Aktualności

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Activity of the Division of Applied Vibroacoustics focuses on the two following subjects:

  • research,
  • designing of buildings, objects and equipment.

In the research area we offer:

  • acoustic analyses, ecological audits as regards acoustic impact,
  • analyses of vibrations,
  • numerical models of land and GIS technologies,

  • modelling of acoustic field in the environment and closed spaces (with determination of impact range and identification of sound sources),
  • concepts for reduction of sound emission and mechanical vibrations,
  • forecasting of changes in acoustic climate,
  • acoustic maps and programmes for protection of environment against noise,
  • vibroacoustic diagnostics as well as assessments of exposure of building/engineering objects to mechanical vibrations.

In the designing area we offer:

  • functional-and-spatial programmes,
  • designs as regards control of vibroacoustics hazards, including:

-    acoustic screens,
-    sound absorbing-and-isolating shields and casings,
-    silencers,
-    sound absorbing-and-isolating and lector cabins,
-    vibroisolation of objects, machines and equipment,

  • designs as regards foundation of machines,
  • designs as wellas design-and-construction projects,
  • cost calculations and construction take-offs,
  • scheduling of construction work,
  • supervision over the realization of investments.

We also realize trainings and promotional activity as regards control of noise and vibrations emission.

Exemplary projects and selected design solutions realized in Poland:

 

Field of action: acoustic screens in the environment - noise-absorbing screens

Project name: Acoustic screen at the railway siding

Place of the first implementation: Grupa Tauron PKW S.A. ZG "Sobieski"


 

 

 

Field of action: acoustic screens in the environment - mixed, absorbing and reflecting screens

Project name: Acoustic screen at road 307

Place of the first implementation: Buk, road 307 Poznań-Buk-Opalenica



 

 

Field of action: acoustic screens in the environment - reflecting screens

Project name: Acoustic screen at Wiadukt Street in Skierniewice

Place of the first implementation: UM Skierniewice



 

 

Field of action: acoustic screen with shutter panels

Project name: Silencing the cooler of TZ4 turbine

Place of the first implementation: EC Białystok S.A.



 

 

Field of action: acoustic screens in closed spaces

Project name: Acoustic screen in the area of stands for grinding in construction room

Place of the first implementation: Urządzenia i Konstrukjce S.A.



 

 

Field of action: silencers

Project name: Acoustically low-emission ventilation system for the strategic objects

Place of the first implementation: KW S.A. Oddział KWK "Bielszowice"



 

 

Field of action: silencers

Project name: Silencer for WPWS-160 fan

Place of the first implementation: KW S.A. Division KWK "Jankowice"



 

 

Field of action: silencers

Project name: Silencer for WLE mine fans

Place of the first implementation: KW S.A.



 

 

Field of action: silencers

Project name: Silencers of dust control installation in mechanical coal processing plants

Place of the first implementation: KW S.A. Oddział KWK "Jankowice"



 

 

 

 

 

 

 

Field of action: sound absorbing-and-isolating shields

Project name: Shield of a coat of mine ventilation system’s main fan

Place of the first implementation: Przedsiębiorstwo Górnicze "Silesia"



 

 

Field of action: barriers of increased isolation power, silencers

Project name: Silencing the coal loading station

Place of the first implementation: KW S.A. Oddział KWK "Chwałowice"

 

 

 

 

Awards and prizes


2011
Special distinction at the Concours-Lepine Fair (Paris 2011) - medal of the French Association of Inventors and Manufactures (AIFF) for "Low-noise emission objects ventilation system".

2010
Gold medal for the solution "System of fan acoustic shields" - POLEKO International Trade Fair of Environmental Protection.

Silver medal for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power" - World Exhibition on Innovation, Research and New Technologies Brussels Innova.

Silver medal for the innovative solution “System for damping the noise of fan for blast draught of power boiler” – International Warsaw Invention Show IWIS 2010.

Silver medal for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power" – iENA Nuremberg - International Trade Fair Ideas-Inventions-New Products.

Bronze medal for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power" - Concours-Lepine Fair (Paris 2010).

Diploma granted by the Minister of Science and Higher Education for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power".

Congratulation Letter of the Minister of Science and Higher Education for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power".

Mining Success of the Year 2010 in the category “Ecology” for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power".

2009
Gold medal with a distinction for the solution "Damper for WPWS-160 centrifugal fan" - POLEKO International Trade Fair of Environmental Protection.

Award in the Polish Competition for the Improvement of Work Conditions in the category “Technical and organizational solutions” for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power".

Gold medal with a distinction for the solution "Damper for intake hood and for exhaust hood for cooperation with fans of high power" – International Warsaw Invention Show IWIS 2009.

 

The Division of Applied Vibroacoustics is a supporting member of the Polish Acoustics Association.

We invite you to collaboration.

Contact:

Marek Pierchała, Ph.D. Eng.
Manager of the Division of Applied Vibroacoustics
phone: +48 32 2374 347, +48 32 2374 644
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.; This email address is being protected from spambots. You need JavaScript enabled to view it.


Industrial partners:


Eurometal S.A.
Płochocińska 15, 03-191 Warszawa, Poland
http://www.eurometsa.pl
Field of collaboration: acoustic screens

 


Przedsiębiorstwo Usługowe Geocarbon sp. z o.o.
Dunikowskiego 12-14, 40-127 Katowice, Poland
http://www.geocarbon.pl
Scope of collaboration: acoustic screens


Grama Sp. z o.o.
Narutowicza 15, 41-503 Chorzów, Poland
http://www.grama.com.pl
Scope of collaboration: silencers, acoustic screens


World Acoustic Group S.A.
Royal 1, 59-101 Polkowice, Poland
http://www.wagsa.eu
Scope of collaboration: acoustic screens

Activity of the  Laboratory of Material Engineering and Environment includes research projects and tests in the field of material engineering, environment engineering and safe use of products.

Laboratory of Material Engineering and Environment has the Accreditation No. AB 910 of the Polish Accreditation Centre in Warsaw in the following scope of accreditation:

  • permanent
  • flexible.

certificate + scope accreditation  (AB 910)

flexible scope accreditation

Offer of the Laboratory of Material Engineering and Environment includes the following tests:

Testing the toys safety
For conformity with the requirements of the standard harmonized with  z 2009/48/EC Directive (Toys Safety Directive) as well as the following standards: PN-EN 71-1, PN-EN 71-2, PN-EN 71-3, PN-EN 71-8, PN-EN 62115.

Testing the surfaces and playground equipment
Tests according to the following standards: PN-EN 1176-1, PN-EN 1176-2, PN-EN 1176-3, PN-EN 1176-5, PN-EN 1176-6, PN-EN 1176-10, PN-EN 1176-11, PN-EN 1177.

Testing the wheeled child conveyances
Our laboratory is the only testing organization in Poland that offers accredited tests in a full scope of wheeled child conveyances such as prams, baby strollers and double strollers. The tests are realized according to the requirements of PN-EN 1888:2012 “Child care articles. Wheeled child conveyances. Safety requirements and test methods"

Testing the toxic substances in child articles 
in toys, books and  school supplies, soothers, cutlery, feeding and drinking equipment, child care articles, wheeled child conveyances, bicycles, baby walking frames, reclined cradles, baby carries as well as safety barriers and others.

Testing the safety of use of children’s articles
Children’s articles sold on the European market should be tested to confirm their conformity with the safety requirements specified in the standards harmonized with  Directive No. 2001/95/EC.

Testing the global migration from plastics and plastic products intended to come into contact with food
The tests are realized according to standards form PN-EN 1186 group, with use of model liquids.

Material tests
Analysis of chemical composition of steel and cast iron products to verify material grade, to measure hardness and thickness of metal products, to determine surface roughness and thickness of protective coatings as well as assessment of resistance to corrosion of metal products and protective coatings.

Testing the electric and electronic equipment for conformity with RoHS Directive
According to RoHS 2011/65/EU Directive use of the following toxic substances in electric and electronic equipment is restricted: lead, mercury, cadmium, hexavalent chromium as well as polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE).

Testing the barbeques burning solid fuels and firelighters for barbequing

Barbeques and firelighters sold on the European market should be tested to confirm their conformity with the requirements of  PN-EN 1860-1,3,4 standards harmonized with the Directive No. 2001/95/EC

Testing the resistance to light and impact of atmosphere

The Laboratory offers tests in environment engineering according to the requirements of PN-EN ISO/IEC 17025:2018-02 Management System. In this scope the Laboratory offers analyses of physical-and-chemical properties of industrial wastes, including mining wastes, as regards possibility of using the wastes in the power industry or as aggregates for road construction as well as of their impact on environment.

The Laboratory takes part in research activities of the Polish Testing Laboratories Club POLLAB, including the Division of Materials Testing, the Division of Machines, Equipment and Transportation Means as well as POLLAB-CHEM/EURACHEM-PL Division. Specialists from the Laboratory take part in activities of Toy Safety Forum and Committee No 237 on Babies and Toddlers Articles and Toys Safety. They organize trainings on safe use of toys, including trainings within branch fairs organized every year.

Accredited material tests of steel and cast-iron products and protective coatings, carried out by the Laboratory of Material Engineering and Environment, include:
  • analysis of chemical composition of steel and cast-iron products as regards verification of material quality,
  • hardness and thickness measurements of metal materials,
  • roughness and thickness measurements of protective coatings,
  • assessment of resistance to corrosion of metal materials and protective coatings.   

The offer for accredited non-destructive tests, carried out by the Laboratory of Material Engineering and Environment, includes:
  • identification of presence of surface and under-surface discontinuities (defects) in metal products using visual and magnetic-and-powder methods,
  • assessment of manufacture quality of welded joints using visual and magnetic-and-powder methods,
  • assessment of product’s surface condition and verification of marking and dimensions,
  • determination of loss in diameter, ovality and deflection of rectilinearity of pins,
  • measurement of thicknesses of sheets and braces,
  • determination of corrosion loss of sheets and welded joints.
Non-destructive tests are conducted according to the requirements of PN-EN 473:2002 Standard by the certified personnel, having the competence certificates of the 2nd degree as regards visual, magnetic-and-powder and ultrasonic methods, issued by the Office of Technical Inspection.  

Within the Accreditation No. AB 910 the Laboratory of Material Engineering and Environment offers the safety tests of toys for conformity with the requirements of the standards harmonized with 2009/48/EC Directive (Toy Directive), including:

  • PN-EN 71-1 “Safety of toys. Part 1. Mechanical and physical properties”,
  • PN-EN 71-2 “Safety of toys. Part 2. Flammability”,
  • PN-EN 71-3 “Safety of toys. Migration of certain elements”,
  • PN-EN 71-8 “Safety of toys. Part 8. Swings, slides and similar activating toys for indoor and outdoor domestic use”.

The offer for the safety tests of toys is directed to, among others, manufacturers, importers and distributors who commercialize toys.

Tests of toys include:

  • tests of mechanical and physical properties:
-    size of small toys or components,
-    torque test, tension test, tip over test, compression test and soaking test,
-    drop test, impact test,
-    accessibility of toy’s part or component,  
-    sharpness of edges and points,
-    flexibility of wires,
-    percentage of material expansion in x, y and z directions,
-    leakage of liquid-filled toys,
-    geometrical shape of certain toys,
-    durability of mouth-actuated toys,
-    strength of folding or sliding mechanisms,
-    thickness and electric resistivity of cords,
-    static and dynamic strength and stability of toys intended to bear the mass of a child,
-    kinetic energy of projectiles as well as bows and arrows,
-    thickness of plastic sheeting,
-    brake performance,
-    strength of toy scooters steering tubes,
-    level of emission acoustic pressure corrected by A and C frequency characteristic,
-    peak level of emission acoustic pressure corrected by C frequency characteristic,
-    speed of electrically driven ride-on toys,  
-    rise of temperature,
-    support and durability of toy chest lids,
-    size of small balls and suction cups,
-    size of figurines,
-    condition of packaging,
-    assessment of marking, warnings and instructions.
  • tests of flammability
  • tests of migration of certain elements: chrome (Cr), arsenic (As), selenium (Se), cadmium (Cd), antimony (Sb), barium (Ba) and lead (Pb).  

Certificate of conformity with the harmonized standards is granted on the basis of toy safety test results.

Contact:
Laboratory of Material Engineering and Environment

Manager: Beata Grynkiewicz-Bylina, Ph.D. Eng.

Phone: +48 32 237 46 65
Fax: +48 32 231 08 43
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.  

http://www.komag.eu

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