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Brake control VAZ-11113

  • Added: 25.06.2021
  • Size: 5 MB
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Description

Rear wheel brake of VAZ-11113 car

Project's Content

icon Задний тормозной механизм.cdw
icon Передний тормозной механизм.cdw
icon РПЗ.doc
icon Спецификаци задняя.cdw
icon титульник.docx
icon Диск.cdw
icon Спецификация перед.cdw

Additional information

Contents

Contents

Task

Summary

Introduction

Evaluation of design diagrams of braking mechanisms

Source Data

2.2. Vehicle Brake System Diagram

Evaluation of front and rear brakes

3.1. Evaluation of front and rear brakes. Disc and drum braking mechanism with equal driving forces and one-sided arrangement of supports

3.2. Static characteristic

Calculation of service braking system parameters

4.1. Specific load on brake linings

4.2. Specific friction operation

4.3. Heating of brake disc (front wheels) in one braking

4.4. Brake drum heating (rear wheels) in one braking

Calculation of brake hydraulic drive

5.1. Determination of pedal travel

5.2. Determination of force on pedal

5.3. Build a static characteristic of the brake hydraulic drive

Brake Force Regulators

Diagram of UAZ vehicle braking system

Calculation results

Conclusion

List of sources

Summary

The course project of a 5-year student of 1 group of the Faculty of Engineering and Technology.

In the course design, the service braking system of the UAZ31519 HUNTER car was calculated.

The explanatory note consists of 33 sheets of typewritten text, 9 figures, 2 tables, 1 bibliographic source.

Introduction

UAZ HANTER is equipped with two independent braking systems: working and parking. The first system, equipped with a hydraulic drive, provides braking during the movement of the car, the second - brakes the car in the parking lot, its drive is mechanical. The car uses a two-circuit service braking system with disc mechanisms on the front wheels and drum ones on the rear wheels. One contour drives the front wheel mechanisms and the other drives the rear wheel mechanisms. In case of failure of one of the service braking system circuits, a second circuit is used to stop the car, although with less efficiency. Both contours are actuated from the brake pedal, which is attached to the bracket on the body. The hydraulic drive, in addition to the brake pedal, includes a vacuum amplifier, a main brake cylinder, brake mechanisms of front and rear wheels with working cylinders, pipelines. Parking braking system has manual mechanical drive for transmission

Conclusion

As a result of the work, the following conclusions were made:

1. Force on the pedal = 999 N, which is almost 2 times permissible, therefore the use of a hydraulic vacuum amplifier is required.

2. Specific load on brake linings = 27.84 does not fall within the limits of the average value of specific load, which according to the static data for the car is 10... 20, but since disc brakes are installed on the front wheels, specific loads are correspondingly higher.

3. From the graph of the optimal pressure ratio in the drive of the brake mechanisms of the wheels of the front and rear axles, it can be seen that in the absence of a brake force regulator, under-braking is observed in a significant range and at the end the wheels are re-braking, especially for a loaded car.

Drawings content

icon Задний тормозной механизм.cdw

Задний тормозной механизм.cdw

icon Передний тормозной механизм.cdw

Передний тормозной механизм.cdw

icon Спецификаци задняя.cdw

Спецификаци задняя.cdw

icon Диск.cdw

Диск.cdw

icon Спецификация перед.cdw

Спецификация перед.cdw

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