The opening operation separates the fibers into a loose, fluffy mass. These loose fibers are fed into a hopper, where a measured amount is laid on a conveyor belt and delivered to the picking unit where additional blending occurs.

• 开棉是将棉块分解成松散状,这些松散纤维被送至配棉箱。在配棉箱处,定量的棉纤维被放到传送带上,并被送至清棉部分。在清棉部分再一次混棉。