Dorin SCÂNTEIE

APPLICATIONS TO RAPID PROTOTYPING SCALE USING LEGO MINDSTORMS NXT EDUCATIONAL KIT

The paper is dedicated to the succinct presentation of the mechatronic concepts needed to promote innovation, creativity and interdisciplinarity. The main objectives of the paper aim to familiarize them with the concept of rapid prototyping scale and mechatronic modules, with components LEGO Mindstorms. The first application is made using the course-related instructions. In the second application, we performed a functional replica of a given structure (with a minimum of elements), without detailed installation instructions.

Keywords: rapid prototype, programming means, sensor, actuator, controller, mechatronic platform, reconfigurability Cuvinte cheie: prototip rapid, mijloace de programare, senzor, actuator, controler, platformă mecatronică, reconfigurabilitate

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NC MACHINE TOOLS OPERATION.

PROGRAMMING ERROR

This paper appeared as a necessity, so should students who want to learn how to operate the CNC lathe and CNC milling machine. Training is performed using a program „Soft Swan” (a trial version), which we call simulator. Simulator has an interface composed of elements compatible Windows and virtual image of the machine (lathe or milling machine). The paper presents two common errors due haste, inattention and \ or inexperience.

Keywords: simulation, virtual image management tools, tool offset

Cuvinte cheie: simulator, imagine virtuală, managementul sculelor, ofset de sculă

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COMPUTER TECHNOLOGIES CONTRIBUTIONS TO THE
DETERMINATION OF TIME AND EFFORT ECONOMY ON THE
TRAINING ACTIVITY OF ELECTRICAL TEHNICIANS
This paper wants a pro bono advocacy, for the use discernment in the
field of information technologies (IT). In the approach that I will take still trying
to prove that the gaps in the basic and lack of professionalism cannot be
compensated by IT, on the other hand serious training coupled with the use of
software performance, lead to the some notable performances, especially in the
technical field.
Keywords: specialized software modelling – simulation – calculation
transfigure – ing star – delta and reverse method ”Dragg & Drop”
Cuvinte cheie: soft specializat modelare-simulare-calcul, transfigurarea
stea – triunghi și invers, metoda „Dragg & Drop”

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MACHINING COMPLEX CURVED SURFACES, USING SPHERICAL HEAD MILLS
The complexity of a piece configuration is determined by its functional role, mechanical loading system, operating conditions. Surfaces defining a piece in space can be expressed by means of parametric equations. A surface profile can be completely defined if that surface intersects two planes perpendicular to each other. Surface intersection curves resulting data with those plans have as expressions, analytical equations. Machining end mills with spherical head is a very complex process, due primarily blade arrangement on a spherical surface. The solution for successful machining of complex curved surfaces is to use mills with spherical head.
Keywords: parametric equations, analytical equations, end mills spherical head – CAD modelling 3D graphics
Cuvinte cheie: ecuații parametrice, ecuaţii analitice, freze cilindro-frontale cu cap sferic, modelare grafică 3D-CAD

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TECHNICAL DESIGN SYSTEMS ON MECHATRONIC PLATFORMS (II)
This paper is intended to issue a brief overview of methods used to
design structured logic functions/adjustment and control strategy. Idea as a
whole system approach, involving the design and optimization rather than a
sequence of incremental steps. Optimizing functional fluidic systems involves
building a mathematical model, analysis of physical phenomena associated.
Other approaches in research aimed mechatronic systems design techniques
that parts of the system are real; some are virtual so that the test pro-cedures
and data validation can be performed as in reality. The user is thus familiar with
the operation and structure of an industrial system, programming language
functioning using technology and specific real industrial environment, without
risk of damaging the plant (to make the process as simulated in the laboratory).
Cuvinte cheie: microcontroler, sinergie, Programmable Logic
Controller (PLC), sensorică, Control Prototyping (PC), Hardware-In-the-Loop
(HIL), Software-In-the-Loop (SIL)
Keywords: microcontroller, synergy, Programmable Logic Controller
(PLC), Sensors, Control Prototyping (PC), Hardware-In-the-Loop (HIL),
software-in-the-Loop (SIL)

68 TEHNICI DE PROIECTARE A SISTEMELOR

TECHNICAL DESIGN SYSTEMS ON MECHATRONIC PLATFORMS (I)
This paper is intended to issue a brief overview of methods used to
design structured logic functions/adjustment and control strategy. Idea as a
whole system approach, involving the design and optimization rather than a
sequence of incremental steps. Optimizing functional fluidic systems involves
building a mathematical model, analysis of physical phenomena associated.
Other approaches in research aimed mechatronic systems design techniques
that parts of the system are real; some are virtual so that the test pro-cedures
and data validation can be performed as in reality. The user is thus familiar with
the operation and structure of an industrial system, programming language
functioning using technology and specific real industrial environment, without
risk of damaging the plant (to make the process as simulated in the laboratory).
Cuvinte cheie: microcontroler, sinergie, Programmable Logic
Controller (PLC), sensorică, Control Prototyping (PC), Hardware-In-the-Loop
(HIL), Software-In-the-Loop (SIL)
Keywords: microcontroller, synergy, Programmable Logic Controller
(PLC), Sensors, Control Prototyping (PC), Hardware-In-the-Loop (HIL),
software-in-the-Loop (SIL)

67 TEHNICI DE PROIECTARE A SISTEMELOR