Internal Roll Forming
Internal roll forming is generally slower than ram forming but it holds tight tolerances. Serrated clamp jaws are used to hold the tube while an axial pressure is applied to the end of the tube to form the bead.
Read more about this topic: Tube Beading
Famous quotes containing the words internal, roll and/or forming:
“The burning of rebellious thoughts in the little breast, of internal hatred and opposition, could not long go on without slight whiffs of external smoke, such as mark the course of subterranean fire.”
—Harriet Beecher Stowe (1811–1896)
““Courage!” he said, and pointed toward the land,
“This mounting wave will roll us shoreward soon.”
In the afternoon they came unto a land
In which it seemed always afternoon.”
—Alfred Tennyson (1809–1892)
“Young people of high school age can actually feel themselves changing. Progress is almost tangible. It’s exciting. It stimulates more progress. Nevertheless, growth is not constant and smooth. Erik Erikson quotes an aphorism to describe the formless forming of it. “I ain’t what I ought to be. I ain’t what I’m going to be, but I’m not what I was.””
—Stella Chess (20th century)