Danfoss BDU User guide [ja]

BDU

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BDU

	November 2021	BDP-10L , DAM Hub	0207
	November 2020	'520L0935' 'BC152886484098'	0104
	December 2018	"H"	0103
	May 2017		0102
	June 2016	DITA CMS	0101
	Mar 2010		AC
	Jan 2009		AB
	Jan 2006		AA

2	BC152886484098ja-000207 • November 2021

	BDU
	..............................................................................................................................................................................................	5
	..............................................................................................................................................................................................	5
	........................................................................................................................................................................................................	6
	BDU-06/10S........................................................................................................................................................................................	8
	.....................................................................................................................................................................................	8
	..............................................................................................................................................................................................	8
	BDU-10L/21L/21H.............................................................................................................................................................................	9
	.....................................................................................................................................................................................	9
	: BDU-21L..........................................................................................................................................................................	9
	: BDU-21H.......................................................................................................................................................................	10
	..........................................................................................................................................................................	11
	..............................................................................................................................................................................	12
	.......................................................................................................................................................................................	12
	.....................................................................................................................................................................................................	13
	BDU-06S.......................................................................................................................................................................................	13
	BDU-10S.......................................................................................................................................................................................	13
	BDU-10L.......................................................................................................................................................................................	13
	BDU-21L/21H..............................................................................................................................................................................	14
	.....................................................................................................................................................................................................	15
	.......................................................................................................................................................................................	15
	...................................................................................................................................................................................	15
	...................................................................................................................................................................................	15
	..........................................................................................................................................................................	15
	.......................................................................................................................................................................................	16
	.................................................................................................................................................................................................	16
	.......................................................................................................................................................................................	16
	...................................................................................................................................................	17
	.................................................................................................................................................................................................	17
	.................................................................................................................................................................	17
	.................................................................................................................................................................	17
	.................................................................................................................................................................................................	18
	...................................................................................................................................................................................	18
	: BDU-06S/10S/10L............................................................................................................................................	19
	: BDU-21L/21H....................................................................................................................................................	20
	..............................................................................................................................................................................	21
	(HPRV) ( ).........................................................................	21
	.................................................................................................................................	23
	..............................................................................................................................................	24
	.......................................................................................................................................................	25
	............................................................................................................................................................................................	25
	.................................................................................................................................................................................................	26
	..........................................................................................................................................................................	27
	.....................................................................................................................................................................................................	28
	...................................................................................................................................................................................	29
	(A - B - C - D - E)...................................................................................................................................................	31
	BC152886484098ja-000207 • November 2021	3

BDU

(F - G)......................................................................................................................................................................	32
(H - J - K)................................................................................................................................................................	33
..............................................................................................................................................................................	34
............................................................................................................................................................................................	34
............................................................................................................................................................................................	34
.....................................................................................................................................................................................................	34
.....................................................................................................................................................................................................	34
BDU-06S : ..............................................................................................................................................................	35
BDU-06S : ................................................................................................................................................	36
BDU-06S : .......................................................................................................................................................................	36
BDU-10S/10L : .....................................................................................................................................................	37
BDU-10S/10L : ........................................................................................................................................	38
BDU-10S/10L : ..............................................................................................................................................................	39
BDU-10S : ............................................................................................................................................................................	40
BDU-10L : ............................................................................................................	41
BDU-21L/21H : .....................................................................................................................................................	42
BDU-21L/21H : .......................................................................................................................................	43
BDU-21L/21H : ..............................................................................................................................................................	44
BDU-21L/21H : ..................................................................................................	45
.....................................................................................................................................................................	47

4	BC152886484098ja-000207 • November 2021

BDU

BDU Z

BDU-10L/21L/21H

BDU-06S/10S

•6 10 21

•Z PTO

BC152886484098ja-000207 • November 2021

5

	BDU
	BDU-10S
		1
					16
		2			15
		3
					14
		4
		5			13
					12
					11
				10
		6
			8	9
		7
					P400202
	1.		7.		13.
	2.		8.		14.
	3.		9.		15.
	4.		10.		16.
	5.		11.
	6.		12.
6	BC152886484098ja-000207 • November 2021

BDU

BDU-21L

	1		20
2	2	6	19
			18
		7	17

8

16

9

15

10

3	11		14
	5	12	13
	4

P400203

1.		8.			15.
2.		9.			16.
3.		10.			17.
4.		11.			18.
5.		12.			19.
6.		13.			20.
7.		14.

BC152886484098ja-000207 • November 2021

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BDU

BDU-06/10S

BDU-06S, BDU-10S

	Bypass
	Valve
	Cylinder			Cylinder Block
	Block		Check Valve	Assembly
Input	Assembly				Output
					Shaft
Shaft
Variable
Swashplate	Variable				Fixed
	Displacement		Check Valve		Swashplate
	Pump			Fixed
				Displacement
				Motor
	BDU	Reservor
	Housing		Working Loop	Working Loop
		B uilt-In	(high pressure)	(low pressure)
		Filter	Suction Line	Case Drain Fluid
		(BDU-10S)			P400204

Control Shaft “b”	Ø0.7	Ø0.8
1	2	3
Control Shaft “a”	ø0.7	ø0.8

Hydraulic Circuit	1	2	3

P400205

1.BB

2.Ø 0.7 07

3.Ø 0.8 08

8	BC152886484098ja-000207 • November 2021

BDU

BDU-10L/21L/21H

BDU-10L, BDU-21L, BDU-21H ( )
	Bypass
	Valve
	Cylinder			Check Valve	Cylinder Block
	Block		Charge			Output
Input	Assembly				Assembly
			Pump			Shaft
Shaft
Variable
Swashplate	Variable				Fixed	Fixed
		Cooling		Check Valve
	Displacement				Displacement	Swashplate
	Pump	Orifice	Charge		Motor
			Relief
			Valve
		Reservor
				Working Loop	Working Loop
				(high pressure)	(low pressure)
			Filter	Suction Line	Case Drain Fluid	P400206

: BDU-21L

BDU-21L
	Control Shaft “b”		Ø1.0	Ø1.2
		1	2	3
	Ø0.8
	Control Shaft “a”		Ø1.0	Ø1.2
Suction Port	Drain Port	Hydraulic Circuit
		1	2	3

P400207

1.BB

2.Ø 1.0 10

3.Ø 1.2 12

BC152886484098ja-000207 • November 2021

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BDU

: BDU-21H

BDU-21H

Control Shaft “b”

20.6MPa	17.2MPa	13.7MPa	20.6MPa	20.6MPa	ø0.85
				ø0.7
				×2
1	2	3	4		5

	Ø0.8
		20.6MPa	17.2MPa	13.7MPa	20.6MPa	20.6MPa	ø0.85
	Control Shaft “a”					ø0.7
Suction Port	Drain Port	Hydraulic Circuit				×2
		1	2	3	4		5

P400208

1.R0

2.R1

3.R2

4.Ø 0.7 RA

5.Ø 0.85 RB

10	BC152886484098ja-000207 • November 2021

BDU

			BDU-06S	BDU-10S		BDU-10L	BDU-21L		BDU-21H
		cm3 [in3]	6	10		10	21		21
			[0.37]	[0.61]		[0.61]	[1.28]		[1.28]
			15	15		15	15		15
			15	21		21	22		22
		cm3 [in3]	6	10		10	21		21
			[0.37]	[0.61]		[0.61]	[1.28]		[1.28]
			15	15		15	15		15
		cm3 [in3]	NA	NA		1.9	2.1		3.0
						[0.12]	[0.13]		[0.18]
		min-1	3000	3000		3600	3600		3600
	( )		3200	3200		3800	3800		3800
( )		Nm [lbf•in]	9.8	23.4		23.4	49.2		72.1
			[87]	[208]		[208]	[436]		[639]
( )		kW [ps]	1.1	2.2		3.7	7.4		11.0
			[1.5]	[3.0]		[5.0]	[10.0]		[15.0]
		kgf [lbs]	4	6.3		6.5	10		10
			[9]	[14]		[14]	[22]		[22]
		Nm [lbf•in]	8.8	19.6		19.6	22.5		24.5
( )			[78]	[174]		[174]	[200]		[217]
/ (SAE O- )			7/8-14 UNF			7/16-20 UNF	9/16-18 UNF
			OP	STD		STD	STD		STD
/			NA/NA	NA/OP		NA/OP	OP/OP		OP/OP
			NA	NA		NA	NA		STD
			W/O
							( , )
		cm3	450	550		550	700		700

SAE J1926-1 / ISO 11926-1

BC152886484098ja-000207 • November 2021

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BDU

		BDU-06S		BDU-10S		BDU-10L		BDU-21L	BDU-21H
		1000					600
	min-1		3000				3600
			3200				3800
		105			150				210
	bar	[1530]			[2185]				[3059]
	[psi]	150			175			210	245
		[2185]			[2549]			[3059]	[3569]
	bar		NA				3 [44] - 5 [73]
	[psi]
	bar		NA					0.8 [12] abs
	[psi]
	bar				0.3 [4]
( )	[psi]				0.7 [10]

				BDU
			mm2/sec.	7	[49]
				12-60	[66-280]
			[ SUS]
				1600 [7500]
				-10 [14]
			°C [°F]	82	[180]
				104 [219]

12	BC152886484098ja-000207 • November 2021

BDU

: 3000 min-1, : 50 °C,

BDU-06S

(ηv : , ηm : , ηt : )

<![if ! IE]>

<![endif]>Efficiency %

100
90
80
70
60
50
40
30
20
10
0	5	7
3
	Theoretical Output Torpue	Nm

<![if ! IE]>

<![endif]>Output Torque Nm

10
	40% 45% 50% 55% 60% 65%			70%
						70%
5					65%
					60%
					55%
	40%	45%			50%
0	1000			2000		3000
	Output Speed			min -1		P400210

BDU-10S

(ηv : , ηm : , ηt : )

	100
		90
		80
		70
	<![if ! IE]> <![endif]>%	60
		50
	<![if ! IE]> <![endif]>Efficiency
		40
		30
		20
		10
		0

5	9	11	13	17
	Theoretical Output Torpue		Nm

BDU-10L

(ηv : , ηm : , ηt : )

100

90

80

70 % 60

50

Efficiency 40

30

20

10

0

5	5	7	9	11	13	15	16	18	20	22
		Theoretical Output Torpue					Nm

	20	40%	45% 50%	55%	60%	65%		70%	73%
<![if ! IE]> <![endif]>Nm
									73%
<![if ! IE]> <![endif]>Torque	10								70%
<![if ! IE]> <![endif]>Output									65%
								55%	60%
					40%		45%		50%
	0		1000				2000		3000
			Output Speed min -1						P400211

	20	40%	45% 50%	55%	60%	65%		70%	73%
<![if ! IE]> <![endif]>Nm
									73%
<![if ! IE]> <![endif]>Torque	10								70%
<![if ! IE]> <![endif]>Output									65%
								55%	60%
					40%		45%		50%
	0		1000				2000		3000
			Output Speed				min -1		P400212

BC152886484098ja-000207 • November 2021

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BDU

		BDU-21L/21H
		(ηv : , ηm : , ηt : )
100															50
	90
	80														40
	70													<![if ! IE]> <![endif]>Nm
<![if ! IE]> <![endif]>Efficiency%	60														30
	50													<![if ! IE]> <![endif]>TorqueOutput
	40														20
	30
	20														10
	10
	0
	11			23		34		46		57		65			0
				Theoretical Output Torpue						Nm

40% 45%	50%	55%		60%	65%		70%		75%
										75%
										70%
										65%
								55%		60%
		40%
					45%				50%
			1000				2000		3000
		Output Speed					min -1			P400213

14	BC152886484098ja-000207 • November 2021

BDU

動作パラメータ

さい。多くの駆動システムにおいて、最高回転数に達するのは、下り坂でのブレーキや

W

A B

( )

50 [120 °F]

空状態が0.8 abs bar 0.7 abs bar

BC152886484098ja-000207 • November 2021

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