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Gearbox calculation -PU, Drawings

  • Added: 09.07.2014
  • Size: 3 MB
  • Downloads: 2
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Course project. Drawings, Explanatory Note

Project's Content

Name Size
icon reduktor_6.rar
3 MB
icon Coursework_Katya
icon High-speed_assembly.a3d
55 KB
icon Input_Assembly.a3d
43 KB
icon Assembly_of_quick_travel_cover.a3d
46 KB
icon Low-speed_cover_assembly.a3d
51 KB
icon Gearbox_assembly.a3d
550 KB
icon low-speed.a3d
55 KB
icon intermediate_shaft.bak
185 KB
icon low-speed_shaft_2.bak
95 KB
icon low-speed_shaft_assembly.bak
157 KB
icon low-speed_shaft.bak
170 KB
icon SHAFT.bak
62 KB
icon spacer_sleeve.bak
84 KB
icon low-speed_spacer_bushing.bak
105 KB
icon High_speed_wheel.bak
837 KB
icon Slow-moving_wheel.bak
64 KB
icon case.bak
156 KB
icon blind_high-speed_cover.bak
90 KB
icon high-speed_cover.bak
118 KB
icon Intermediate_cover.bak
98 KB
icon low-speed_cover_with_gaskets.bak
127 KB
icon low-speed_cover.bak
94 KB
icon Cover.bak
854 KB
icon drive.bak
1 MB
icon gasket_on_inlet.bak
68 KB
icon intermediate_gasket.bak
70 KB
icon FRAME.bak
104 KB
icon REDUCER.bak
434 KB
icon High-speed_assembly.bak
55 KB
icon Input_Assembly.bak
43 KB
icon Assembly_of_quick_travel_cover.bak
46 KB
icon Low-speed_cover_assembly.bak
51 KB
icon Gearbox_assembly.bak
552 KB
icon Special._priv._ch1.bak
55 KB
icon Special._edition__ch2.bak
51 KB
icon slow-moving_gasket.bak
73 KB
icon low-speed.bak
55 KB
icon intermediate_key.bak
52 KB
icon key_of_slow-moving_wheel.bak
51 KB
icon Probe.bak
176 KB
icon Epyura_intermediate_shaft.bak
45 KB
62 KB
icon Slow-moving_wheel.cdw
64 KB
icon Case.CDW
156 KB
icon DRIVE.cdw
1 MB
icon FRAME.cdw
103 KB
icon Reducer.cdw
404 KB
icon Special._priv._ch1.cdw
55 KB
icon Special._edition__ch2.cdw
52 KB
icon Special._edition_ch1.cdw
62 KB
icon Special_priv.ch2.cdw
38 KB
icon Frame_Specification.cdw
54 KB
icon Kinematic_calculation.docx
17 KB
icon PZ.docx
525 KB
icon PZgotovoe.docx
829 KB
icon Interval.docx
484 KB
icon estimation.frw
421 KB
icon SCHEME.frw
32 KB
icon skhema2.frw
32 KB
icon Epyura_input_shaft.frw
49 KB
icon Epyura_output_shaft.frw
44 KB
icon Epyura_intermediate_shaft.frw
45 KB
icon Scheme.jpg
8 KB
icon skhema2.jpg
35 KB
icon Epyura_input_shaft.jpg
53 KB
icon Epyura_output_shaft.jpg
59 KB
icon Epyura_intermediate_shaft.jpg
81 KB
icon bolt.m3d
186 KB
icon Intermediate_shaft.m3d
113 KB
icon low-speed_shaft_2.m3d
95 KB
icon low-speed_shaft_assembly.m3d
95 KB
icon Slow-moving_shaft.m3d
170 KB
icon spacer_sleeve.m3d
79 KB
icon low-speed_spacer_bushing.m3d
96 KB
icon high-speed_wheel.m3d
203 KB
icon Slow-moving_wheel.m3d
214 KB
icon Case.m3d
564 KB
icon blind_high-speed_cover.m3d
78 KB
icon high-speed_cover.m3d
100 KB
icon Intermediate_cover.m3d
81 KB
icon Inspection_window_cover.m3d
91 KB
icon low-speed_cover_with_gaskets.m3d
95 KB
icon low-speed_cover.m3d
71 KB
icon COVER.m3d
854 KB
icon gasket_on_inlet.m3d
61 KB
icon Gasket_of_drain_hole.m3d
68 KB
icon LAYING.m3d
98 KB
icon intermediate_gasket.m3d
60 KB
icon slow-moving_gasket.m3d
60 KB
icon Nozzle.m3d
292 KB
icon intermediate_key.m3d
52 KB
icon key_of_slow-moving_wheel.m3d
50 KB
icon probe.m3d
110 KB

Additional information


Terms of Reference


1. Kinematic calculation of the drive

1.1 Selection of electric motor

1.2 Refinement of drive gear ratios

1.3 Determination of rotation speeds and torque on shafts

2. Calculation of cylindrical transmission of the first stage

2.1 Choice of hardness, heat treatment and wheel material

2.2 Determination of allowable contact stresses

2.3 Determination of allowable bending stresses

2.4 Design calculation

2.4.1 Axial distance

2.4.2 Preliminary main wheel dimensions

2.4.3 Transmission Module

2.4.4 Total number of teeth and inclination angle

2.4.5 Number of gear and wheel teeth

2.4.6 Actual gear ratio

2.4.7 Wheel diameters

2.4.8 Dimensions of blanks

2.4.9 Check of wheel teeth by contact stresses

2.4.10 Forces in engagement

3. Calculation of the second stage cylindrical transmission

3.1 Choice of hardness, heat treatment and wheel material

3.2 Determination of allowable contact stresses

3.3 Determination of bending stresses

3.4 Design calculation

3.4.1 Axial distance

3.4.2 Preliminary main wheel dimensions

3.4.3 Transmission Module

3.4.4 Total number of teeth and inclination angle

3.4.5 Number of gear and wheel teeth

3.4.6 Actual gear ratio

3.4.7 Wheel diameters

3.4.8 Dimensions of blanks

3.4.9 Check of wheel teeth by contact stresses

3.4.10 Forces in engagement

4. Sketched Design

4.1 Design calculations of shafts

4.2 Distance between gear parts

4.3 Selection of Bearing Types

4.4 Bearing Installation Diagrams

4.5 Drawing Up of Layout Diagram

5. First Stage Gear Design

5.1 Gear

5.2 Gear Wheel

6. Design of gears of the second stage

6.1 Gear

6.2 Gear Wheel

7. Selection of keyways

7.1 Selection of key for connection of gear wheel and intermediate shaft

7.2 Selection of key for connection of gear wheel and output shaft

7.3 Selection of input and output shank keys

8. Selection of rolling bearings for assigned service life

8.1 High-speed shaft bearings

8.2 Intermediate shaft bearings

8.3 Low-speed shaft bearings

9. Shell Part Design

10. Design of Bearing Covers

11. Calculation of shafts for strength

11.1 Input shaft

11.2 Intermediate shaft

11.3 Output shaft

12. Selection of cuff seals

12.1 Input shaft

12.2 Intermediate shaft

12.3 Output shaft

13. Selection of lubricants and lubrication system

14. Calculation of couplings

15. Procedure of actuator assembly, execution of required adjustment works

List of used literature

4.3 Selection of Bearing Types

Ball radial bearings are most often used to support shafts of spur and helical gears of gears and gearboxes. Initially, light series bearings are assigned. If the bearing load capacity is insufficient in the subsequent calculation, the middle series bearings shall be accepted. With excessively large sizes of ball bearings, conical roller bearings are used as supports of shafts of cylindrical wheels. [1, p. 47]

We pre-assign ball radial bearings of light series.

Typically, precision class 0 bearings are used. Bearings of higher accuracy are used for shaft supports requiring increased rotation accuracy or operating at particularly high rotation frequencies. [1, p. 47]

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