-37 可変容量形アキシャルピストンポンプ A A7VO シリーズ 63

1 RJ 92202 , Bosch Rexroth AG 28 160 35 MPa 40 MPa A7VO 63RJ 92202 2 4 5 5 6 7LR 9LA1 13DR 15HD 18 28 20 28 21 55 24 80 28 107 32 160 36 40 41 42 42 A-37 / Bosch Rexroth AG, RJ 92202 63 | 01020304050607080910111213A7VO/63 VB01 01 35 MPa 40 MPaA7V 02 O ( )03 Vg (cm3) 7 285580107160 250 355 500 92203 28558010716004 LR LRD p = MPa LRH1 p = MPa LRDH1 LRDS ( 02 ) LA1S LS LA1S5 DR DRG DRS p = MPa HD1 p = MPa HD1G U = 24 V EP2 05 6 363 28 16006 R L 07 FKM ( )V 28 16008 din 5480 Z DIN 6885 P 09 ISO 3019-2 4 B 10 A(B) S SAE ( )01 A(B) S SAE ( LA1S LA1S5 )

2 02 = = = A-38 RJ 92202 , Bosch Rexroth AG | A7VO 63 31) 01020304050607080910111213A7VO/63 VB01 1) (40 )11 ( )DEUTSCH 2 P / 12 ( ) -S = = = 42 : 12 24 ( )A-39 / Bosch Rexroth AG, RJ 92202 63 | A7VO DIN 51524 HLP : 90220: 90221: 90222: - (HFDR/HFDU) 90223: (HFC HFB HFAE HFAS) ( opt ) 115 C U max 1600 mm2/s St -40 Ct 3 min n 1000 min-1 p 5 MPa T 25 K < 1600 400 mm2/s = -40 C -25 Cp pnom n nnom t 15 min = 400 10 mm2/s VG 46 +5 C +85 C ( ) = -25 C +103 C R1/R2 ) ( T = / R1/R2 12 K)

3 Opt = 36 16 mm2/s min 7 mm2/st < 3 min p < pnom -40-25-101030509011570071040602010020040 060010001600VG 22VG 32VG 46VG 68VG 1001636 vopt [ C] v [mm2/s] A-40 RJ 92202 , Bosch Rexroth AG | A7VO 63 5 ISO 4406 20/18/15 ( R1/R2) 90 C 103 C) ISO 4406 19/17/14 ( R ) : T1 ( ) 1 MPa (t < ) p [MPa] n [min-1] 107 160 28 55 80 FKM -25 C +115 C -25 C NBR (.

4 -40 C +90 C) S BS AA-41 / Bosch Rexroth AG, RJ 92202 63 | A B ( ) pnom35 MPa pmax40 MPa 1 1 10 snnom 300 h ( ) (A B) RA max1600 MPa/s S ( ) pS MPa S ( ) (7 ) pS MPa RA maxpnom t p t p pt1t2tn1 ( ) pmax pnom t = t1 + t2 + ..+ tn A-42 RJ 92202 , Bosch Rexroth AG | A7VO 63 7 285580107160 ( 1 )Vg 1)Vg maxnnommin-131502500224021501900Vg < Vg maxnmax1min-142503400300029002560 2)nmax2min-147503750335032002850 Vg < Vg maxqvl/min89137179230304 Vg max nnom p = 35 MPaPkW5280105134177 Vg max p = 35 MPaTNm156305446596891 Vg max Vg /2 cminkNm/rad510162136Vg /2 0 ( )cmaxkNm/rad 16324967104 ( )JGRkgm rad/s 3590031600242001920015300 ( )mkg1725404971 ( )

5 Vg / Vg max n / nnom pabs qv=Vg n v[l/min]1000 T= Vg p[Nm]2 mh P=2 T n=qv p[kW]6000060 t Vg=1 [cm3] p= [MPa]n= [min-1] v= mh= t= ( t = v mh) ( ) 90261 1) : pabs = MPa ( S) opt = 36 16 mm2/s 2) pabs ( ): S Vg < Vg max A-43 / Bosch Rexroth AG, RJ 92202 63 | 285580107160 mm2530354045( ) a 1) aFqFq max Tq maxNm1792814446811019Vg max Fq max pq +Fax+ Fax maxN0 0000 Fax maxN31550071090011250 1 MPa + Fax perm/MPaN/MPa467596113151 Fq Fq.

6 Fax opt = 45 opt = 45 211 B 2 A 1) A-44 RJ 92202 , Bosch Rexroth AG | A7VO 63 LR 9LR ( Vg min ) (pB Vg = ; pB = ; Vg = ) Vg max (LR ) 5 22 MPa : P [kW] n [min-1] qv max [l/min] LR 22 MPa5 MPaVg min Vg max pB [MPa] LR T1X3B(A)A1M1R2UR1Vg minVg maxSA-45 / Bosch Rexroth AG, RJ 92202 63 | LR LRD Vg min 20 35 MPa 5 : : 5 MPa.

7 5 MPa 5 = 25 MPa 20 25 MPa ( ) T1 ( ) T1 ( ) 50 C 2 min 2 MPa LRD 3520minmaxVg min Vg max pB [MPa] LRD T1X3B(A)A1M1R2UR1Vg minVg maxSA-46 RJ 92202 , Bosch Rexroth AG | A7VO 63 LR / X1 ( 4 MPa ) pSt ( ) Vg max Vg min 4 MPa Y3 4 MPa Y3 LRH1 ( ) Vg max Vg min (Vg max) MPa ( ).

8 Vg max LRH1 (Vg max Vg min) p = Vg/Vg max pSt [MPa] LRH1 T1X3X1Y3B(A)A1M1R2UR1Vg minVg maxS LRDH1 T1X3X1Y3B(A)A1M1R2UR1Vg minVg maxSA-47 / Bosch Rexroth AG, RJ 92202 63 | LR LRDS (1) ( ) ( p) p (Vg min ) p (Vg max ) p = p p p MPa MPa ( ) p LUDV ( ) LRDS 3520minmaxVg min Vg max pB [MPa] LRDS T1X3X4B(A)1A1M1R2UR1Vg minVg maxS ( ) (1) A-48 RJ 92202 , Bosch Rexroth AG | A7VO 63 LA1 13LA1 ( ) 2 ( )

9 Vg max X3 = LA1 pA [MPa] 40353025201510500 min Vg max ( ) P [kW] n [min-1] qV max [l/min] LA1S 12 LA1S 3520minmaxVg min Vg max pB [MPa] LA1S X3X4AR2UR1Vg minVg maxSA-49 / Bosch Rexroth AG, RJ 92202 63 | LA1 LA1S5 X6 p = LA1S5 pX6 [MPa] pLS [MPa]

10 LA1S5 X3X6X4AR2UR1Vg minVg maxSA-50 RJ 92202 , Bosch Rexroth AG | A7VO 63 DR 15DR Vg max 5 35 MPa DR T1 ( ) 2 MPa DR 535maxmax. 1 MPaminqV min qV [l/min] qV max pB [MPa] DR M1R2UR1T1X3B(A)A1 SVg minVg max 1 50 C pmax = MPa U UR1ST1R2 ( ) 285580107160qV flushl/min346812 A-51 / Bosch Rexroth AG, RJ 92202 63 | DR DRG 5 m A1 X3 Vg min T T1 ( ) 5 MPa ( ) DRG T1 ()