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Kawasaki

HMC270 Datasheet Preview

HMC270 Datasheet

Staffa Dual Displacement Hydraulic Motor

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Kawasaki Motors Corp., U.S.A.
Precision Machinery Division
HMC
270
Staffa Dual Displacement
Hydraulic Motor




Kawasaki

HMC270 Datasheet Preview

HMC270 Datasheet

Staffa Dual Displacement Hydraulic Motor

No Preview Available !

www.DataSheet4U.com
CONTENTS
Page
1. General Description .................................2
2. Functional Symbols .................................2
3. Model Code ..................................................3
4. Performance Data:
Motor selection ..........................................4
Rating definitions ......................................4
Output torques ...........................................5
Bearing life ...................................................6
Volumetric efficiency ..............................6
5. Circuit and Application Notes:
Displacement selection .........................7
Starting torques .........................................7
Low speed operation ..............................7
Small displacements ..............................7
High back pressure .................................7
Boost pressure ...........................................7
Cooling flow .................................................8
Motor casing pressure ..........................8
6. Hydraulic Fluids .........................................8
7. Temperature Limits .................................8
8. Filtration ..........................................................8
9. Noise Levels .................................................8
10. Polar Moment of Inertia ........................8
11. Mass .................................................................8
12. Installation Data:
General ............................................................8
Crankcase drain ........................................8
Start-up ...........................................................9
13. Installation Dimensions ...........9 to 11
1. GENERAL DESCRIPTION
Kawasaki “Staffa” high torque, low
speed radial piston motors use
hydrostatic balancing techniques
to achieve high efficiency, combined
with good breakout torque and
smooth running capability.
The HMC series dual displacement
models have two pre-set displacements
which can be chosen from a wide
range to suit specific application
requirements. The displacements are
hydraulically selected by a directional
control valve which can be remote
from, or mounted directly on, the motor.
Displacements can be changed when
the motor is running.
The range of HMC motors extends from
the HMC010 of 202 cm3 (12.3 in3) to
the HMC325 of 5330 cm3 (325 in3)
displacement.
These motors are also available
in a continuously variable version
using either hydro-mechanical or
electro-hydraulic control methods.
Other mounting options are available
on request to match many of the
competitor interfaces.
The HMC270 is one of 8 frame sizes
and is capable of developing torques
up to 19 000 Nm (14 000 lbf ft) with
a continuous output power of 140 kW
(188 hp).
The Kawasaki “Staffa” range also
includes fixed displacement motors,
plus matching brakes and gearboxes
to extend the torque range.
2. FUNCTIONAL SYMBOLS
All model types with variants in model code positions 6 & 7 .
-F(M)4-X-
-SO4-X-
P1v
Min.
P2v
DR
-F(M)4-C-
-SO4-C- P1v
Min.
P2v
DR
1 21 2
Max.
XY
Max. PC
PC
A P B T External pilot
supply
-F(M)4-CS-
P1v
Min.
P2v
DR
1
PC
v -F(M)4-models only
2
2
Max.
PC
A P BT
-F(M)4-C1 (-F(M)4-C2- in brackets)
-SO4-C1 (-SO4-C2- in brackets)
P1(P2)v
Min.
P2(P1)v
DR
1(2) 2(1)
Max. PC
PC
A P BT


Part Number HMC270
Description Staffa Dual Displacement Hydraulic Motor
Maker Kawasaki
Total Page 12 Pages
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