The economic cost of engine braking

1. The rational use of engine brakes is also of great benefit to saving the operating costs of the vehicle. After using the engine brakes, the service life of the brakes and tires is extended. Engine brakes do not need to be specially maintained, and all costs are reduced.

2. Engine braking can improve the speed control of the downhill of the vehicle, and the efficiency of transportation is also effectively improved.

(1) When the car is driving on a road with different grades, the proper transmission gear position can be selected, and it is possible to use the engine exhaust brake to slide downhill at a uniform speed without using a service brake. When the truck is driving on the long slope section, the exhaust brake can meet the braking characteristics of low deceleration, long braking time, high frequency, and stable braking performance.

Using exhaust brakes can significantly reduce the number of service brakes used. In this way, on the one hand, the service life of the tire is prolonged; on the other hand, the service brake can be kept in a low temperature state to prolong its service life, ensuring that the service brake is sensitive and effective, and that it exerts the maximum braking effect during emergency braking. Exhaust brakes are gentle, which improves ride comfort and reduces driver fatigue.

(2) The use of exhaust brake prevents the brake from slipping. Because the exhaust brake is transmitted to the wheels through the differential in the drive train, the braking torque can be evenly distributed to both sides of the wheels, reducing the possibility of truck braking slippage and tail flick on ice, snow and muddy roads. Especially obvious.

3. Use of exhaust brake is beneficial to prolong engine life:

The use of exhaust braking, to a certain extent (especially the lower long slope) can prevent the engine from overrunning passively and prolong the service life of the engine; at the same time, the engine runs in the low-speed area, and the vibration and noise are small, which reduces the environmental interference to the driver. .

When using a service brake, the temperature of the cylinder surface of the engine will drop more if it is used on a long slope. Under the same conditions, the temperature will drop less, which will improve the thermal state of the engine and help to prolong the service life of the engine.

4. Using the exhaust brake has a fuel saving effect.

Surface Grinding

A type of Grinding Machine that grinds a workpiece plane or a profiled surface.The main types are horizontal axis rectangular table, horizontal axis round table, vertical axis rectangular table, vertical axis round table and various special surface grinders.
â‘  Horizontal axis table surface grinder
The workpiece is held by a rectangular electromagnetic table or clamped on the table and reciprocated longitudinally.
The wheel frame can be used for lateral intermittent feed movement along the dovetail guide of the slide. The sliding seat can be vertically intermittently fed along the guide rail of the column, and the workpiece is ground by the grinding wheel, and the grinding precision is high.
â‘¡ Vertical shaft round table surface grinder
The vertically mounted grinding wheel spindle grinds the workpiece with the grinding wheel end face, and the grinding wheel frame can perform intermittent vertical feeding movement along the guide rail of the column.
The workpiece is mounted on a rotating circular table for continuous grinding and high production efficiency.
In order to facilitate the loading and unloading of the workpiece, the circular table can also be moved longitudinally along the bed rail.
â‘¢ Horizontal axis round table surface grinder
Suitable for grinding round sheet workpieces, and can be used to tilt and grind round workpieces with different thickness.
â‘£ Vertical axis rectangular table surface grinder
Since the diameter of the grinding wheel is larger than the width of the table, the grinding area is large, which is suitable for efficient grinding.
⑤ Double end grinding machine
The two parallel planes of the workpiece are simultaneously ground by the grinding wheel end faces of the two grinding heads, and there are two types which are the horizontal shaft and the vertical shaft.
The workpiece is guided through the grinding wheel by a linear or rotary feeding device.
This type of grinding machine is highly efficient and is suitable for mass production of parts such as bearing rings and piston rings.
In addition, there are guide grinding machines for grinding the guide surface of machine tools, and special grinding machines for grinding turbine blade profiles.

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