Évaluations - 4, GPA: 4 ( )

Fabricant : Elektra Beckum Taille : 1.35 mb Nom Fichier : e1af1b55-bdbb-43d3-b618-6831ef15fd39.pdf Langue d'enseignement:

-From time to time re-measure the thickness of the metal of the work piece support. The support must be replaced if it is so worn that its thickness measures only 1.8 mm at any one point. 7 8 Machine Components Comment: Several constructive details distinguish these double grinding machines. The handling, described in the following, is in principle the same with all machines. 10 9 2 9 Wall bracket stock-no. 090 000 1150 10 Pedestal support base stock-no. 090 000 1134 Machine Installation The grinding machine should be firmly mounted in a suitable location. For mounting on a firm and flat base 4 holes are provided in the machine's base (see arrows in fig. 2). The height should be chosen so that the tool rest is at about elbow height. Ensure a power outlet is available at a distance of approx. 100 - 150 cm. Metabo can supply floor or wall mounted supports (see fig. 2) fulfilling the requirements for stability and correct working height. 3 2 1 5 4 6 5 6 7 8 1 Installation of Spark Protection Assembly For reasons of packing the spark protection assembly is not factory installed and needs to be user installed before operation of the machine. Fig. 3 shows the components of the spark protection assembly and how they are installed to the grinding wheel cover on the right hand side. Installation to the left hand side wheel cover is similar. 3 D C E H G A F 1 Switch ON/OFF 2 Tool rest, left 3 Grinding wheel, left 4 Power cable with plug 5 Indicator for direction of rotation (sticker) 6 Spark protection assembly 7 Grinding wheel, right 8 Tool rest, right A adjusting guard plate B hexagon head bolt M 4 x 55 C lock washer D hexagon nut M 4 E spark glass guard F slotted screws G disk H hexagon head screw M 5 x 20 3 F B A C D E 1 Grinding wheel 2 Tool rest 3 Spark arrester bracket Setting of Tool Rest and Spark Arrester Bracket The tool rest and spark protection assembly's spark arrester bracket have to be set from time to time to compensate for grinding wheel wear. The gap between tool rest and wheel should not be more than 2 mm and not more than 2 mm between wheel and spark arrester bracket. 4 3 2 1 Prior to Commissioning The mains voltage must correspond with the voltage stated on the machine's name plate. The grinding wheels are to be subjected to a resonance test (see section Grinding Wheel Check below). This resonance test is also to be carried out when replacement grinding wheels are mounted. The grinder is to be subjected to a no-load trial run for at least 5 minutes. Do not stand in the grinder's danger zone during this trial run. Commissioning This double bench grinder is used for rough grinding. Please note that it is not intended for continuous operation. To prevent possible overloading/overheating it should not be operated for more than 15 - 30 minutes at a time. Let grinder cool down before operating again. Apply moderate pressure when holding the workpiece against the grinding wheel. Remember that the metal heats up by the grinding. The workpiece...

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