TITLE:
Rolling Deformations and Residual Stresses of Large Circular Saw Body
AUTHORS:
Bolesław Porankiewicz, Jari Parantainen, Karolina Ostrowska
KEYWORDS:
Circular Saw, Rolling Squeeze Area, Rolling Squeeze Width, Rolling Squeeze Depth, Rolling Pressure, Tangential Rolling Residual Stresses, Radial Rolling Residual Stresses, X-Ray Diffraction, Barkhausen Noise, FWHM
JOURNAL NAME:
Engineering,
Vol.2 No.9,
October
15,
2010
ABSTRACT: Rolling path squeezes and rolling residual stresses of large diameter circular saw body for wood, generated by rolling pressure from 10 up to 120 bar were examined. X-ray diffraction, Barkhausen noise (BN) and Full Width of the peak at a Half Maximum (FWHM) (o) methods for evaluation of residual stresses were used. Dependencies of a tangential rolling residual stresses inside rolling paths upon rolling pressure p (bar) and rolling area A (mm2) were evaluated. The rolling pressure, as large as 60 bar, resulting in the rolling squeeze as high as 0.04 mm2, and, tangential residual compression stresses inside a rolling path, as large as ?TI = ?822 MPa, was considered to be the largest for the practical application.