Mar 26,2021

What is a car arm?

The rocker arm in the car is actually a double arm lever used to change the direction of the push rod, acting on the valve stem to push the valve open. The ratio of the arm length of the rocker arm is called the rocker arm ratio, and the rocker arm ratio is about 1.2~ 1.8

Mar 26,2021

What is the structure of the wheel bearing and how to produce it?

Wheeled is the so-called "tires" car "" of rubber parts, it itself is a software, so the tyre inside profile support the barrel of the tire, the center is called wheel is mounted on the shaft parts, due to different language habits

Mar 26,2021

Engine rocker shaft principle

One end is raised or lowered (either directly or through gear follower (lifter) and putter) by the CAM shaft's rotating blade, and the other end is applied to the stem. When the camshaft blade raises the outside lever arm, the internal force is applied to the stem to open the action valve. When the outer boom is allowed to return due to the camshaft, the inner boom rises, allowing the valve spring to compress and close the action valve.

Mar 26,2021

Components and structural features of rocker sprayer

Rocker arm nozzle is a typical type of sprinkler head. Today we mainly introduce the parts and structural features of it. (1) rotary sealing mechanism. The commonly used radial seal and end face seal are composed of anti-wear seal ring,

Mar 26,2021

Wheel bearing

The main function of hub bearing is to load and provide precise guidance for hub rotation. It bears both axial and radial loads, and is a very important component. Traditional automobile wheel bearings are composed of two sets of tapered roller bearings or ball bearings

Mar 26,2021

What will happen to the damage of automobile hub bearings

When one of the four hub bearings of a vehicle is damaged, you will hear a continuous hum in the car while driving. It can't tell where it came from. It feels like the whole car is full of this hum, and the faster the car goes, the louder the sound is. The following is the judgment method:

Mar 26,2021

What is the rocker arm of automobile engine?

The rocker arm drives the valve to open and close. If it is directly driven by the cam, the rocker arm is not needed. Most of the overhead engines are directly driven by the cam.

Mar 26,2021

Principle of engine rocker shaft

The principle of the engine rocker shaft is that when the blades of the camshaft raise the outer lever arm, the internal force will press on the valve rod, thus opening the action valve. When the outer arm is allowed to return due to the action of the camshaft, the inner arm rises, allowing the valve spring to compress and close the action valve.