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Contents
Preface....................................................................
11
1.
Definition,systematicsandmethodologyofdesigninghydraulicgearmachines....
13
1.1.Definitionandsystematics................................................
13
1.2.Designingmethodology...................................................
15
2.
Theprocessofenergytransformationinhydraulicgearmachines..............
20
2.1.Generalmodelsofapumpandamotor.......................................
20
2.1.1.Generalmodelofapump...........................................
20
2.1.2.Generalmodelofamotor...........................................
21
2.2.Idealandrealcharacteristicsofapumpandamotor............................
24
2.2.1.Characteristicsofapump...........................................
24
2.2.2.Characteristicsofamotor...........................................
28
2.3.Conclusions............................................................
32
3.
Gearsinhydraulicgearmachines.........................................
33
3.1.Teeth,gearsandtheexternalinvolutegearsystems.............................
34
3.1.1.Thetooth,theexternalgear..........................................
34
3.1.2.Theboundarynumberofteeth,correctionoftheexternaltooth..............
38
3.1.3.Theexternalinvolutegearsystem.....................................
40
3.1.3.1.Theuncorrectedgearsystem,theprincipleofco-operation,
thenumberofcontact.......................................
40
3.1.3.2.Thecorrectedgearsystem,theprincipleofco-operation,
thenumberofcontact.......................................
42
3.2.Teeth,gearsandtheinternalinvolutegearsystems.............................
45
3.2.1.Thetooth,theinternalgear..........................................
45
3.2.2.Theboundarynumberofteeth,correctionoftheinternaltooth..............
47
3.2.3.Theinternalinvolutegearsystem.....................................
48
3.2.3.1.Theuncorrectedgearsystem,theprincipleofco-operation,
thenumberofcontact.......................................
48
3.2.3.2.Thecorrectedgearsystem,theprincipleofco-operation,
thenumberofcontact.......................................
50
3.2.3.3.Interferenceofthegearteeth..................................
52
3.3.Teeth,gearsandtheinternalcycloidalgearsystems.............................
54
3.3.1.Teeth,gearsandtheuncorrectedinternalepicycloidalgearsystem...........
54
3.3.2.Teeth,gearsandthecorrectedinternalepicycloidalgearsystem.............
59
3.3.3.Principleofco-operationintheepicycloidalgearsystem,thelineofcontact,
thenumberofcontact..............................................
61
