Rieter

The geometry of the clothing

Index

No.
Name
Symbol or
formula
Comment
1
Base width
a1
in mm
2
Tooth thickness at
the root
a2
in mm
3
Tooth thickness at
the tip
a3
in mm
4
Overall height
h1
in mm
5
Height of the base
h2
in mm
6
Depth of the tooth
h3
in mm
7
Tooth pitch
T
spacing between successive
tooth tips measured with the wire stretched out
8
Carding angle
$\alpha$
angle between a line at right angles to the base of the tooth and the leading edge of the tooth, measured with the wire stretched out
9
Tooth apex angle
$\beta$
angle between the leading and trailing edges of the tooth

Fig. 123 – Angle and other dimensions of metallic clothing