The Popular Rexroth A6vm107 Hydraulic Piston Motor

The Popular Rexroth A6vm107 Hydraulic Piston Motor

The common CZPT A6vm107 CZPT  Piston Motor 

Brueninghaus Hydromatik CZPT A6VM motor
 
CZPT Variable motor A6VM55, A6VM80, A6VM107, A6VM140, A6VM160, A6VM200, A6VM250

Description  

Open up and closed circuits
Sequence 63
Size Nominal stress, 28 to two hundred (400 bar/450 bar)
250 to a thousand (350 bar/four hundred bar)
 
– Variable A6VM motor with axial tapered piston rotary group of bent axial design, for hydrostatic drives in open up and closed circuits
– For use in mobile and stationary programs
– The broad handle selection allows the variable motor to fulfill the need for high speed and high torque.
– The displacement can be infinitely modified from Vg max to Vg min = .
– The output speed is dependent on the stream of the pump and the displacement of the motor.
– The output torque boosts with the stress differential among the large-force and lower-stress side and with increasing displacement.
– Vast management assortment with hydrostatic transmissions
– Extensive choice of handle devices
– Price savings by means of elimination of gear shifts and likelihood of employing more compact pumps
– Compact, sturdy motor with prolonged service life
– Higher electricity density
– Good commencing attributes
– Small swing torque
 
CZPT Knowledge of Brueninghaus Hydromatik CZPT A6VM Motor
Desk of values (theoretical values, without having performance and tolerances values rounded)

CZPT A6VM motor A6VM55 A6VM80 A6VM107 A6VM140 A6VM160 A6VM200 A6VM250
Nominal force p N bar four hundred 400 400 four hundred four hundred 400 350
Optimum stress pmax bar 450 450 450 450 450 450 400
Displacement Vg max cm³ fifty four.8 80 107 140 a hundred and sixty two hundred 250
Velocity at V g max n max rpm 4450 3900 3550 3250 3100 2900 2700
Speed at V g<V g max n max rpm 7000 6150 5600 5150 4900 4600 3600
Inlet circulation at nmax q V max l/min 244 312 380 455 496 580 675
Torque Δ p = four hundred bar T Nm 349 509 681 891 1019 1273 1391
Weight (approx.) m kg 26 34 47 60 sixty four eighty 90

CZPT fluid
Ahead of starting up project plHangZhou, please refer to our info sheets RE 95710 (mineral oil), RE 95711 (environmentally satisfactory hydraulic fluids), RE 95712 (HFD hydraulic fluids) and RE 95713 (HFA, HFB, HFC hydraulic fluids) for detailed details regarding the selection of hydraulic fluid and application situations.
The variable motor A6VM is not suited for procedure with HFA hydraulic fluid. If HFB, HFC, or HFD or environmentally acceptable hydraulic fluids are utilised, the limits regarding complex info or other seals must be observed.
Specifics with regards to the option of hydraulic fluid
The right option of hydraulic fluid calls for information of the running temperature in relation to the ambient temperature: in a shut circuit, the circuit temperature, in an open circuit, the reservoir temperature.
The hydraulic fluid must be selected so that the operating viscosity in the running temperature selection is inside the optimum range.
We advised that the greater viscosity course be chosen in every single situation.
Example: At an ambient temperature of X °C, an working temperature of sixty °C is set in the circuit. In the the best possible viscosity range, this corresponds to the viscosity lessons VG 46 or VG 68 to be chosen: VG sixty eight.
Observe: The scenario drain temperature, which is impacted by force and speed, can be larger than the circuit temperature or reservoir temperature. At no level of the part may the temperature be greater than 115 °C. The temperature big difference specified is to be taken into account when identifying the viscosity in the bearing.
Temperature assortment
The FKM shaft seal may be employed for case drain temperatures from -twenty five °C to +a hundred and fifteen °C.
Be aware: For application cases underneath -25 °C, an NBR shaft seal is needed (permissible temperature variety: -40 °C to +90 °C).
Condition NBR shaft seal in basic text when buying.
Shaft seal
The service lifestyle of the shaft seal is affected by the velocity of the axial piston unit and the scenario drain stress (circumstance force).
The suggest differential pressure of two bar among the circumstance and the ambient strain may possibly not be enduringly exceeded at regular operating temperature. For a greater differential pressure at lowered pace, see diagram. Momentary force spikes (t < 0.1 s) of up to 10 bar are permitted. The service life of the shaft seal decreases with an increase in the frequency of pressure spikes.
The situation strain should be equivalent to or larger than the ambient stress.
High definition – Proportional control hydraulic
The proportional hydraulic management offers infinite setting of the displacement, proportional to the pilot stress applied to
port X. – Starting of management at Vg max (highest torque, least speed at minimum pilot stress) – End of control at Vg min (minimal torque, greatest permissible speed at highest pilot stress)
Notice
– Maximum permissible pilot pressure: pSt = a hundred bar
– The control oil is internally taken out of the high-strain facet of the motor (A or B). For dependable control, an functioning pressure of at least thirty bar is required in A (B). If a manage procedure is performed at an functioning pressure < 30 bar, an auxiliary pressure of at least 30 bar must be applied at port G via an external check valve. For lower pressures, please contact us.
Please observe that pressures up to 450 bar can happen at port G.
– Please state the desired starting of manage in simple textual content when purchasing, e. g.: beginning of handle at ten bar.
– The beginning of manage and the Hd characteristic are affected by the circumstance pressure. An improve in case stress leads to an boost in the starting of control and hence a parallel change of the attribute.
– A leakage flow of maximum .three L/min can escape at port X owing to internal leakage (working force > pilot pressure).
The management is to be suitably configured to keep away from an impartial construct-up of pilot strain.
EP – Proportional manage electrical
The proportional electrical management offers infinite setting of the displacement, proportional to the control existing applied to the
solenoid (dimensions 28 to two hundred) or proportional valve (measurements 250 to one thousand). For measurements 250 to a thousand, the pilot oil provide at port P needs an
external stress of pmin = thirty bar (pmax = a hundred bar). – Commencing of control at Vg max (highest torque, minimal velocity at minimal management recent) – End of control at Vg min (bare minimum torque, highest permissible speed at greatest handle existing)
Be aware
The manage oil is internally taken out of the high-force aspect of the motor (A or B). For reputable manage, an working strain of at least thirty bar is necessary in A (B). If a control procedure is performed at an working force < 30 bar, an auxiliary pressure of at least 30 bar must be applied at port G via an external check valve. For lower pressures, Please note that pressures up to 450 bar can occur at port G.
The subsequent only demands to be noted for sizes 250 to 1000:
– The commencing of management and the EP characteristic are influenced by the scenario force. An increase in circumstance stress
causes an improve in the beginning of handle and as a result a parallel shift of the attribute.
HZ – Two-position control hydraulic
The two-level hydraulic manage allows the displacement to be set to both Vg min or Vg max by switching the pilot stress at
port X on or off. – Position at Vg max (without having pilot force, greatest torque, minimum velocity)  – Situation at Vg min (with pilot strain > 10 bar activated, bare minimum torque, maximum permissible speed)
Be aware
– Maximum permissible pilot force: 100 bar
– The control oil is internally taken out of the higher-stress side of the motor (A or B). For reputable manage, an working strain of at the very least thirty bar is essential in A (B). If a manage operation is done at an working force < 30 bar, an auxiliary pressure of at least 30 bar must be applied at port G via an external check valve. For lower pressures, Please note that pressures up to 450 bar can occur at port G.
– A leakage flow of highest .3 L/min is existing at port X (running strain > pilot stress). To steer clear of a develop-up of pilot stress, stress is to be relieved from port X to the reservoir.
EZ – Two-stage management electric powered
The two-position electrical handle with switching solenoid (measurements 28 to two hundred) or management valve (sizes 250 to 1000) permits the displacement to be set to possibly Vg min or Vg max by switching the electric powered current at the switching solenoid or management valve
on or off. Be aware: The management oil is internally taken out of the higher-stress aspect of the motor (A or B). For dependable control, an operating force of at least 30 bar is necessary in A (B). If a management operation is carried out at an functioning strain < 30 bar, an
auxiliary stress of at minimum thirty bar need to be applied at port G via an external examine valve. For reduced pressures, Make sure you be aware that
Note
– Maximum permissible pilot pressure: 100 bar
– The handle oil is internally taken out of the higher-force aspect of the motor (A or B). For trustworthy handle, an running stress of at the very least thirty bar is necessary in A (B). If a control procedure is performed at an running stress < 30 bar, an auxiliary pressure of at least 30 bar must be applied at port G via an external check valve. For lower pressures
Please notice that pressures up to 450 bar can take place at port G.
– A leakage movement of highest .three L/min is existing at port X (functioning strain > pilot strain). To keep away from a develop-up of pilot pressure, pressure is to be relieved from port X to the reservoir.
HA – CZPT manage substantial-pressure related
The automated high-strain related management adjusts the displacement automatically dependent on the running force.
The displacement of the A6VM motor with HA management is Vg min (highest speed and least torque). The handle unit steps internally the working pressure at A or B (no control line needed) and upon achieving the beginning of manage, the
controller swivels the motor from Vg min to Vg max with increase of strain. The displacement is modulated between Vg min and Vg max, therefore depending on load problems. – Beginning of management at Vg min (minimal torque, highest
speed) – Stop of control at Vg max (maximum torque, minimum velocity)
Observe:
– For security motives, winch drives are not permissible with beginning of management at Vg min (CZPT for HA).
– The manage oil is internally taken out of the large-force facet of the motor (A or B). For dependable management, an functioning pressure of at least 30 bar is necessary in A (B). If a control operation is carried out at an working stress < 30 bar, an auxiliary pressure of at least 30 bar must be applied at port G via an external check valve. For lower pressures, please contact us.
Make sure you note that pressures up to 450 bar can arise at port G.
– The starting of manage and the HA attribute are affected by the situation stress. An boost in scenario force leads to an improve in the beginning of control and thus a parallel change of the attribute. Only for HA1T (dimensions 28 to 200) and HA1, HA2, HA.T, (dimensions 250 to a thousand).
– A leakage stream of highest .three L/min is current at port X (running force > pilot pressure). To stay away from a build-up of pilot force, stress is to be relieved from port X to the reservoir. Only for manage HA.T.

 

The Popular Rexroth A6vm107 Hydraulic Piston Motor

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