Apparatus for gas-aided dispensing of liquid materials

Details Apparatus for gas-aided dispensing of liquid materials Apparatus for gas-aided dispensing of liquid materials

1988-12-12

1991-01-29

Hoag, Willard E.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to attribute, absence or presence of work

118688, 118300, 118323, 239296, B05C 1300

Patent

active

049878549

ABSTRACT:
An apparatus for depositing liquid material onto a workpiece in the form of a deposit having a desired conformation wherein the material is discharged under pressure from the nozzle of a dispensing gun which can be manipulated by a robot to lay the deposit according to a programmed pattern on the workpiece. One or more gas jets is directed toward the material after the material is discharged from the nozzle to impart a desired conformation to the material deposited on the workpiece. The flow rate of the gas jets is controlled in accordance with the liquid flow rate to maintain substantial uniformity of the conformation of the deposit. The flow rate of the gas jets may also be controlled with reference to a toolspeed signal which varies according to the relative speed between the nozzle and the workpiece as well as an auxiliary signal the latter of which can be used to selectively alter the conformation of the deposit.

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Technical Publication of Nordson Corporation, Amherst, Ohio, 1981 (Publication 43-1-11).

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