HP DesignJet ColorPro CAD Manual do Utilizador descarregar pdf (Página 141)

Functional Overview 6-21

Paper Paths and Components

Dual Bin Pick And Feed Mechanism

Pick And Feed Schematic

Figure E

The Dual Bin Pick And Feed

The pick roller is mounted to a pivot arm such that when the paper tray is pushed into its

position, the pick roller and the pivot arm will fall on the paper surface, as shown in

Figure E. A DC motor is used to supply power to provide the pick force (µN, N=mg) to

drive the top media sheet(s) against the separation surface in front of the tray. The angle

of the separation surface with respect to the horizontal is in such that it ensures only one

sheet of media is fed through. The media is fed continuously until it reaches the set of

pinch rollers at the drive roller, before the drive roller takes over the driving force.

INPINCH

ROLLER

PAPER

PATH

PICK ROLLER

DIRECTION

PICK FORCE

COF ~ 1.6

(BET ROLLER

AND PAPER

)

SEPARATION

SURFACE

COF ~ 0.6

(BET SEP. PAD AND PAPER)

GRAVITATIONAL

FORCE

OUG

H 1

DRIVE ROLLER DIRECTION

TROUGH 2

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HP DesignJet ColorPro CAD Manual do Utilizador Página 141