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Kangmai oil lubrication hub The hub is not your "wheel hub"
When it comes to wheels, my first impression is that there are various gorgeous rims on the sedan, but in fact the hub does not refer to that simple steel rim. In our impression, the sculptural "wheel hub" actually refers to the rim and spokes, which are similar to the steel rims and spokes in bicycles. The real wheel hub is the link wheel and the axle, the rotating part responsible for the load, and it plays the role of the bearing in the bicycle.
Double rear section
Since the hub is a relatively moving part and is also responsible for carrying the weight of the vehicle, transmitting power, and cooling the tire, its durability and lubricity must be of paramount importance. After understanding why the hub needs to be lubricated, let's explain what is grease lubrication and what is oil lubrication.
Common grease lubricated wheels
As the name suggests, grease lubrication is the way to apply grease to the shaft end to lubricate the wheels and axles. Fat-lubricated hubs are commonly used on most domestic models because of their low cost and simple structure. However, it is not easy to know, not easy, I believe that every car driver has had the same experience, not only need to constantly check the lubrication of the wheel, but also drive into the repair shop every three times, with a sledgehammer will almost stick in the axle The tires and hubs on the shaft head "knocked down", digging a bit of grease by hand over the shaft head, and then mounting the hub back.
Grease-lubricated hub removal
It takes time and effort not to mention that such frequent disassembly will often cause irreversible wear on the shaft threads. Things are removed once loose once, the bearing inner ring and the shaft tube should be tightly integrated, so the round-trip estimation is not so close. If some small impurities on the hand are applied to the shaft head together, long-term high-speed operation will reduce the service life of the hub.
Oil-lubricated wheels can be maintained without disassembly
With the development of technology, there is another form of hub lubrication - oil-lubricated hubs. Unlike solid grease lubrication, the oil-lubricated hub completely immerses the bearing components in the lubricant. Compared with solid grease, lubricating oil has better fluidity and heat dissipation, that is, it reduces wear between parts and parts, effectively reduces the temperature of parts, and can also take away worn-out metal chips. It plays a role in cleaning, which extends the service life of the components and improves the reliability of the hub.
But for users, the biggest advantage is the longer maintenance cycle and easy operation. Take Comen wheel hub as an example, the hub cap is designed as a visualization window, and only needs to wrap around the vehicle for a week before the vehicle is out. By observing the transparent hubcap, you can know whether the hub is oil-deficient or not. Check the entire wheel hub. Oil lubrication hub maintenance only need to use the oil drain screw to put out the old oil and add new oil, maintenance cycle of up to 500,000 kilometers, effectively solve the many problems caused by the grease lubrication hub.
Kangmai oil lubrication hub
A thousand miles begins with a single step. It is believed that everyone has read the article and has understood the form and importance of the lubrication of the hub. Nowadays, the use of oil-lubricated wheels has become a way for many brands to reflect the high end. Long-effective wheel hub technology is an inevitable trend in the current logistics environment that focuses on high efficiency and safety, and is an important guarantee for reducing the cost of operation and maintenance, improving transportation efficiency, and enhancing safe transportation. Obviously, oil-lubricated hubs will eventually replace fat-lubricated wheels as one of the essential accessories for heavy-duty trucks.
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