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Barrel production
Brejčák, Dušan ; Štroner, Marek (referee) ; Lidmila, Zdeněk (advisor)
Bachelor‘s thesis contains basic specifics of arms barrels. Further presents choice of semifinished product, possible production methods of grooved barrel, description the method of rotary forging, usage of rotary forging and main principles of forging machines. There is shown technological proces of specified barrel in the last chapter, which is displayed by description of operations with a relevant pictures.
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Production Design of the Bicycle Disc Brake
Brejčák, Dušan ; Císařová, Michaela (referee) ; Řiháček, Jan (advisor)
The solved problem is production of brake disc, which is part of bicycle´s disc brake. For production is chosen rustproof steel ČSN 17 024. The thickness of materiál is 2 mm and there are 200 000 pieces produced per a year. After assessment of manufacturing variants the best method is fine-blanking technology with v-ring and there is developed a literary recherche for this matter. Then there are evaluated technological and control calculations. For production as semiproduced material is chosen roll of sheet metal with its outside diameter 1 200 mm. There is made a suggestion of design of cutting tool and for manufacturing it is chosen hydraulic press Feintool HFA 4 000.
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Barrel production
Brejčák, Dušan ; Štroner, Marek (referee) ; Lidmila, Zdeněk (advisor)
Bachelor‘s thesis contains basic specifics of arms barrels. Further presents choice of semifinished product, possible production methods of grooved barrel, description the method of rotary forging, usage of rotary forging and main principles of forging machines. There is shown technological proces of specified barrel in the last chapter, which is displayed by description of operations with a relevant pictures.
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