Influence of select parameters of drawing process on the expansive deposition of inner PE lining in pipelines

• Autorzy: Wróbel G. , Rojek M. , Szymiczek M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: This paper shows the influence of select parameters of drawing process on the expansive deposition of inner PE lining in pipelines. Design/methodology/approach: The study included assessment of the impact of diameter reduction degree, drawing die angle, temperature, introductory pipe diameter, and introductory pipe wall thickness on the viscoelastic return. Obtained dependencies were assumed to be the basis for formulation of conclusions as to the choice of essential process conditions for the technological sequence of PE lining deposition in the outer coating of installation pipes or reconstruction of a transmission channel. Findings: The final effect presentation is worked out methodology used in identification of physical parameters of a PE pipe drawing model as the main phase of a viscoelastic deposition of lining in two-layer pipes. Particular attention was focused on the need to take into consideration changing friction conditions in the drawing die area and to determine the value of the friction factor. Research limitations/implications: The research did not show the influence of the length of the sizing and drawing speed on the viscoelastic return. Practical implications: The practical effect is to develop the characteristics of the impact of process parameters on the size of time to viscoelastic return. Originality/value: Paper represents model of PE lining deposition in the outer coating of installation pipes or reconstruction of a transmission network.

Słowa kluczowe

EN

polymers; viscoelastic return; drawing process

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2012
• Tom: Vol. 55, nr 1
• Strony: 59--65
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Wróbel G.

• Division of Metal and Polymer Materials Processing, Institute of Engineering Materials and Biomaterials

autor

Rojek M.

• Division of Metal and Polymer Materials Processing, Institute of Engineering Materials and Biomaterials

autor

Szymiczek M.

• Division of Metal and Polymer Materials Processing, Institute of Engineering Materials and Biomaterials

Bibliografia

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