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Method development of forged piece in conditions of modern forge
Vraštiak, Michal ; Psík, Eduard (referee) ; Podaný, Kamil (advisor)
Taking into account modern technology solutions has been selected die forging of the wheel hub of automobile steel 14220 (DIN 16MnCr5) about the serial 50000 pcs. Based on the literature study and practical experience has been solved forging process, including technological calculations, engineering drawings and results of simulations of the forging process performed by the Qform software tool. A tool was designed to be made of 19552 grade alloy tool steel. The forged piece is to be forged on an LZK 1000 crank press with the nominal forming force of 10 MN manufactured by Šmeral Brno. The stock is divided with shears from bar 45 mm 6 m long to bar 89.5 mm long.
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Precision forging
Berka, Martin ; Peterková, Eva (referee) ; Lidmila, Zdeněk (advisor)
This bachelor´s thesis deals with the technology of precision forging. The thesis describes basic distribution of the forging according to the nature of the material flow and his procedure. After the introductory part this thesis deals with the analysis of the methods of the drop forging with fin groove. The next section contains a description, parameters and methods of precision forging. Technical a economical evaluation of the component technology is as a conclusion of the thesis.
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Design of crane hook production
Horák, Tomáš ; Štroner, Marek (referee) ; Podaný, Kamil (advisor)
The thesis deals with the design of the production of a crane hook made of C45 steel. After evaluating suitable technologies, die forging on a mechanical press was chosen. Based on the analysis of technological technology, the shape of the part was modified and all necessary additions and limit deviations of forging dimensions were determined. The semi-finished product with a diameter of 65 mm and a length of 380 mm will be formed on a cross wedge rolling mill, bent on a separate press and subsequently forged. The crank forging press LZK 3150 B from the company ŠMERAL Brno a. S., With a nominal forming force of 31.5 MN, was chosen from the calculated forming force. The construction of the dies is based on the ČSN 22 8306 standard and they are made of 19,552 steel with subsequent heat treatment.
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Forging oblong forgings
Chudý, Jan ; Štroner, Marek (referee) ; Lidmila, Zdeněk (advisor)
This bachelor´s thesis is focused on design of technological production procedure of front wheel-drive arm of agricultural machine. Material for construction of this part is unalloyed steel 12 060. Part of this thesis is literall study focused on forging. On basis of this study is designed required forged piece, which will be processed by swaging on hammer KHZ 4A. After swaging is needed removal of excess material in form of burr and stencil with trim pressing machine LKOA 200. Swadge is made of alloyed tool steel 19 662. Part of thesis is mechanical drawing documentation and technical-economical assessment.
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Design of wheel hub production
Šidlák, Filip ; Jopek, Miroslav (referee) ; Podaný, Kamil (advisor)
The thesis deals with the design the technology production of wheel hub for the automotive industry made of C45 steel. After the evaluation of suitable technologies, a die forging on a mechanical press was selected. On the basis of technology analysis, the component shape was modified, all allowances and dimensional tolerances were set. According to calculated forming force, the crank press LZK 3150B with nominal force 31, 5 MN from the manufacturer Šmeral Brno, a. s., was chosen. Manufacturing is divided into two operations, pre-forging and after that final forging. Design of dies is based on the ČSN 22 8306 standard and they are made of tool steel of grade 19 552 with the subsequent heat treatment. The dies have upper and lower ejector for easier removal of the forged piece.
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Forging of the "lock-bolt"
Frýdl, Pavel ; Štroner, Marek (referee) ; Lidmila, Zdeněk (advisor)
To lock-bolt manufacturing was selected technology of die forging. Lock-bolt is made of 11375 steel in a series of 2700 pieces per year. With the use of literary studies and practical knowledge has been developed technological process fittings. It includes the draft instrument stainless steel 19663 including drawings. Forging is performed on a hydraulic-pneumatic hammer KJH 2 with a nominal value of 20 kJ impact work. Blanks are cut from bars 30 mm 6 m long to bars 52.2 mm long. The techno-economic evaluation shows that the price of a forging is 4,71 CZK and for production will be need 24 pieces of bars.
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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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Hot forging of projectile
Frydrych, Jan ; Císařová, Michaela (referee) ; Lidmila, Zdeněk (advisor)
The project elaborated design of technology production of artillery shell – thick walled component from plain steel 11 503. Based on the research of press forging and calculations, it was proposed to forge with production line which contains two forging presses. These allow us to use special way of forging. The forged piece is broached through several pulleys and its diameter is slowly getting smaller and required form is made. Forging tools and forging dies are made from steel 19 552
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Production of gear
Svozilová, Lucie ; Štroner, Marek (referee) ; Lidmila, Zdeněk (advisor)
The project elaborated design of technology production of the spur bevel gear, which is made of a steel rod from material 12 050. Pursuant to of the literary pursuit and calculation is designed as a threeoperational forging in an open die with using of ejector. Forging is realised in the vertical crank press LZK 1600 P/SH, with forming force 16 MN. Shearing and punching is performed in the shear press LKOA 200. Forging dies are produced from alloyed instrumental steel 19 556 heat-worked according to drawing documentation.
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Design of crane hook production
Horák, Tomáš ; Štroner, Marek (referee) ; Podaný, Kamil (advisor)
The thesis deals with the design of the production of a crane hook made of C45 steel. After evaluating suitable technologies, die forging on a mechanical press was chosen. Based on the analysis of technological technology, the shape of the part was modified and all necessary additions and limit deviations of forging dimensions were determined. The semi-finished product with a diameter of 65 mm and a length of 380 mm will be formed on a cross wedge rolling mill, bent on a separate press and subsequently forged. The crank forging press LZK 3150 B from the company ŠMERAL Brno a. S., With a nominal forming force of 31.5 MN, was chosen from the calculated forming force. The construction of the dies is based on the ČSN 22 8306 standard and they are made of 19,552 steel with subsequent heat treatment.
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