Warnings, Cautions, and Notes
as Used in this Publication
Warning notices are used in this publication to emphasize that hazardous voltages, currents,
temperatures, or other conditions that could cause personal injury exist in this equipment or may
be associated with its use.
In situations where inattention could cause either personal injury or damage to equipment, a
Warning notice is used.
Caution notices are used where equipment might be damaged if care is not taken.
GFL-001
Warning
Caution
Note
Notes merely call attention to information that is especially significant to understanding and
operating the equipment.
This document is based on information available at the time of its publication. While efforts
have been made to be accurate, the information contained herein does not purport to cover all
details or variations in hardware or software, nor to provide for every possible contingency in
connection with installation, operation, or maintenance. Features may be described herein which
are not present in all hardware and software systems. GE Fanuc Automation assumes no
obligation of notice to holders of this document with respect to changes subsequently made.
GE Fanuc Automation makes no representation or warranty, expressed, implied, or statutory
with respect to, and assumes no responsibility for the accuracy, completeness, sufficiency, or
usefulness of the information contained herein. No warranties of merchantability or fitness for
purpose shall apply.
This section describes the safety precautions related to the use of CNC units. It is essential that these precautions
be observed by users to ensure the safe operation of machines equipped with a CNC unit (all descriptions in this
section assume this configuration). Note that some precautions are related only to specific functions, and thus
may not be applicable to certain CNC units.
Users must also observe the safety precautions related to the machine, as described in the relevant manual supplied
by the machine tool builder. Before attempting to operate the machine or create a program to control the operation
of the machine, the operator must become fully familiar with the contents of this manual and relevant manual
supplied by the machine tool builder.
This manual includes safety precautions for protecting the user and preventing damage to the
machine. Precautions are classified into W arning and Caution according to their bearing on safety.
Also, supplementary information is described as a Note. Read the Warning, Caution, and Note
thoroughly before attempting to use the machine.
WARNING
Applied when there is a danger of the user being injured or when there is a danger of both the user
being injured and the equipment being damaged if the approved procedure is not observed.
CAUTION
Applied when there is a danger of the equipment being damaged, if the approved procedure is not
observed.
NOTE
The Note is used to indicate supplementary information other than Warning and Caution.
` Read this manual carefully, and store it in a safe place.
s–2
B–63614EN/01
2
SAFETY PRECAUTIONS
GENERAL W ARNINGS AND CAUTIONS
WARNING
1. Never attempt to machine a workpiece without first checking the operation of the machine.
Before starting a production run, ensure that the machine is operating correctly by performing
a trial run using, for example, the single block, feedrate override, or machine lock function or
by operating the machine with neither a tool nor workpiece mounted. Failure to confirm the
correct operation of the machine may result in the machine behaving unexpectedly, possibly
causing damage to the workpiece and/or machine itself, or injury to the user.
2. Before operating the machine, thoroughly check the entered data.
Operating the machine with incorrectly specified data may result in the machine behaving
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
3. Ensure that the specified feedrate is appropriate for the intended operation. Generally , for each
machine, there is a maximum allowable feedrate. The appropriate feedrate varies with the
intended operation. Refer to the manual provided with the machine to determine the maximum
allowable feedrate. If a machine is run at other than the correct speed, it may behave
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
4. When using a tool compensation function, thoroughly check the direction and amount of
compensation.
Operating the machine with incorrectly specified data may result in the machine behaving
unexpectedly , possibly causing damage to the workpiece and/or machine itself, or injury to the
user.
5. The parameters for the CNC and PMC are factory–set. Usually , there is not need to change them.
When, however, there is not alternative other than to change a parameter, ensure that you fully
understand the function of the parameter before making any change.
Failure to set a parameter correctly may result in the machine behaving unexpectedly , possibly
causing damage to the workpiece and/or machine itself, or injury to the user.
6. Immediately after switching on the power , do not touch any of the keys on the MDI panel until
the position display or alarm screen appears on the CNC unit.
Some of the keys on the MDI panel are dedicated to maintenance or other special operations.
Pressing any of these keys may place the CNC unit in other than its normal state. Starting the
machine in this state may cause it to behave unexpectedly.
7. The operator’s manual and programming manual supplied with a CNC unit provide an overall
description of the machine’s functions, including any optional functions. Note that the optional
functions will vary from one machine model to another. Therefore, some functions described
in the manuals may not actually be available for a particular model. Check the specification of
the machine if in doubt.
s–3
SAFETY PRECAUTIONS
B–63614EN/01
WARNING
8. Some functions may have been implemented at the request of the machine–tool builder . When
using such functions, refer to the manual supplied by the machine–tool builder for details of their
use and any related cautions.
NOTE
Programs, parameters, and macro variables are stored in nonvolatile memory in the CNC unit.
Usually, they are retained even if the power is turned of f. Such data may be deleted inadvertently,
however, or it may prove necessary to delete all data from nonvolatile memory as part of error
recovery.
T o guard against the occurrence of the above, and assure quick restoration of deleted data, backup
all vital data, and keep the backup copy in a safe place.
s–4
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3
1. Coordinate system setting
SAFETY PRECAUTIONS
W ARNINGS AND CAUTIONS RELATED T O
PROGRAMMING
This section covers the major safety precautions related to programming. Before attempting to
perform programming, read the supplied operator’s manual and programming manual carefully
such that you are fully familiar with their contents.
WARNING
If a coordinate system is established incorrectly, the machine may behave unexpectedly as a
result of the program issuing an otherwise valid move command.
Such an unexpected operation may damage the tool, the machine itself, the workpiece, or cause
injury to the user.
2. Positioning by nonlinear interpolation
When performing positioning by nonlinear interpolation (positioning by nonlinear movement
between the start and end points), the tool path must be carefully confirmed before performing
programming.
Positioning involves rapid traverse. If the tool collides with the workpiece, it may damage the
tool, the machine itself, the workpiece, or cause injury to the user.
3. Function involving a rotation axis
When programming polar coordinate interpolation or normal–direction (perpendicular) control,
pay careful attention to the speed of the rotation axis. Incorrect programming may result in the
rotation axis speed becoming excessively high, such that centrifugal force causes the chuck to
lose its grip on the workpiece if the latter is not mounted securely.
Such mishap is likely to damage the tool, the machine itself, the workpiece, or cause injury to
the user.
4. Inch/metric conversion
Switching between inch and metric inputs does not convert the measurement units of data such
as the workpiece origin offset, parameter, and current position. Before starting the machine,
therefore, determine which measurement units are being used. Attempting to perform an
operation with invalid data specified may damage the tool, the machine itself, the workpiece, or
cause injury to the user.
5. Constant surface speed control
When an axis subject to constant surface speed control approaches the origin of the workpiece
coordinate system, the spindle speed may become excessively high. Therefore, it is necessary
to specify a maximum allowable speed. Specifying the maximum allowable speed incorrectly
may damage the tool, the machine itself, the workpiece, or cause injury to the user.
s–5
SAFETY PRECAUTIONS
WARNING
6. Stroke check
After switching on the power, perform a manual reference position return as required. Stroke
check is not possible before manual reference position return is performed. Note that when stroke
check is disabled, an alarm is not issued even if a stroke limit is exceeded, possibly damaging
the tool, the machine itself, the workpiece, or causing injury to the user.
7. Tool post interference check
A tool post interference check is performed based on the tool data specified during automatic
operation. If the tool specification does not match the tool actually being used, the interference
check cannot be made correctly, possibly damaging the tool or the machine itself, or causing
injury to the user.
After switching on the power, or after selecting a tool post manually, always start automatic
operation and specify the tool number of the tool to be used.
8. Absolute/incremental mode
B–63614EN/01
If a program created with absolute values is run in incremental mode, or vice versa, the machine
may behave unexpectedly.
9. Plane selection
If an incorrect plane is specified for circular interpolation, helical interpolation, or a canned cycle,
the machine may behave unexpectedly. Refer to the descriptions of the respective functions for
details.
10.Torque limit skip
Before attempting a torque limit skip, apply the torque limit. If a torque limit skip is specified
without the torque limit actually being applied, a move command will be executed without
performing a skip.
11. Programmable mirror image
Note that programmed operations vary considerably when a programmable mirror image is
enabled.
12.Compensation function
If a command based on the machine coordinate system or a reference position return command
is issued in compensation function mode, compensation is temporarily canceled, resulting in the
unexpected behavior of the machine.
Before issuing any of the above commands, therefore, always cancel compensation function
mode.
s–6
B–63614EN/01
4
1. Manual operation
SAFETY PRECAUTIONS
W ARNINGS AND CAUTIONS RELATED T O HANDLING
This section presents safety precautions related to the handling of machine tools. Before attempting
to operate your machine, read the supplied operator’s manual and programming manual carefully,
such that you are fully familiar with their contents.
WARNING
When operating the machine manually , determine the current position of the tool and workpiece,
and ensure that the movement axis, direction, and feedrate have been specified correctly.
Incorrect operation of the machine may damage the tool, the machine itself, the workpiece, or
cause injury to the operator.
2. Manual reference position return
After switching on the power, perform manual reference position return as required. If the
machine is operated without first performing manual reference position return, it may behave
unexpectedly . Stroke check is not possible before manual reference position return is performed.
An unexpected operation of the machine may damage the tool, the machine itself, the workpiece,
or cause injury to the user.
3. Manual numeric command
When issuing a manual numeric command, determine the current position of the tool and
workpiece, and ensure that the movement axis, direction, and command have been specified
correctly, and that the entered values are valid.
Attempting to operate the machine with an invalid command specified may damage the tool, the
machine itself, the workpiece, or cause injury to the operator.
4. Manual handle feed
In manual handle feed, rotating the handle with a large scale factor, such as 100, applied causes
the tool and table to move rapidly. Careless handling may damage the tool and/or machine, or
cause injury to the user.
5. Disabled override
If override is disabled (according to the specification in a macro variable) during threading, rigid
tapping, or other tapping, the speed cannot be predicted, possibly damaging the tool, the machine
itself, the workpiece, or causing injury to the operator.
6. Origin/preset operation
Basically, never attempt an origin/preset operation when the machine is operating under the
control of a program. Otherwise, the machine may behave unexpectedly, possibly damaging the
tool, the machine itself, the tool, or causing injury to the user.
s–7
SAFETY PRECAUTIONS
WARNING
7. Workpiece coordinate system shift
Manual intervention, machine lock, or mirror imaging may shift the workpiece coordinate
system. Before attempting to operate the machine under the control of a program, confirm the
coordinate system carefully.
If the machine is operated under the control of a program without making allowances for any shift
in the workpiece coordinate system, the machine may behave unexpectedly, possibly damaging
the tool, the machine itself, the workpiece, or causing injury to the operator.
8. Software operator ’s panel and menu switches
Using the software operator’s panel and menu switches, in combination with the MDI panel, it
is possible to specify operations not supported by the machine operator’s panel, such as mode
change, override value change, and jog feed commands.
Note, however, that if the MDI panel keys are operated inadvertently, the machine may behave
unexpectedly, possibly damaging the tool, the machine itself, the workpiece, or causing injury
to the user.
B–63614EN/01
9. Manual intervention
If manual intervention is performed during programmed operation of the machine, the tool path
may vary when the machine is restarted. Before restarting the machine after manual intervention,
therefore, confirm the settings of the manual absolute switches, parameters, and
absolute/incremental command mode.
10.Feed hold, override, and single block
The feed hold, feedrate override, and single block functions can be disabled using custom macro
system variable #3004. Be careful when operating the machine in this case.
11. Dry run
Usually, a dry run is used to confirm the operation of the machine. During a dry run, the machine
operates at dry run speed, which differs from the corresponding programmed feedrate. Note that
the dry run speed may sometimes be higher than the programmed feed rate.
12.Cutter and tool nose radius compensation in MDI mode
Pay careful attention to a tool path specified by a command in MDI mode, because cutter or tool
nose radius compensation is not applied. When a command is entered from the MDI to interrupt
in automatic operation in cutter or tool nose radius compensation mode, pay particular attention
to the tool path when automatic operation is subsequently resumed. Refer to the descriptions of
the corresponding functions for details.
13.Program editing
If the machine is stopped, after which the machining program is edited (modification, insertion,
or deletion), the machine may behave unexpectedly if machining is resumed under the control
of that program. Basically , do not modify, insert, or delete commands from a machining program
while it is in use.
s–8
B–63614EN/01
5
1. Memory backup battery replacement
SAFETY PRECAUTIONS
W ARNINGS RELATED TO DAILY MAINTENANCE
WARNING
Only those personnel who have received approved safety and maintenance training may perform
this work.
When replacing the batteries, be careful not to touch the high–voltage circuits (marked
fitted with an insulating cover).
Touching the uncovered high–voltage circuits presents an extremely dangerous electric shock
hazard.
and
NOTE
The CNC uses batteries to preserve the contents of its memory, because it must retain data such as
programs, offsets, and parameters even while external power is not applied.
If the battery voltage drops, a low battery voltage alarm is displayed on the machine operator’s panel
or screen.
When a low battery voltage alarm is displayed, replace the batteries within a week. Otherwise, the
contents of the CNC’s memory will be lost.
Refer to the maintenance section of the operator’s manual or programming manual for details of the
battery replacement procedure.
s–9
SAFETY PRECAUTIONS
B–63614EN/01
WARNING
2. Absolute pulse coder battery replacement
Only those personnel who have received approved safety and maintenance training may perform
this work.
When replacing the batteries, be careful not to touch the high–voltage circuits (marked
fitted with an insulating cover).
Touching the uncovered high–voltage circuits presents an extremely dangerous electric shock
hazard.
NOTE
The absolute pulse coder uses batteries to preserve its absolute position.
If the battery voltage drops, a low battery voltage alarm is displayed on the machine operator’s panel
or screen.
When a low battery voltage alarm is displayed, replace the batteries within a week. Otherwise, the
absolute position data held by the pulse coder will be lost.
Refer to the FANUC SERVO MOTOR α series for details of the battery replacement procedure.
and
s–10
B–63614EN/01
3. Fuse replacement
SAFETY PRECAUTIONS
WARNING
Before replacing a blown fuse, however, it is necessary to locate and remove the cause of the
blown fuse.
For this reason, only those personnel who have received approved safety and maintenance
training may perform this work.
When replacing a fuse with the cabinet open, be careful not to touch the high–voltage circuits
(marked
Touching an uncovered high–voltage circuit presents an extremely dangerous electric shock
hazard.
Describes chapter organization, applicable models, related manuals,
and notes for reading this manual.
II. PROGRAMMING
Describes each function: Format used to program functions in the NC
language, characteristics, and restrictions. When a program is created
through conversational automatic programming function, refer to the
manual for the conversational automatic programming function
(Table 1).
III. OPERATION
Describes the manual operation and automatic operation of a machine,
procedures for inputting and outputting data, and procedures for
editing a program.
IV. MAINTENANCE
Describes procedures for replacing batteries.
APPENDIX
Lists tape codes, valid data ranges, and error codes.
1. GENERAL
Some functions described in this manual may not be applied to some
products. For detail, refer to the DESCRIPTIONS manual(B–63522EN).
This manual does not describe parameters in detail. For details on
parameters mentioned in this manual, refer to the manual for parameters
(B–63610EN).
This manual describes all optional functions. Look up the options
incorporated into your system in the manual written by the machine tool
builder.
The models covered by this manual, and their abbreviations are:
Product nameAbbreviations
FANUC Series 21i–MB21i–MBSeries 21i
FANUC Series 210i–MB210i–MBSeries 210i
3
GENERAL1. GENERAL
B–63614EN/01
Special symbols
_
DP
I
D ;
Related manuals of
Series 16i/18i/21i/160i/
180i/210i–MODEL B
This manual uses the following symbols:
Indicates a combination of axes such as X__ Y__ Z (used in
PROGRAMMING.).
Indicates the end of a block. It actually corresponds to the ISO code LF
or EIA code CR.
The following table lists the manuals related to Series 16i, Series 18i,
Series 21i, Series 160i, Series 180i, Series 210i–MODEL B. This manual
is indicated by an asterisk(*).
Manual name
DESCRIPTIONSB–63522EN
CONNECTION MANUAL (HARDWARE)B–63523EN
CONNECTION MANUAL (FUNCTION)B–63523EN–1
OPERA T ORS MANUAL (16i/18i/160i/180i–TB)B–63524EN
OPERATOR’S MANUAL (16i/18i/160i/180i–MB)B–63534EN
PROGRAMMING MANUAL
FAPT MACRO COMPILER (For Personal Computer)
PROGRAMMING MANUAL
C Language Executor PROGRAMMING MANUALB–62443EN–3
CAP (T series)
FANUC Super CAPi T OPERATORS MANUALB–63284EN
FANUC Symbol CAPi T OPERATOR’S MANUALB–63304EN
MANUAL GUIDE For Lathe PROGRAMMING MANUALB–63343EN
MANUAL GUIDE For Lathe OPERA T OR’S MANUALB–63344EN
B–61803E–1
B–66102E
CAP (M series)
FANUC Super CAPi M OPERATOR’S MANUALB–63294EN
MANUAL GUIDE For Milling PROGRAMMING MANUALB–63423EN
MANUAL GUIDE For Milling OPERA T OR’S MANUALB–63424EN
4
B–63614EN/01
GENERAL
1. GENERAL
Related manuals of
SERVO MOTOR a series
Manual name
PMC
PMC Ladder Language PROGRAMMING MANUALB–61863E
PMC C Language PROGRAMMING MANUALB–61863E–1
Network
FANUC I/O Link–II CONNECTION MANUALB–62714EN
Profibus–DP Board OPERA T OR’S MANUALB–62924EN
DeviceNet Board OPERA T OR ’S MANUALB–63404EN
Ethernet Board/DA T A SERVER Board
OPERATOR’S MANUAL
Specification
number
B–63354EN
The following table lists the manuals related to SER VO MOT OR a series
Manual name
AC SERVO MOTOR a series DESCRIPTIONSB–65142E
AC SERVO MOTOR a series PARAMETER MANUALB–65150E
Specification
number
AC SPINDLE MOTOR a series DESCRIPTIONSB–65152E
AC SPINDLE MOTOR a series PARAMETER MANUALB–65160E
SERVO AMPLIFIER a series DESCRIPTIONSB–65162E
SERVO MOTOR a series MAINTENANCE MANUALB–65165E
5
GENERAL1. GENERAL
B–63614EN/01
1.1
GENERAL FLOW
OF OPERA TION OF
CNC MACHINE
TOOL
When machining the part using the CNC machine tool, first prepare the
program, then operate the CNC machine by using the program.
1) First, prepare the program from a part drawing to operate the CNC
machine tool.
How to prepare the program is described in the Chapter II.
PROGRAMMING.
2) The program is to be read into the CNC system. Then, mount the
workpieces and tools on the machine, and operate the tools according
to the programming. Finally, execute the machining actually.
How to operate the CNC system is described in the Chapter III.
OPERATION.
Part
drawing
CHAPTER II PROGRAMMINGCHAPTER III OPERATION
Part
programming
CNC
MACHINE TOOL
Before the actual programming, make the machining plan for how to
machine the part.
Machining plan
1. Determination of workpieces machining range
2. Method of mounting workpieces on the machine tool
3. Machining sequence in every machining process
4. Machining tools and machining
Decide the machining method in every machining process.
Machining process
Machining process
Machining procedure
1. Machining method
: Rough
Semi
Finish
2. Machining tools
3. Machining conditions
: Feedrate
Cutting depth
4. Tool path
123
Feed cuttingSide cutting
Hole
machining
6
B–63614EN/01
GENERAL
Tool
Side cutting
1. GENERAL
Face cutting
Hole machining
Prepare the program of the tool path and machining condition
according to the workpiece figure, for each machining.
7
1.2
CAUTIONS ON
READING THIS
MANUAL
GENERAL1. GENERAL
CAUTION
1 The function of an CNC machine tool system depends not
only on the CNC, but on the combination of the machine
tool, its magnetic cabinet, the servo system, the CNC, the
operator’s panels, etc. It is too difficult to describe the
function, programming, and operation relating to all
combinations. This manual generally describes these from
the stand–point of the CNC. So, for details on a particular
CNC machine tool, refer to the manual issued by the
machine tool builder, which should take precedence over
this manual.
2 Headings are placed in the left margin so that the reader can
easily access necessary information. When locating the
necessary information, the reader can save time by
searching though these headings.
3 This manual describes as many reasonable variations in
equipment usage as possible. It cannot address every
combination of features, options and commands that
should not be attempted.
If a particular combination of operations is not described, it
should not be attempted.
B–63614EN/01
1.3
CAUTIONS ON
V ARIOUS KINDS OF
DATA
CAUTION
Machining programs, parameters, variables, etc. are stored
in the CNC unit internal non–volatile memory. In general,
these contents are not lost by the switching ON/OFF of the
power. However, it is possible that a state can occur where
precious data stored in the non–volatile memory has to be
deleted, because of deletions from a maloperation, or by a
failure restoration. In order to restore rapidly when this kind
of mishap occurs, it is recommended that you create a copy
of the various kinds of data beforehand.
8
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