Metallic Clothing Geometry and Parameters
topic
Key parameters: base width (a1, affects point density), tooth thickness at root (a2) and tip (a3), overall height (h1, 2–3.8 mm for cylinder), base height (h2), tooth depth (h3), tooth pitch (T, tip-to-tip spacing), carding angle (α, inclination of leading face to vertical), and tooth apex angle (β). Point density = 645/(base width × pitch) points/inch². Carding angles: licker-in +5° to -10°, cylinder +12° to +27°, doffer +20° to +40°.
Role
Understanding clothing geometry is essential for proper selection and maintenance. Each parameter affects carding performance differently, and the interaction between parameters determines the overall carding effect. Point density and carding angle are the most important operating parameters.
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