OAO Ivatsevichdrev - Siempelkamp

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Transport and assembly of the graphite bar blanks into ring kiln chambers our greatest challenge was therefore to sufficiently protect the control system and com ponents of the crane, and despite the graph ite dust, guarantee the high availability sGL requires from the crane,” thies steffen explains, sales engineer at sKt. the process of planning the crane was based on the generally applicable design specifications of the sGL Group. over and above these, the sKt team were presented with a series of special measures, designed to take account of the special situation. All components were fitted with removable protective hoods and housings to prevent dust fouling. the crane and trolley running gear were fitted with rail-cleaning brushes. these additional precautions included the stipulation of higher electrical IP protection classes (IP = ingress protection) for all components (IP55), as well as for all control cabinets and terminal boxes (IP66). sKt pro tected interfaces such as cable openings, inlet and outlet filters etc. with corresponding special designs. SIeMpelkAMp | nUCLeAR teCHnoLoGy All control cabinets were additionally fitted with air-conditioning units; all drive systems were equipped with double temperature monitoring systems, including alarm systems to provide warnings or shut down in the event of overheating. A further special feature was that “due to the dark and dusty environment, we designed the crane lighting system to provide optimal illumination of the work area under the crane, using 140 W LeD spotlights mounted both under the trolley and on the crane bridge,” explains thies steffen. Less space, more crane A further boundary condition that likewise required a special solution was that the new sKt crane had to match numerous key data of the predecessor crane in order to continue servicing all of the production sites as before. these included the special start-up
SIeMpelkAMp | nUCLeAR teCHnoLoGy 38 39 A strong team for SGL Group: Karl Utz, Markus Lipp, Reinhard Dirr, Thies Steffen (SKT) and Christian Stuchly dimensions, maximum hook heights, and the arrangement of the crane hooks relative to each other in the travel directions of the crane and trolley. As the regulations for safety distances be tween cranes and the prescribed dimen sions for accessible craneways have changed over the years, there was overall less space available in which to install “more crane”. this task proved to be tricky, but it was able to be resolved as was the problem of ensuring acceptable accessibility for maintenance work, while re taining the minimal space conditions. After the successful installation and commissioning of the new crane, the sKt decommissioned the old crane, disassembled it, and delivered the new siempelkamp crane in April 2012, after acceptance testing by a crane expert. since then, it has been in continuous 24-hour use at the Meitingen plant, at ring kiln 2. SGL Group, Meitingen, ring kiln area: SKT double girder bridge crane with view to the crab trolleys and load pick-up
Page 1 and 2: Issue 02 | 2012 OAO Ivatsevichdrev:
Page 3 and 4: SIeMpelkAMp | eDItoRIAL acillam Dea
Page 5 and 6: SIeMpelkAMp | MACHIneRy AnD PLAnts
Page 21 and 22: SIeMpelkAMp | FoUnDRy Machine beds
Page 23 and 24: SIeMpelkAMp | FoUnDRy Storage of th
Page 25 and 26: SIeMpelkAMp | FoUnDRy “Big calibe
Page 35 and 36: SIeMpelkAMp | nUCLeAR teCHnoLoGy 34
Page 37: SIeMpelkAMp | nUCLeAR teCHnoLoGy 36
Page 41 and 42: SIeMpelkAMp | GRoUP 40 41 Products

OAO Ivatsevichdrev - Siempelkamp

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