.
China supplier Original CZPT A8vo107 Hydraulic Piston Pump for Compaction Machinery   comer pto shaftChina supplier Original CZPT A8vo107 Hydraulic Piston Pump for Compaction Machinery   comer pto shaft
editor by CX 2023-04-25