Basic introduction to Heavy Equipment


There is little explanation of heavy equipment in mining.
In the mining jobs are in demand to resolve quickly. It is necessary to consider the use of tools in accordance with the conditions of employment are concerned. It can not be avoided, given the manpower utilization manually with conventional tools is no longer efficient. In this book the author tries to provide a basic understanding on matters relating to heavy equipment, especially on the implementation of the work associated with the transfer of land. Some of the things described in the basic understanding of the tools and the introduction of soil properties in relation to the works of the mechanical removal of soil.

Minggu, 11 Maret 2012

GIANT KOMATSU EXCAVATOR PC8000


The PC 8000 of Komatsu

Komatsu's hydraulic front shovel excavators are in the lead everywhere. The Japanese PC 8000 had been hit number one in the world chart for quite some time. The peculiarity of this giant is its electric undercarriage. The PC 8000 is moved by 6600-volt electric motors and not by hydraulic motors like its rivals. Two 3516 EUIS Caterpillar turbocharged aftercooled diesel engines drive the generator and the hydraulic system. Together, these two 16-cylinder aggregates deliver a massive 3,730 HP at 1,800 RPM. Despite the tremendous power, with its top speed of 2.2 kph no wonder this monster is not the vehicle for high speed car chases. Depending on track width ground pressure is about 2.5 bar. At full work speed the hydraulic pumps drive 8280 litres of oil through the cylinders with work pressure of 310 bar. In order to operate this giant there must be fuel and hydraulic oil, and lots of them. The fuel tank has an amazing capacity of 14,000 litres while the hydraulics tank is trying to keep up with its 11,500-litre capacity. The larger shovel bucket has the capacity of 44 cubic meters and weighs a decent 58.2 tons while its break-out force is 2,000 kN.

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