Glossary Of Terms - Graco Dispensit 1230 Instructions Manual

Glossary of Terms

Not all terms listed below are part of your system.
ANSI (American National Standards Institute): an association of industry representatives which
develops technical standards including safety. These standards comprise a consensus from a variety of
industries on good practice and design. ANSI standard relevant to Dispensit is ANSI/RIA R15.06
(industrial robots and robot systems).
AUTHORIZED PERSONNEL: properly trained individual who has been given permission from a
supervisor or management personnel, to operate or service a particular piece of equipment.
BASE SECTION: the center section of the dispense valve which seals the material from coming out the
top of the dispense valve body.
BHCS: button head cap screw
CC'S: a volumetric unit of measure.
DISPENSE VALVE: a mechanical devise used to apply a precise amount of a specified material.
Depending on the specifics, the material can be placed in a predetermined location or on a predetermined
path on a specified part.
DRY CYCLE: the process of operating the valve under normal working conditions, except material is not
dispensed. This process is done to verify that the valve is cycling correctly before applying material.
FLOW CONTROL: a mechanical devise that controls (or restricts) the air flow which travels through it.
Controlling the air flow at both sides of the dispense piston, regulates how fast the piston moves up and
down.
HIGH PRESSURE SEAL: a type of seal which combines an O-ring with a U-cup seal. This combination
provides a superior seal in high and low pressure circumstances.
INLET BLOCK: a component between the body of the valve and the needle block, where the material
enters the dispense valve.
MAINTENANCE PERSONNEL: an specific individual or group who's properly trained to fix and/or
adjust a particular piece(s) of equipment when problems occur.
METERING ROD: a component which draws material into the metering chamber and presses material
out of the metering chamber.
METERING CHAMBER: an area where a certain amount of material is stored within the dispense valve
before dispensing.
MPa: a unit of measure which is equal to 1000 Pascals. 1Pa =1Newton of weight per square meter.
NEC (National Electrical Code): a publication put out by the National Fire Protection Association which
contains guidelines for proper installations of electrical products, in order to safeguard personnel and
property.
NEEDLE BLOCK: a component on the bottom of the dispense valve where the material is dispensed
from. The needle block may consist of a simple single needle or a complex configuration of multiple
different needle sizes and lengths.
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