There are two structures of the excavator lower frame, one is a small X frame, and the other is an H-type. The lower frame of the excavator bears the weight of the whole machine, among which the track bottom roller, the sprocket wheel, and the guide wheel play a very important role in the working performance and walking force of the excavator.
This issue shares the doorway of these three wheels:
What is the role of the track bottom roller?
The main load-bearing mechanism is also the walking mechanism of the excavator.
These parts all play a pivotal role? How to choose?
You think that the track bottom roller has to bear a large load, needs to have good wear resistance, and has high hardness requirements. In addition, the working environment of the track bottom roller is also relatively harsh, often in dust, and sometimes soaked in mud and water, and needs to have good sealing.
So what are the advantages of Huayang track bottom roller compared to the parts on the market?
Huayang track bottom roller has three major performance advantages: 1. High load-bearing; 2. Wear resistance; 3. Good sealing performance. The wheel bodies are all welded first and then finely processed by CNC lathes to ensure that the track bottom roller shaft is in uniform contact with the copper sleeve in the wheel body, which increases the service life of the copper sleeve. The surface is finely ground and the finish reaches Ra0.4 or above, which is more wear-resistant. The wheel body accessories use high-quality molybdenum-containing floating rings and Parker sealing rubber rings. The copper sleeve copper layer sintering thickness is 0.7mm. Under harsh working conditions or climatic conditions of -45℃~120℃, it can still maintain complete sealing performance and wear resistance.
So what is the role of the sprocket wheel?
The drag sprocket wheel is one of the important parts of the excavator. Together with the drive wheel, guide wheel, and track bottom roller, it is collectively called four wheels. The main function of the sprocket wheel is to hold the track upward so that the track has a certain tension. The Huayang sprocket wheel is not only suitable in size, but also has better heat resistance. Compared with the auxiliary parts, it is not easy to wear or break, and has a longer service life. Please keep your eyes open when purchasing parts~
Want to know what the guide wheel is used for?
The guide wheel is used to guide the track to rotate correctly, prevent deviation and derailment, and also has a certain load-bearing function. The two large wheels at both ends of the track have teeth, the one with teeth is the driving wheel, and the one without teeth is the guide wheel. Generally, the guide wheel is required to be in front and the driving wheel is in the back.
What problems will the use of aftermarket parts bring?
The riser design of aftermarket parts is small, and sand holes are easy to form inside, and the hardness is unsatisfactory; while Huayang guide wheels adopt normalizing treatment process, homogenized organization, increased hardness, improved steel performance, and large riser design to prevent sand holes.
