National Repository of Grey Literature 94 records found  previous11 - 20nextend  jump to record: Search took 0.01 seconds. 
Methods for creating plastic coatings on metal parts
Moninec, Michal ; Kebrle, Ondřej (referee) ; Kandus, Bohumil (advisor)
This thesis is about methods for creating plastic coatings for metal parts. It’s goal is to describe different methods of coatings, their use and types of polymers applicable for the methods.
Optimization of the vacuum deaeration of the injection mold
Rohlínková, Marie ; Kebrle, Ondřej (referee) ; Kandus, Bohumil (advisor)
The project elaborated design of optimization venting of molds exhibiting bubbles or low quality weld lines. Based on a literature study of the injection mold venting, the use of vacuum venting, namely the VACUUMJET system of the Spanish CUMSA manufacturer, has been proposed. The experiments proved the elimination of bubbles in the part and the marked improvement of visual quality of the weld lines. The effect on the closing force was not confirmed. The use of the system is more economical for larger batches production, or when high quality parts are required that allow price increasing.
Production of bottle caps
Bělaška, Karel ; Kandus, Bohumil (referee) ; Žák, Ladislav (advisor)
The master’s thesis deals with the design of an injection mould for manufacturing of a plastic bottle cap with a child safety lock. Firstly, the analysis of the part is done including a detailed specification of its function and criteria, which have to be fulfilled. After the technology is chosen (injection moulding), the analysis of the injection moulding technology and the problematics of design process is provided. In the following practical part of the thesis, the particular mould for the given part is fully designed using simulation and technological calculation. On the basis of the acquired parameters of the mould, the injection machine was chosen. At the concussion of the thesis, the technical and economical evaluation of the proposed manufacturing process for the cap with child safety lock is realised.
Marketing Mix Proposal
Hradil, Martin ; Kandus, Bohumil (referee) ; Novák, Petr (advisor)
Bachelor thesis is focused on the improvement of the marketing mix, which is engaged in providing gardening services. Through the design of the marketing mix should be ensured according to individual company new customers.
Production of injection molded parts
Kratina, Patrik ; Kandus, Bohumil (referee) ; Žák, Ladislav (advisor)
The work, elaborated within B-STG Engineering Bachelor´s degree program, is focused on the topic of injection molding into molds. In the introductory part, the work deals with materials suitable for injection. In the next chapter, the work is focused on the process of injection and description of individual parts and components of the injection machine and its tools. The thesis contains the concept of the technology of production ( injection moulding into metal molds) and its design solution. The conclusion of the thesis includes economic evaluation, attachment and drawing documentation.
Technology design manufacturing plastic worm gear
Petrucha, Roman ; Kebrle, Ondřej (referee) ; Kandus, Bohumil (advisor)
The master thesis deals with the design of the injection mold for the production of a plastic two-part worm which is part of the worm gear set in the sleeve. From the beginning, an analysis of the assigned component was performed, specifying its function and specifying the criteria that must be met by the component. In addition, design of the production technology (injection molding) was carried out, followed by theoretical analysis of plastic materials, injection molding technology and mold design. Subsequently, in the practical part, a complete design of the injection mold was made on the basis of simulations and technological calculations. On the basis of the parameters of the injection mold, a machine was chosen, on which production should be carried out according to the proposed technological procedure. The conclusion of the thesis contains a technical and economic evaluation of the proposed technology for the production of Plastics splatter component.
Production technology of fiberglass parts
Nenov, Stanislav Stojanov ; Hodas, David (referee) ; Kandus, Bohumil (advisor)
Diploma thesis is focused on production technology of the glass fibre polyester part. It introduces characteristics of the composite materials and their dividing by the reinfocement geometry, reinforcement dimensions, reinfocement material and matrix materiál. In the final chapters thesis describes production technologies and proces of launching new part from 3D data to data and drawings of the mould including creation of the technological process.
Technology design manufacturing threaded plastic ends
Vrátný, Martin ; Kebrle, Ondřej (referee) ; Kandus, Bohumil (advisor)
This diploma thesis submits a proposal of technology design manufacturing threaded plastic ends. In the first part it deals with literary studies of plastics and plastic injection molding. In the second part is the design of an injection form for the specified component. Part of the practical part is also the right choice of material and the injection mold, which was designed based on the calculations of technological parameters. In the conclusion of this thesis is technical economic evaluation.
Defects at injection molding
Kuchař, Petr ; Kandus, Bohumil (referee) ; Žák, Ladislav (advisor)
The aim of this bachelor thesis was a literary study of defects created in the injection molding process of plastic materials. The study of the injection technology itself was carried out in the first part of this work. Second part of this thesis is focused on the study of defects accompanying the plastic injection process, their distribution, description, causes of the origin and possibilities of repair. Among the most problematic obvious defects accompanying the plastic injection process are the weld lines and the defects associated with. In the case of hidden defects, it is particularly internal tension. The individual defects are supplemented by suitable pictures and tables for more clarity and transparency, where the causes of the origin and the possibility of repairing specific defects are more analyzed.
Sheets bonding and their testing
Straka, Jan ; Kandus, Bohumil (referee) ; Dvořák, Milan (advisor)
The aim of this bachelor thesis is to design selected load tests for bonded joints at specified steel sheet DC01 under laboratory conditions and to compare the strength of the degreased joints with technical alcohol and uncrushed joints. The basic methods of joining thin sheets are presented in the thesis. The following is an overview of test methods for bonded sheets according to the relevant technical standards. The results of the selected tests are the specific numerical values that have been compared with those reported by the manufacturer of the particular adhesive.

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