GKM Siebtechnik, Waibstadt, Germany, has developed a new pneumatic multi-deck lifting system allowing multiple deck lifting and exchange in a single operation in order to minimise downtime. By means of the pneumatic cylinders, all screening decks can be lifted simultaneously.

The current version of the pneumatic deck lifting system, launched in 2017, which is installed in tumbler screening machines, allows screen inserts to be changed one at a time. When used with multi-deck screening machines each deck has to be raised and changed separately. This is time and labour intensive, depending on the number of screen inserts to be changed.

With the new lifting system, between two and four decks can be the exchanged and inspected after which the complete screening decks are lowered precisely back to their correct location. This innovative pneumatic multi-deck lifting system can be installed or retrofitted on tumbler or vibrating screening machines with diameters of between 600 (one to three deck units) to 1200mm (from one to four deck units). Where access is limited, the system is particularly advantageous because only single-side access to the machine is required. When used in conjunction with the GKM quick-clamp system, time-consuming loosening and tightening of the nuts on the 10-12 clamping screws, is eliminated as is the use of tools. In addition, the system guarantees a uniform deck clamping force.

This latest pneumatic multi-deck lifting system has already been successfully implemented by several leading manufacturers in the chemical industry. www.gkm-net.de
 

GKM 1000 screener fitted with the new pneumatic multi-deck lifting system

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