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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Producing small rage shell
 Bek, Martin ; Císařová, Michaela (referee) ; Lidmila, Zdeněk (advisor)
The bachelor's thesis focuses on the production of a small rage shell and the choice of a suitable technology. Brass with the designation MS70 is chosen as the material, according to ČSN 423210. Brass is a suitable material for cold forming. Due to the high number of pieces produced per year, the combination of two technologies proved to be the most economical variant. First technology is back extrusion technology. The input semi-finished product is a calibrated cylinder and the output product is a cup. Subsequently, the cartridge is made by drawing with thinning the wall. This method of manufacturing the shell is advantageous mainly due to the excellent use of the material and, in contrast to sheet metal forming, there is no high proportion of waste from sheet metal. The material is supplied in bars and cut into precise blanks that correspond in volume to the finished shell. Extrusion and drawing tools are shown in the accompanying technical drawings.
Detailed record
Producing small rage shell
 Bek, Martin ; Císařová, Michaela (referee) ; Lidmila, Zdeněk (advisor)
The bachelor's thesis focuses on the production of a small rage shell and the choice of a suitable technology. Brass with the designation MS70 is chosen as the material, according to ČSN 423210. Brass is a suitable material for cold forming. Due to the high number of pieces produced per year, the combination of two technologies proved to be the most economical variant. First technology is back extrusion technology. The input semi-finished product is a calibrated cylinder and the output product is a cup. Subsequently, the cartridge is made by drawing with thinning the wall. This method of manufacturing the shell is advantageous mainly due to the excellent use of the material and, in contrast to sheet metal forming, there is no high proportion of waste from sheet metal. The material is supplied in bars and cut into precise blanks that correspond in volume to the finished shell. Extrusion and drawing tools are shown in the accompanying technical drawings.
Detailed record

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