Common excavator structures include power units, working devices, slewing mechanisms, operating mechanisms, transmission mechanisms, walking mechanisms and auxiliary facilities....
Jun 30, 2022
The production of excavators in China started relatively late. Since Fushun Excavator Factory produced the first mechanical single-bucket excavator with a bucket capacity of 1 m...
Jun 22, 2022
It has been more than 130 years since the first manual excavator came out. During this period, it has experienced the gradual transition from steam-driven semi-rotary excavators...
Jun 16, 2022
Originally, the excavator was manual, and it has been more than 130 years since its invention to 2013. During this period, it has experienced a full range of excavators from ste...
Jun 10, 2022
1. During the use, transportation and replacement of excavator parts, bumps, paint peeling, rust, etc. often occur, especially heavy iron parts, as long as the parts themselves ...
May 27, 2022
Problems with track rollers produced by domestic manufacturers 1. Many steel grades are not up to standard, and the heat treatment process has not been well developed. 2. Viciou...
Mar 03, 2022
A. Wheel body wear. The reason for this is that the steel used is unqualified or the hardness of the material during heat treatment is low and the wear resistance is insufficien...
Feb 25, 2022
The main structure The track roller is one of the four-wheel belts of the crawler-type construction machinery chassis. Its main function is to support the weight of the excavato...
Feb 18, 2022
The bolt and nut gasket refers to the part between the connected part and the nut. It is generally a flat metal ring, which is used to protect the surface of the connected part ...
Jan 31, 2022
1. Before assembly, inspect the bolts, nuts or the wire holes of the connected parts daily, and there should be no bumps or scratches. In accordance with drawings or relevant st...
Jan 28, 2022
The grades of metric bolts are: 4.6; 4.8; 5.8; 6.8; 8.8; 9.8; 10.9; 12.9. The grades of metric nuts are: 4; 5; 6; 8; 10; 12 where 4; 5 is the strength grade of the thin nut. So:...
Jan 21, 2022
Nut grade analysis: Nuts are divided into ordinary, non-standard, (old) national standard, new national standard, American system, British system, German standard, etc. accordin...
Jan 14, 2022
