The best-performing mining machines for their respective roles have been around for years with the wide range of Caterpillar products. One of them, this time is the PLOWS GH800 which is a development from a powerful simple plow to become more powerful and reliable and high-performance. This high performance can be proven from its optimal performance in handling coal with soft to hard textures. This development was influenced by several things, including the existence of a modular design on the body of the plow with a small turret installed in order to adjust the stitch height. The turret can bring the plow body up and down consistently precisely up to 300 mm so that reactionary forces can be resisted until the plow guide reaches maximum height with the help of worm gears which can be easily accessed from the gob side side. The gobside has a breaking strength of around 3000 kN because it is designed by a connector that depends on the line pan used, and does not escape the plow chain that is installed.
The plow chain is a general guarantee of the GH800’s role in a wide range of coals with an installation of approximately 2 x 400 kW for a usable chain size of up to 38 mm. During the cutting process, the coal will not stop flowing during loading due to the ease and speed of accessing the upper and lower chains. Moreover, supported by the best power produced by this machine, it can reduce engine wear and even prevent overheating of the motor. With the sharing of the load, this machine is also designed with full protection against loads in various ways. Starting from the shock load is eliminated, the use of superior chains, the use of automatic systems so that it is more practical and faster, and even longer component life. The other offering is a Shock Absorber which helps reduce wear on the chain, drive and plow. Moreover, the plow body which has high strength and has several points of contact to operate, of course, requires optimization of the material properties, so that with the Shock Absorber the operation of the plow can run smoothly.
In special applications, the GH800 has a dual plow body for loading separately with coal seams to proceed to the cutting stage. Moreover, for the maximum cutting depth, various adjustments are needed in order to still provide high productivity at maximum speed. As for the single plow, it will be operated specifically in the lower chain. Optimization is also improved on the contact surface by reducing friction and vibration for low noise and a long-life flight bar. It is also equipped with a control system in the form of a VCU (Visualization and Control Unit) which is given to each protector that works to visualize the operation through a graphical display to transfer data to the surface. In addition, the GH800 also provides excellent service, so overall this GH800 engine is very important in coal mining with high quality in OEM parts.
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