AXIAL PISTON PUMPS AND MOTORS

Transcription

1 HPV-HMF SERIES SECTIONA VIEW AXIA PISTON VARIABE DISPACEMENT PUMP AXIA PISTON FIXED DISPACEMENT MOTOR Purge relief valve High pressure relief valves (adjustable) Cylinder block assembly Shaft seal Output shaft Valve block Shuttle valve Swashplate - 2 -

2 SYSTEM CIRCUIT DESCRIPTION PUMP AND MOTOR CIRCUIT DESCRIPTION PUMP CIRCUIT SCHEMATIC Servo M A Designation: 1 = Variable pump 2 = Charge pump 3 = Servo control valve = Charge check valve 5 = Charge relief valve 6 = Filter 7 = Heat exchanger 7 2 S 6 5 B 1 Ports: A, B = Main pressure ports (working loop) S = Suction port - charge pump 1, 2 = Drain ports M = Gauge port - charge pressure MOTOR CIRCUIT SCHEMATIC 2 A B 1 2 M M A 3 M B 1 P Designation: 1 = Fixed motor 2 = Purge relief valve 3 = Shuttle valve = High pressure relief valve Ports: A, B = Main pressure ports (working loop) 1, 2 = Drain ports M A = Gauge port for port A M B = Gauge port for port B M = Gauge port - charge pressure - 3 -

3 TECHNICA DATA Design: axial piston variable pump and fixed motor of swash plate design Type of mounting: SAE four bolt flanges Pipe connections main pressure ports: SAE split flange other ports: SAE O-ring boss Direction of rotation: clockwise or counterclockwise (viewing from the input shaft) Installation position: optional; pump and motor housings must be always filled with hydraulic fluid. Charge pump Minimum speed speed continuous pressure Charge pressure swashplate angle Mass moment of inertia cm 3 /rev cm 3 /rev min -1 (rpm) min-1 (rpm) bar bar Kg m kg HPV ,3 12,30 18, ±18,3 5 HPV ,6 12,30 18, ±18 8,1 55 HPV ,8 18,03 12, ±18 12,3 63 HPV ,0 18,03 12, ±18 17,77 78 HPV ,7 18,85 32, ±18 29,11 12 HPV ,8 32,80 65, ±18 50,19 16 HPV ,3 32,80 65, ±18 86, HPV ,7 65, ±18 161,0 270 Displacement Theoretical specific torque Minimum speed speed continuous pressure Mass moment of inertia cm 3 /rev Nm/bar min -1 (rpm) min -1 (rpm) bar Kg m kg HMF ,3 0, ,3 30 HMF ,6 0, ,1 35 HMF ,8 1, ,3 0 HMF ,0 1, ,77 7 HMF ,7 1, ,11 70 HMF ,8 2, ,19 12 HMF ,3 3, , HMF ,7 5, ,0 197 Weight Weight case pressure constant: 2,5 bar peak: 5 bar Working fluid: mineral oil kinetic viscosity range: cst (optimum: cst) purity class: (ISO 06) maximum temperature: 80 C External temperature: C External drain fluid loss External drain fluid loss (l/min) Typical values for 350 bar and 18 swashplate angle

4 HPV 070 / HPV 090 * Minimum and maximum angle View ** Shaft spline data: spline shaft with involute spline, according to SAE handbook, 1963, class 1, root side C * D Null position * 6.73 ± Control handle R 25. R 50.8 Serrated shaft Port "1": (use highest port as outlet) B M K J Gauge port - servo cylinder pressure (both sides) 7/16-20 UNF-2B SAE straight thread O-ring boss Coupling may not protrude beyond 8 mm maximum lenght of full spline X Ø Ø N Ø O M H Charge pressure relief valve Clolcwise (R) rotation Counterclolcwise () rotation Port "S" Y 12.5 ± 0.2 Shaft spline data:** Pitch Ø = P Pressure angle = 30 Number of teeth = R Pitch = S G F E D C A Approximate centre of gravity - 5 -

5 HPV 070 / HPV 090 View Y Gauge port - servo cylinder pressure Port " 1 ": U V Port "S": Suction port (charge pump) Position of charge pump for clockwise (R) rotation T W X T Gauge port "M" Position of charge pump for counterclockwise () rotation Y Y Port " 2 ": U - 6 -

6 HPV 070 / HPV 090 View X (for HPV 070 only) View X (for HPV 090) DD EE 9. ± 0.2 Control handle Control handle shaft spline data: 6/128 pitch, 6 diametral pitch acc. to SAE handbook 1963 Outside diameter = Number of teeth = 2 1/ - 20 UNC - 2A DD EE 9. ± 0.2 Control handle Control handle shaft spline data: 6/128 pitch, 6 diametral pitch acc. to SAE handbook 1963 Outside diameter = Number of teeth = 2 1/ - 20 UNC - 2A BB FF GG Ø162 Rotation R Ø162 Rotation R GG CC CC BB FF GG 15 AA GG AA Approximate centre of gravity HH Ø JJ HH 216 Approximate centre of gravity HH Ø JJ HH B C D E F G H J K M Ø N mm mm mm mm mm mm mm mm mm mm mm mm HPV HPV ,5 98 T U V W X Y AA BB CC DD EE mm mm mm mm mm mm mm mm mm mm mm mm HPV , 112, ,5 85,8 9,5 187, , HPV ,7 128, ,2 12,7 198, , Charge pump cm 3 /rev cm 3 /rev 12,30 18,03 Shaft spline FF GG HH JJ A A Ø O Ø P R S Bore diameter for shaft coupling mm mm mm mm mm mm mm mm mm mm mm HPV ,50-0,17 33, /32 31,75 +0,062 HPV ,68-0,17 36, /32 3,95 +0,

7 HMF 070 / HMF 090 J E Port "1": (use highest port as outlet) Coupling may not protrude beyond mm maximum lenght of full spline K Approx. centre of gravity Purge relief valve X Ø N Ø O Ø P Ø R F F Ø H Shuttle valve (both sides) Y G M Shaft spline data: * Pitch Ø = S Pressure angle = 30 Number of teeth = T Pitch = U 12.5±0.2 D C B Port "2": A Flange design 2/070 View Y Gauge port "M A " Gauge port "M B " Gauge port "M" charge pressure High pressure relief valve for port "B" High pressure relief valve for port "A" V 219 V Port A and B Port 1 and 2 Port M A and M B Port M HMF 070 HMF psi threads 3/8-16 UNC-2B 18 deep 7/8-1 UNF-2B SAE straight thread O-ring boss 7/16-20 UNF-2B SAE straight thread O-ring boss - 8 -

8 HMF 070 / HMF 090 View X (for HMF 070) View X (for HMF 090) 5 Rotation R W 5 Rotation R W Ø193.5 Ø Ø162 Approx. centre of gravity Approx. centre of gravity Ø Ø15 + 0,8 0,3 168 A B C D E F G Ø H J K M mm mm mm mm mm mm mm mm mm mm mm mm HMF , , HMF , , Ø N Ø O Ø P Ø R Ø S T U V W Diameter for shaft coupling mm mm mm mm mm mm mm mm mm mm HMF ,50-0,17 8,5 33, /32 85, ,75 +0,062 HMF ,68-0,17 8,5 36, /32 95,2 11 3,95 +0,