National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Press design for paper briquettes
Kočař, Jiří ; Rebenda, David (referee) ; Dvořáček, Jiří (advisor)
The bachelor thesis deals with an engineering design of a press briquette machine, which process refuse of paper. This refuse is used for production of paper 's, eventually paper-sawdust 's briquets. The first part contains analysis of options of processing garbage, current machines producting briquets and their versatility. The second section is focused on a final design of a pressing machine and a general description of it's parts.
Design of the extruder for additive manufacturing of highly-filled thermoplastics
Kočař, Jiří ; Koiš, Jiří (referee) ; Škaroupka, David (advisor)
The diploma thesis is concerned in design and realization of an experimental extruder for high-filled thermoplastic (Polybet) extrusion, which is a part of an assembly attached to the robotic arm. The result of the work is a device, that is be able to additively and continuously apply layers of Polybet. The s worm threaded extruder with modified parameters is designed with the ability to extrude the thermoplastic melt with additional fillers (sand, glass). The dimensions and weight of the extruder were minimized within limits of the robotic arm carrying capacity. The design of this thesis is an extruder which is able of large-scale additive printing of Polybet with binders (PET or PP). Another result is a mathematical model of material flow and power consumption, adjusted by results of experiments. The thesis is a research of a new part of additive production, where two types of waste material are used for the construction industry. The thesis examines the influence of fillers on power and flow rate through the extruder.
Design of the extruder for additive manufacturing of highly-filled thermoplastics
Kočař, Jiří ; Koiš, Jiří (referee) ; Škaroupka, David (advisor)
The diploma thesis is concerned in design and realization of an experimental extruder for high-filled thermoplastic (Polybet) extrusion, which is a part of an assembly attached to the robotic arm. The result of the work is a device, that is be able to additively and continuously apply layers of Polybet. The s worm threaded extruder with modified parameters is designed with the ability to extrude the thermoplastic melt with additional fillers (sand, glass). The dimensions and weight of the extruder were minimized within limits of the robotic arm carrying capacity. The design of this thesis is an extruder which is able of large-scale additive printing of Polybet with binders (PET or PP). Another result is a mathematical model of material flow and power consumption, adjusted by results of experiments. The thesis is a research of a new part of additive production, where two types of waste material are used for the construction industry. The thesis examines the influence of fillers on power and flow rate through the extruder.
Press design for paper briquettes
Kočař, Jiří ; Rebenda, David (referee) ; Dvořáček, Jiří (advisor)
The bachelor thesis deals with an engineering design of a press briquette machine, which process refuse of paper. This refuse is used for production of paper 's, eventually paper-sawdust 's briquets. The first part contains analysis of options of processing garbage, current machines producting briquets and their versatility. The second section is focused on a final design of a pressing machine and a general description of it's parts.

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