Gearbox calculation -PU, Drawings

Added: 09.07.2014
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Description

Course project. Drawings, Explanatory Note

Project's Content

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

Additional information

Terms of Reference

Introduction

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]