English Views: 347 Author: Site Editor Publish Time: 2021-08-16 Origin: Site
Bucket teeth shaped like human teeth are one of the most easily worn parts in the excavator. Composed of root and tip, the tip of the tooth is the most prone to failure. According to excavator bucket manufacturers, the quality of bucket teeth directly affects the work efficiency and production cost of the excavator. Therefore, choosing the right excavator bucket teeth can help extend the service life of the machine, reduce maintenance costs, and give full play to the role of the excavator. This article will introduce how to choose the right bucket teeth and replace worn bucket teeth. Hope you can make it through the following simple steps.
According to different applications, the common bucket teeth on the market are divided into three types. The first one is chisel teeth which are bucket teeth for excavating soil, sand, and gravel. this kind of tooth is usually matched with a larger mouth area and a larger volume. With stacking surface, it has a high filling factor, which saves operating time. The second one is rock teeth which are generally suitable for mining iron ore, stones, and rocks. Made of heavy working strength wear-resistant steel, it is good for better digging performance and outstanding economic effect. The last one is tiger tooth which is mainly used to penetrate rock formations with lower hardness. Tiger teeth have great impact force and are widely used in coal mining.
Common installation methods include side pin installation and top pin installation. The top pin type refers to the vertical installation of the pin and the excavator bucket. When digging, the ejector pin will be subject to the frontal extrusion pressure of the material. If the digging force is too large and the retainer cannot meet the requirements, it will cause the tooth pin to fall off. Therefore, this method is generally used for machines with lower tonnage.
Side pin type refers to horizontal pin installation. The side operation space is small and disassembly is inconvenient, so special long rod tools must be used for disassembly and assembly. When digging, the side pin can withstand greater digging force, and is generally used for excavating more than 20 tons of excavators. However, if the holder is subjected to a large reciprocating lateral force in use, it is easy to wear and fail, causing the tooth pin to wear.
Different processing methods have a great influence on the quality of bucket teeth, and the common ones are forging casting, precision casting and sand casting. Forged teeth are the highest cost and best quality bucket teeth. If the excavator is used for earthwork, and the frequency and need to replace the bucket teeth are small, forged bucket teeth are recommended. Although the price is much higher, its service life, manufacturing process and quality are the best.
The price of precision casting teeth is moderate. The materials are very strict, and the technical level is relatively high. The wear resistance and quality of some precision cast teeth are even higher than that of forged teeth because of the composition. Precision casting tooth is currently the mainstream manufacturing technology market in the world. If the demand is large, precision casting bucket teeth are a good choice because precision casting bucket teeth have advantages in price.
Sand casting bucket teeth have the lowest price, and the level and quality of sand-casting bucket teeth are not as good as precision casting buckets.
All in all, there are still other ways to help choose and replace bucket teeth correctly. For example, you should identify your bucket teeth Size. If you do not know the specific model of the excavator, you can determine the bucket teeth size by measuring the pin and retainer sizes, or you can measure the teeth pocket size, it’s also a good method. And you should learn how to replace your worn bucket teeth. And then your loader or excavator successfully by repeating the above steps yourself without professional assistance.
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