CNC Setup & Operation's

When using ____ positioning the coordinates of all positions will be reference from the beginning.

Absolute

Once the production performance is provided satisfactory, the machine is now ready to run in ____ mode

Automatic

The ____ flange holders have a thicker flange with an offset-center groover.

BT

A(n) ____ assembly device consists of a screw and nut assembly with steel balls in place of threads.

Ball Screw

A ____ is a tool that is mounted to turret and, when programed, can approach the remaining bar material after a part has been cut off.

Bar Puller

The ____ flange was originally developed specifically for CNC use by Caterpillar Inc.

CAT

____ consist of a straight round shank with a tapered bore.

CNC Collet Chucks

CNC programming does not use north, south, east, or west to identify distance and direction, but instead a similar system called the ____ system.

Cartesian Coordinate

____ are versatile because they can hold a broad range of diameters and can be used to grip either the OD or ID of workpieces.

Chucks

____ interpolation motion causes the cutters path to travel in an arc.

Circular

____ programming was developed to simplify the machine programming process.

Conversational

____ is the method whereby the machine control only accepts as much codes as it can process at one time,

DNC

Generically speaking, a ____ refers to running a machine with disabled functions to eliminate potential collisions.

Dry Run

A(n) ____ works by recording the amount of rotation a motor makes (in degrees).

Encoder

At the very end of each block is a semicolon (;) character is called a(n) ____ character.

End of Block

____ holders are inexpensive, rugged, simple, and capable or transmitting a lot of torque, but there are a few disadvantages.

Endmill

The ____ knob allows the programmed feed rate to be decreased, increased, or even stopped.

Feed Rate Override

Often a part has a unique shape and needs precise location along with a highly secure clamping system, for which a custom ____ can be used.

Fixture

____- code prepare a machine to engage in a particular mode for machining.

G

____ type of machines typically are of flat bed design and are fitted with a carriage where tools are installed.

Gange Tool

Once the tool measurement has been determined, the tool offset measurement are stored in the machine's ____ offset page.

Geometry

Once tool measurements have been determined, those tool offset measurements are stored in the machine's ____ offset page.

Geometry

____ Allows verification of the paths the tool will take by watching a simulated computer model cut the part on display screen.

Graphic Simulation

____ is a quick way to troubleshoot obvious programming issues, but doesn't analyze an actually machine setup or small positioning errors.

Graphic Simulation

____'s popularity is due partly to the versatility of work-holding, inherent rigidity of the machine's column, and the ability to allow gravity to help remove chips out of the machining area;

HMC

The ____ procedure is used to rezero and establish MCS location so that it may being keeping track position again.

Homing

The ____ positioning system specifies a distance from the current position to the next position instead of a location related to the origin.

Incremantal

Axis ____ buttons and small rotary handwheel allow manually controlled axis movements for machine.

Jog

Most modern CNC machines employ a high-tech modernized version of ways called ____.

Linear Guides

____ tools are small motorized spindles that enable a turning machine to perform light-duty milling and to perform hole-work such as drilling, tapping, and reaping off-center and cross-ways.

Live

____- codes are used to turn on and off miscellaneous (auxiliary) functions.

M

The ____ is used for the machine's own reference purpose and helps keep track of how far each axis can move before it runs out of travel.

MCS

The ____ is used for the machine's own reference purposes and helps it keep track of how far each axis can move before it runs out of travel.

MCS

____ mod provides a blank program screen for entering short programs or single program commands.

MDI

____ mode provides a blank program screen for entering short programs or single program commands required for machine setup.

MDI

____ vises are the most commonly used work-holding devices for milling because they are highly versatile, accurate, and simple to use.

Machine

The CNC program is created and stored in the ____.

Machine Control Unit

After the machine has been properly turned on, most machines require a reference return to the machine's origin, or the ____ position of the MCS.

Machine Home

CNC mills with an ATC are called ____.

Machining Centers

The place a traveler begins from is called the point of ____.

Origin

____ systems use two or more work-holding tooling plates that can be quickly and accurately interchanged on the machine's table.

Pallet

____ coordinates require that positions be identified by defining both an angle and a distance (like a vector in mathematics)

Polar

When using TNRC, the tool tip ____ orientation must also be entered in the geometry offset page.

Quadrant

The X- and Y- axes of the Cartesian coordinate system divides the system into four separate regions called ____.

Quadrants

____ traverse is designated by the code of G0

Rapid

____ controls slow rapid motion while a program is running or vary the jogging rate.

Rapid Overide

The ____ is gripped by a power-acuated drawbar mechanism in the machine spindle to secure the mating tapers.

Retention

A(n) ____ motor is a hybrid electric motor with half motor/ half position sensor.

Servo

____ mode allows the ability to execute only one block of the program at a time.

Single Block

Linear interpolation produces a(n) ____ line between two points.

Straight

A ____ is an auxiliary secondary spindle, which opposes the machine's main headstock spindle.

Sub-Spindle

The ____ tool changer uses a double-ended arm to change tools.

Swing-Arm-Type

Most commonly used in the horizontal spindle machines, a ____ is a tower with multiple vertical working surfaces where work-holding devices are mounted.

Tombstone

When a CNC lathe is equipped with an automatic tool changer it is called a ____.

Turning Center

Most turning centers are fitted with a circular ____ where all of the tooling is mounted.

Turret

____ tool-mounting adapters have a round shank with serrated tooth pattern.

VDI

The configuration of a modern ____ can, be compared to a standard vertical knee-type mill.

VMC

The Cartesian coordinate system that identifies the location of the origin on the workpiece is called the ____.

WCS

____ offsets are used when a size adjustment needs to be made after a given tool has been satisfactorily producing parts for a while.

Wear

____ offsets may be used to compensate and adjust for wear as the tool is used during production.

Wear

Programming code that the machine can understand is called ____ address.

Word

The distance from the MCS to the WCS is called ____ offset.

Work

When an indicator reads ____ throughout a full sweep, spindle has been aligned with the centerline of the round feature.

Zero