|
|
Manufacturing of Trailer Connecting Joint
Vahala, Jiří ; Žák, Ladislav (referee) ; Řiháček, Jan (advisor)
The project elaborated design of technology production of the trailer connecting joint from the deep drawing sheet iron 11 320. Pursuant to of the literary pursuit a problem of the deep drawing and calculation was designed progressive tool concatenate four operations. The lower ejectors are using for ejecting components. The drawing instrument especially made of non-standardised components and it is designed for use on a hydraulic press CTH 250, with nominal tensile force 250 kN. Drawing punch and drawing die are produced from alloyed instrumental steel 19 436 heat-worked according to drawing documentation. The technical and economical evaluation was focused on the forming cost, which is 2 922 893 CZK in total.
|
|
|
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.
|
|
|
Design of Kitchen Sink Production
Dvořák, Ondřej ; Císařová, Michaela (referee) ; Řiháček, Jan (advisor)
The work deals with the design of technology to produce a circular kitchen sink with a narrow flange around the perimeter. The semi-finished product is a 0.8 mm thick stainless-steel sheet X5CrNi18-10. The size of the production series is set at 200,000 pieces per year. Based on a literature search, the technology of deep drawing without thinning the wall was chosen for the production. Then was the sink examined in terms of technology and method of production, which included determining the number of draws, calculating forces and work during forming and other calculations necessary to design a drawing tool. The result shows that to produce the final shape is required two drawing operations with a blank holder and production will be carried out on a hydraulic press HARSLE Y27-200T with a nominal drawing force of 2000 kN. For the first and second operation a drawing tool was designed, for which was prepared the relevant technical documentation. The punch, the die and the blank holder are made of tool heat-treated steel 19 436.9 and they are fixed in welded bodies of common structural steel 11 373. Using the simulation of a drawing was subsequently verified the accuracy of technological calculations and the suitability of the selected method of production.
|
|
|
Production of a rotating vessel
Novák, Václav ; Žák, Ladislav (referee) ; Císařová, Michaela (advisor)
The thesis is concerned with the concept of an rotating vessel, that is a part of cotton candy machine. A drawing is cylindrical shape with circular a hole in the bottom, which is made of austenitic chrome-nickel steel 1.4301 with the thickness 1,5 mm. Due to the production volume 50 000 units per year, the pulling technology without wall thinning was choosen. The process of drawing will be performer in one operation. Due to calculated force, the ZHS 400 hydraulic press with a nominal force of 4 000 kN was chosen.
|
|
|
Production of drinker
Vašíček, Jan ; Dvořák, Milan (referee) ; Císařová, Michaela (advisor)
The diploma thesis of the master's study in the field of M2I-K presents a design of a hollow rotating part made of metal sheet with a tapering bottom. Deep drawing technology was chosen as the best suited option for production without thinning the wall. Stainless steel was chosen as a source material for production parts in compliance to ČSN 172 40. The drinker is produced by three drawing operations where each operation is performed separately on a standalone press CTH 250 developed by ŽĎAS a. s. A sheet measuring 1500 x 3000 x 1 mm with diameter 428 mm was evaluated as the most economically viable for production of a semi-finished product – rondel. For one year production produced in a series of annual volume 100,000 pieces.
|
|
|
Evaluation of lubricants for forming
Svobodová, Hana ; Podaný, Kamil (referee) ; Lidmila, Zdeněk (advisor)
The aim of this diploma thesis is experimental testing and evaluation of the suitability of lubricants for drawing stainless chromium - nickel austenitic steel X5CrNi18-10 and comparison of the results obtained from the work [51]. The testing was performed by modeling the friction between the traction edge and the retainer, which corresponds to the real production process at ACO Industries. The introductory part of the thesis describes the process of deep drawing, followed by a description of tribology and the effect of friction. The individual types and properties of lubricants are described in more detail. The main part of the work deals with the testing of lubricants. The results are then described and evaluated.
|
|
|
Manufacturing of the Ignition Case
Jelínek, Dan ; Císařová, Michaela (referee) ; Řiháček, Jan (advisor)
The thesis deals with the design of the production of Ignition case. Component is a hollow cover of one channel ignition device, produced by the PBS Velká Bíteš company. It has a constant wall thickness of 0,5 mm and production rate is 15 000 pieces per year. Technology of deep drawing with solid forming tool was picked out of several considered production variants. DC05 deep drawing steel is the material of choice. Based on technological calculations, number of drawing operations needed and forming force was established. Based on those parameters, hydraulic press ZH 10 produced by the Presshydraulika s.r.o. company was chosen for the task.
|
|
|
Production of filter cover
Bachurek, David ; Forejt, Milan (referee) ; Podaný, Kamil (advisor)
The project elaborated design of technology production of the filter cover - section from the deep drawing sheet 11 325 (DC04). Based on analysis was chosen combination of technologies shearing and deep drawing for that option was designed manufacturing process. Forming process is realized on hydraulic progressive press from Sweden company AP&T which has got total nominal tensile force 1740 kN and equipped 5 stations with lower holders and upper ejectors. Deep drawn part is transported between stations by feeders which are part of press. Function parts are made from alloyed tool steels 19 436 and 19 573 which are heat-worked according to drawing documentation. In chapter technical and economical evaluation was determined turning point which become after reaching of 142 840 parts.
|
|
|
Production of a corner sink
Soldán, Josef ; Dvořák, Milan (referee) ; Císařová, Michaela (advisor)
This diploma thesis if focused on the production of a corner sink from stainless steel sheet 1.4301. Based on analysis of manufacturing possibilities the best solution is to produce corner sink by a conventional tool in serval operations, which was the main focus of theoretical part of this thesis. In addition, this choose is in conform with assignment of this diploma thesis. Practical part of this thesis was focused on check of technologicity followed with design of suitable shape of sheet for deep drawing. Further calculation of amount of required draws in specific drawing operations, calculation of drawing forces and works and calculation of parameters of drawing tool. These calculations were checked by numerical simulation which discovered possible defects whereupon the shape of corner sink was modified in order to limit these defects. Based on these calculations the universal drawing tool was designed. In the ending of this thesis the techno-economic evaluation was made which confirmed the economic advantage of this universality.
|
|
|
Suitable lubricants for deep drawing of steel
Hřebíček, Pavel ; Staněk, Vojtěch (referee) ; Lidmila, Zdeněk (advisor)
The aim of this work is experimental evaluation of suitability of lubricants for drawing of stainless steel 1.4301 at elevated temperature, which corresponds to temperature in real process. The lubricant testing method is based on friction modeling between the pull edge and the retainer, which corresponds to the real process. Therefore, the design of the test fixture also conformed to this model. The result of the work is a comparison of the suitability of every single lubricants with the reference lubricant used in ACO Industries. The best results were obtained with AT Kalorex 650 S lubricant, which contains environmentally harmful additives.
|
guest ::
