Nordson Adhesive Systems Glossary

A

Term	Category	Definition	Examples
2/5 Point Curve	Pattern/pressure Control	Pressure run-up curve using two points or five points
% Adhesive Savings (EcoBead)	Pattern Control	Percent of adhesive saved using the EcoBead generator or Spectra 30
Activate	Usage	Refers to inputs. Otherwise, use Enable/Disable	Gun/hose channels, heat zones, and pattern controllers
Active	Usage	Use Current	Active Faults and Alerts are always sent to the beginning of the log
Add	Pattern Control	Add/insert a bead
Adhesion	Adhesive	Effectiveness of the adhesive	Bond strength
Adhesive	Adhesive	Hot or cold adhesive (glue) Do NOT use the term Glue
Adhesive Start/Stop Speed	Pattern Control	Line speed at which the controller starts/stops dispensing adhesive
Adjust	Usage	Fine-tune a setting, such as screen brightness. Otherwise, use Change or Modify if the setting is global
Angel Hair	Adhesive	Results when there is an issue dispensing adhesive
Application Pack	Pattern Control	Product-specific, optional add-on hardware/software that you can purchase
Application Temperature	Applicator	Adhesive temperature when applied to a substrate
Applicator	Applicator	Hardware component used to dispense adhesive Do NOT use Gun, instead use Hardware component used to dispense adhesive Do NOT use Gun, instead use hand-held applicator.
Applicator-to-Trigger Offset (ATO)	Pattern Control	Distance from the applicator to the trigger
Autoscaling	Pattern Control	Allows precision adhesive dispensing regardless of line speed
Autostart	Pattern Control	Allows controller to automatically start dispensing adhesive when it receives a run signal from the parent machine
Auto-Alarm	Product Inspection	Sounds alarm when bad product quantity meets user-defined bad product threshold
Auto Spot (Bead)	Pattern Control	Applicator dispenses dot bead below a settable threshold speed and normal bead pattern above this speed
Automatic Filling	Melter	Activates the fill system when the adhesive level reaches a certain level

B

Term	Category	Definition
Ball Check Valve	Applicator	Prevents adhesive from flowing backwards
Bank	Pattern Control	More than one component linked together
Batch	Packaging	Preset quantity produced during a job
Batch Counter	Packaging	Numerical counter which uses a trigger input to track products
Batch Output	Packaging	Output on machine control that ‘fires’ once per batch of bundled product
Bead	Pattern Control	Not perfectly round, various lengths and widths
Bead Length	Pattern Control	The start/stop distance of a bead
Bead Offset	Pattern Control	Distance from product leading edge to beginning of the bead. Refer also to Leading Edge.
Bead Thickness	Pattern Control	Applied bead width
Bead Tolerance	Pattern Control	Used with sensors for tight quality control
Bead Type	Pattern Control	Name for a bead specification
Blade	Melter	Type of melting plate used with bulk or grid melters
Bond	Adhesive	Ability of two objects to stick to each other
Button	Graphical User Interface	Graphic used to access, execute, or navigate

C

Term	Category	Definition	Examples
Calibrate	Graphical User Interface	Fine-tune the interaction with a touch screen
Cast-in Heater	Melter	Non-replaceable, resistance heating element that is cast into a tank or melting plate. This fixed connection provides optimal heat conduction
Centipoise	Adhesive	Viscosity
Channel	Controller	One or more outputs per pump for pressure or flow control
Charring	Adhesive	Adhesive decomposition due to heat and prolonged stagnation within a hose or tank
Circuit Breaker	Electrical Control	Shuts down the controller by shutting it down when current draw exceeds threshold
Clear	Graphical User Interface	One-touch button to reset content
Clear Out Distance	Packaging	Packaging line measurement of defective product after an emergency stop	Quantity of products with glue applied that are not completed
Clear Out Downtime	Packaging	Duration a line is stopped
Clear Out Downtime Counter	Packaging	Method of tracking the duration of clear out downtimed
Close-on Rise Thermostat	Temperature Control	Temperature device that closes, completing an electronic circuit upon reaching a specific temperature
Combination Bead	Pattern Control	Use more than one bead type on a product
Compensation	Controller	Software method to control (i.e. pressure, flow) adhesive output
Cones	Melter	Shape of heating elements
Connect	Electrical Control	Join, link, or fasten together. Do NOT use wire.
Contrast	Graphical User Interface	Separation between the darkest and brightest areas of an image or display
Control Module	Controller	Primary or secondary device used to dispense adhesive, i.e. melter, pattern controller
Counter	Controller	Software method used for counting	Select photocells for Feed Count, Delivery Count, and Post Eject.
Create/Modify/ Delete	Graphical User Interface	Create: Add/New Modify: Edit or change Delete: Remove	Create a recipe
Crossover Tube	Pump	Tube that connects the outlet port of a pump to the distribution manifold
Curing	Applicator	Time needed to bond the adhesive to the substrate
Cut-off	Controller	Similar to Emergency Stop

D

Term	Category	Definition
Dark On/Off	Controller	Software method to control trigger/Sensor activity when light is detected or not
Deactivate	Usage	Use Disable
Defect	Pattern Controller	Adhesive output deemed unacceptable
Delay	Controller	Time interval before resuming a task
Delivery Counter	Pattern Controller	Count of good products
Derivative Control Response	Controller	Fine-tune controller to regulate temperature, pressure or adhesive flow
Disable	Usage	To not use a software option or feature. Do NOT use Switch On/Off or Turn On/Off, unless referring to a physical item
Dot	Pattern Controller/Jet	Small and round
Dot Pitch	Pattern Controller/Jet	Width of a dot
Dot Time	Pattern Controller/Jet	Duration adhesive is dispensed to create the dot
Drop-Out Time	Applicator	Time between when the applicator stops and when the adhesive stops
Dual-Acting Piston Pump	Pump	Pump that delivers material on both the upstroke and the downstroke
Dump Gate Ejector(Ejector Setup)	Packaging/Product Verification	Mechanical ejector that diverts defective products
Duration	Controller	The time during which something continues

E

Term	Category	Definition
EcoBead	Pattern Control	A device that can reduce adhesive use/cost by alternate methods of bead output
Eject Confirm	Pattern Control	Sensor used to confirm/count ejected products
Ejector Device	Product Verification	Mechanical device controlled by a trigger (sensor) that ejects, diverts, or kicks identified product defects
Ejector Logic (Ejector Setup)	Product Verification	User-defined threshold to determine what is a defective product
Electro-mechanical Temperature Control	Temperature Control	A temperature control method
Electronic Sensing	Controller	Use of a trigger or sensor to allows the controller to perform a task
Electronic Temperature Control	Temperature Control	Compares adhesive temperatures in different zones to the temperature setting and activates tank heaters as needed, before the adhesive cools
Enclosure Rating	Melter	Maximum level of some external condition for safe operation
Encoder	Electrical Control	Electromechanical device that converts shaft movement to an analog or digital signal
Encoder Scaling	Pattern Controller	Allows for precision adhesive dispensing regardless of line speed
End Gap	Pattern Controller	Specified distance between the trailing edge of a product or substrate and an adhesive bead
Energized	Electrical Control	Receiving power
Ensure	Usage	Do NOT use. Instead, use Make sure that
Extrusion Gun	Applicator	Spring-loaded triggering device for dispensing adhesive

F

Term	Category	Definition
Factory Reset	Graphical User Interface	Return all settings to factory default
Fault	Controller	Component failure causing controller to automatically switch off
Feed Stop	Pattern Controller	Prevents products from entering the production line
Fine-Tune	Usage	Make minor adjustments to obtain more precise results
Flow Rate	Controller	Measured amount of material flowing through a flow meter
Free-wheeling Diode	Electrical	Electronic component that protects electronic assemblies from power surges that occur when relays or solenoid valves are switched off

G

Term	Category	Definition
Gear Pump	Pump	Electrical pump that can run forward and backward
Gel	Adhesive	Cross-linked, insoluble material which can form in a hot melt applicator under extended thermal stress
Grid Melter	Melter	Melter that uses heated cones or blades arranged in a grid pattern
Gun	Applicator	Use Hand Gun; otherwise use Applicator.
Gun Channel	Controller	Adhesive Output connection from the controller to hose
Gun Compensation	Pattern Controller	Software used to enhance allow hand gun or applicator performance
Gun Driver	Controller	Software used to operate the device
Gun Output Settings	Controller	Software used to fine-tune device performance
Gun-to-Trigger Offset (GTO)	Pattern Control	See Applicator-Trigger Offset

H

Term	Category	Definition
Heating Bong	Melter	Volume that is heated and thermally controlled by a single control device
Hold Voltage	Electrical	Software used to maintain constant voltage to a device
Hopper	Melter	Unheated tank extension
Hot Melt	Adhesive	Form of thermoplastic adhesive

I

Term	Category	Definition
Idle	Controller	Identifies the controller state (heating, setback, ready delay or idle)
Inactive	Diction	Use Disabled
Infeed Counter	Packaging	Products that have been fed onto the production line
Input	Electrical Control	Method to manipulate the controller from an external device.
Input Status	Controller	Indicates the input operability
Inspection	Product Inspection	Software method of quality control
Inspection Parameters	Product Inspection	Software settings used to define defect thresholds
Insure	Usage	Do NOT use. Instead, use Make sure
Integral Control Response	Temperature Control	Part of melter temperature control. Use Automatic Reset

J

Term	Category	Definition	Examples
Job	Controller	Name or number associated with production output based on a date/shift
Job File	Controller	Job details written to a file

K

Term	Category	Definition	Examples
Key-to-line	Controller	Use Gear-to-Line. A method that regulates dispensing adhesive in proportion to the line speed

L

Term	Category	Definition
Leading Edge	Pattern Control	Edge or face of the product that the trigger initially detects
Learn	Pattern Control	Method to “Teach” the software when to start/stop dispensing adhesive
Level indicator	Controller	Device that can convert adhesive level into an electronic signal
Light Tower	Controller	Remote visual warning system used in large factories
Line Speed	Controller	Converted signal from the encoder to the controller
Linear Ejector	Product Verification	Ejector that ejects the product from the production flow in a linear direction
Line	Packaging	Production Line Segments with an encoder and/or virtual encoder
Line Segment	Packaging	Production Line Segments with or without an encoder and/or virtual encoder

M

Term	Category	Definition
Machine Stop	Controller	Initiated either manually or automatically. Production stops. Controller is either in a fault condition, or in an Idle state
Machine Tracking	Packaging	Tracking product location is as it travels through the line
Manifold		Device that heats and distributes adhesive
Marking (Ejector Setup)	Product Verification	System for marking defective products, using water or ink
Master Barcode	Product Verification	Barcode that is taught (template). All barcodes in the subsequent production lot must match the master barcode
Maximum Gun Operating Speed	Applicator	Use Hand Gun otherwise applicator. Highest cycle rate that produces a repeatable pattern
Maximum Pumping Rate	Pump	Maximum adhesive flow rate achievable without exceeding any operating limits
Melt Rate	Melter	Rate that adhesive can be melted continuously on a long-term basis while maintaining production output
Melt Unit	Melter	Melter/Unit
Message Log	Graphical User Interface	Use Event log
Module	Usage	A component, such as a hose, applicator, flow meter, etc.
Motor	Pump	Use Pump

N

Term	Category	Definition	Examples
Nozzle	Applicator	Point where the adhesive exits the applicator

O

Term	Category	Definition
Off	Usage	Refers to physical state (OFF) of a device
Offset (temperature)	Controller	Calculated temperature difference from the set point temperature
On	Electrical Control	Actual state (ON or OFF) of a device
Open	Usage	Use Open for something physical; otherwise use Load
Open Time	Adhesive	Duration after adhesive is applied during which a serviceable bond can be made
Operating Air Pressure	Controller	System pressure required for production
Operating Temperature Range	Adhesive	Manufacturer’s recommended min/max temperature usage for production
Output	Electrical Control	Method to communicate from controller to an external device
Output Polarity	Electrical Control	Whether electrical contacts are Open or Closed
Overtemperature Protection	Temperature Control	Hard-coded maximum temperature setting to prevent user from operating controller in an unsafe manner

P

Term	Category	Definition
Palletizing	Pattern Control	Specifies quantity of products allowed to pass through the line without any adhesive being applied
Parent Machine Interface	Controller	External device used to communicate with the controller
Parent Machine Interlock	Controller	Prevents the parent machine from operating before controller is ready
Pattern	Pattern Control	Adhesive applied to a substrate or product, based on settings from a pattern controller/device
Pattern Controller	Pattern Control	Device which controls the adhesive output onto products
Photocell	Pattern Control	Do NOT use Photocell. Instead use Trigger. Use Sensor if the device contains software-driven logic, such as bar code and thermal sensing capabilities.
Platen Melter	Melter	Bulk melter that uses platens (cylindrical metal plates) to heat adhesive
Polarity	Electrical Control	To possess two opposite or opposing attributes
Pop-open	Controller	Defective adhesive bonding that causes a carton, box, or other packaging to open along a glue seam or joint
Power Down	Electrical Control	Methodically shut down a computer or other device, then switch the power off
Pre-eject Trigger (Ejector Setup)	Product Verification	Trigger used with Inspection and Verification that signals an ejector to remove a defective carton from the production line
Pressure-sensitive Adhesive	Adhesive	Adhesive that remains tacky after curing or set
Pressure Setting	Controller	Software method of defining system pressure set point
Product Length	Pattern Control	Total product length measured from leading edge to trailing edge
Product Template	Pattern Control	Defined adhesive locations on a product
Production Lot	Packaging	Completed job
Properties	Usage	Attribute, characteristic, or quality
Proportional Control Response	Controller	Method to fine-tune temperature, pressure, or flow performance
Proportioning Band	Controller	Maximum and minimum allowable temperatures allowed for a given temperature set point
Pull-in time	Applicator	Time between when the applicator is signaled to start and when the adhesive flow actually begins
Pulses per Minute	Electrical Control	Output signal frequency, from an encoder, tach generator or similar device
Pumping Rate	Pump	Rate that adhesive is pumped to the applicators, measured in liters per minute or gallons per minute
Purge	Applicator	Use Drain
Purge Pressure	Applicator	System pressure, if any, when the user executes a Drain command

R

Term	Category	Definition
Random Length (Mirror)	Pattern Control	Adhesive pattern which starts the pattern on the leading edge and places a mirrored pattern on the trailing side
Recipe	Controller	User-definable, non-system settings. Recipes can be named or referenced by a number.
Regulator	Electrical Control	Adjustable device for maintaining pressure at the preset value
Reject	Product Inspection	Box, carton, or other product that does not meet inspection criteria
Relief Valve	Pressure Control	Safety device designed to safely release system pressure
Remote Job Recall	Graphical User Interface	Allows previously used or saved recipe to be selected from the user interface or using a remote input
Remote Run	Controller	Manipulate the controller from a remote location using a PLC or via discrete input
Resistance Temperature Detector	Temperature Control	Temperature-sensing device that changes resistance at predetermined rate in response to temperature changes
Rotary Ejector	Product Verification	Ejector type that uses spinning disc and wheel to grab and toss product out of production flow
Run-up	Pump	Software method that coordinates a line segment with the controller to only start production once the line speed reaches a certain line speed
Run-up Curve	Pattern Control	Graph of ratio between line speed and applicator pressure, with minimum and maximum pressure as end points on a curve

S

Term	Category	Definition	Examples
Sample Size (Learn Settings)	Pattern Control	Defines the number of product samples that the pattern control will use to learn the correct pattern to apply
Sensor	Product Inspection	Device contains software driven logic, such as bar code and thermal sensing capabilities
Sensor Masking	Product Inspection	Prevents the controller from dispensing adhesive on defined locations of a product
Setback	Temperature Control	Heated zone temperatures are reduced (temperature offset) while in ready delay, manual or automatic setback. Do NOT use Standby .
Sensor-to Trigger Offset (STO)	Pattern Controller	Distance between the sensor and trigger
Set(ting) Time	Adhesive	Time required for a material to reach a set state after being applied in a fluid state
Set Point (temperature)	Temperature Control	User configurable melter operating temperature
Set up	Usage	Getting something “running” before doing a task	The programmable status bar buttons can be set up to provide the most meaningful information to the production process.
Shearing	Adhesive	Strain, produced by pressure, when the layers of a substance are laterally shifted in relation to each other
Single-level Password	Graphical User Interface	A single password that allows access all software, settings, etc. loaded onto a pattern controller or other device
Slats	Adhesive	A common shape of adhesive
Smart Sensor	Product Inspection	Monitors liquid adhesive applications, such as side-seam, wheel-pot, or extrusion gluing, for too much or too little adhesive
Solenoid Valve	Electrical Control	Air control valve actuated by an electromagnetic coil.
Start Gap	Pattern Control	Specified distance between the product or substrate leading edge and an adhesive bead
Start Speed	Pattern Control	Line speed where the gluing operation begins on line start-up
State	Electrical Control	Operational condition of the machine—On or Off	State and status are typically used collectively to describe operational state of a machine.
StateTemperature Control	Temperature Control	The state: Ready; Heating; Off; On
Status	Graphical User Interface	The (enabled) working condition of a machine	The following are examples of machine status: Alert Fault Low Level Over/Under Temp Over/Under Pressure.
Status Bar	Graphical User Interface (GUI)	Element of a pattern controller GUI
Stitched Bead Pattern Type	Pattern Control	Pattern type generated by the pattern controller. A stitched bead reduces adhesive use by a percentage entered by the user.
Stop Speed	Pattern Control	Line speed where gluing stops on deceleration
Stop Status	Pattern Control	Operating mode that stops pattern generation
Stringing	Adhesive	Adhesive application defect characterized by hair–like fibers of adhesive	A properly functioning melter prevents adhesive stringing.
Substrate	Adhesive	Material surface on which adhesive is deposited	The applicator dispenses a material (adhesive) onto a substrate.
Switch	Electrical Control	Turn on an electrical device	Switch the melter Off to perform general maintenance.
System	Usage	Organized or connected group of objects	Completely relieve system hydraulic pressure before breaking any hydraulic connection or seal.
System Settings	Graphical User Interface	Settings in the System mode, global to the unit and affecting all programs

T

Term	Category	Definition	Examples
Tach Generator	Electrical Control	Measures shaft rotation rate of using an internally generated electrical signal
Tank Melter	Melter	Melter that stores melted adhesive in a heated tank
Template	Pattern Control	Used by a pattern control to optimize sensor, pattern, and bead placement
Thermal Fuse	Temperature Control	A one-time fusible link that is a single-use device that must be replaced when it fails or is triggered
Thermal Sensor	Temperature Control	A sensor that detects temperature
Thermoplastic Material	Adhesive	A synthetic material, solid at room temperature, that softens when heated, and is solid when cooled again
Time-base Scale	Pattern Control	Pattern Control is time-based, not distance-based. Used on lines with fixed speed.
Tip Seal	Applicator	Applicator that prevents unused adhesive from exposure to air
Tolerance Band	Product Inspection	Upper and lower settings that enable user to identify out-of-tolerance product
Trailing Edge	Pattern Control	Product edge where trigger stops sensing product as it passes. Used by pattern control to generate random-length patterns and for auto scaling
Trigger	Pattern Control	Photosensor or switch that detects products travelling along the production line
Trigger Masking	Pattern Control	Setting used to lock out trigger for products that have holes that could cause disruption to pattern control
Trigger Memory	Pattern Control	When set to Off, the pattern is terminated; when set to On, the pattern resumes when line speed is above the start speed setting.
Trigger Polarity	Pattern Control	Trigger setting that either enables the sensor when it receives light OR when it receives no light	Either Always Off and therefore switches On when product is detected, or vice versa.
Trigger Source	Pattern Control	Device that provides a signal to a pattern control
Turn	Usage	Change the position of a switch by rotating; to change state	If the upgrade is successful, the yellow LED will turn off.
Two-level Password	Graphical User Interface	Security level that requires a user to enter a second password after logging in
Two-zone Tank	Melter	Melter tank that uses two temperature control zones to improve adhesive temperature regulation

U

Term	Category	Definition	Examples
Unavailable	Usage	Not able to be used or obtained	The Undo button is unavailable from the Home screen.
Units	Packaging	Large group of bundled or unbundled boxes, banded and/or stretch filmed together for shipment
User Interface (UI)	User Interface	User interface comprises: screen menus and icons; mouse and gesture movements; online help; physical buttons, dials, and levers. Also, a mouse, keyboard, touch screen, and remote control

v

Term	Category	Definition	Examples
Verification	Product Inspection	Showing or checking that something is true or accurate	Verification capabilities enhance on-line quality assurance by monitoring adhesive pattern and placement accuracy.
View	Graphical User Interface	Look at, examine, or inspect	You can view a Job Report.
Virtual Encoder	Pattern Control	Motor drive software that incorporates a command speed to produce a desired position drive signal
Virtual Network Computing (VNC)	Graphical User Interface	Desktop sharing that lets you remotely control another computer
Viscosity	Adhesive	Fluid’s resistance to gradual deformation by shear stress or tensile stress. “Thickness"

W

Term	Category	Definition	Examples
Warning	Graphical User Interface	Action that can cause death or serious injury if not heeded
Wire	Electrical Controls	Use wires to connect two or more electrical devices; install wiring into a machine	Wire the pattern controller
Wizard	Graphical User Interface	Software that automates complex setup tasks by asking you simple questions