|
Explaining the
Words, Terms and Jargon
|
|
This
glossary is intended to define the most common
terminology and language used in the fastening industry.
|
|
A |
A joint |
Hard joint requiring
30o
or less of rotation from snug to target torque |
|
|
Air motor |
Rotating cylinder with
vanes in air tools to generate power
from compressed air |
|
|
Angle of rotation |
Angle measured from snug to target torque |
|
B |
B joint |
Medium hard joint requiring about 180o
of rotation to target torque |
|
|
Balancer |
Hanging device to hold the weight of tool at
any height |
|
C |
C joint |
Medium soft joint requiring about 360o
of rotation to target torque |
|
|
cfm |
Air flow measured in
cubic feet per minute |
|
|
Clamp load |
Force holding two components together |
| |
Click mode |
Tester mode that displays reading upon the
"click" action of a click wrench |
| |
Clutch |
Mechanism to transfer torque from air motor to
fastener |
| |
Continuous drive |
Tools that deliver torque
continuously during its cycle |
| |
Controlled tool |
Tool controlled electronically with internal
transducer |
| |
Controller |
Device that controls the torque output of a
transducerized power tool |
| |
Cross threading |
When fastener threads bind with application
threads |
|
D |
D joint |
Soft joint requiring
720o
or more of rotation from snug to target torque |
| |
dB(A) |
Logarithmic measure
of sound level in decibels. Each change in 3
dB(A) results in a change in sound level by a factor
of two. |
| |
DC Tool |
A common type of controlled tool
powered by a Direct Current electric
motor |
| |
Discontinuous drive |
Tools that deliver
torque in increments during its cycle |
| |
Dynamic torque |
Torque measuring
during fastening |
|
E |
Ergo-Arm |
Mounted device that
holds tool and absorbs torque reaction |
| |
Ergonomics |
Science of optimizing
process to personnel |
| |
ESD |
Electro Static
Discharge; concern of electronics assembly |
|
F |
First peak mode |
Tester mode that
displays the initial peak of torque regardless of
subsequent torque readings |
| |
Frequency response |
Filter setting of a
torque analyzer |
| |
FRL |
Filter Regulator
Lubricator; treats compressed air for use by
air tools |
|
H |
Hard joint |
Joint requiring 30o
or less of rotation from snug to target torque |
| |
Hex drive |
Device to hold a
screwdriver bit into the front of tool |
|
J |
Joint |
Combination of a
fastener, application, washers, gaskets, o-rings |
| |
Joint kit |
Joint simulator
typically consisting of a stack of washers or a
spring |
| |
Joint simulator |
Device to emulate a
fastener - application |
|
K |
KDM |
Keypad Display
Module; control panel for AcraDyne controller |
| |
kg-cm |
Metric measure of
torque in kilogram centimeters |
|
L |
Line control |
Using signals from
tool to control aspects of the production process |
|
M |
Mag-O-Net |
Small magnetic ring
place on screwdriver bit |
| |
Monitored tool |
Tool that reports the
installed torque to a controller |
| |
Multiplier |
Device with many gears
that multiplies torque output of another tool |
|
N |
NiCd |
Nickel Cadmium;
a type of older technology tool battery |
| |
NiMH |
Nickel Metal
Hydride; a type of newer technology tool
battery |
| |
Nm |
Metric measure of
torque in Newton meters |
| |
Nutrunner |
Tool to fasten nuts
onto bolts; typically with angle head |
|
P |
Parameter |
Set of conditions
under which a cycle is considered acceptable |
| |
Peak mode |
Tester mode that
displays highest torque reading of a cycle |
| |
Prevailing torque |
Torque required during
the rundown of the fastener |
| |
Productivity |
Measurement of output
of a process |
| |
Pulse tool |
Assembly tool with
hydraulic chamber to generate torque |
|
Q |
Quality |
Adhering to torque and
quality specifications |
|
R |
Ratchet wrench |
Tool used in tight
spaces; rotates in increments |
| |
Reaction bar |
Strong engineered
metal bar that absorbs torque reaction |
| |
Regulator |
Provides constant air
pressure for use by air tools |
| |
Reliability |
Expected service life
for a tool's intended purpose |
| |
Residual torque |
Torque remaining in
the joint after tightening |
| |
Retractor |
Hanging device that
holds weight of tool at specific heights |
| |
Rotary transducer |
Rotating device to
measure torque during fastening |
| |
Rundown |
Portion of the cycle
before the head of the fastener contacts the surface |
|
S |
Screw presenter |
Automation device to
line up and present fasteners to magnetized bit |
| |
Screwfeeder |
Automation device to
feed fasteners to head of driver |
| |
Soft joint |
Joint requiring 720o
or more of rotation from snug to target torque |
| |
Solenoid valve |
Device to shut off air
supply to tool |
| |
Square drive |
Device to hold a
socket into the front of tool |
|
T |
Tension |
Force that stretches a
fastener |
| |
Tightening Monitor |
Method to verify cycle
completion and cycle time of assembly tools |
| |
Torque |
Force at a distance,
or resistance to rotation |
| |
Torque analyzer |
Electronic device to
analyze, display, measure torque |
| |
Torque reaction |
Kick or movement felt
by operators during fastening |
| |
Track mode |
Tester mode that
displays running torque with no memory |
| |
Transducer |
Device to measure
torque |
| |
Tubenut wrench |
Tool to fasten tube
nuts onto hydraulic or control lines |
| |
|
|
| |
|
|
