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!