The Cross-piece steering shaft – one of the main components of the propeller shaft of each car. This mechanism performs the function of transmitting the torque from the box on the drive axle (usually the rear) under a constantly changing angle during the rotation. Today we will look at how the crossbar of the steering shaft, from which it is made and how it works.
Directly to the body of the machine is made of high strength alloy steel. In the production process under the name the spider of the steering shaft there is a long heat treatment stage, thus providing high surface hardness spikes. As a material for the outer clips used bearing steel. It is also used for the production of needles of clips, which are also part of the cross.
The crosspiece of the steering shaft ("Toyota Prado" in particular) is a kind of a cruciform hinge, ensuring the alignment of all elements which rotate during transmission of torque. Joint the propeller shaft has two forks, which are connected with a crossbar. The ends of these devices are connected with four spikes, and the plugs themselves are attached to the pipe "gimbal". Thus, the crossbar of the steering shaft (VAZ-2113, in particular) is driven by the needle bearings, put on 4 of the stud (end) of the whole mechanism.
It is Also worth noting that each of the two forks, there are special openings. They are set and needle bearings. Reliability and protection from displacement of these device provides the snap ring. Its thickness depends on the permissible axial clearance. By the way, some motorists change a regular snap rings on the device small size to reduce backlash and vibration.
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The purpose of the cross is to provide a movable connection that can change its angle on a rough road, through which the driveshaft provides a torque transfer on the drive axle shafts. It should be noted that the crossbar of the steering shaft can also absorb the resulting shocks and vibrations during hitting of the car on the bump. Thus, this small detail extends the life of the entire shaft, taking the entire load and blows at the connection.
Not all cars fitted with the same size of the crossbar. Each model is equipped with their own device, so when buying you should not rely on the choice of device for different models of cars. Here, for example GAZelle and “Volga”, despite the fact that they have a common engine and even the device in General, are equipped with completely different sized frogs.
The Crosspiece of the steering shaft has a very simple design, which so bravely withstands bumps and can be as durable. On average, this unit goes down to 500-thousand mileage, so it is considered one of the most durable parts in the whole car design. The only thing that the mechanism needs is a periodic oiling. If you regularly monitor the condition of the crossing, it will last even more than the aforementioned period.
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PL: https://tostpost.com/pl/samochody/39510-co-to-jest-krzy-ak-wa-u-kierownicy-i-jak-to-dzia-a.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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