Читать книгу Fundamentals of designing hydraulic gear machines - Jarosław Stryczek - Страница 4
Contents
Оглавление1. Definition, systematics and methodology of designing hydraulic gear machines
1.1. Definition and systematics
2. The process of energy transformation in hydraulic gear machines
2.1. General models of a pump and a motor
2.1.1. General model of a pump
2.1.2. General model of a motor
2.2. Ideal and real characteristics of a pump and a motor
2.2.1. Characteristics of a pump
2.2.2. Characteristics of a motor
3. Gears in the hydraulic gear machines
3.1. Teeth, gears and the external involute gear systems
3.1.1. The tooth, the external gear
3.1.2. The boundary number of teeth, correction of the external tooth
3.1.3. The external involute gear system
3.1.3.1. The uncorrected gear system, the principle of co-operation,the number of contact
3.1.3.2. The corrected gear system, the principle of co-operation, the number of contact
3.2. Teeth, gears and the internal involute gear systems
3.2.1. The tooth, the internal gear
3.2.2. The boundary number of teeth, the correction of the internal tooth
3.2.3. The internal involute gear system
3.2.3.1. The uncorrected gear system, the principle of co-operation,the number of contact
3.2.3.2. The corrected gear system, the principle of co-operation, the number of contact
3.2.3.3. Interference of the gear teeth
3.3. Teeth, gears and the internal cycloidal gear systems
3.3.1. Teeth, gears and the uncorrected internal epicycloidal gear system
3.3.2. Teeth, gears and the corrected internal epicycloidal gear system
3.3.3. Principle of co-operation in the epicycloidal gear system, the contact line, the number of contact.
3.3.4. Teeth, gears and the uncorrected internal hypocycloidal gear system
3.3.5. Teeth, gears and the corrected internal hypocycloidal gear system
3.3.6. Principle of co-operation in the hypocycloidal gear system, the line of contact, the number of contact
3.3.7. Principle of co-operation in the cycloidal gear system with moveable axes
3.3.8. Principle of co-operation in the cycloidal multi-gear systems
3.4. Conclusions
4. Channels and clearances in the fluid power gear machines
4.1. The system of fixed channels and clearances
4.2. The system of moveable channels and clearances
4.3. The system of channels and clearances in the machines of the first group
4.3.1. Inlet channel and inlet chamber
4.3.2. Inlet bridge
4.3.3. Outlet channel and outlet chamber
4.3.4. Outlet bridge
4.3.5. Axial and radial clearance
4.4. The system of channels and clearances in the machines of the second group
4.4.1. Inlet channel and inlet chamber
4.4.2. Inlet bridge
4.4.3. Outlet channel and outlet chamber
4.4.4. Outlet bridge
4.4.5. Axial and radial clearance
4.5. The system of channels and clearances in the machines of the third group
4.5.1. Inlet channel and inlet chamber
4.5.2. Inlet bridge
4.5.3. Outlet channel and outlet chamber
4.5.4. Outlet bridge
4.5.5. Axial and radial clearance
4.6. The system of channels and clearances in the machines of the fourth group
4.6.1. The system of channels and clearances in the multifunctional hydraulic gear machine (MHGM)
4.6.2. The system of channels and clearances in the ORBIT orbital motor
4.6.3. The system of channels and clearances in the MAX orbital motor with double cycloidal gearing
4.7. Conclusions
5. Delivery and delivery pulsation, capacity and capacity pulsation of the fluid power gear machines
5.1. General formulae
5.1.1. Instantaneous delivery
5.1.2. The proper, theoretical and average delivery
5.1.3. Delivery pulsation
5.2. Delivery and delivery pulsation in the machines of the first group
5.3. Delivery and delivery pulsation in the machines of the second group
5.4. Delivery and delivery pulsation in the machines of the third group
5.4.1. Epicycloidal gear machines
5.4.2. Hypocycloidal gear machines
5.5. Delivery of the machines of the fourth group
5.6. Conclusions
6. Pressure and pressure pulsation in the fluid power gear machines
6.1. Theoretical characteristics of changes of the pressure and pressure pulsation in intertooth displacement chamber T in machines of the first–third groups
6.2. Theoretical characteristics of changes of the pressure and pressure pulsation in the intertooth displacement chamber in machines of the fourth group
6.3. Conclusions
7. The visual study of the flow processes and phenomena in the channels and clearances of the gear machines
7.1. General comments
7.2. The subject and methodology of the visual study, the test stand
7.3. The visual study of the machines of the first group
7.3.1. Inlet channel and inlet chamber
7.3.2. Inlet bridge
7.3.3. Outlet channel and outlet chamber
7.3.4 Outlet bridge
7.3.5 Relief grooves in the outlet bridge zone
7.3.6. Axial clearance
7.4. The visual study of the machines of the second group
7.4.1. Inlet channel and inlet chamber
7.4.2. Inlet bridge
7.4.3. Outlet channel and outlet chamber
7.4.4. Outlet bridge
7.5. The visual study of the machines of the third group
7.5.1. Inlet channel and inlet chamber
7.5.2. Inlet bridge
7.5.3. Outlet channel and outlet chamber
7.5.4. Outlet bridge
7.6. Conclusions
8. Pressure study in the channels and clearances of the gear machines
8.1. The subject and methodology of the study, the test stand
8.2. Study of the pressure in the channels and clearances of the machines of the first group
8.2.1. Study of gear pump I without the axial clearance compensation
8.2.2. Study of gear pump II with the axial clearance compensation
8.3. Study of the pressure in the channels and clearances of the machines of the second and third group
8.4. Conclusions
9. Designing the housings of the fluid power gear machines
9.1. Methodology of designing the housings of the fluid power gear machines
9.2. Determining the design and technological requirements for the housings of the pumps
9.3. Determining the basic shape of the pumps
9.4. Strength analysis of the basic shape gear pump housings by means of FEM
9.4.1. Geometrical models, load and fixation
9.4.2. Numerical models, research programme
9.4.3. Results of the strength analysis of the basic shape pump housings
9.5. Global and local modification of the basic shape housing
9.6. Strength analysis of the housings of the modified shape gear pumps by means of FEM
9.7. Assumption of the final shape of the pumps
9.8. Conclusions
10. Designing of the axial clearance compensation system
10.1. Principle of axial clearance compensation. Methodology of designing the axial clearance compensation system
10.2. Designing the axial clearance compensation system in the machines of the first group
10.2.1. Assumption of a design solution of the compensation system
10.2.2. Defining Ap area of the pressure working in the axial clearance, and the division of the area into partial areas Api
10.2.3. Defining the distribution of partial pressure pi working on partial areas Api
10.2.4. Defining partial pressure repulsive forces Fpi and pressure repulsive forces Fp
10.2.5. Defining partial torques of the repulsive forces Mpi and total torque of the repulsive forces Mp
10.2.6. Defining points of application xpi, ypi of partial pressure repulsive forces Fpi and point of application xp, yp of total pressure repulsive forces Fp
10.2.7. Shaping total compensation area Ac and its division into partial areas Aci. Determining of compensation pressure pc
10.2.8. Defining partial compensation forces Fci and total compensation force Fc
10.2.9. Defining coordinates xci, yci of the points of application of partial compensation forces Fci and coordinates xc, yc of the points of application of total compensation force Fc
10.2.10. Comparison of total pressure repulsive forces Fp and its point of application xp, yp with total compensation force Fc and its point of application xc, yc.
10.3. Designing the axial clearance compensation system in the machines of the second group
10.3.1. Assumption of a design solution of the compensation system.
10.3.2. Defining partial pressure repulsive forces Fpi and total pressure repulsive force Fp
10.3.3. Defining points of application xpi, ypi of partial pressure repulsive forces Fpi and point of application xp, yp of total pressure repulsive force Fp
10.3.4. Shaping total compensation area Ac and its division into partial areas Aci. Determining of compensation pressure pc
10.3.5. Defining partial compensation forces Fci, coordinates xci, yci of the points of its application, total compensation force Fc and coordinates xc, yc of the point of its application
10.3.6. Comparison of total pressure repulsive force Fp and its point of application xp, yp with total compensation force Fc and its point of application xc, yc
10.4. Designing the axial clearance compensation system in the machines of the third group
10.5. Designing the axial clearance compensation system in the machines of the fourth group
10.6. Conclusions
11. Design solutions of fluid power gear machines
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