Stackers are ostensibly appraised for limit in tons every hour. They regularly go on a rail between stockpiles in the stockyard. A stacker can as a rule move in no less than two headings on a level plane along the rail and vertically by luffing raising and bringing down its blast. Luffing of the blast limits tidy by diminishing the separation that material, for example, coal needs to tumble to the highest point of the stockpile. The blast is luffed upwards as the tallness of the stockpile increments. A few stackers can pivot the blast. This enables a solitary stacker to shape two stockpiles, one on either side of the conveyor.
The control framework utilized is normally a programmable rationale controller with a human machine interface for show associated with a focal control framework. The transport lines utilized as a part of stackers might be made of texture or metal wire, contingent on the material to be dealt with. They are driven by pulleys, which thus are driven by DC engines. The engines and apparatus are coupled by liquid coupling. Most stackers are electrically fueled by method for a trailing link. There are fundamentally two sorts of link trailing control string turning drum and control link pivoting drum. Pendulum modifications are made to guarantee the best possible arrangement of these links while the hand pallet truck is voyaging.