24.10.2014 Views

Різання та інструмент в технологічних системах. 2011. Вып ... - ХПІ

Різання та інструмент в технологічних системах. 2011. Вып ... - ХПІ

Різання та інструмент в технологічних системах. 2011. Вып ... - ХПІ

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

x 1=0,3 mm<br />

x 2=3 mm<br />

Rake angle, γ 0=10 o<br />

Rake angle, γ 0=0 o<br />

Rake angle, γ 0=-10 o<br />

Rake angle, γ 0 =-20 o<br />

Figure 4 – Illustration of chip formation and creation of Max Shear Stress<br />

for cutting tools having different rake angles.<br />

3.3 Adaptive meshing.<br />

At cutting large plastic strains occurs due to high deformations in the elements.<br />

Severe distortion in the elements can be controlled by adaptive meshing.<br />

Adaptive meshing can be done by using moving nodes, splitting elements or re-<br />

28

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!