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Fanuc Mill: First Part Runs 320

This class describes how to verify the accuracy of a program and make minor editing changes on the Fanuc 0-C mill control.

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Class Details

Class Name:
Fanuc Mill: First Part Runs 320
Difficulty:
Advanced
Number of Lessons:
13
Additional Language:
Spanish

Class Outline

  • Objectives
  • Part Program Errors
  • Proving Out a Program
  • Prove-Out Methods
  • Verifying Program Code: Graphics Display
  • Machine Lock and Auxiliary Function Lock
  • Dry Run Operation
  • Emergency Procedures
  • Single Blocking
  • Locating Areas of a Program
  • Program Changes
  • Background Edit
  • Summary

Objectives

  • Identify the types of part program errors.
  • Describe situations that are most appropriate for proving out.
  • Identify prove out methods available on the Fanuc 0-C mill control.
  • Explain how to use the Fanuc 0-C mill control to prove out a program with the graphics display.
  • Describe machine lock and auxiliary function lock.
  • Explain how to use the Fanuc 0-C mill control to prove out a program with DRY RUN.
  • Identify emergency procedures used when proving out a part program.
  • Explain how to use the Fanuc 0-C mill control to prove out a part program using single blocking.
  • Describe how to locate an area of a part program.
  • Describe how to edit a program.
  • Describe background editing on the Fanuc 0-C mill control.

Job Roles

Certifications

Glossary

Vocabulary Term Definition
[BG-EDIT] A soft key on the Fanuc 0-C mill control that enables background editing.
[GRAPH] A soft key that activates the graphics display.
AUX/GRAPH A function key located on the MDI keypad that displays the graphics parameter screen and a soft key link to the graphics display.
auxiliary function lock A CNC mill feature that disables M, S, and T codes for the purpose of checking a part program.
background editing A feature of the Fanuc 0-C mill control that allows an operator to edit a program in memory while another program is being run.
CAD/CAM Computer-aided design/computer-aided manufacturing. CAD/CAM is the use of software to aid in the design and manufacturing of a part.
CYCLE STOP The control button used to pause a program. Also known as feed hold, cycle stop pauses tool feed but does not stop spindle movement.
DISTANCE TO GO The distance the tool has yet to move in the current program block.
dry run A trial run of the part program without any parts or cutting fluid.
dry running A prove-out method that executes a part program without any parts or cutting fluid.
EMERGENCY STOP Used for emergencies only, the EMERGENCY STOP button immediately shuts down all machine functions.
FEED HOLD The control button used to pause a program. Also known as cycle stop, feed hold pauses tool feed but does not stop spindle movement.
feed rate override A control that adjusts the programmed feed rate by a designated percentage during operation.
first part run The first successful execution of a part program that produces the first good part.
foreground editing The normal process of editing a part program that is the active program on the Fanuc 0-C mill control.
graphics display A function of the Fanuc control that allows an operator to visually dry run a part program without moving the axes and risking tool damage. This prove-out method is accessed by pressing the AUX/GRAPH key.
illegal character A part programming character that does not conform to the syntax, or programming format, of a CNC control. The control is not able to read or execute an illegal character.
legitimate character A part program character that conforms to the syntax, or programming format, of a CNC control.
logical error A part program mistake that occurs when an unintended legitimate character or value appears in a part program in place of the intended character or value.
M code A code used to signal an action from a miscellaneous group of commands. M codes change cutting tools, turn on or turn off the coolant, spindle, or workpiece clamps, etc.
machine lock A CNC mill feature that displays the change in tool position on the position display without moving the tool. Machine lock is a basic way to check a part program for errors.
program error A part program mistake that either disrupts the machining process or renders a part program useless.
proving out Performing a series of steps to verify the accuracy of a part program. Operators use graphic displays, dry runs, and single blocking to check a program for errors.
rapid traverse override A control that adjusts the rate of rapid traverse by a designated percentage during operation.
S code A program code that determines the speed during a cutting operation.
setup Time that is spent setting up the fixtures and tooling, calculating tool offsets, and performing all the necessary tasks to produce the first accurate part.
SINGL BLOCK A key that activates the single block feature for the mill. The single block function runs the program one block at a time to prove out the program.
single blocking A prove-out method that executes a part program one block at a time at reduced feeds.
syntax The programming format of a CNC control.
syntax error A part program mistake that occurs when an illegal character appears in a program.
T code A program code used to indicate the specific tool for a tool change.
tolerance An unwanted but acceptable deviation from a given dimension. Tolerances indicate the allowable difference between a physical feature and its intended design.
word Any area of a part program consisting of the pairing of an address letter and a numerical value.
work harden To increase the hardness of a workpiece exterior due to temperature and pressure at the point of contact.