| Term | Description [ EN / PL ] |
|---|---|
| P/S ALARM | Alarm related to programs and manipulation. |
| PACK HARDENING | A heat-treating process in which
the workpiece is packed into a metal box together
with charcoal, charred leather, or other carbonaceous
material to case-harden the part. |
| PALLET CHANGER | A system that allows one or more workpieces to be loaded onto pallets, which are automatically cycled through a CNC machine. |
| PARABOLA | A
plane
curve
generated
by
a
point
moving
so
that
its
distance
from
a
fixed
second
point
is
equal
to
its
distance
from
a
fixed
line. |
| PARABOLIC INTERPOLATION | Control
of
cutter
path
by
interpolation
between
three
(3)
fixed
points
by
assuming
the
intermediate
points
are
on
a
parabola |
| PARALLEL | The
simultaneous
transfer
and
processing
of
all
bits
in
a
unit
of
information |
| PARALLEL AXIS | Controlled axis (such as the U-, V-, or W-axis) parallel to the X-, Y-, or
Z-axis, respectively. |
| PARALLEL OPERATION | Operation mode in which a move command for a certain program axis is used
to simultaneously feed two or more controlled axes (parallel axes) having the
same name. A parallel axis is represented using a combination of the same
axis name address as for the corresponding basic axis and a number (such
as X1, X2, and so on). |
| PARALLELS | Hardened steel bars accurately ground to
size and ordinarily made in pairs in many different
sizes to support work in precision setups. |
| PARAMETER | Data (such as feedrate, coordinate system, spindle, and tool parameters) set
in the CNC to define its specifications. |
| PARAMETER | A
characteristic
of
a
system
or
device,
the
value
of
which
serves
to
distinguish
various
specific
states |
| PARITY CHECK | A
test
of
whether
the
number
of
ONES
or
ZEROS
in
an
array
of
binary
digits
is
odd
or
even
to
detect
errors
in
a
group
of
bits |
| PART PROGRAMME | An
ordered
set
of
instructions
in
a
language
and
in
a
format
required
to
cause
operations
to
be
effected
under
automatic
control,
which
is
either
written
in
the
form
of
a
machine
programme
on
an
input
media
or
prepared
as
input
data
for
processing
in
a
computer
to
obtain
a
machine
programme |
| PART PROGRAMMER | A
person
who
prepares
the
planned
sequence
of
events
for
the
operation
of
a
numerically
controlled
machine
tool |
| PART PROGRAM | Sequence of instructions created using a language and format that support
the direct manipulation of the CNC. Alternatively, a sequence of instructions
prepared as input data to be processed during automatic programming. |
| PART PROGRAM STORAGE LENGTH | Size of a program that can be stored in CNC memory as an equivalent paper
tape length (number of characters x 2.54 mm). |
| PARTING | The operation of cutting off a piece from a
part held in the chuck of a lathe. |
| PASSWORD | A
word
the
operator
must
supply
in
order
to
meet
the
security
requirements
and
gain
access
to
the
computer |
| PASSWORD FUNCTION | Disabling the editing of specific programs (such as those identified by program
number 09000 to 09999). |
| PATCH | Temporary
coding
used
to
correct
or
alter
a
routine. |
| PATTERN DATA INPUT | Simplified programming in which menus are used to set numeric data (pattern
date), based on drawings, in the CNC. |
| PATTERN FUNCTION | Punching at two or more positions arranged in a known layout, using a single
block. |
| PATTERN STORAGE AND RECALL | Pattern function in which codes A1 to A5 are assigned to patterns of the same
figure, storing them, and restoring them using codes B1 to B5 when necessary. |
| PAWL | A pivoted lever or sliding bolt that secures as
an automatic directional table control on a grinder. |
| PDP/MDI | Panel which incorporates both a plasma display panel (PDP) and a manual
data input (MDI) keyboard. Used to display and set programs and data in the
CNC. |
| PEEN | To draw, bend. or flatten, also, the formed side
of a hammer opposite the face. |
| PERIPHERAL EQUIPMENT | The
auxiliary
machines
and
storage
devices
which
may
be
placed
under
control
of
the
central
computer
and
may
be
used
on-line
or
off-line. E.g.,
card
reader
and
punches,
magnetic
tape
feeds,
high
speed
printers,
CRTs
and
magnetic
drums
or
discs |
| PERIPHERAL | Auxiliary
equipment
used
for
entering
data
into
or
receiving
data
from
a
computer. |
| PICOSECOND | One
millionth
of
one
microsecond. |
| PILOT | A guide at the end of a counterbore which
keeps it aligned with the hole |
| PILOT HOLE | A starting hole for large drills to serve as
a guide, reduce the resistance, and aid in maintaining
the accuracy of the larger hole. Also called a lead
hole. |
| PINNING | A term used to describe the condition of a
file clogged with metal filings causing it to scratch
the work. |
| PITCH (ROBOTS) | A
rotation
of
the
payload
or
tool
about
a
horizontal
axis
on
the
end
of
a
robot
arm
which
is
perpendicular
to
the
longitudinal
axis
of
the
arm |
| PITCH | The distance from any point on a thread to the
corresponding point on the adjacent thread.
measured parallel to the axis. Also applied to spur
gears |
| PITCH CIRCLE | The line (circle) of contact between two
meshing gears. |
| PITCH DIAMETER | The diameter of a thread at an
imaginary point where the width of the groove and
the with of the thread are equal |
| PITCH ERROR COMPENSATION | Compensating for pitch errors in a mechanical feed section. |
| PITCH LINE | An imaginary line which passes through
threads at such points that the length of the part of the
line between adjacent threads is equal to the length of
the line within a thread |
| PLAIN CUTTER | A milling cutter with cutting teeth on
the periphery (circumference) only. |
| PLANE CONVERSION FUNCTION | Machining in which a machining program created on a G17 plane is converted
so that the resulting figure looks the same when viewed from another
plane in an orthogonal coordinate system. |
| PLANE SELECTION | Selecting a plane for circular interpolation, a plane for cutter compensation, a
plane for coordinate system rotation, or a plane for hole machining, using a
preparatory function. |
| PLANNING SHEET | A
list
of
operations
for
the
manufacture
of
a
part,
prepared
before
the
part
programme |
| PLAYBACK FUNCTION | Programming in which a command assumes that a position to which the tool
is moved manually is that command’s target tool position. |
| PLOTTER | A
device
used
to
make
a
drawing
of
a
display |
| PMC | Sequence controller configured in the CNC and used to execute ladder program.
The term PMC stands for programmable machine controller. The PMC
is placed between the CNC and machine to control the input/output of signals
between them. |
| POCKET CALCULATOR TYPE DECIMAL POINT PROGRAMMING | Decimal number input in which the values are input in units of mm, inches, or
degrees. |
| POINT-TO-POINT CONTROL SYSTEM | An
NC
system
which
controls
motion
only
to
reach
a
given
end
point
but
exercises
no
path
control
during
the
transition
from
one
end
point
to
the
next |
| POLAR AXES | The
fixed
lines
from
which
the
angles
made
by
radius
vectors
are
measured
in
a
polar
co-ordinates
system |
| POLAR CO-ORDINATES | A
mathematical
system
for
locating
a
point
in
a
plane
by
the
length
of
its
radius
vector
and
the
angle
this
vector
makes
with
a
fixed
line |
| POLAR COORDINATE COMMAND | Program command that specifies the end point of tool movement in a polar
coordinate system (using a radius and angle). |
| POLAR COORDINATE INTERPOLATION | Interpolation performed by converting a command programmed in an orthogonal
coordinate system into a combination of a linear axis movement (tool
movement) and rotary axis movement (workpiece rotation). This is used, for
example, when grinding a cam shaft. |
| POLYGON TURNING | Machining a polygon by changing the rotation ratio between the workpiece
and tool, and the number of cutters used. |
| POSITION READOUT | A
display
of
absolute
slide
position
as
derived
from
a
position
feedback
device
(transducer
usually)
normally
attached
to
the
lead screw
of
the
machine. |
| POSITION SENSOR | A
device
for
measuring
a
position,
and
converting
this
measurement
into
a
form
convenient
for
transmission |
| POSITION STORAGE | The
storage
media
in
an
NC
system
containing
the
POSITION
STORAGE
co-ordinate
positions
read
from
tape |
| POSITION CODER | Device, connected to the spindle by means of a belt, that detects and outputs
the rotation angle of the spindle as a pulse train. It is used to detect the tool
exchange position and to perform threading. |
| POSITIONING | Feeding a tool to the target position at a traverse feedrate previously specified
in the CNC. |
| POSITIVE LOGIC | Logic
in
which
the
more
positive
voltage
represents
the
one (1)
state |
| POST-PROCESSOR | A
computer
programme
which
adapts
the
output
of
a
processor
into
a
machine
programme
for
the
production
of
a
part
on
a
particular
combination
of
machine
tool
and
controller |
| POWER OUTPUT COMMAND | Command for specifying the peak power when outputting a laser. The peak power is specified with the value immediately after the S address in the block which contains G01 (G02, G03, or G24). |
| PRECISION | The
degree
of
discrimination
with
which
a
quantity
is
stated,
e.g.,
a
three-digit
numeral
discriminates
among
1000
possibilities.
Precision
is
contrasted
with
accuracy,
i.e.,
a
quantity
expressed
with
10
decimal
digits
of
precision
may
only
have
one
digit
of
accuracy |
| PREPARATORY FUNCTION | An
NC
command
on
the
input
tape
changing
the
mode
of
operation
of
the
control.
(Generally
noted
at
the
beginning
of
a
block
by G plus
two
digits.) |
| PREPARATORY FUNCTION | Command that determines a machine and/or CNC function mode, such as
interpolation type, canned cycle, threading, and coordinate selection. |
| PREPROCESSOR | A
computer
programme
which
prepares
information
for processing |
| PRESS START LOCK | Preventing a press from starting. The press is prevented from starting by
inputting a press start lock signal to the CNC. |
| PRESS START WAITING | Deferring the start of a press according to the machine conditions. The press
is prevented from starting until a press start waiting signal applied from the
machine is released. |
| PRESSING (PUNCH) | Using a punch press to punch out a product from a workpiece or mold a product. |
| PREVENTATIVE MAINTENANCE | Maintenance
specifically
designed
to
identify
1
potential
faults
before
they
occur |
| PRINTED CIRCUIT | A
circuit
for
electronic
components
made
by
depositing
conductive
material
in
continuous
paths
from
terminal
to
terminal
on
an
insulating
surface |
| PROCESSOR | A
computer
programme
which
processes
information |
| PROGRAM | A program is the set of instructions that the CNC uses to direct the machine movements. Each line of instructions is called a block. Each block runs independently, thus allowing the program to be stepped along, one block at a time. Program jest zestawem instrukcji, które sterują ruchami maszyny CNC. Każda linia instrukcji nazywana jest blokiem. Każdy blok działa niezależnie, umożliwiając krokowe wykonywanie programu, po jednym bloku na raz. |
| PROGRAM ENCRYPTION | Protecting programmed information by mean of encryption. |
| PROGRAM END | Miscellaneous function indicating the end of a main program. |
| PROGRAM NUMBER | Number following the O address that is added to the beginning of a program
to discriminate it from others. |
| PROGRAM NUMBER SEARCH | Searching through programs for one identified by a specified number, and
calling that program once located. |
| PROGRAM RESTART | Resuming automatic operation from an intermediate block of the program. |
| PROGRAM SECTION | The part of a program between a program number and an end-of-program
code. |
| PROGRAM START | Symbol signifying the start of a program. |
| PROGRAM STOP | Miscellaneous function for temporarily stopping program execution. |
| PROGRAMMABLE | Capable
of
being
set
to
operate
in
a
specified
manner,
or
of
accepting
remote
setpoint
or
other
commands |
| PROGRAMMABLE MIRROR IMAGE | The ability, in the part program, to command mirror image of axes(is). |
| PROGRAMMABLE PARAMETER INPUT | Enabling a program to change parameter values. This function is used to set
pitch error compensation data, or change the maximum cutting feedrate or
cutting constants according to the machining condition. |
| PROGRAMMABLE RAPID TRAVERSE OVERRIDE | Overriding a rapid traverse rate during automatic operation by specifying the
F address followed by a number from 1 to 4 that corresponds to the override
ratio. |
| PROGRAMME STOP | A
Miscellaneous
Function
(M00)
command
to
stop
the spindle
coolant
and
feed
after
completion
of
the
dimensional
move
commanded
in the
block. To
continue
with
the
remainder
of
the
programme,
the
operator must
initiate
a
restart. |
| PROGRAMME | A
plan
for
the
solution
of
a
problem.
includes
plans
for
the
transcription
of
data,
coding
for
the
computer,
and
plans
for
the
absorption
of
the
results
into
the
system.
instructions
is
called
a
routine.
A
complete
programme
The
list
of
coded
To
plan
a
computation
or
process
from
the
asking
of
a
question
to
the
delivery
of
the
results,
including
the
integration
of
the
operation
into
an
existing
system.
Thus,
programming
consists
of
planning
and
coding,
including
numerical
analysis,
systems
analysis,
specification
of
printing
formats,
and
any
other
functions
necessary
to
the
integration
of
a
computer
in
a
system |
| PROGRAMMED ACCELERATION | A
controlled
velocity
increase
to
the
programmed
feedrate
of
an
NC
machine |
| PROGRAMMED DWELL | The
capability
of
commanding
delays
in
programme
execution
for
a
programmable
length
of
time |
| PROGRAMMED PATH | Tool path drawn using a specific point on a cutting tool when compensation
has not been applied for that tool. In a program, a programmed tool path and
compensation (such as tool length compensation or cutter compensation) are
specified independently. The CNC determines the actual tool path by correcting
the programmed path according to a compensation command. |
| PROTOCOL | Set
of
rules
governing
message
exchange
between
two
devices. |
| PULSE | A
short
duration
change
in
the
level
of
a
variable |
| PULSE DISTRIBUTION | Converting the amount of movement specified for each axis to a number of
pulses, according to a command issued for a tool path, and distributing the
pulses to each controlled axis. |
| PULSE FREQUENCY OVERRIDE | Manual control in which the operator can temporarily change the laser pulse frequency during operation, to vary the laser output power. This function is used to create the same figure with different materials or stock thicknesses. |
| PUNCH FORBIDDEN AREA | Disabling punch commands (if any) in a safety zone. |
| PUNCH, PRICK | A solid punch with a sharp point, used
to mark centers or other locations on metal. |
| PUNCHED CARD | A
piece
of
lightweight
cardboard
on
which
information
is
represented
by
holes
punched
in
specific
positions |
| PUNCHED PAPER TAPE | A
strip
of
paper
on
which
characters
are
represented
by
combinations
of
holes |
| PYROMETER | A device for measuring the high
temperatures in a heat-treating furnace. |