Vogele Basic Training Hydraulics & Electrics

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H.10.2 Categorisation of hydraulic motors Hydraulic motors are assigned to the following categories as a function of their range of rotational speed: - High speed Geared motors are classed as high-speed motors on account of their high degree of slip (leakage oil). They are built as fixed displacement motors with one or two directions of rotation. - Operating pressure approx. 100 bar - Rotational speed range 500 – 3.000 rpm - Medium speed Rotary vane motors display lower levels of leakage oil loss than geared motors. The attainable lower rotational speed range is approx. 50 – 100 rpm. The operating pressure can vary between 100 and 150 bar. One or two directions of rotation are possible. - Low speed Piston motors can be regarded as typical low-speed motors. They are used wherever high torque has to be transmitted at relatively low rotational speed. A distinction is made between axial and radial motors. The rotational speed range of a piston motor can be as low as 1 rpm. Piston motors have one or two directions of rotation. Fundamental rule: High torque - Low rotational speed High rotational speed - Low torque
H.10.3 Variable displacement motor (axial piston variable displacement motor) Rotational speed sensor Adjusting screw max. displacement volume Adjusting screw max. displacement volume Line connection A and B Leakage oil connection External set pressure connection Control pressure connection X2 Leakage oil connection Adjusting screw start of control range Discharge valve
Page 1 and 2:
Basic Training Hydraulics & Electri
Page 3 and 4:
Table of Contents - Hydraulics H.1.
Page 5 and 6: Basic Principles Hydraulics
Page 7 and 8: H.3.0 Units of measurement in hydra
Page 9 and 10: H.5.0 Circuit symbols and circuits
Page 23 and 24: H.6.0 Circuit diagrams H.6.1 Types
Page 25 and 26: H.6.0 Circuit diagrams H.6.2 Layout
Page 27 and 28: H.6.0 Circuit diagrams H.6.2 Layout
Page 29 and 30: H.6.0 Circuit diagrams H.6.4 Symbol
Page 31 and 32: H.6.0 Circuit diagrams H.6.4 Symbol
Page 33 and 34: H.7.0 Open circuit The hydraulic pu
Page 35 and 36: H.7.0 Open circuit H.7.2 Directiona
Page 37 and 38: H.7.0 Open circuit H.7.4 Flow contr
Page 39 and 40: H.7.0 Open circuit H.7.6 Free-wheel
Page 41 and 42: H.8.0 Closed circuit The hydraulic
Page 43 and 44: H.8.0 Closed circuit H.8.2 Changing
Page 45 and 46: H.8.0 Closed circuit H.8.4 Leakage
Page 47 and 48: H.8.0 Closed circuit H.8.6 Accessor
Page 49 and 50: H.9.0 Hydraulic pumps Flow directio
Page 51 and 52: H.9.0 Hydraulic pumps H.9.3 Variabl
Page 53 and 54: H.9.0 Hydraulic pumps H.9.3 Variabl
Page 55: H.10.0 Hydraulic motors Hydraulic m
Page 59 and 60: H.12.0 Oils used at VÖGELE Motor o
Page 61 and 62: H.13.0 Annex H.13.2 Advantages The
Page 63 and 64: H.13.0 Annex H.13.5 Applications On
Page 65 and 66: H.13.0 Annex H.13.5.2 Combustion re
Page 67 and 68: Basic Principles Electrics
Page 69 and 70: E.2.0 Units of measurement in elect
Page 79 and 80: E.3.0 Relationships between units o
Page 81 and 82: E.4.0 Connecting resistors E.4.1.1
Page 83 and 84: E.4.0 Connecting resistors E.4.2.1
Page 85 and 86: E.5.0 Legend of abbreviations: A =
Page 87 and 88: E.6.0 Circuit symbols E.6.2 Symbols
Page 89 and 90: E.6.0 Circuit symbols E.6.4.Symbols
Page 91 and 92: E.7.0 Relays E.7.2 Relays used at V
Page 93 and 94: E.8.0 Diodes E.8.2 Conducting direc
Page 95 and 96: E.9.0 Fuses What is a fuse The weak
Page 97 and 98: E.10.0 Reading a circuit diagram E.
Page 99 and 100: E.11.0 Mains systems E.11.2 Mains 2
Page 101 and 102: E.12.0 Measuring instruments E.12.1
Page 103: E.12.0 Measuring instruments E.12.2
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