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Manufacturing of lift bracket
Měřičková, Petra ; Lidmila, Zdeněk (referee) ; Podaný, Kamil (advisor)
The bracket is used to attach the movable mechanism of elevator door. The component is made of constructional steel 11 375 with the thickness of 3 mm. The batch size is 30 000 pcs/year. The rolling cutting method, followed by bending in the combinated tool, was chosen as the optimal technology. Technological and constructional calculations were carried out and the tool was consequently designed. The basic drawing documentation for the tool was implemented. LE 400 press with a nominal force 4000 kN was selected from machinery equipment company. Cost of production of one piece were established, the production becomes profitable for a series of more than 19 133 units / year.
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Production of anchor foot
Kovář, František ; Peterková, Eva (referee) ; Lidmila, Zdeněk (advisor)
The present bachelor thesis deals with a design of anchor foot used for fixing wooden structures to concrete foundation. The anchor foot is manufactured from 4 mm thick sheet steel 11 375 (S235 JR); the batch production is set out for 100,000 pieces per year. From among production possibilities, production on a combination tool was selected as the most optimal production technology. Based on the literature study of cutting and bending technology, an optimal production process of new anchor foot has been designed. For these production technologies, technological and control calculations have been carried out. Using these calculations, the combination tool was designed and project documentation was worked up. With regard to the size of total forming force, the eccentric press LKDR 500 from ŽĎAS Company was selected. In economic terms, the production costs were calculated for one anchor foot and the turning point of 8,232 pieces was found; exceeding this point makes the production profitable.
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Manufacturing of a Cable Bottom Part of a Switchboard
Radnický, František ; Žák, Ladislav (referee) ; Řiháček, Jan (advisor)
This master´s thesis is focused on design of suitable technology of cable bottom part of a switchboard, made from aluminum EN AW-1050A. As the semi-finished product is chosen the coil of sheet metal with a thickness of 2 mm. The production series of this component is 300 000 pieces per year. To select the most suitable technology for the production of solved component the evaluation of different available technologies was carried out, of which as the most appropriate method, the compound tool combining shearing and bending is selected. Literary search was created to the mentioned technologies. Furthermore, the technological and constructional solution is elaborated, which also includes the design of the combined process tool. As a forming machine was selected eccentric press Mecânica Exacta DM 250, where the compound tool is clamped. In the last phase, a technical and economic evaluation is performed to verify the suitability of the proposed solution.
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Manufacturing of pipe straps
Suchomel, Svatoslav ; Samek, Radko (referee) ; Podaný, Kamil (advisor)
The diploma work contains a solution of the production technology of a sleeve made of metal sheet 11 373.1, the thickness of which is 1,5mm, in the required amount of 36,000pcs a year. Out of all possible options, the production of cutting and bending in a sequential combination tool was chosen. Based on the literary study and performed calculations the tool is designed and chosen eccentric press LEN 40 C. The price of 2,40 CZK for a piece is derived from the economic evaluation. The work contains drawing documentation of chosen parts of the tool and its assembly.
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Production of trap capture
Barták, Jan ; Heinl, Tomáš (referee) ; Žák, Ladislav (advisor)
This bachelor thesis presents a proposal for the production of trap capture, which is made from construction steel S 235 JRC with a production series size of 6 000 pieces a year in a combined instrument. Based on a literary study and the calculations associated with them, a combined instrument has been designed to combine shearing and bending. The design of the instrument was adapted to produce of a sheet metal roll component. The instrument is placed in a steel stand clamped in an eccentric press LEN 63C by ŠMERAL Trnava. The LEN 63C has a nominal forming force of 630 kN. For corrosion resistance the component is zinc-coated. Part of the thesis is also an economic evaluation of the proposed production technology.
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Manufacturing of the part "shaker" by cold sheet metal forming
Pekař, Pavel ; Císařová, Michaela (referee) ; Jopek, Miroslav (advisor)
The project elaborated design of technology production of the extract from the stainless deep drawing sheet 0,3 mm steel 17 240. Pursuant to of the literary pursuit a problem of the sheering and deep drawing was designed sheering and drawing with blank holder in combined tool. The tool is solved like customary rack with guiding rods clamped on the hydraulic press for forming of sheet PO 100 with nominal forming force 1 000 kN. Shearing die, drawing die and drawing punch are produced from tool steel 19 436.9 heat-worked according to drawing documentation.
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Door latch manufacturing by compound tool
Petřek, Pavel ; Dvořák, Milan (referee) ; Peterková, Eva (advisor)
The project drawn up within engineering studies, field M-STG, presents a design for processing a single part – the part is made of sheet steel number S195T by shearing and bending. On the basis of literary study was design compound tool which is working in three steps. The tool is fixed in eccentric press LE 250 with nominal force 25000 kN. Blanking punch and blanking die are made from tool steel 1.2379 according the drawing documentation.
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Manufacturing of a label door fittings
Návrat, Jakub ; Žák, Ladislav (referee) ; Podaný, Kamil (advisor)
Bachelor thesis is focused on the manufacturing of label door fitting. The part is made of a steel 11 320 with a thickness 1 mm. The batch sice is 150,000 pcs/ year. The manufaturing technology was choosen a method of rolling cutting with shallow drawing in the combinated tool. Technology and constructional calculating were made for this technology, from which was designed a tool and for it was made drawing. For the calculating total force and work was choosen a press LEPD 100. The costs for manufacturing one part are 39 Kč. The manufacturing is become cost-effective from 8 071 pieces/year.
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Manufacturing of the Body Part of an RC Helicopter
Kománek, Michal ; Císařová, Michaela (referee) ; Řiháček, Jan (advisor)
This thesis deals with the production of manufacturing of the body part of an RC helicopter, made from aluminium sheet with a thickness of 1 mm. Set production series is 200 000 pieces per year. After researching suitable production methods, the technology of progressive stamping was chosen. Based on theoretical knowledge has been design a production plan with the highest productivity. Technological and design calculations serving as a basis for tools and press selection are also an essential part.
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Improvement of drilling technology of flange for a submersible electric motor
Veselský, Radim ; Kalivoda, Milan (referee) ; Jaroš, Aleš (advisor)
The goal of this bachelor’s thesis is introduction of existing drilling technology, assessment of existing technologies and design combined step–drilling tool. The first part of the bachelor’s thesis describes existing drilling technology, drilling tools and drilling machines. The second part of the bachelor’s thesis describes workpiece and existing technological process of its production. The last part of bachelor’s thesis consists of design of new step–drilling combined tool and its implementation to new technological process.
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