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Author:Sainio, Maria
Title:Teräsrakenteiden tuotantoprosessin laadunvarmistus
Quality assurance of steel structures production process
Publication type:Master's thesis
Publication year:2010
Pages:(9) + 92 s. + liitt. 1      Language:   fin
Department/School:Koneenrakennustekniikan laitos
Main subject:Koneensuunnitteluoppi   (Kon-41)
Supervisor:Kuosmanen, Petri
Instructor:Kekkonen, Jouni
OEVS:
Electronic archive copy is available via Aalto Thesis Database.
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Location:P1 Ark Aalto  6039   | Archive
Keywords:standard EN 1090-2
execution of steels structures
quality assurance
standardi EN 1090-2
teräsrakenteiden toteutus
laadunvarmistus
Abstract (eng): When standard EN 1090-2 replaces the national standards for realization of steel structures, it requires research and education to understand the new definitions and obligations.
In Finland the construction regulations will tighten up und definitions will change because the standard is more precise and wider than B7 of the Finnish building regulation collection when talking about building material and equipment, production and installation as well as quality assurance.

This master's thesis concentrates on the quality assurance of a production process in a company that manufactures steel structures.
The quality assurance meets the requirements and recommendations of the new standard.
To implement the quality control the specific requirements of the new standard, concerning building material and equipment, prefabrication and composition, welding, mechanic implantation, surface finishing, tolerance and inspections, have been determined.
Based on these requirements procedure guideline for processes have been drawn up.
Prefilled and instructional planning forms and requirement charts have also been created to support the executing of the production.

For the company the main things in quality assurance of production process were marking the products and their storage, welding and qualifying it.
As a result of this master's thesis documents were created, which supports the production process and gives basis to quality control system.
By using these documents, which take into consideration the requirements of the standard EN 1090-2, they strive for uni1iing working methods and securing the accomplishment of a product which is good quality, safe and suitable for use.
Abstract (fin): Standardin EN 1090-2 korvatessa kansalliset standardit teräsrakenteiden toteuttamiselle, vaatii uusien määritysten ja velvoitteiden ymmärtäminen tutkimista ja kouluttautumista.
Suomen osalta rakennusmääräykset tiukentuvat ja määrittelyt muuttuvat, sillä standardi esittelee teräsrakenteita koskevat tekniset vaatimukset rakenneaineiden ja tarvikkeiden, valmistuksen ja asennuksen sekä laadunvarmistuksen osalta yksityiskohtaisemmin ja kattavammin kuin Suomen rakentamismääräyskokoelman B7.

Tässä diplomityössä keskitytään teräsrakenteita valmistavan yrityksen tuotantoprosessin laadunvarmistamiseen, joka vastaa uuden standardin mukaisia velvoitteita ja suosituksia.
Laadunvalvonnan toteutusta varten on selvitetty standardien mukaiset yksityiskohtaiset vaatimukset rakenneaineiden ja tarvikkeiden, esivalmistuksen ja kokoamisen, hitsauksen, mekaanisen kiinnittämisen, pintakäsittelyn, toleranssien ja tarkastusten osalta.
Vaatimusten pohjalta on laadittu menettelyohjeita toimintaprosesseille sekä luotu tuotannon toteuttamisen tueksi esitäytettyjä ja ohjeistettuja suunnittelulomakkeita ja vaatimustenmukaisuustaulukoita.

Yrityksen osalta tuotantoprosessin laadunvarmistamisen pääasioiksi muodostui tuotteiden merkkaaminen ja säilytys sekä hitsaus ja sen pätevöittäminen.
Diplomityön tuloksena syntyi laadunhallintajärjestelmän pohjaksi ja tuotantoprosessin tueksi dokumentteja.
Käyttämällä työnteossa näitä standardin EN 1090-2 vaatimukset huomioivia dokumentteja, pyritään yhtenäistämään työtapoja ja turvataan laadukkaan ja käyttötarkoitukseen sopivan tuotteen aikaansaaminen.
ED:2010-10-28
INSSI record number: 41241
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