Modular 3D Printer Concept

Kohár, Róbert; Stopka, Marián; Weis, Peter; Spišák, Peter; Šteininger, Ján

doi:10.1007/978-3-030-33146-7_55

Cited by 7 publications

(6 citation statements)

References 3 publications

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“…Currently, the DMU 812 series drives are maintained according to MAN manufacturer's overhaul intervals for the engine type MAN D2866 LUH21. After a given mileage of the rail car, the range of diagnosis and repair interventions that must be undertaken is calculated at each interval [2,3].…”

Section: Maintenance Of Man Combustion Engines In 812 Vehicles In the Locomotive Depotmentioning

confidence: 99%

“…MIREL 812 is a primary control system for the 812 series engine units. The internal combustion engine, starter and glow, traction gearbox, traction gearbox retarder, axle gearbox, and acoustic and optical fault signalling are all regulated by MIREL 812 [3]. It carries out continuous self-diagnosis and performs a practical test to ensure that all components of the control system and cooperating equipment on the rail vehicle are working properly.…”

Section: Overview Of Man Defects In the 812 Series Vehiclesmentioning

confidence: 99%

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Use of Technological Diagnosis in Rail Vehicle Engines Maintenance

Ondriga

Hrček

Brumerčík

et al. 2021

LOGI – Scientific Journal on Transport and Logistics

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The paper aims to classify the maintenance of internal combustion engines in 812 series diesel multiple units, to analyse operating failures, and to identify methods and procedures for determining their current mechanical condition. The paper specifies the required procedures and methods for maintenance starting from the development of the DMU (diesel multiple units) 812 series to the present. It also focuses on understanding how diagnosis and control sensors are attached in individual cable harnesses. A protocol for diagnosing combustion engine defects is proposed in the final part of the paper. A part of the paper is a proposed list of codes for individual faults to facilitate the work. Another method proposed within this paper is the definition and attachment of individual sensor connections on the engine in the EDC (Electronic Diesel Control) M(S) 5 cable harness. Faults leading to engine stop are identified.

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Section: Maintenance Of Man Combustion Engines In 812 Vehicles In the Locomotive Depotmentioning

confidence: 99%

Section: Overview Of Man Defects In the 812 Series Vehiclesmentioning

confidence: 99%

Use of Technological Diagnosis in Rail Vehicle Engines Maintenance

Ondriga

Hrček

Brumerčík

et al. 2021

LOGI – Scientific Journal on Transport and Logistics

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“…The lifting system is a dynamic machine, with individual components moving at different speeds and accelerating at different rates. However, only three positions of the system must be checked for load: the bottom dead centre, top dead centre, and the place where the piston must exert the greatest force to set the device in motion [13][14][15][16][17][18]. The force used to move the system is calculated in the following chapters.…”

Section: Forces Acting On the Frameworkmentioning

confidence: 99%

Design of Vehicle Lifting Equipment Using Progressive Methods

Cuchor

Kučera

Lukac

2021

LOGI – Scientific Journal on Transport and Logistics

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The main objective of this article is to analyse the structural design of tire lifting equipment for tire services. To gain a better insight into the problem, several steps must be taken. The first step is to conduct a market analysis, which involves identifying all available equipment. Several types of lifting devices were distinguished within the development process, which differ from each other in terms of design and power supply. The type of structure and power unit represent the second steps in the design process. This is a critical aspect of the design since the forces necessary to move the system change as a result of these attributes. The design itself is the last step in the device’s design. Passenger cars differ from each other by their weight, which is limited to 3.5 tons. Based on the weight, basic strength calculation and dimensioning of the lifting device are carried out. Based on the calculations, the scissor lift device is selected. The lower frame, scissor legs, ramp, mechanical lock, and scissors drive mechanism are five main components of the device. This type of structure is best used with a hydraulic drive unit, which is calculated in the article.

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“…In FDM, molten material is forced out of the print head's nozzle and is deposited on the growing workpiece. The head is moved, under computer control, in two dimensions to deposit one horizontal plane at a time, before moving slightly upwards to begin a new slice [5]. In 1991, Helisys markets the first Laminated Object Manufacturing (LOM).…”

Section: Introductionmentioning

confidence: 99%

The Use of Composite Materials in 3D Printing

Blanco

2020

J. Compos. Sci.

112

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Nowadays, all production, from the smallest ones to large companies, and research activities are affected by the use of 3D printing technology. The major limitation, in order to cover as many fields of application as possible, is represented by the set of 3D printable materials and their limited spectrum of physico-chemical properties. To expand this spectrum and employ the 3D-printed objects in areas such as biomedical, mechanical, electronical and so on, the introduction of fibers or particles in a polymer matrix has been widely studied and applied. In this review, all those studies that proposed modified polymer presenting advantages associated with rapid prototyping are reported.

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Modular 3D Printer Concept

Cited by 7 publications

References 3 publications

Use of Technological Diagnosis in Rail Vehicle Engines Maintenance

Use of Technological Diagnosis in Rail Vehicle Engines Maintenance

Design of Vehicle Lifting Equipment Using Progressive Methods

The Use of Composite Materials in 3D Printing

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