CNC Advanced Concepts

8/12/2019 CNC Advanced Concepts

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Maximizing CNC Utilization

Module three: Advanced

implications of basic features

Copyright 2000

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Module three presentation plan:Introduction

Documenting techniques

Block delete techniques

Sequence number techniques

G code techniques

Axis word techniques

Speed & feed techniques

T word techniques

M word techniques

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Nearly every CNC feature has multiple uses

3 1

Were calling anything not commonlyaddressed in a basic course an advanced

implication of basic features


4/100

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Relates to machining and turning centers


5/100

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Commonly taught in basic CNC courses:Parameters are seldom mentioned

Manipulated by maintenance people

Control many machine functions

Understanding parameters

On a 16 series Fanuc control, parameternumber 103 sets the baud rate for program

transfers. A value of 9 represents 2400 baud,

10 is 4800 baud, 11 is 9600 baud.

Example:


6/100

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Diversity of parametersEight bit binary type

Whole number type

Importance of backing up

Not commonly taught in basic courses:


7/100

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Whole number type




8/100

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Whole number type

Axis type


Parameters control thousands

of machine functionsReader/puncher interface

Axis control

Coordinate system

Stroke limitFeedrate

Acceleration/deceleration

Servo

CRT/MDI/EDIT

Program

Pitch error compensation

Spindle control

Tool offset

Canned cycle

Rigid tapping

Scaling/rotation

Uni-direction positioningPolar coordinate interpolation

Index table indexing

Custom macro

Skip functions

Graphic display

Tool life management

Look ahead

Even more!


9/100

3 1






Whole number type

Axis type


Many are of importance to

CNC programmers!Reader/puncher interface

Axis control

Coordinate system

Stroke limitFeedrate

Acceleration/deceleration

Servo

CRT/MDI/EDIT

Program

Pitch error compensation

Spindle control

Tool offset

Canned cycle

Rigid tapping

Scaling/rotation

Uni-direction positioningPolar coordinate interpolation

Index table indexing

Custom macro

Skip functions

Graphic display

Tool life management

Look ahead

Even more!


10/100

3 1






Whole number type




11/100

3 2






Whole number type




12/100






Whole number type

Axis type


8 bit parameters control up to 8 functions:

01234567

201: Transfer conditionNCR ASC SB2

0 0 0 0 0 0 1 1NCR 0: The EOB code used in output is LF, CR, CR

1: LF onlyASC 0: The code used for data output is ISO

1: ASCII

SB2 0: The number of stop bits is one

1: two

Parameter number

3 2


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Whole number type

Axis type



01234567




1: ASCII


1: two

General name

3 2


14/100






Whole number type

Axis type



01234567




1: ASCII


1: two

Bit numbers (0-7)

3 2


15/100






Whole number type

Axis type



01234567




1: ASCII


1: two

Bit names (abbreviated)

Unused in this parameter

3 2


16/100






Whole number type

Axis type



01234567




1: ASCII


1: two

Bit values (always 0 or 1)

3 2


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18/100

3 2


19/100






Whole number type



3 2

3 2


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Whole number type

Axis type


Whole number parameters:

Parameters often contain actual values

5140: Minimum depth of cut in G76

0050Value:(represents 0.0050 inch)

For Fanuc 16T:

3 2

3 2


21/100






Whole number type



3 2

3 2


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Whole number type



3 2

3 2


23/100






Whole number type

Axis type


Each control contains

thousands of parameters!

Most controls use a battery to

retain parameter valuesYou MUST make a backup

copy of your parameters!

(use a standard DNC device)

Remember to update whenever you

make parameter changes!

3 2

3 2


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Whole number type



3 2

3 3


25/100

3 3


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Commonly taught in basic CNC courses:Parentheses [()] allow messages

Control ignores anything inside

Must be upper case (most controls)

Documenting in the program

O0001

(THIS PROGRAM IS FOR PART #A1276-C)

N005 T01 M06

.

Example:

3 3

3 3


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Program headersTool information

At every program stop

Simple setup instructions


Applications not always taught in basic courses:

Changes after disputeSomething unusual

If messages not displayed

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3 3

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Must be upper case (most controls








O0001

(*** PROGRAM QUALIFIED 2/12/99 ***)

( MACHINE: MORI SEIKE SL4)( PART NUMBER: A-2355-2C)

( PART NAME: BEARING FLANGE)

( REVISION: F)

( CUSTOMER: ABC COMPANY)

( OPERATION: 20, MACHINE BORED END)( PROGRAMMER: MLL)

(DATE FIRST RUN: 4/11/98)

(PROGRAM REVISION: C)

( LAST PROGRAM REVISION: 1/30/98 BY CRD)( RUN TIME: 00:05:25)

N005 T0101 M41

N010 G96 S400 M03

N015 G00 X3. Z.1 M08

3 3

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Should be used to document








O0001

(*** PROGRAM QUALIFIED 2/12/99 ***)

( MACHINE: MORI SEIKE SL4)( PART NUMBER: A-2355-2C)

( PART NAME: BEARING FLANGE)

( REVISION: F)

( CUSTOMER: ABC COMPANY)

( OPERATION: 20, MACHINE BORED END)( PROGRAMMER: MLL)

(DATE FIRST RUN: 4/11/98)

(PROGRAM REVISION: C)

( LAST PROGRAM REVISION: 1/30/98 BY CRD)( RUN TIME: 00:05:25)

N005 T0101 M41

N010 G96 S400 M03

N015 G00 X3. Z.1 M08

Of special importance

3 3

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3 3

3 4


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3 4

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Program headers

Tool information





Changes after dispute

Something unusual


O0001(ROUGH TURNING TOOL)N005 T0101 M41N010 G96 S400 M03

N015 G00 X3.040 Z0.1N020 G01 Z-1.995 F0.017N025 X3.25N030 G00 X6.0 Z5.0N035 M01

(2 DRILL)N040 T0303 M41N045 G97 S300 M03N050 G00 X0 Z0.1N055 G01 Z-2.6 F.009N060 G00 Z0.1N065 G00 X6.0 Z5.0

N070 M01

(1.5 ROUGH BORING BAR)N075 T0404 M41N080 G96 S400 M03N085 G00 X2.085 Z0.1N090 G01 Z-1.995 F0.010

N095 X2.0N100 G00 Z0.1N105 X6.0 Z5.0N110 M01

(1.5 FINISH BORING BAR)N115 T0505 M42N120 G96 S600 M03N125 G00 X1.125 Z0.1N130 G01 Z-2.0 F0.006N135 X2.0N140 G00 Z0.1N145 G00 X6.0 Z5.0N148 M01

(FINISH TURNING TOOL)N150 T0202 M42

N155 G96 S600 M03N160 G00 X3. Z0.1N165 G01 Z-2.0 F0.006N170 X3.25N175 G00 X6.0 Z5.0N180 M01N185 M30

3 4

3 4


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Program headers

Tool information






Something unusual


O0001(ROUGH TURNING TOOL)N005 T0101 M41N010 G96 S400 M03

N015 G00 X3.040 Z0.1N020 G01 Z-1.995 F0.017N025 X3.25N030 G00 X6.0 Z5.0N035 M01

(2 DRILL)N040 T0303 M41N045 G97 S300 M03N050 G00 X0 Z0.1N055 G01 Z-2.6 F.009N060 G00 Z0.1N065 G00 X6.0 Z5.0

N070 M01

(1.5 ROUGH BORING BAR)N075 T0404 M41N080 G96 S400 M03N085 G00 X2.085 Z0.1N090 G01 Z-1.995 F0.010

N095 X2.0N100 G00 Z0.1N105 X6.0 Z5.0N110 M01

(1.5 FINISH BORING BAR)N115 T0505 M42N120 G96 S600 M03N125 G00 X1.125 Z0.1N130 G01 Z-2.0 F0.006N135 X2.0N140 G00 Z0.1N145 G00 X6.0 Z5.0N148 M01

(FINISH TURNING TOOL)N150 T0202 M42

N155 G96 S600 M03N160 G00 X3. Z0.1N165 G01 Z-2.0 F0.006N170 X3.25N175 G00 X6.0 Z5.0N180 M01N185 M30

Tool names

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3 4


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Program headers

Tool information






Something unusual


3 4

3 6


36/100

3 6

Commonly taught in basic CNC courses:

Parentheses [()] allow messages



Program headers

Tool information






Something unusual


N055 M00 (TURN PART AROUND)

3 6


37/100





Program headers

Tool information






Something unusual









Something unusual


O0001 (Program Number)(PART NUMBER 3504857, OPERATION NUMBER 10)(TO BE RUN ON VERTICAL MACHINING CENTER)

(OPERATOR: SET THE VISE IN THE MIDDLE OF THE TABLE AND)(PLACE FIXED STOP ON LEFT SIDE OF FIXED JAW. PLACE)(WORKPIECE IN SETUP FOR TOUCH OFF. PROGRAM ZERO IS THE)(LEFT SIDE OF THE PART IN X, THE LOWER SURFACE OF THE)(PART IN Y, AND THE TOP SURFACE OF THE PART IN Z.)(SET THE MEASURED PROGRAM ZERO DIMENSIONS IN FIXTURE)

(OFFSET NUMBER ONE.)(TOOLS REQUIRED:)(STATION: DESCRIPTION:)( 1 1" DRILL)( 2 .500 DRILL)( 3 6" FACE MILL)

N005 G54 G90 S400 M03 T02N010 ...

3 6

3 7


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Program headers

Tool information






Something unusual


N050 G01 Z-1.0 F0.012

(FEED CHANGED PER JM 2/10/00)

N055 G00 Z0.1

N060 X4.0 Z5.0

3 7

3 7


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Program headers

Tool information






Something unusual


O0002 (Program number)

(SPECIAL NOTE! TWO OFFSETS ARE USED FOR GROOVING)(TOOL IN STATION FIVE. USE OFFSET FIVE TO CONTROL)

(GROOVE AT HEADSTOCK END AND OFFSET TWENTY-FIVE)

(TO CONTROL GROOVE IN MIDDLE OF WORKPIECE.)

N005 T0101 M41

N010 G96 S500 M03.

.

3 7

3 8


40/100





Program headers

Tool information






Something unusual

If messages not displaye

3 8

3 8


41/100





Program headers

Tool information






Something unusual


O0001

N0

N2

N23552

N6

N3

N20

N3N020900

N3

N030400

N000525N005 T0101 M41

N010 G96 S400 M03

N015 G00 X3. Z.1 M08

Proven? 0:no, 1:yes

Machine number. 1: Okuma LB10, 2:Mori Seike SL4

Numbers in part number.

Revision. 1:A, 2:B, 3:C, 4:D, etc.

Customer. 1:ABC Company, 2:DEF Company, 3:GHI Company

Operation number.

Programmer. 1:Steve Thoms, 2:Larry Hassik, 3:John SmithDate first run.

Program revision. 1:A, 2:B, 3:C, etc.

Last program revision date.

Run time in hours minutes seconds format.

3 8

3 8


42/100





Program headers

Tool information






Something unusual


3 8

3 9


43/100


3 9


44/100


Slash code in program (/)

Works with block delete switch

If on, block skipped..if off, block executed

Techniques with block delete

O0001

N005 G54 G90 S500 M03 T02

N010 G00 G43 H01 X1.0 Y2.0 Z0.1

/ N015 M08

Example:

Block

delete

Off,coolant

comes on

3 9


45/100






O0001

N005 G54 G90 S500 M03 T02

N010 G00 G43 H01 X1.0 Y2.0 Z0.1

/ N015 M08

Example:

Block

delete

On,coolant

stays off

3 9


46/100






Mid command

Conflicting words with

Trial machining

With unexpected stock

Not always taught in basic courses:

Another optional stop

Multiple block deletes

3 9


47/100






Mid command


Trial machining





3 9


48/100






Mid command


Trial machining





One program for two workpieces:

Cast iron workpiece: no coolantSteel workpiece: coolant

.

N045 T01 M06

N050 G54 G90 S300 M03 T02

N055 G00 X4.0 Y3.0N060 G43 H01 Z0.1

/ N065 M08

.

Turn onblock delete for cast iron workpiece

Turn offblock delete for steel workpiece

3 9


49/100






Mid command


Trial machining






Cast iron workpiece: no coolantSteel workpiece: coolant

.

N045 T01 M06

N050 G54 G90 S300 M03 T02

N055 G00 X4.0 Y3.0N060 G43 H01 Z0.1/ M08

.


Turn offblock delete for steel workpiece

Slash code can be in

middle of command!

3 9


50/100






Mid command


Trial machining





3 10


51/100






Mid command


Trial machining





3 10


52/100






Mid command


Trial machining





This is probably a mistake:

N050 G00 X3.0 X5.0

But with most controls, noalarm will be sounded

The X5.0 is probably supposed to be Y5.0

Instead, the control will executeonly the latter of the conflicting

words (X5.0 in this example)

3 10


53/100






Mid command


Trial machining






Cast iron workpiece: no coolant, 300 rpm, 3.5 ipmSteel workpiece: coolant, 350 rpm, 4.5 ipm

.

N045 T02 M06

N050 G54 G90 M03 T03 S300/ S400

N055 G00 X4.0 Y3.0N060 G43 H02 Z0.1/ M08

N065 G81 R0.1 Z-0.5 F3.5/ F4.5

.


Turn offblock delete for steel workpieceSkipped if block

delete switch is on

3 10


54/100






Mid command


Trial machining






Cast iron workpiece: no coolant, 300 rpm, 3.5 ipmSteel workpiece: coolant, 350 rpm, 4.5 ipm

.

N045 T02 M06

N050 G54 G90 M03 T03 S300/ S400

N055 G00 X4.0 Y3.0N060 G43 H02 Z0.1/ M08

N065 G81 R0.1 Z-0.5 F3.5/ F4.5

.


Turn offblock delete for steel workpieceExecuted if block

delete switch is off

3 10


55/100






Mid command


Trial machining





3 11


56/100






Mid command


Trial machining





3 11


57/100






Mid command


Trial machining





Some basic courses minimize

discussions about trial machining

1. Adjust tool or offset to allow excess stock

2. Machine under influence of adjustment3. Stop and measure (usually at end of tool)

4. Adjust based upon the measurement

5. Rerun the tool

Steps to trial machine:

While almostfailsafe, trial

machining has two limitations

3 11


58/100






Mid command


Trial machining





Saving time and effort:

Use block delete to help with trial machining

If off, trial machining will take place

If on, trial machining will be skipped

With a little ingenuity, you can streamline

almost any trial machining operation!

3 11


59/100






Mid command


Trial machining











Trial boring on a machining center:

1) Intentionally set boring bar undersize

0.005 small

3 11


60/100






Mid command


Trial machining












2) Allow boring bar to partially machine hole

.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


61/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


62/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


63/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


64/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


65/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

The subprogram

must work for any

hole size

3 12


66/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

3 12


67/100






Mid command


Trial machining













O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

3 12


68/100






Mid command


Trial machining













O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

3 12


69/100






Mid command


Trial machining













O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

3 12


70/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

3) Move to convenient measuring position

3 12


71/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99


3 12


72/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99


T h i i h bl k d l

S i i d ff

3 12


73/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

4) Stop, measure hole, & adjust boring bar

T h i ith bl k d l t

S i ti d ff t

3 12


74/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99

5) Move back to hole location


S i ti d ff t

3 12


75/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99



S i ti d ff t

3 12


76/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99



S i ti d ff t

3 12


77/100






Mid command


Trial machining












O1000

N1 G91 G86 R0 Z-0.3

N2 G80 M09

N3 G00 Z3.0N4 X4.0 Y4.0

N5 M00

N6 G00 X-4.0 Y4.0 M03

N7 Z-3.0 M08N8 G90

N9 M99



S i ti d ff t

3 12


78/100






Mid command


Trial machining












6) Repeat until hole is on size

.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

Turn on block

delete whenhole is sized


79/100


S i ti d ff t

3 12


80/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.


S i ti d ff t

3 12


81/100






Mid command


Trial machining













.

N255 T04 M06 (2.3750 boring bar)

N260 G54 G90 S450 M03 T05

N265 G00 X4.0 Y4.0

N270 G43 H04 Z0.1 M08N275 F2.5

/N280 M98 P1000

/N285 M98 P1000

/N290 M98 P1000

/N295 M98 P1000N300 G86 R0.1 Z-1.0 F2.5

.

Techniq es ith block delete

Sa ing time and effort

3 12


82/100






Mid command


Trial machining













3 13


83/100






Mid command


Trial machining











Trial rough turning (minimize trial machining time):

Rough turning time: 18 minutes



3 13


84/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.

/N040 M00 (DIAMETER 5.50 IN)

/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


85/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


86/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


87/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


88/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


89/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500 N060 . . .



3 13


90/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500

N060 . . .



3 13


91/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500

N060 . . .


92/100



3 13


93/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500

N060 . . .

Setup person measuresand adjusts now



3 13


94/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500

N060 . . .

Offset must beinvoked again



3 13


95/100






Mid command


Trial machining













O0003

N005 T0101 M41N010 G96 S400 M03

N015 G00 X6.0 Z.1

/N020 X5.5

/N025 G01 Z-.3 F0.020

/N030 X6.0/N035 G00 X8.0 Z3.


/N045 T0101 M03

/N050 G00 X6. Z.1

N055 G71 P060 Q160 D2500

N060 . . .


96/100



3 13


97/100






Mid command


Trial machining













3 17


98/100






Mid command


Trial machining











Consider other times when block

delete can help with trial machining

Lengthy rough milling operations

Thread milling

Slot millingFace milling

Thread chasing (turning center)

Necking multiple groovesMany others!


3 17


99/100






Mid command


Trial machining






3 17


100/100






Mid command


Trial machining

Wi h d k




Documents

CNC Advanced Concepts