On July 21, 2012, Beijing ushered in the largest torrential rain in 61 years. This torrential rain brought many disasters to many vehicles. After the heavy rain, there will be a large number of submersed vehicles flowing into the used car market and turning to the field. How do you plan to buy a used car in the near future? Next, the editor will support you with a few strokes.
Most of these immersed vehicles are dragged out of the water within two or three days. After the vehicles are repaired, they will not only be “lived†for more than three years than normal vehicles, but also have a great potential safety hazard. . Water-soaked vehicles are mainly affected by: circuit systems, power systems, and car odors. The most influential one is the circuit system. At present, most of the higher-level vehicles are equipped with high-tech electronic aids such as SRS, ABS, EBD, and TCS. After blistering electronic instruments, they are often unrecoverable.
â—Circuit system
We can judge from some surfaces first, such as the screws and parts of the instrument panel, and carefully observe whether there are signs of replacement. If there are accidents or major repairs, there should be traces of dismantling. Then we can lift the carpet inside the car and hide many lines underneath to see if there is any sign of oxidation and rust in the joints.
â— Power system
When the vehicle is immersed in water, due to improper operation of the owner, large underwater pressure and other reasons, some vehicle engine valve lifter, crankshaft and other parts will have deformation and damage, these are sure to open the engine overhaul, we can open the engine After the cover is carefully observed, see if there are traces of screws on the engine support frame, and there is no sediment-like stain on the tank.
â— smell inside the car
In general, the smell of odors in the interior of a car is usually cleared by lemons, charcoal, and aromatics. However, after a few months of treatment, these odors will reappear. The seat of the car is mainly foam, covered with flannel or leather. The general treatment of submersed car seats is to remove the seat, rinse with fresh water and then dry, but drying will cause the seat to break, foam oxidation, as long as you carefully observe can be seen. Many of my friends questioned that if a business is allowed to dry indoors and let it dry naturally, it will be difficult to identify, but most businesses will not have so much time. Businesses hope that the faster the car will be renovated, the sooner it will be sold. There is a flannel seat, if the roof has been cleaned and treated, will play hair ball, this situation is better to identify. In addition, the bottom of the seat belt is a blind spot. This place is not easy to clean. If it is a flooded car, there will be traces.
Summary: When we are purchasing a vehicle, the other party will generally not allow you to test the car, let alone open the door trim panel, instrument panel and other places. Therefore, we must choose to go to large, regular used car market, dealers to buy, do not want to be cheap, buy lower than the market price of used cars. Must sign a regular "Used Car Dealership Contract" at the time of purchase. The second article of the contract states that the vehicle is not a major accident vehicle, including water soaking, severe impact, fire, engine changes, etc. After purchase, the vehicle is found to be a submerged vehicle, and friends We must safeguard our rights and avoid losses.
Self-aligning ball bearings Include two rows of balls, the cage, the inner ring, and the outer ring with a common concave sphered raceway. Self-aligning Ball Bearing have a sphere raceway in the outer ring and a double raceway in the inner ring. This feature give the bearings their self-aligning property, permitting angular misalignment of the shaft relative to the housing. Ball bearings are therefore particularly suitable for applications where misalignment can arise from errors in mounting or from shaft deflection. Double row self-aligning ball bearings are mainly used to carry radial loads and light axial loads, but cann't carry pure axial loads.
Feature:
Mainly bear radial load, and can bear smaller axial load. Axis (shell) axial displacement limit in the clearance limits, the heart performance is automatically adjusted, normal work allows the inner and outer relatively small tilt conditions, suitable for bearing hole can not strictly ensure the concentricity. Self-aligning ball bearings are consequently self-aligning and insensitive to shaft deflections and angular misalignment of the shaft relative to the housing, It is particularly suitable for applications where considerable shaft deflections or misalignment are to be expected.
Self-aligning ball bearings have a common sphered raceway in the outer ring. This feature allows angular misalignment of the shaft relative to the housing. Therefore self-aligning ball bearings are particularly used in case of bearings where misalignment can occur from errors in mounting or from shaft bending.
Types:
Retainers are mainly made of steel sheet, synthetic resin, nylon etc. Its feature is the outer ring raceway spherical surface and automatical adjusted, so it can compensate for the deviation caused by different axial angle.
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Main Application
Owning to its specific structure, the self aligning ball bearing can be used in some relative field and some general lines.For example, Self-Aligning Ball Bearing applies to carry heavy load and impact load. Mine machine, port hoisting machine, port transfer equipment.
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