HOWO WG9231342006 brake drum

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HOWO WG9231342006 AZ9970440001 brake drum good price for sale

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Difference between cast and forged wheel hub:

1.Price. Because the forging process is much more than the low-pressure forging, compared with the casting, the metallographic structure of the forged wheel hub is broken grain and forged structure, and the latter is dendritic grain and cast structure. In the aspect of single mechanical property index, the forging quality is generally increased by 30% - 50%, and the individual index is several times higher. Therefore, the same type of wheel hub is usually more expensive than low-pressure casting.
2.Appearance. Whether it is a cast or forged hub, it is difficult to see too much difference from appearance without marking after various processes, but generally, the forged hub spokes will be more simple and fine.
3.Performance. The wheel hub produced by low pressure casting has good filling property, less shrinkage and high compactness because of mold filling and solidification under pressure. The wheel hub produced by forging has higher strength, toughness and fatigue strength because the grain flow direction of the wheel hub is consistent with the stress direction.

Only those that can't be forged, the cost of forging is too high, or the mechanical properties of products are very low, can they use casting products. Now many are casting to forging, the process is very complicated, low material utilization. It is recommended to choose forged wheel hub.

After the festival, is your truck maintenance in place?
As soon as the Spring Festival is over, the card friends have also started the journey of returning to work. But before driving, you should remember to give your car a comprehensive inspection to make sure it starts again. How to resume maintenance? Let's have a look!

Observe the coolant level
First, open the front cover of the vehicle and observe the coolant level. There are two reasons for the decrease of coolant when the vehicle is parked for a long time

1.Coolant leakage: first observe whether there is coolant leakage at the bottom of the car. If there is any leakage, take measures to stop the leakage in time, and then add the coolant between the lines.

2.Aging and cracking of water retaining ring of engine cylinder liner: if there is no coolant leakage at the bottom of the vehicle, check the oil level and increase the oil level, it means that the water retaining ring of the engine liner is aging and cracking, which leads to the coolant flowing into the oil pan. At this time, it is important to pay attention to the failure to start the engine, and contact the service station for maintenance as soon as possible.

Check the air reservoir for water
After parking for a long time, the air pressure of the air reservoir is low. This is a good time to check the air reservoir. The air reservoir should be drained from front to back. If the air reservoir can discharge water, the drying tank should be replaced in time.

The brake is easy to rust, so you need to be careful of locking the brake
The brake body is the lifeblood of truck safety. It must be checked 100% in place, and driver friend must "walk" the truck before starting work. If you stop driving for a long time and encounter too much rain and other humid environment, the brake bearing parts are easy to rust, resulting in incomplete return, or even unable to return at all. You may as well try butter first. If it still doesn't work, you have to do system maintenance.

Check the battery
When the car is parked for a long time, the battery will be released slowly, and the battery is easy to lose power. If it can't be hit at one time, it will be more difficult to think about it later. It's better to start the car two days before departure and charge it at idle speed for half an hour~

Check the oil for oxidation and blackening
The overall performance of engine oil will decline after oxidation, and the most direct performance is that the lubrication, cleaning and cooling effect become worse. Poor lubrication effect will lead to no lubrication friction between various parts, in short, the lack of lubricating oil, leading to dry wear. It may lead to abnormal wear and tear of parts, or it may lead to scrapping of engine, resulting in huge losses.


Therefore, if you find that the engine oil is oxidized and blackened, you must replace it in time. When selecting engine oil, it is best to select the oil with the viscosity recommended in the vehicle manual or maintenance manual, and try to keep the same viscosity as the oil previously used.


Q1. What is your terms of packing?
A: Generally, goods are sealed in ploy bags and packed in cartons and pallet or wood cases.

Q2. What is your terms of payment?
A: T/T (deposit + balance before delivery). We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 25 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample for free charge if we have ready parts in stock, but the customers have to pay the courier cost.

Q7. How do you make our business long-term and good relationship?
A: We provide our clients with one-stop service, from specific component to final assembled products, solving various problem for different clients all over the world.

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