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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Návrh výroby kotvícího prvku solárního kolektoru / Manufacturing of the anchoring element of a solar collector

Svobodová, Helena January 2017 (has links)
In this master's thesis the proposal of the production technology of component – solar collector anchor element from steel 1.0038 (11 375) quality, 5 mm thickness is solved. For the manufacturing of the assigned part the shearing and bending technology and a progressive forming tool including a suitable forming machine of 8,000 kN rated power is selected. The proposed method of production is laid down by a technical-economic evaluation with respect to the production series of 150,000 units per year. The solar collector anchor element serves to hold the frame for the solar vacuum tube collector. In the scope of this master's thesis, an assessment of the current production method, including the selection of a suitable semi-finished product for production, was also carried out and their optimization was proposed.
22

Výroba krytu filtru / Production of filter cover

Bachurek, David January 2020 (has links)
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.
23

Návrh technologie výroby vodícího táhla / Proposal of production technology of uni-axial rod

Zejda, Václav January 2020 (has links)
The thesis is focused on the proposal of production of a stamped part of the uni-axial rod located in the axle of the truck. The uni-axial rod is made of materiál S420MC with thicknes of 4 mm and the planned series production is 84 000 pieces per year for 7 years. The most difficult point for production is a collar, which create support of the bushing. It is not posibble to produce a required height with conventional one-stage process, which was experimentally verified. In the programm PAM-STAMP there was designed multiple-stage process of the production with the use of numerical simulation. The progressive die was designed for this process of the production. Maximal load of a forming press is 5 057 kN. Production will be located on the forming press Kaiser 8000-50-F5-RKM by ANDRITZ Metals. Maximum force of the forming press is 8 000 kN.
24

Návrh výroby části otvíráku / Manufacturing of the part of a wine bottle opener

Kyselá, Lenka January 2020 (has links)
Diploma thesis introduces the design of a functional part of a wine opener, focusing on simplicity and effectivity of the manufacturing process with the use of progressive stamping tool. The part will be made by technology of progressive cutting and bending. For the production of the specified part stainless steel coil marked as 17 241.4 will be used This material is suitable for the use in commercial gastronomy thanks to its qualities. Also in this thesis there are technical calculations, suggestios for of optimal tools, economic calculations, and technical-economic evaluation of the production of the specified part.
25

Analýza procesu řízení projektů / Project management

Bordovský, Ondřej January 2008 (has links)
This diploma thesis is engaged in project management , Královopolská Brno. The company belongs to the biggest Czech crane and hoist device manufacturers. The subject of this diploma thesis is the analysis of projects. Detection of bottlenecks in the project management process and suggest improvment ideas.
26

Výroba součásti tvářením za studena / Production of cold forging parts

Jedovnický, Jan January 2011 (has links)
A project developed during a magister´s study of a program M-STM Mechanical engineering and industrial management brings in a proposal of a technology of cold forging part out of 12 040 steel. The forging on a multi-stage processual automatic machine TPZK 25 with nominal forming power 5000 kN was projected based on consultations, study of literary resources a calculations.
27

Výroba součásti "Kroužek" plošným tvářením / Production single parts "Ring" from sheet metal

Stejskal, Luboš January 2012 (has links)
This thesis elaborated within a master degree in 23-03-T002 line, introduces a suggestion of production technology of part „Ring“ by sheet metal forming out of deep-drawing steel W.Nr. 1.0338. Supposed production amount is 250 000 pieces per year. Based on a literary study of problematic of sheet forming for this required part regarding production series, technologies of this of deep drawing and cutting were chosen. According to performed technological calculations, a production process of seven operations was designed. A sequence automatic machine Paust 40 (VVB WMW), was cousin for this suggested process. This machine is particularly appointed for big series and wholesale production of impressions of sheet metal. It is equipped with mechanization and therefore creates a fully automatic line. A tool was designed for this chosen type of machine. Project includes economical evaluations of elaborated of production technology.
28

Výroba kotevního prvku / Manufacturing of wall clamp

Šobáň, Pavel January 2014 (has links)
The wall clamp is used for attaching columns or pillars to a concrete foundation. It is made from structural steel 11 375 in the form of sheets with a thickness of 4 mm in the production run of 150 000 pcs/year. A combination of shearing and bending technologies in a progressive forming tool was selected from various options as the most appropriate. On the basis of structural and technological calculations, an instrument was designed, for which the technical documentation was elaborated. Due to the total forming force and work, the forming machine LDO 800 A/S from Šmeral Brno a.s. was selected as the manufacturing machine. The production cost per one part 53.66 CZK was determined using economic evaluation; based on the break even point, the production becomes profitable for the production run with the minimum number of 13 065 pcs.
29

Úpravy střižných postupových nástrojů / Adjustments Shearing Procedure Tools

Dziuban, Jiří January 2016 (has links)
This thesis explains how to determine and eliminate the causes of quality problems in the production of connectors and small electronic components for the automotive industry. The process of making these components is carried out by use of both high speed and low speed metal stamping presses. There are descriptions of the different designs of editing punches, stamping dies, trimming and molding tools and how unplanned issues can occur during the production process. It addresses all the customer requirements for quality end products, listing the type of material, finishes and technology used for the production of individual components as well as their functionality, durability, and economic impacts. All examples of changes in the design or technology of metal stamping presses are based on many years of practical experience and most of them can be successfully applied in other similar type of instrument production.
30

Výroba sendvičové závitové vložky objemovým tvářením / Bulk forming technology of sandwich coil insert

Šíma, Vojtěch January 2019 (has links)
The project elaborated in a frame of Master‘s degree branch M-STG focuses on the design of a technology of sandwich coil used for connecting the aircraft floor sandwich panels to the fuselage bulkheads. The product is made of a lightweight aluminium alloy AlMn1. Combined cold extrusion with upsetting of the flange was chosen as the most fitting technology due to the manufacturing requirements and production series size of 120 000 pieces per year. The component is manufactured from a block blank in three operations by a progressive forming machine TPM 8-A with a nominal force of 1000 kN from Šmeral Brno a.s. producer. Within the project, tools for the production of the part were designed and also technical calculations for individual operations and technical and economic evaluation of production were made. The price of the component is estimated to be at least CZK 7,33.

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