Felt Tip/Flow Brush Dispensing System Felt Tip/Flow Brush automated primer system dispenses single-part and two-part primers onto multiple substrates to clean and prime components prior to adhesive application. The Nordson® Felt Tip/Flow Brush primer system robotically applies solvents, cleaners and primers to a variety of substrates. The system can be configured for single-stage applications or two-stage applications involving clear and black primers for glass bonding. Other applications include dispensing cleaning agents onto plastic and metal components to clean the substrate prior to application of the adhesive, providing optimal adhesion and long-term durability. The standard Felt Tip/Flow Brush system consists of a bulk delivery system, one or two applicator tools with a pneumatic valve pack and system controller. How It Works Either a felt tip or a brush is attached to the outlet of a fluid valve. The felt or brush acts like an ink marker and applies the primer or cleaner to the substrate in the specified width and thickness. Different tips are available to change the width of the path. The tips are manually slipped onto the outlet of the valve that has an o-ring to ensure a leak-free fit. During down time, the tip can be stored in a fume that prevents shop air and moisture from reacting with the primer or cleaner on the tips which can cure and harden the felt or brush. Applicator The applicator consists of a positive displacement metering pump mated to a pneumatically actuated dispense valve. The outlet of the valve is designed to accept a variety of felt tips and brush tips using an o-ring to ensure a fluid-tight seal. Positive-displacement metering pumps mounted on the applicator provide accurate point of dispense control of material flow. A proximity switch provides volume monitoring and confirms pump to air motor integrity by monitoring pump rotation. Pump inlet transducers monitor primer supplies, confirming sufficient material delivery to the applicator tool. Outlet transducers prove unobstructed material flow from metering pumps to the felt. Metering pump solvent flush valve eliminates risk of material curing in pump. Features and Benefits Automated process with primer materials. removes operator interaction delivers consistent film builds and reduces primer waste, improving quality and reducing costs. Automated primer system monitors and circulates primer, as appropriate, to provide consistent application and material integrity. Bulk material supply variety of felt and brush tips are available, A providing the end user with the flexibility to meet multiple applications and part geometry requirements. provide the user with complete control over set-up, operation, adjustments and system diagnostics.

Felt Tip/Flow Brush Dispensing System Technical Specifications Delivery System Diaphragm pumps are used to deliver an uninterrupted flow of material to the metering pumps. For material that contains solids in suspension, like black primer, a return line can be added to keep the material in circulation, which prevents sedimentation. Material can be dispensed from the 5-gallon (20 liter) pail that it is delivered in using a T-handle siphon assembly. Pressure pumps are also available to pour the material in and then siphon out. information, speak with Delivery System: Height Width Depth Control...