Precious metals HS code alignment

List of the catalog of this article:

• 1 、Precious metals HS code alignmentThe performance of a broken car
• 4、 Do car tensioners and tensioners mean the same thing?
• 3、What's the abnormality of the car tensioning wheel is broken

What is the reason for the squeaking of the car tension wheel?

1. The abnormal sound of the vehicle tightening wheel belt may generally be caused by the dryness between the tightening wheel and the fixed point, or a problem with the belt.The tensioner is broken, and the car will make a harsh metal sound when accelerating.

2. When the tightening wheel is slightly damaged, it will make a squeaking or rustling sound. After the fire, there will be a continuous sound. Some of them will not make a sound when the car is hot when the car is cold. This may be caused by damage to the tightening wheel. Of course, it is also possible that the belt is last, and the belt slips and the friction of the pulley. The sound of.

3. The abnormal sound of the tightening wheel is usually a buzzing or squeaky sound. It is recommended to replace it in time. There are bearings inside the tensioning wheel. If there is an abnormal sound, it indicates that the bearing of the tensioning wheel is damaged. The engine may have timing jumps, ignition and gas distribution time disordered, which will affect the normal use of the car.

4. The tensioner bearing and tensioner are damaged. There is one inside the tensioner.Bearing, if there is an abnormal sound, it means that the tensioner bearing is damaged, and the engine has timing, ignition, and valve timing disorder, which affects the normal use of the car. Therefore, it is necessary to replace the tensioner bearing.

5. So as to achieve the stability and reliability of the transmission system rod; the tensioning wheel is the wear part of automobiles and other parts, and the use time of the belt is easy to be extended. Some tensioning wheels can automatically adjust the tension of the belt. In addition, the tensioning wheel belt runs more smoothly, the noise is lower, and it can prevent slipping.

6. If it is not replaced in time, it may cause engine shaking and ignition difficulties. In serious cases, the roof of the valve may be deformed, causing damage to engine parts, and it is more likely to die, causing the belt to be unable to drive normally, causing the car to break down.

Do car tensioners and tensioners mean the same thing?

1. The tensioning wheel is a tensioning device of the belt transmission. When the center distance of the belt cannot be adjusted, the tensioning wheel can be used to tighten the belt.

2. The tensioning wheel, also known as the tensioner, is a belt tensioning device used in automobile transmission systems.

3, the tensioning wheel is the same as the lifting wheel. The main purpose is the synchronous toothed belt used for tension transmission, the chain of the chain transmission structure, the flat belt, etc.

4. The tensioner (tightening wheel) is used to tighten the engine or chain belt. Under normal circumstances, the life of the belt tightening wheel is twice that of the belt, that is, if the belt life is 60,000 kilometers, then the life of the tightening wheel is 120,000 kilometers.

5. When the car is accelerating, if the tensioner is broken, the car will make a harsh metal sound. The function of the tensioning wheel is to adjust the tightness of the synchronous belt, but its service life is very short. It is generally recommended to replace it once every 50,000 kilometers. When the tensioning wheel is broken and replaced, the synchronous belt also needs to be replaced.

The performance of the car's tightening wheel is broken

1. It can be judged that the tightening wheel is broken through the aspects of engine noise, jumping teeth, ignition and gas distribution disorder, insufficient power, abnormal start-up sound, and professional hand feeling. There will be a lot of noise when the engine accelerates, especially when the speed is 1500 rm. The engine is timing. The ignition and gas distribution time are disordered.

2. What will happen if the tensioning wheel is broken? The tightening wheel is a belt tightening device used in the automobile transmission system. The tightening wheel is mainly composed of a fixed housing, a tightening arm, a wheel body, a torsion spring, a rolling bearing and a spring shaft sleeve, etc., to make the transmission system stable, safe and reliable.

3. If the tightening wheel is broken, the following situations will occur. 1 The engine noise increases when the vehicle accelerates rapidly. 2 The engine timing jumps. 3 The ignition and gas distribution time are disordered. 4 The engine shakes, and the ignition is difficult to ignite.Replacement cycle The tensioning wheel is a belt tensioning device used in the automobile transmission system, which is mainly used by the fixed housing tensioning the arm wheel.

What is the working principle of the car tensioner

1. The principle of the automatic tensioner is: the tensioner acts on the synchronous belt or timing chain of the engine and guides it so that it is always in the best tension state. It is generally divided into two ways: hydraulic and mechanical, which can automatically adjust the elongation of the synchronous belt and timing chain.

2. The principle of the automatic tensioner is that the tensioner acts on the timing belt or timing chain of the engine, guiding and tightening it, so that it is always in the best tightening state.

3. The chain tensioner is used to maintain the tension of the timing chain and ensure the normal operation of the timing system.When the engine starts, the ECU (electronic control unit) will send a signal to the chain tensioner solenoid valve to open it. This will allow the hydraulic oil in the chain tensioner to enter the inside of the tensioner, thus tightening the chain.

What will happen if the car tensioner is broken?

If the car tensioner is broken, the engine will jump on time, the ignition and gas distribution time will be disordered, and the engine shakes and it is difficult to ignite. When it is serious, the car cannot be hit. After the car is installed, the valve can be deformed. It is recommended to replace it quickly.

The failure of the car tighter will cause the engine to shake and the difficulty of ignition. In serious cases, the car cannot be hit, and the valve roof may be deformed, causing damage to engine parts. It is more likely to die, causing the belt to be unable to be transmitted normally, resulting in car breakdown and other consequences.

In order to maintain the appropriate tightening of the timing belt and timing chain, that is, it does not jump due to too looseness or damage due to overtightness, there is a special tightening system composed of a tightener and a tightening wheel or guide rail.

After the thruster is damaged, the following phenomena may occur: booster damage: may cause vehicle fuel consumption, fatigue, explosion and other faults.

The abnormal sound of the tensioning wheel is generally the abnormal sound of buzzing or squeaking. There are rolling bearings inside the tensioning wheel. If there is an abnormal sound, it means that the rolling bearing of the tensioning wheel is damaged, and the car engine is prone to engine timing jump, ignition and gas distribution time chaos, which causes harm to the routine application of the vehicle.

Car tensioning wheelWhat's wrong if it's broken

1. [Pacific Automobile Network] Once the tightening wheel is damaged, the tightness of the belt cannot be adjusted, and the engine will make abnormal noises. The timing of jumping teeth, ignition and gas distribution time will be disordered, which will affect the normal use of the car. It will also cause the car to jitter, increase in fuel consumption, weak acceleration, explosion and other faults.

2. The impact of the broken tightening wheel is: the engine noise increases when the vehicle accelerates rapidly; the engine jumps at the right time; the ignition and gas distribution time is disordered; the engine shakes, and the ignition is difficult.

3. It will also continue to cause common faults such as car vibration, increased fuel consumption, accelerated exhaustion, engine explosion, etc.