China Best Sales CZPT Hydraulic Piston Pump A8vo200 with Low Price for Sale Made in China pto shaft cap

Product Description

Rexroth hydraulic piston pump  A8VO200 with Low Price for sale made in china

Hydraulic piston double pump A8VO55, A8VO80, A8VO107, A8VO140, A8VO200

Description  

Open circuit
Series 61 / 63
Control devices: LAOH2, LAOK, LAOKS, LAOKH1, LAOKH2, LAOKH3, LA1H2, LA1S, LA1K, LA1KS, EP, LA1KH1, etc.
Nominal pressure 350 bars. CZPT pressure 400 bars
 
– Variable double pump A8VO with 2 axial tapered piston rotary groups of bent-axis design for hydrostatic drives in open circuits
– The flow is proportional to the input speed and to the displacement, and is infinitely variable from qV max to qV min = 0
– The pump is suitable for direct mounting on the flywheel case in diesel engines
– One common suction port for auxiliary pump and both circuits
– A wide range of control instruments is available for different control and regulating functions
– Individual power controller
– Integrated auxiliary pump with pressure-relief valve, optionally with additional pressure-reduction valve
– Power take-off for mounting axial piston and gear pumps
– Excellent power to weight ratio
– Long service life
 
Technical Data 
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

 

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:
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Shaft Collar

Safety Precautions For a PTO Shaft

When you are working around PTOs, be sure to observe several safety precautions. These include removing the shield, keeping a safe distance from the machine, and avoiding entanglement. Entanglement is a serious injury that can even lead to death. Workers who are near the machine should always maintain a safe distance, especially if the speed of the machine is fast enough to entangle clothing. The speed of the PTO is usually 540 to 1,000 revolutions per minute, and the speed is enough to cause injury in a split second.

Safety precautions

One of the most important safety precautions for a PTO shaft is to make sure that it is properly guarded at all times. An unguarded PTO shaft can entanglement a worker, cause an injury, or even cause death. Operator awareness is key in preventing this hazard. Among other things, workers should not make repairs while the PTO is in use or wear loose or frayed clothing when working near the PTO. Likewise, they should read and follow instructions provided with their tractor and implement. Finally, they should use PTO shafts only for their intended purpose.
Another important safety precaution is to wear a protective gear such as a helmet and gloves before operating a PTO shaft. This type of equipment can be extremely dangerous because of its speed. A PTO shaft that is rotating at 540 rpm can travel two metres in less than a second. Damaged shielding is a common cause of entanglement, so it is important to check your machinery for damage before operating it.
When operating a tractor, PTOs should be kept clear of loose clothing. Loose clothing can easily catch on a rotating PTO shaft. Long hair or jewelry can also become entangled in a PTO shaft. It is also important to remember to secure the PTO shaft guard when the tractor is not in use. Also, never engage a PTO when the engine is off.

Types of pto shafts

PTO shafts are used in tractors and other equipment to secure the secondary gear in the tractor. They are available in different styles and sizes. These shafts are designed to withstand pressure, impacts, and tension. They may also include a shear pin and slip clutch. Before buying a new PTO shaft, make sure to check its measurements.
There are two types of PTO shafts available in an Agric rototiller. The first one has a slip clutch and the other has a shear pin safety device. In order to identify the type of PTO shaft used in a particular tractor, it is important to understand what it is used for.
There are two types of PTO shafts: the external and internal. The latter is used for larger machines, such as a lawnmower. The former is suitable for agricultural applications and is the preferred type for large tractors. The former is suitable for plowing, mowing, and shredding.
Transmission PTO shafts are the oldest type of PTO. They are connected to the tractor’s transmission. When a tractor is in gear, it stops the PTO shaft. However, when it’s not, it’s ineffective and can pose serious problems, such as when mowing. This type of PTO can also cause an overrun clutch to prevent the PTO shaft from working properly.
Shaft Collar

Reaction time

It’s important to know your reaction time when working around a power take-off (PTO) shaft. This part of the machine rotates at approximately 540 revolutions per minute and can pull in seven feet per second. Reaction time can be affected by age, physical condition, medications, lack of sleep, and stress. If you’re working around a PTO, be sure to remove any loose jewelry or other items that might interfere with your reaction time.
PTO accidents can be caused by several factors. The operator, the machine, and the environment all play a role. The operator’s physical and mental condition can also contribute to unsafe actions. For example, young operators may lack the knowledge and experience to recognize hazards. Older workers may also have slower reaction times, which can make it difficult to react quickly to slippery work areas.
Reaction time is measured as the time between a stimulus and the response. It does not include the time required to move the hand. Reaction time is a critical factor in sports, where athletes need to be quick to respond to the moves of their opponents. A good reaction time is necessary to score points.
A demonstration of the speed of a PTO shaft is a great tool to demonstrate how dangerous this part of a machine can be. To demonstrate the speed, use a 7-foot sash cord tied to a sliding collar universal joint. Select a 540-rpm PTO shaft, and a three-inch diameter shield. In one second, the rotating shaft makes nine revolutions and travels 7.1 feet. However, a cordless drill does not rotate at full speed and will take at least two seconds to wrap around the string.

Standardization

The standardization of PTO shafts in tractors is a major project. The EU Machinery Directive requires the protection of operators from rotating parts, such as the PTO. This is especially important when parts are accessible, as clothing can easily be wrapped around them, resulting in an accident. To prevent such accidents, manufacturers have begun to install non-rotating guards over the PTO drive shaft. These guards comply with the current EU good practice.
The European Standard EN 12965:2003+A2:2009 specifies the safety requirements for PTO drive shafts and their guards. It also specifies safe working practices for these components. The standard was approved by CEN on 16 September 2019. It is important to follow these regulations to ensure safe operation.
In the 1980s, a movement began among agricultural engineers to standardize the PTO shaft. The movement began because the different types of PTO shafts had not been interchangeable. A common example is the Deutz-Fendt shaft, which had become a standard for tractors.
As the power for PTO drives comes from the gearbox, the counter shaft acts as the PTO outlet. Standardization of PTO speeds makes it easier for manufacturers to design equipment to meet a specified speed. For example, a thresher is expected to run at a specific peripheral velocity of the threshing cylinder, which is a function of standard PTO speeds. This also allows designers to plan pulley arrangements with the standard PTO speed in mind.
Shaft Collar

Safety chains

The PTO shaft is an integral part of a tractor or implement, so it’s essential to secure it with safety chains. These chains are welded to both ends of the shaft and serve as backup connections between the tractor and trailer coupling point. There are several types of chains available, from domestic to metric, to meet your specific needs.
Because of the high speeds of PTO shafts, it’s crucial to protect these parts from being tangled. A single fall of a PTO shaft can cause serious injury or even death. In such an unfortunate situation, safety chains can prevent such injuries. PTO shafts are also extremely dangerous because the components can become hot while they are operating.
In addition to safety chains, operators must also be aware of the hazards that can occur when working near a PTO shaft. Unsafe behaviors, such as performing repairs while operating a machine, or wearing frayed clothing can lead to serious injury or death. In addition, all users should follow the instructions on the tractor or implement they’re using. It’s also essential to use a PTO shaft for its intended purpose.
In addition to safety chains, farmers should also ensure that the PTO drive shaft is securely attached to the tractor or implement. A broken or damaged PTO guard can be just as dangerous as an unprotected shaft. In addition, a poorly fitting PTO guard may provide a false sense of security. For this reason, it’s important to use protective clothing when operating a tractor or implement powered by a PTO.

Shield

The CZPT-Co universal fit PTO shaft shield is a simple and easy to use shield that has a patented lever release. The shield comes in two sizes, the smaller diameter shield is for shafts with a diameter of 1 5/16″ to 2 1/8″ and the larger diameter shield fits shafts of 2″ to 3 1/8″. Each shield is pre-installed with an assortment of bearings. The shield’s length is measured from the end of the yoke bearing groove to the other end.
If you’ve ever tried to work on a PTO shaft, you know that it can be frustrating. A PTO shaft shield is a safety device that covers the shaft and prevents it from rotating. These shields are also designed to be easy to connect and remove. The CZPT safety clip makes it easy to connect or disconnect the shield, and locks into place to prevent it from rotating with the inner driveshaft. The CZPT material used in RPM Transmissions driveline safety shields is strong and rigid.
Another improvement of this PTO shaft shield is the bracket that supports the two-piece PTO shaft and outer shield. The bracket is shown in FIG. 2 as an angled front view. FIG. 7 is a side elevation view of the bracket mounted to the machine tongue.
China Best Sales CZPT Hydraulic Piston Pump A8vo200 with Low Price for Sale Made in China   pto shaft capChina Best Sales CZPT Hydraulic Piston Pump A8vo200 with Low Price for Sale Made in China   pto shaft cap
editor by CX 2023-04-19

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