汽车制造商正面临越来越大的压力，生产不会生锈的汽车。主要关注的一个例子是门。如果车门外板通过法兰连接到内板上，则使用环氧粘合剂从结构上粘合两者并密封水，从而防止腐蚀。汽车制造商过去使用机器人点胶设备的经验表明，无法在整个机器人速度范围内控制胶珠大小。NORDSON正在申请专利的PRO-FLO系统通过开发极快的响应时间，实现了一致的珠子沉积。 这是通用汽车车门折边凸缘应用系统成功的一个案例。

AUTO MANUFACTURERS ARE FACING EVER-INCREASING PRESSURE TO PRODUCE CARS THAT WILL NOT RUST. ONE EXAMPLE OF PRIMARY CONCERN IS THE DOORS. WHERE THE DOOR OUTER PANEL IS FLANGED OVER THE INNER PANEL,L AN EPOXY ADHESIVE IS USED TO STRUCTURALLY BOND THE TWO AND SEAL OUT WATER, THUS PREVENTING CORROSION. PAST EXPERIENCE BY THE AUTOMAKERS WITH ROBOTIC DISPENSING EQUIPMENT HAS SHOWN THE INABILITY TO CONTROL BEAD SIZE THROUGHOUT THE FULL RANGE OF ROBOT SPEED. THE NORDSON PATENT PENDING PRO-FLO SYSTEM HAS ALLOWED CONSISTENT BEAD DEPOSITION BY DEVELOPING AN EXTREMELY FAST RESPONSE TIME. THIS IS A CASE HISTORY OF SUCCESS WITH THE SYSTEM ON A GENERAL MOTORS DOOR HEM FLANGE APPLICATION.