China Professional CZPT Hydraulic Piston Pump A8vo80 with Good Quality 2020 double u joint pto shaft

Product Description

Rexroth hydraulic piston pump A8VO80 with Good Quality Made in ZheJiang

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)

|
Request Sample

Customization:
Available

|

Customized Request

Shaft Collar

PTO Shafts and PTO Shaft Shields

When choosing a PTO shaft, measuring the various pieces is an important aspect. Each piece must be measured in a specific way, with the shaft in a closed position. Measure the length between the outsides of the yokes. The closed length will help you determine the correct PTO series size for the horsepower of your tractor.

540 rpm

A 540 RPM PTO Shaft will fit CZPT PTO models. These shafts are slightly indexed to allow for easy PTO drive hookups. These shafts will also work with 1000 RPM implements. They also feature a snap ring that will allow for quick and easy removal.
PTO shafts are commonly divided into two types: 1000 RPM and 540 RPM. The 540 RPM PTO shafts are smaller, with only six splines, while the 1000 RPM PTO shafts are larger. The 540 RPM version is used with implements that require less horsepower and are made for light-duty use.
The PTO shaft transfers power from the tractor’s engine to a PTO-driven implement. When operating at its recommended speed, the PTO shaft rotates at 540 rpm (9 times per second). The higher speed PTO shafts have more splines.

Safety chains

Safety chains for PTO shafts are an important safety feature to consider when operating a tractor. These chains are welded to the drive end of a tractor or implement. They are used to prevent the plastic shield from spinning on the PTO shaft. The chain’s reaction time is slower than the speed of the PTO shaft, which makes it important for safety.
When operating a tractor, it is important to follow the manufacturer’s instructions and keep the machine and equipment in a safe location. A poorly-guarded PTO can entrap ground personnel or cause a serious accident. Operator awareness is also important. It is important to avoid stepping over a revolving shaft, wearing loose clothing, or making repairs while the tractor is running. It is also important to follow the manufacturer’s instructions and use the PTO for its intended purpose.
The safety chains for PTO shafts must be properly connected and fully functional before each use. During a PTO operation, the PTO shaft may rotate as much as 1000 rpm, which is potentially deadly. In addition to safety chains, the tractor should have a clutch or torque limiter fitted on the implement end.
The PTO shaft must have a correct length for the machine. If it is a sliding metal PTO drive shaft, it is important to lubricate it according to manufacturer’s specifications. Lubrication is recommended after every eight hours of operation. Also, make sure that the button on the end of the PTO shaft moves freely. Hammering it into place can damage the guard and the shaft.
A PTO driveline hazard is one of the oldest farm machinery hazards. It refers to the PTO or Implement Input Connection. There are often protruding pins and bolts on the driveline, which can snag clothing.

Shield

Shaft CollarThe PTO shaft shield is a protective piece that encloses a PTO shaft. These shields are usually plastic, but some are also made of metal. They are made to protect the PTO shaft from debris, which can cause premature wear and damage to the universal joints. A PTO shaft shield is not a permanent fixture, but can be easily removed for replacement or repair.
The PTO shaft shield should be checked periodically to ensure that it is in good condition. It should have no loose ends or loose bolts. Ensure that the shear bolts and pins are the right length and hardness for the PTO shaft. Additionally, the operator should wear snug clothing to avoid stepping on the PTO shaft while working.
The PTO shaft shield should fit snugly over the PTO shaft. If the PTO shaft is loose, it may be difficult to attach the safety shield. However, with a proper PTO shaft shield, the process should be quick and easy. A CZPT safety clip allows easy removal and prevents co-rotation between the inner driveshaft and the safety shield. The driveline safety shield from RPM Transmissions is made of CZPT, which is a rigid and durable material.
In addition, some machine drive shafts are lacking a shield. This can cause a safety hazard. Without a PTO shaft shield, an operator may accidentally touch the shaft and get injured. These guards prevent this danger by enclosing the shaft in a plastic or metal guard.
The PTO shaft shield is a crucial part of tractor safety. It helps protect the operator from accidental entanglement while operating the tractor. When the PTO shaft stub becomes separated, it can cause severe injuries and even fatalities. Thankfully, the industry has made tremendous progress in reducing the risks associated with PTO mishaps. Operators must make sure they maintain the shields and do not remove them if not in use.

Reverse rotation

Shaft CollarThe PTO shaft reverse rotation mechanism prevents the main drive shaft from moving in a direction opposite to the direction of rotation of the driven shaft. The mechanism is compact, reducing the length of the rotation shaft. The mechanism includes two reversing members: first reversing member 151 rotates in a clockwise direction and second reversing member 153 rotates in a counterclockwise direction.
In a PTO shaft reverse rotation mechanism, a driven shaft is inserted into a hollow cylindrical body. It is rotatably positioned relative to the main driving shaft 112 and radially symmetrically around it. As a result, the driving and reverse-rotation mechanisms are symmetric.
One such PTO shaft reverse rotation mechanism has a main drive shaft and a driven shaft, and a plurality of transmission units coupled to it. The driven shaft and the transmission member rotate in tandem. The transmission units are arranged radially about the main driving member and the driven shaft. Alternatively, one of the reversing units may comprise the second reversing member and the first driving member.
China Professional CZPT Hydraulic Piston Pump A8vo80 with Good Quality 2020   double u joint pto shaftChina Professional CZPT Hydraulic Piston Pump A8vo80 with Good Quality 2020   double u joint pto shaft
editor by CX 2023-04-19