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Top expertise in
Rapid Prototyping and Manufacturing
with spin off company
RoTech - University of Belgrade
Prof. dr. Veg Aleksandar
Conference on University and Business Cooperation in Central Europe
(28th to 29th January 2016, Budapest, Hungary)
History of Machine and Mechanism
science at the University of Belgrade
• Among Distinguished Figures of IFToMM
• Concept of applied Science in Machine Design and University Curriculum
• “hands on“ education
• Dissemination of TMM over territory of Ex Yu and Serbia
• Army of students and doctoral students who over took “Core Idea“
• Remarkable events in IFToMM History and our role within it
• Regain of the JUToMM space
Prof. Todor Pantelić
• Walking devices
• Bakery line machine
• Packaging
• Machine Dynamics
Chair for the Theory of Machines and Mechanisms
Mechanical Engineering Faculty University of Belgrade
SCOPE OF EXPERTISE
Rehabilitation walking devices
Patent claim: П.2007/0229, WO/2008/145669, EP 2 170 241 B1
Bakery lines
Packaging
Machine Dynamics
RoTech
a spin off company of
Faculty of Mechanical Engineering
University of Belgrade
Entrepreneurship
www.rotech.rs
RoTech
Research and
Development
Measuring systems
Machine dynamics
Mechatronics
Design and Engineering
Basic Design
Inspection and Verification
Manufacturing
Balancing machines
Vibro-diagnostic
devices
Monitoring systems
Service
Turbo machinery OVERHAUL
Balancing & Vibrodiagno-
stics
Modal Testing
NDT Inspection
Alignment
Rapid Prototyping
Turning Gear
Orbit Shaker
Training and Education
Balancing
Vibrodiagnostics
Alignment
BDI
QMS ISO 9001:2008
SCOPE OF BUSINESS ACTIVITIES
Team members
Prof. Aleksandar Veg, PhD Sc. MEGeneral Manager
Aco Gobeljić, M. Sc. METechnical Director
Ass. prof. Goran Šiniković, PhD Sc. ME
QMS Manager
Luka Andrejević,M.Sc. EE
Devices and Monitoring Systems
Mladen Regodić, M.Sc. ME
Devices and Monitoring Systems
Emil Veg, PhD Sc. ME
Mechatronic Systems
Ass. prof. Raša Andrejević, PhD Sc. ME
Research and Development
Vlastimir Tasić, Service Manager
Mirela Rondović, MSc. ME
Sales Manager
Ranđelović Jelena, BA Economy
Administration
Karlo Puškarica, MSc Programme Manager
BDI Dept.
Zdujić DraganOperater
Lukić VitomirOperater
DraganOperater
RANGE OF BALANCING MACHINES
HBM 100THBM 15
5 patent claims: П.21/88, П.313/93, П.314/93, П.315/93, П.2009/0205
VIBRO DIAGNOSTIC EQUIPMENT
Roto Balancehand held battery operated field balancer
and spectrum analyzer
patent claim: П.2008-/0190
PROTOTYPES
Pro Level
accuracy of electronic leveling
0.001°
Micro Mon
multichannel data collector and analyzer
MicroMon+condition monitoring instrument
SMALL AND MEDIUM SIZE ROTORS
Crank shaft (V engine) Hydro - Turbine Rotor
Centrifuge bottle - Belt drive Universal (cardan) shaft
Direct drive
BALANCING SERVICE – GIANT ROTORS
HBM 100T – Main Features
HARD BEARING concept
Max. rotor weight: 100 000 kg
Min. rotor weight: 500 kg
Max. rotor diameter: 3000 (4500) mm
Max. journal diameter: 500 mm
Min. journal diameter: 100 mm
Drive unit (soft start-up/coast down): 100 kW
Two measuring supports: MO1, MO2
Sensing elements: piezo-ceramic
Phase tracking: Incremental encoder
Machine weight: 10 000 kg
Patent claim: П.2009/0205
MAJOR OVERHAUL step by step review
US Steel Works Smederevo
Steam Turbine - Air Blower
NDT ISPECTION * ACTIVE PARTICLES POLARIZATION
* CRACK DETECTION – UV
* ULTRA SOUND DEEP SCAN
TURBINE BLADES
-modal testing-
GLAND machining-balancing machine as a lathe machine-
BALANCING of the Blower rotor
In accordance
with
ISO 1940
Quality grade G 1.0
Alignment, Operational verification and
Reporting
Rehabilitation of the working space floor vibrations in the control room
• Location: TPP Nikola Tesla – TENT-B, Obrenovac
• ANSYS model
• Site measurements
• Redesign of pipeline suspension
• Doctoral disertation
Modal analysis and strain
measurements on transmission tower
• Location: Podlog, Slovenia
• ANSYS model
• On-site measurements
• Doctoral disertation
Dual approach:
Stage by stage balancing
Consecutive blading
and balancing (movie)
RoTech expertize
FLEXIBLE ROTOR BALANCING at low speed
(in compliance with ISO 11342)
• Petrochemical Industry, Pancevo, SRB
• HIP Fertilizer, Pancevo, SRB
• Oil Refinery, Pancevo, SRB
• US Steel Works, Smederevo, SRB
• Electric Power Plants Serbia, TENT, TEKO
• Nord Gas Company, Kirkuk, Iraq
• Oil Refinery, Bosanski Brod, BiH
• Electric Power Plants, TPP Bitola, Macedonia
• Electric Power Plants, TPP Ruse, Bulgaria
REFERENCES
Turbo-machinery overhaul
Rapid Prototyping
Turning Gear
Orbit Shaker
Patent claim: П.815/00
Walkaround
• Rehabilitation
walking device
Serbian patent claim: П.2007/0229
Publication no.: WO/2008/145669
European patent: EP 2 170 241 B1
Flowmeter for turbine inspection
Flowmeter acquisition system
Flowmeter acquisition system
Inspections and Monitoring of Civil Structures(Consortium RoTech, SRB – FDSL, UK)
Expertise Vibration serviceability (Humans, traffic, etc.)
Structural health monitoring and performance assessment
Dynamic testing of full-scale structures
Key UK group for vibration serviceability and dynamic testing
Monitoring equipment manufacturing
Wireless data transfer
Site measurements
3D Ansys Modelling
Monitoring system details Tamar bridge (UK)
• Environmental & structural monitoring (Fugro, 2001):
Anemometers
Fluid pressure based level sensing (rubbish)
Temperature sensors (suspension cables, deck,
trusses)
Strain gauges (stay cables)
EDM between Towers (junk)
Monitoring system
• Dynamic monitoring system (VES, 2006):
Uni-axial QA700 & QA750
accelerometers
In perpendicular pairs on 4 stay cables
3 (2 vertical + 1 transverse) on deck
• Robotic total station – RTS (VES, 2008):
Leica total station on control room roof
15 reflectors (deck, towers, abutments)
Promaen Belgrade
Joint Venture supported by Dutch Government
Engineering, Services and Consultancy
Project management
Contracting
Essentials
• Established in 2008 as a joint venture between Promaen Piping & Processinstalaties
B.V. from Duiven, The Netherlands and Rotech d.o.o. from Belgrade, Serbia
• General Manager: Prof. PhD Aleksandar Veg
• Quality Certifications: ISO 9001 (with Loyd since 2012)
• Since 2013 Promaen Balkan d.o.o. is part of Ludan Group
• Number of employees: 18
• Management: 2
• Piping Department: 15
• Civil & Structural: 1
Markets
• Oil and Gas
• Offshore
• Tank Terminals
• Food & Pharma
• Water Treatment
• Waste to energy
Engineering Tools:
• Piping:
• PDMS (Plant Design Management System)
• Auto Plant
• Plant 3D
• AutoCAD
• Cesar II
• Civil & Structural:
• PDMS
• Pro Structures
• Tekla Structures
• AutoCAD
• STAAD Pro
• AutoCAD
References:• SBM Offshore – Gusto MSC
FPSO Cidade de Paraty (10.000 eh)
• Design of Upper deck, cargo piping and pipe room piping
• Design and engineering of pipe support structures
• Design and engineering of 4 topside structures (total 150 tons)
• SBM Offshore – Schiedam
FPSO Cidade de Ilhabela (18.000 eh)
• Design of Upper deck piping
• Design and structural check of pipe support structures
• SBM Offshore – Monaco
FPSO Cidade de Marica and FPSO Cidade de Saquarema (21.000 eh)
• Design of upper deck piping
• Design of pipe support structures
Renowned RoTech partners and clients
Thank you!
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