6.1
Basic Hydraulics (1952校对版)

目录
Chapter 1
INTRODUCTION ···1-29
Development of hydraulics ···1
Advantages and problems of hydraulic set-ups ···3
Physical properties of liquids ···6
Pressure and force in hydraulic systems ···10
Hydraulic jacks and brakes ···14
Atmospheric pressure ···20
Input and output relations ···24
Chapter 2
LIQUID FLOW ···30-53
Description of flow ···30
Factors involved in flow ···35
Measurement of flow factors ···45
Water hammer ···49
Elements of working hydraulic systems ···50
Chapter 3
PRESSURE GAUGES AND VOLUME METERS ···54-66
Bourdon pressure gauge ···54
Schrader hydraulic gauge ···56
Volume meters ···60
Chapter 4
PIPES, FITTINGS AND SEALS ···67-91
Pipes ···67
Fittings: screwed fittings ···71
Flanged fittings ···74
Compression fittings ···76
Gaskets, oil seals and packing rings ···79
Maintenance of hydraulic equipment ···83
Chapter 5
SIMPLE VALVES ···92-109
What valves are, and how they are used ···92
Classification of valves ···94
Different types of simple valves ···96
Installation and maintenance of valves ···106
Chapter 6
COMPOUND AND PRESSURE REDUCING VALVES ···110-133
How compound valves operate ···110
Compound relief valves ···111
Pressure reducing valves ···128
Chapter 7
DIRECTIONAL VALVES ···134-153
What they are ···134
Spool directional valves ···135
Rotary directional valves ···142
Flow control valves ···144
Valve blocks and panels ···148
Methods of operating valves ···151
Chapter 8
INTRODUCTION TO PUMPS ···154-185
What a pump is ···154
Classification of pumps by types ···155
Classification of pumps by groups ···160
Head and energy relations in pump systems ···163
Comparison of pump types ···172
Installation, maintenance and casualties ···174
Reciprocating pumps ···177
Chapter 9
CENTRIFUGAL AND PROPELLER PUMPS ···186-206
What goes on in a centrifugal pump ···186
Kinds of centrifugal pumps ···192
Propeller pumps ···202
Mixed flow pumps ···205
Chapter 10
CONSTANT DELIVERY ROTARY PUMPS ···207-230
General 207
Typical rotary pumps: gear pumps ···210
Gear-like pumps ···217
Screw pumps ···218
Lobe pumps ···219
Rotating plunger pumps ···221
Internal gear pumps ···223
Vane pumps ···226
Installation and operation ···228
Chapter 11
RADIAL PISTON PUMPS AND MOTORS ···231-248
Radial piston pumps ···231
Radial piston motors ···243
Installation, maintenance and casualties ···247
Chapter 12
AXIAL PISTON PUMPS AND MOTORS ···249-272
Principle of the axial piston pump ···249
Waterbury variable speed transmission ···257
Northern Series 7000 pump-motor ···266
Vickers axial piston pump ···266
Uses of these pumps ···268
Installation, maintenance and casualties ···269
Chapter 13
HYDRAULIC LIQUIDS ···273-286
Functions of a hydraulic liquid ···273
Properties of a satisfactory hydraulic liquid ···274
Oils recommended for naval use ···279
Care and maintenance of hydraulic oils ···281
Chapter 14
ORDNANCE HYDRAULIC SYSTEMS ···287-306
Recoil arid counterrecoil systems ···287
Constant delivery systems ···291
Variable delivery systems ···295
INDEX ···307