National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Manufacturing of ceiling base by sheet metal forming
Hořava, David ; Podaný, Kamil (referee) ; Peterková, Eva (advisor)
The thesis is focused on the proposal of manufacturing technology of the ceiling base, which is produced in series of 100 000 pieces per year. The part is used to attach the support bracket to the ceiling and made of steel sheet with a thickness of 2 mm. The chosen material is galvanized DC01 steel. Production in a progressive die was chosen as the most suitable production option. The semi – finished product is a coil of sheet metal strip. In the proposed tool, which combines shearing and bending operations, the component will be manufactured in four steps. The forming force required for the production of the part is 1 510,6 kN. The eccentric press CC160 from the company Mecanica Exacta was selected for the production.
Piston rod eye production
Hořava, David ; Jopek, Miroslav (referee) ; Lidmila, Zdeněk (advisor)
The bachelor's project elaborated design of technology production of the piston rod eye in series of 45 000 pieces. The piston rod eye is made of steel rod C45E by die forging. Pursuant to of the literary pursuit and necessary technological calculations was chosen a pneumatic – hydraulic hammer KHZ 4A, from the company called Šmeral, with a forming energy of 50 kJ, for forging of component. Cross wedge rolling machine was chosen for overdosage of forged piece in form of double piece. Shearing press LKOA 200, from the company called Šmeral, with a forming force of 2 000 kN, was chosen for shearing of forged piece. At the end, the technical – economic evaluation of material costs was calculated.

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