Haas Lathe Classic Control Panel Overview 256

+X

A jog key that moves the turret along the X axis in the positive direction.

+Z

A jog key that moves the turret along the Z axis in the positive direction.

Alarm 176

An alarm code on the Haas control that indicates the machine is experiencing an overvoltage condition. Alarm 176 initiates auto-shutdown after 4.5 minutes.

Alarm 177

An alarm code on the Haas control that indicates the machine is experiencing an overheating condition. Alarm 177 initiates auto-shutdown after 4.5 minutes.

ALARM/MESGS

The display key on the Haas control that shows the current alarms when pressed once and messages when pressed twice.

alpha keys

The area of the control keypad that allows an operator to enter letters and special characters into the control.

alpha keys

The area of the control keypad that allows an operator to enter letters and special characters into the control. Alpha keys are located in the bottom center of the control keypad.

AUTO ALL AXES

In zero return mode, the key that returns and initializes all axes to machine zero. Auto axes will home the turret and initialize all axes to machine zero without a tool change

AUTO OFF

A reset key that automatically positions axes to machine zero and prepares the machine for power down.

Auto Power OFF Timer

Setting 1. A setting that indicates how many minutes of idle time must lapse before the machine is automatically turned off.

AUX CLNT

A jog key that turns on the through-spindle coolant system when in MDI mode. Pressing this key again shuts off the system.

axis

An imaginary straight line or circle used to describe the location or movement of an object in three-dimensional space. Axes are used to indicate the direction of motion on CNC machines.

block delete

A machine control that provides the option of skipping a predetermined series of program blocks. A block delete allows the operator to run two versions of the same program.

bracket

[ ]. Punctuation marks used to separate CNC program commands from user comments.

CANCEL

A key on the Haas control that backspaces the cursor to delete the last character entered or cancels any program block that is highlighted during a block edit.

CHC

Classic Haas Control. A popular model of the Haas Automation®, Inc. CNC control. There have been several versions of the CHC since it was first released in 1988.

chip auger

A rotating shaft with a helical blade that removes chips from the machine.

chip auger

A rotating shaft with a helical blade that removes chips from the machine. Chip auger are controlled using CHP jog keys.

chip conveyor

A movable belt that helps to remove chips from the machine.

CHIP FWD

A jog key that causes the chip auger to remove chips from the machine.

CHIP REV

A jog key that causes the chip auger to rotate in the direction opposite the chip removal direction.

CHIP STOP

A jog key that causes the chip auger to stop.

CIRCULAR calculator

A machining calculator that helps an operator solve problems involving circular motion.

Classic Haas Control

CHC. A popular model of the Haas Automation®, Inc. CNC control. There have been several versions of the CHC since it was first released in 1988.

CLNT DOWN

A jog key that causes the coolant nozzle to move one position lower. Pressing CLNT DOWN incrementally lowers the coolant nozzle.

CLNT UP

A jog key that causes the coolant nozzle to move one position higher. Pressing CLNT UP incrementally raises the coolant nozzle.

CNC controls

A combination of software and hardware that directs the operation of a CNC machine. CNC controls include the control panel as well as the computerized functions that execute programs.

control keypad

The main part of the Haas control panel. The control keypad consists of nine areas of keys that allow an operator to input information into the Haas control.

coolant

A substance that is used to prevent a workpiece or tools from reaching excessively high temperatures during machining. Coolant is also called cutting fluid or metalworking fluid.

Coolant Override

Setting 32. A setting that controls how the coolant pump operates. Coolant override allows the operator to turn the coolant on and off manually.

CURNT COMDS

The display key on the Haas control that shows fifteen lines of the current program, modal program values, axis positions, and the position during runtime.

cursor keys

The group of keys in the center of the control keypad that allows an operator to move through various screens and fields in the control. Cursor keys also enable the edit and search function for CNC programs in addition to moving the cursor up, down, left, and right through the program or screen options.

CYCLE START

The button used to begin a program or continue a program previously stopped. CYCLE START is located on the left side of the NGC control panel.

CYCLE START

The control button used to begin a program or continue a program that has been previously stopped. The CYCLE START button must be pressed after each block of a program when it is run in single block mode.

diagnostics

Information that is vital to routine machine maintenance. Diagnostics check for a variety of issues in a CNC lathe.

direct numerical control

DNC. The direct control of CNC machines by a large central host computer. With direct numerical control, the program is run directly from the memory of a host computer and is not stored in the memory of the machine's own control.

display keys

The area of the control keypad that allows the operator to show different information, such as offsets, machine settings, and the current program. Display keys are located in the top center of the control keypad.

display screen

The main screen of the CNC machine that displays important information for the operator.

EDIT

An operation mode key that allows manual editing changes in a part program or the creation of a new program in memory.

EMERGENCY STOP

E-stop.The control button that automatically shuts down all machine functions. EMERGENCY STOPshould only be used if a situation is urgent or unsafe.

END

A cursor arrow key on the Classic Haas Control that moves a program quickly to its end. END moves to the bottom of most displays.

EOB

End of Block. A key on the Haas control that signals the end of a program block. EOB is represented by a semicolon on the display screen.

E-stop

Emergency stop. Used for emergencies only, the control button that automatically shuts down all machine functions.

feed

The rate at which the cutting tool moves down the length of the workpiece on a lathe. Feed is typically a linear movement.

FEED HOLD

The control button used to pause a program. FEED HOLD pauses tool feed but does not stop spindle movement.

FEEDRATE

A group of override keys on the Haas control that alters the current feed rate in increments. Together, -10 FEEDRATE, +10 FEEDRATE, and 100% FEEDRATE allow an operator to make adjustments to tool feeds.

function keys

The area of the control keypad that allows an operator to perform different functions depending on which display and mode are selected.

function keys

The area of the control keypad that allows an operator to perform different functions depending on which display and mode are selected. Function keys are located in the top left corner of the control keypad.

HAND JOG

An operation mode key that allows for manual tool movement via the handwheel or jog buttons.

HANDLE CONTROL FEEDRATE

An override key on the Haas control that allows the operator to adjust the programmed feed rate in 1% increments using the HANDLE.

HANDLE CONTROL SPINDLE

An override key on the Haas control that allows the operator to adjust spindle speed in 1% increments using the HANDLE.

HANDLE JOG

A rotating knob on the Haas control panel that moves the machine components along the axes. HANDLE JOG "clicks" in controlled, measured increments that an operator selects on the keypad.

help

Information intended to answer operator questions and solve common problems with machine function.

HELP/CALC

The display key on the Haas control that brings up an information manual when pressed once and various machining calculators when pressed twice.

HOME

A cursor arrow key on the Classic Haas Control that moves a cursor quickly to its beginning. HOME moves the cursor to the top of most displays.

home position

Machine zero. The position located at the farthest possible distance in a positive direction along the machine axes. Home position is permanently set for each particular CNC machine.

homing

The process of sending the lathe's tool turret to its machine zero position. Homing the machine moves the turret to its furthest positive point of travel in all three axes.

input buffer

A temporary location at the lower left corner of the computer screen that holds all incoming information before it continues to the CPU for processing.

Jog Handle to Single Block

Setting 104. A setting that, when activated, allows an operator to use the jog handle to single step through a program.

jog keys

The area of the control keypad that allows an operator to move the tool turret along its axes.

jog keys

The area of the control keypad that allows an operator to move the tool turret in a selected axis.

LIST PROG

An operation mode key that lists programs. LIST PROG also allows an operator to select, send, receive, and delete programs.

M codes

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.

M08

An M code that turns coolant on.

M88

An M code that turns on high pressure coolant.

machine zero

home position. The position located at the farthest possible distance in a positive direction along the machine axes. This position is permanently set for each particular CNC machine.

machine zero

The position located at the farthest possible distance in a positive direction along the machine axes. Machine zero is permanently set for each particular CNC machine.

macro statements

A customized programming shortcut created by a programmer. Macro statement CHC programming can assign a value to a variable or read a value from a variable or conditionally repeat some section of CNC program.

Manual Data Input

MDI. An operation mode that allows an operator to manually enter and execute blocks of programming code at the control panel.

MDI/DNC

An operation mode key that lets an operator enter and execute program data. Pressing MDI/DNC once allows for data entry and execution without disturbing stored data, while pressing twice executes programs from a centrally located computer storage device.

MEM

An operation mode key that runs part programs from the control's memory.

Next Generation Control

NGC. The latest Haas Automation®, Inc. CNC control. The Next Generation Control was released in 2016.

NEXT TOOL

A function key that indexes the turret for the next tool during a part setup.

numeric keys

The area of the control keypad that allows an operator to enter numbers and special characters into the control.

numeric keys

The area of the control keypad that allows an operator to enter numbers and special characters into the control. Numeric keys are located in the bottom right corner of the control keypad.

offsets

A numerical value stored in the CNC control that repositions machine components. Offsets are used to adjust for variations in tool geometry, part size, tool wear, and other variables.

OFSET

The display key on the Haas control that shows the various programmed offsets.

operation mode keys

The area of the control keypad that allows an operator to choose a particular operating mode, which in turn indicates what tasks the machine will perform.

ORIGIN

mode key that resets or clears a selected value. Pressing ORIGIN resets highlighted values, such as an axis location, to zero.

override keys

The area of the control keypad that allows an operator to adjust a programmed speed or feed rate by a certain percentage during operation.

overrides

A control that adjusts a programmed element of part machining during execution of the part program. Overrides can control speed, feed, rapid, and coolant flow.

PAGE DOWN

A cursor arrow key on the Classic Haas Control that changes displays or moves down one program page in the editor.

PAGE UP

A cursor arrow key on the Classic Haas Control that moves up one page in the displays or one program page in the editor.

PARAM/DGNOS

The display key on the Haas control that shows machine parameters when pressed once and diagnostics when pressed twice.

parameters

The limits or physical properties that determine function and operation of a CNC machine.

parentheses

( ). Curved brackets used to separate program text information from CNC program commands.

part program

A series of alphanumeric instructions that guides the movements of a CNC machine. A part program directs a CNC machine to perform the necessary sequence of operations to machine a specific workpiece.

POSIT

The display key on the Haas control that brings up different pages listing machine axis positions of the turret.

power down

The act of turning off the machine.

power down

The act of turning off the machine. Power down in the Haas CHC lathe can occur in multiple ways.

POWER OFF

The red button on the upper left of the Haas control panel that shuts off power to the machine.

Power OFF At M30

Setting 2. A setting that powers down a machine when the program reaches an M30 code.

POWER ON

The green button on the upper left of the Haas control panel that provides power to the machine.

power up

The act of turning on the machine.

POWER UP/RESTART

A reset key that automatically initializes the machine at power up. After power up, POWER UP/RESTART can be used to reinitialize the system.

PRGRM/CONVRS

The display key on the Haas control that causes program blocks of the current selected part program to display on the control panel screen.

program blocks

A single line of a part program. Program blocks are shown on the Classic Haas Control (CHC) lathe by pressing the PRGRM/CONVRS key once.

rapid

A group of override keys that alters rapid traverses of the current rate. Together, 5% RAPID, 25% RAPID, 50% RAPID, and 100% RAPID allow an operator to make adjustments to rapid rates during operation.

rapid

Moving machine components at the fastest possible rate of travel. Rapid rates can be adjusted at various levels using overrides.

rapid traverse motion

The movement of machine components at the fastest possible rate of travel. Programming rapid traverse motion only requires an endpoint for the movement.

removable media

A storage device that can be easily inserted into or removed from a computer system. Removable media includes compact discs, flash drives, and memory cards.

RESET

A key that stops all machine motion and places the program cursor at the top of the current program.

reset keys

The area of the control keypad that executes functions vital to the beginning and end of a machining operation.

reset keys

The area of the control keypad that executes functions vital to the beginning and end of a machining operation. The reset keys are located in the upper left corner of the control keypad.

SETNG/GRAPH

The display key on the Haas control that lists settings when pressed once and presents dry run information when pressed twice. Settings change the way the lathe behaves.

Setting 1

Auto Power Off Timer. A setting that indicates how many minutes of idle time must lapse before the machine is automatically turned off.

Setting 104

Jog handle to single block. A setting that, when activated, allows an operator to use the jog handle to single-step through a program.

Setting 2

Power Off at M30. A setting on the Haas control that powers down a machine when the program reaches an M30 code.

Setting 32

Coolant Override. A setting that controls how the coolant pump operates. Setting 32 Coolant override allows the operator to turn the coolant on and off manually.

Setting 55

A setting that activates or deactivates direct numerical control capability.

Setting 81

Tool at Power Down. A setting that indicates which tool will occupy the first turret position when the machine is powered down.

settings

A CNC machine control function that an operator can activate, deactivate, or change to suit specific machining conditions. Settings change the way the CHC lathe behaves.

SPACE

A numeric key on the control keypad. Pressing SPACE adds a space between characters.

speed

The rate at which the cutting edge of a tool moves past the workpiece surface at the point of contact. Speed must be carefully selected in order to ensure a good cut.

spindle

A group of override keys on the Haas control that alters the current spindle speed in 10% increments. Together, -10 SPINDLE, +10 SPINDLE, and 100% SPINDLE allow an operator to make adjustments to the spindle speeds.

STOP

An override key on the Haas CHC that discontinues an operation. The STOP key is used to turn off spindle rotation.

tailstock

The device at the end of a lathe that supports the end of longer workpieces.

Through-spindle coolant system

A system on the Haas mill that is activated by the AUX CLNT button when in MDI mode. Through-spindle coolant extends tool life.

Tool at Power

Setting 81. A setting that indicates which tool will occupy the first turret position when the machine is powered down.

tool length offsets

An offset that accounts for variations in tool length along the X axis. Each tool requires its own offset.

TRIG calculator

A machining calculator that helps an operator make calculations involving the measurements and relationships of a triangle and its parts.

TS left arrow

A jog key that feeds the tailstock to the left at the currently selected feed rate.

TS RAPID

A jog key that, when pressed simultaneously with TS left or TS right, moves the tailstock in that direction at the maximum rate of travel.

TS right arrow

A jog key that feeds the tailstock to the right at the currently selected feed rate.

TURNING/TAPPING calculator

A machining calculator that helps an operator calculate any of a number of variables, including part diameter, surface speed, revolutions per minute, number of flutes, feed, chip load, and threads.

WRITE/ENTER

A key on the Haas control that acts as a general enter key. WRITE/ENTER also acts as an insert key during editing.

-X

A jog key that moves the turret along the X axis in the negative direction.

X DIA MESUR

A function key that is used to record X axis tool length offsets in the offset page during part setup.

X/Z

A function key that is used to toggle between the X axis and the Z axis jog mode during setup.

-Z

A jog key that moves the turret along the Z axis in the negative direction.

Z FACE MESUR

A function key that is used to record Z-axis tool length offsets in the offset page during part setup.

ZERO RET

An operation mode key that searches for machine zero or rapid returns to machine zero automatically.