Electrician Training Duty L: CNC Machines and RobotsPage 1 of 9

Issued 01/00

L-08: ReferL-08: ReferL-08: ReferL-08: ReferL-08: Reference ence ence ence ence Axes/Axes/Axes/Axes/Axes/Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)

SAFETY FIRSTSAFETY FIRSTSAFETY FIRSTSAFETY FIRSTSAFETY FIRST

o Follow all Caterpillar facility safety standards when performing thistask.

o Follow all machine safety instructions when entering MDI commands.

EQUIPMENTEQUIPMENTEQUIPMENTEQUIPMENTEQUIPMENT

o machine control panel

RESOURCESRESOURCESRESOURCESRESOURCESRESOURCES

o machine manufacturer’s manual with MDI (T, M, and G codes)

Electrician Training Duty L: CNC Machines and RobotsPage 2 of 9

Issued 01/00

ReferReferReferReferReference ence ence ence ence AxesAxesAxesAxesAxes

Caution: This is a generic prCaution: This is a generic prCaution: This is a generic prCaution: This is a generic prCaution: This is a generic procedurocedurocedurocedurocedure. Refer to the operatore. Refer to the operatore. Refer to the operatore. Refer to the operatore. Refer to the operator’s manual for’s manual for’s manual for’s manual for’s manual forspecific rspecific rspecific rspecific rspecific referefereferefereferencing prencing prencing prencing prencing procedurocedurocedurocedurocedures for each machine.es for each machine.es for each machine.es for each machine.es for each machine.

1.1.1.1.1. Move all axes towarMove all axes towarMove all axes towarMove all axes towarMove all axes toward the work ard the work ard the work ard the work ard the work area.ea.ea.ea.ea.

Note: “TNote: “TNote: “TNote: “TNote: “Towarowarowarowarowards the work ards the work ards the work ards the work ards the work area” means in the negative (-) axis direa” means in the negative (-) axis direa” means in the negative (-) axis direa” means in the negative (-) axis direa” means in the negative (-) axis direction onection onection onection onection onmost machines.most machines.most machines.most machines.most machines.

o Jog or manually move the axes towards the work area.

Caution: Be carCaution: Be carCaution: Be carCaution: Be carCaution: Be careful not to wreful not to wreful not to wreful not to wreful not to wreck the machine, which could damage theeck the machine, which could damage theeck the machine, which could damage theeck the machine, which could damage theeck the machine, which could damage thespindle, tooling, or piece part.spindle, tooling, or piece part.spindle, tooling, or piece part.spindle, tooling, or piece part.spindle, tooling, or piece part.

o Monitor the control panel to determine the actual position.

2.2.2.2.2. Place the machine into the zerPlace the machine into the zerPlace the machine into the zerPlace the machine into the zerPlace the machine into the zero ro ro ro ro return (return (return (return (return (referefereferefereference) mode.ence) mode.ence) mode.ence) mode.ence) mode.

Note: Many machines automatically rNote: Many machines automatically rNote: Many machines automatically rNote: Many machines automatically rNote: Many machines automatically referefereferefereference all axes in the prence all axes in the prence all axes in the prence all axes in the prence all axes in the properoperoperoperopersequence when the Cycle Start push button (PB) is prsequence when the Cycle Start push button (PB) is prsequence when the Cycle Start push button (PB) is prsequence when the Cycle Start push button (PB) is prsequence when the Cycle Start push button (PB) is pressed.essed.essed.essed.essed.

Note: Perform step 3 if the machine does not automatically rNote: Perform step 3 if the machine does not automatically rNote: Perform step 3 if the machine does not automatically rNote: Perform step 3 if the machine does not automatically rNote: Perform step 3 if the machine does not automatically referefereferefereference.ence.ence.ence.ence.

Electrician Training Duty L: CNC Machines and RobotsPage 3 of 9

Issued 01/00

3.3.3.3.3. ZerZerZerZerZero ro ro ro ro return or return or return or return or return or referefereferefereference axis in prence axis in prence axis in prence axis in prence axis in proper sequence as shown in theoper sequence as shown in theoper sequence as shown in theoper sequence as shown in theoper sequence as shown in theOperatorOperatorOperatorOperatorOperator ’s manual.’s manual.’s manual.’s manual.’s manual.

o Check the machine screen for the required reference location.

Electrician Training Duty L: CNC Machines and RobotsPage 4 of 9

Issued 01/00

Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)Perform MDI Commands (Fanuc 15)

WWWWWarning!arning!arning!arning!arning! Syntax and data entry listed in these steps ar Syntax and data entry listed in these steps ar Syntax and data entry listed in these steps ar Syntax and data entry listed in these steps ar Syntax and data entry listed in these steps are specific to thee specific to thee specific to thee specific to thee specific to theSaginaw Machining Center and will be difSaginaw Machining Center and will be difSaginaw Machining Center and will be difSaginaw Machining Center and will be difSaginaw Machining Center and will be differferferferferent with other machines.ent with other machines.ent with other machines.ent with other machines.ent with other machines.TTTTT, G, and M codes listed in these steps ar, G, and M codes listed in these steps ar, G, and M codes listed in these steps ar, G, and M codes listed in these steps ar, G, and M codes listed in these steps are specific to the Saginawe specific to the Saginawe specific to the Saginawe specific to the Saginawe specific to the SaginawMachining Center that is prMachining Center that is prMachining Center that is prMachining Center that is prMachining Center that is programmed for the codes. Difogrammed for the codes. Difogrammed for the codes. Difogrammed for the codes. Difogrammed for the codes. Differferferferferent CNCent CNCent CNCent CNCent CNCmachines will have difmachines will have difmachines will have difmachines will have difmachines will have differferferferferent codes assigned to them. ent codes assigned to them. ent codes assigned to them. ent codes assigned to them. ent codes assigned to them. Always followAlways followAlways followAlways followAlways followthe specified machine manufacturthe specified machine manufacturthe specified machine manufacturthe specified machine manufacturthe specified machine manufacturererererer ’s codes found in the manual.’s codes found in the manual.’s codes found in the manual.’s codes found in the manual.’s codes found in the manual.FailurFailurFailurFailurFailure to enter the corre to enter the corre to enter the corre to enter the corre to enter the correct codes may rect codes may rect codes may rect codes may rect codes may result in damage to theesult in damage to theesult in damage to theesult in damage to theesult in damage to themachine or injury to personnel.machine or injury to personnel.machine or injury to personnel.machine or injury to personnel.machine or injury to personnel.

Select TSelect TSelect TSelect TSelect Tooloolooloolool

1.1.1.1.1. Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.

MDI Mode SelectedMDI Mode SelectedMDI Mode SelectedMDI Mode SelectedMDI Mode Selected

Electrician Training Duty L: CNC Machines and RobotsPage 5 of 9

Issued 01/00

2.2.2.2.2. PrPrPrPrPress the [Press the [Press the [Press the [Press the [Program] keyogram] keyogram] keyogram] keyogram] key.....

3 .3 .3 .3 .3 . Enter the desirEnter the desirEnter the desirEnter the desirEnter the desired tool numbered tool numbered tool numbered tool numbered tool number.....

Note:Note:Note:Note:Note: Refer to the machine manual for the required tool number format (i.e.,Refer to the machine manual for the required tool number format (i.e.,Refer to the machine manual for the required tool number format (i.e.,Refer to the machine manual for the required tool number format (i.e.,Refer to the machine manual for the required tool number format (i.e.,2, 4, or 6 digit number).2, 4, or 6 digit number).2, 4, or 6 digit number).2, 4, or 6 digit number).2, 4, or 6 digit number).

Electrician Training Duty L: CNC Machines and RobotsPage 6 of 9

Issued 01/00

o An example for the Saginaw Machining Center: Type T300 to selecttool 3.

4.4.4.4.4. PrPrPrPrPress the [EOB] (end of block) keyess the [EOB] (end of block) keyess the [EOB] (end of block) keyess the [EOB] (end of block) keyess the [EOB] (end of block) key.....

5 .5 .5 .5 .5 . PrPrPrPrPress the [Insert] keyess the [Insert] keyess the [Insert] keyess the [Insert] keyess the [Insert] key.....

Electrician Training Duty L: CNC Machines and RobotsPage 7 of 9

Issued 01/00

6.6.6.6.6. PrPrPrPrPress the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] key.....

o The tool changer should rotate to the selected tool.

Electrician Training Duty L: CNC Machines and RobotsPage 8 of 9

Issued 01/00

Operate SpindleOperate SpindleOperate SpindleOperate SpindleOperate Spindle

1.1.1.1.1. VVVVVerify that the chuck closed light is on.erify that the chuck closed light is on.erify that the chuck closed light is on.erify that the chuck closed light is on.erify that the chuck closed light is on.

WWWWWarning: Failurarning: Failurarning: Failurarning: Failurarning: Failure to close the chuck may cause a part to fly out and damagee to close the chuck may cause a part to fly out and damagee to close the chuck may cause a part to fly out and damagee to close the chuck may cause a part to fly out and damagee to close the chuck may cause a part to fly out and damagethe machine or injurthe machine or injurthe machine or injurthe machine or injurthe machine or injure personnel.e personnel.e personnel.e personnel.e personnel.

2.2.2.2.2. VVVVVerify that the door to the machine is closed.erify that the door to the machine is closed.erify that the door to the machine is closed.erify that the door to the machine is closed.erify that the door to the machine is closed.

3.3.3.3.3. Set the spindle range.Set the spindle range.Set the spindle range.Set the spindle range.Set the spindle range.

o Press the [Program] key.

Note:Note:Note:Note:Note: Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.

o Type M40 to set the spindle to low speed.

o Press the [EOB] key.

o Press the [Insert] key.

o Press the [Cycle Start] key.

4.4.4.4.4. Set the spindle direction and speed.Set the spindle direction and speed.Set the spindle direction and speed.Set the spindle direction and speed.Set the spindle direction and speed.

o Press the [Program] key.

Note:Note:Note:Note:Note: Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.Check the machine manual for the required M code.

o Type M03 to set the spindle direction clockwise.

Note:Note:Note:Note:Note: Check the machine manual for the required S code.Check the machine manual for the required S code.Check the machine manual for the required S code.Check the machine manual for the required S code.Check the machine manual for the required S code.

o Type S100 to set the spindle speed to 100 rpm.

o Press the [EOB] key.

o Press the [Insert] key.

o Press the [Cycle Start] key.

5.5.5.5.5. Stop the spindle and change direction.Stop the spindle and change direction.Stop the spindle and change direction.Stop the spindle and change direction.Stop the spindle and change direction.

o Type M05, press [EOB], and press insert to turn off the spindle.

o Type M04 to set the spindle direction to counterclockwise.

o Type S100 to set the speed to 100 rpm.

o Press the [EOB] key.

Electrician Training Duty L: CNC Machines and RobotsPage 9 of 9

Issued 01/00

o Press the [Insert] key.

o Press the [Cycle Start] key.

Note:Note:Note:Note:Note: The spindle should run in the opposite direction at 100 rpm.The spindle should run in the opposite direction at 100 rpm.The spindle should run in the opposite direction at 100 rpm.The spindle should run in the opposite direction at 100 rpm.The spindle should run in the opposite direction at 100 rpm.

Change Measuring UnitChange Measuring UnitChange Measuring UnitChange Measuring UnitChange Measuring Unit

1.1.1.1.1. Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.Set the mode select switch to MDI.

2.2.2.2.2. PrPrPrPrPress the [Press the [Press the [Press the [Press the [Program] keyogram] keyogram] keyogram] keyogram] key.....

3 .3 .3 .3 .3 . TTTTType G70 to change the measuring unit to inches, or type G71 toype G70 to change the measuring unit to inches, or type G71 toype G70 to change the measuring unit to inches, or type G71 toype G70 to change the measuring unit to inches, or type G71 toype G70 to change the measuring unit to inches, or type G71 tochange the measuring unit to metric.change the measuring unit to metric.change the measuring unit to metric.change the measuring unit to metric.change the measuring unit to metric.

o Check the machine manufacturer’s manual to verify the G codes forthe specific machine on which you are working.

4.4.4.4.4. PrPrPrPrPress the [EOB] keyess the [EOB] keyess the [EOB] keyess the [EOB] keyess the [EOB] key.....

5.5.5.5.5. PrPrPrPrPress the [Insert] keyess the [Insert] keyess the [Insert] keyess the [Insert] keyess the [Insert] key.....

6.6.6.6.6. PrPrPrPrPress the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] keyess the [Cycle Start] key.....

7.7.7.7.7. Check the position scrCheck the position scrCheck the position scrCheck the position scrCheck the position screen to verify that the measuring unit haseen to verify that the measuring unit haseen to verify that the measuring unit haseen to verify that the measuring unit haseen to verify that the measuring unit haschanged.changed.changed.changed.changed.

8.8.8.8.8. Set the measuring unit back to the original unit.Set the measuring unit back to the original unit.Set the measuring unit back to the original unit.Set the measuring unit back to the original unit.Set the measuring unit back to the original unit.