Glossary

Vendor Term Alignment

Compare equivalent terms across FANUC, SINUMERIK, and generic ISO concepts.

6 groups · 4 fully aligned

Browse by Category

Machining Parameters 31

Feed, speed, load, and removal behavior.
Tooling & Holders 30

Cutting tools, holders, and tool condition.
Machine & Axes 30

Machine structures, axes, and motion hardware.
Coordinates & Offsets 30

Coordinate systems, origins, and offset logic.
Program & G/M Codes 30

Program structure and key G/M command behaviors.
Process, Cycles & Toolpath 30

Machining methods, canned cycles, and paths.
Workholding & Workpiece 30

Fixtures, clamping, datums, and workpiece setup.
Quality, Tolerance & Surface 30

Tolerance, fit, roughness, and quality checks.
Measurement & Compensation 30

Probing, tool setting, calibration, and compensation.
Fault, Safety & Diagnostics 30

Alarm handling, safety loops, and troubleshooting.

All Terms

Machine & Axes

A Axis

Rotary axis that rotates around the X-axis.

 Coordinates & Offsets

Absolute Programming

Coordinate values are entered relative to the zero point.

 Program & G/M Codes

Absolute Programming (G90)

Coordinate values are referenced to the zero point.

 Machining Parameters

Acceleration

Rate of change of axis velocity.

 Fault, Safety & Diagnostics

Air Pressure Alarm

Alarm for abnormal pneumatic supply pressure.

 Fault, Safety & Diagnostics

Alarm

State in which the system detects and reports an abnormal condition.

 Fault, Safety & Diagnostics

Alarm Code

Code number used to identify fault category.

 Fault, Safety & Diagnostics

Alarm History

Log of past alarm information.

 Quality, Tolerance & Surface

Angular Tolerance

Permissible deviation of angular dimensions.

 Machine & Axes

Automatic Pallet Changer (APC)

Device that automatically changes workpiece pallets.

 Machine & Axes

Automatic Tool Changer (ATC)

Device that automatically changes tools.

 Machining Parameters

Axial Engagement

Amount of axial tool engagement into the workpiece (often equivalent to depth of cut).

 Fault, Safety & Diagnostics

Axis Alarm

Alarm for axis motion-related abnormalities.

 Machine & Axes

B Axis

Rotary axis that rotates around the Y-axis.

 Measurement & Compensation

Backlash Compensation

Compensation for error caused by transmission backlash.

 Tooling & Holders

Ball End Mill

Tool with a spherical tip, suitable for surface machining.

 Machine & Axes

Ball Screw

Transmission component converting rotary motion to linear motion.

 Workholding & Workpiece

Blank

Raw material form before machining.

 Process, Cycles & Toolpath

Blind Hole

Hole that does not pass through the workpiece.

 Process, Cycles & Toolpath

Boring

Precision enlarging and correcting of holes.

 Tooling & Holders

Boring Tool

Tool used for enlarging or finishing holes.

 Tooling & Holders

BT Toolholder

Common taper shank standard with high compatibility.

 Tooling & Holders

Bull Nose End Mill

Tool with a rounded tip for strength and surface quality.

 Machine & Axes

C Axis

Rotary axis that rotates around the Z-axis.

 Measurement & Compensation

Calibration

Adjustment to keep measurement or equipment accurate.

 Measurement & Compensation

Caliper

Common length measuring tool.

 Tooling & Holders

CAPTO Toolholder

Modular coupling toolholder system.

 Tooling & Holders

Carbide Tool

Tool made of cemented carbide.

 Workholding & Workpiece

Center

Center device used to support the end of a workpiece.

 Tooling & Holders

Center Drill

Short drill used for hole spotting and centering.

 Process, Cycles & Toolpath

Chamfering

Removing sharp edges to form a bevel.

 Measurement & Compensation

Characterization

Process of establishing measurement references or parameters.

 Machine & Axes

Chip Conveyor

Device that automatically transports chips.

 Machining Parameters

Chip Thickness

Chip thickness in the cutting direction.

 Machining Parameters

Chip Width

Chip dimension in the width-of-cut direction.

 Workholding & Workpiece

Chuck

Rotating clamping device for holding workpieces.

 Program & G/M Codes

Circular Interpolation (G02/G03)

Moves along an arc path.

 Quality, Tolerance & Surface

Circular Runout

Runout deviation of a single cross-section during rotation.

 Workholding & Workpiece

Clamp Plate

Fixture element that fixes a workpiece by pressing.

 Workholding & Workpiece

Clamping

Action of fixing a workpiece on the machine.

 Workholding & Workpiece

Clamping Force

Force required to hold the workpiece.

 Workholding & Workpiece

Clamping Mechanism

Mechanism assembly that performs clamping action.

 Quality, Tolerance & Surface

Clearance Fit

Fit where hole size is larger than shaft size.

 Machine & Axes

CNC Controller

Core of the CNC system that interprets and executes programs.

 Tooling & Holders

Coated Tool

Tool with wear-resistant coating on its surface for longer life.

 Quality, Tolerance & Surface

Coaxiality

Deviation in concentricity between two axes.

 Fault, Safety & Diagnostics

Collision

Unintended contact among tool, workpiece, or fixture.

 Machine & Axes

Column

Vertical structural member supporting spindle or slide assemblies.

 Coordinates & Offsets

Composite Coordinate System

Coordinate system composed of multiple transformations.

 Program & G/M Codes

Conditional Statement (IF)

Executes different paths based on conditions.

 Machining Parameters

Constant RPM

Spindle control mode that maintains fixed rotational speed.

 Machining Parameters

Constant Surface Speed (CSS)

Spindle control mode that maintains constant surface speed.

 Process, Cycles & Toolpath

Contour Machining

Machining along the part contour.

 Fault, Safety & Diagnostics

Coolant Alarm

Alarm for cooling system abnormalities.

 Program & G/M Codes

Coolant Off (M09)

Turns off coolant.

 Program & G/M Codes

Coolant On (M08)

Turns on coolant.

 Machine & Axes

Cooling System

System that supplies coolant to reduce cutting temperature.

 Measurement & Compensation

Coordinate Measuring Machine (CMM)

High-precision spatial measuring equipment (CMM).

 Coordinates & Offsets

Coordinate Mirroring

Applies mirror transformation to the coordinate system.

 Coordinates & Offsets

Coordinate Rotation (G68)

Applies rotational transformation to the coordinate system.

 Coordinates & Offsets

Coordinate Scaling (G51)

Applies proportional scaling to the coordinate system.

 Coordinates & Offsets

Coordinate System Setup

Process of defining work coordinate system position.

 Process, Cycles & Toolpath

Corner Rounding

Machining sharp corners into radiused corners.

 Process, Cycles & Toolpath

Counterboring

Machining a counterbore to accommodate screw heads.

 Process, Cycles & Toolpath

Countersinking

Machining a conical or stepped hole entrance.

 Program & G/M Codes

Cutter Comp Left (G41)

Compensates tool to the left of the toolpath.

 Program & G/M Codes

Cutter Comp Right (G42)

Compensates tool to the right of the toolpath.

 Program & G/M Codes

Cutter Compensation Cancel (G40)

Cancels tool radius compensation.

 Coordinates & Offsets

Cutter Compensation Direction

Selection of left or right compensation direction.

 Machining Parameters

Cutting Force

Resultant force acting on the tool during cutting.

 Machining Parameters

Cutting Power

Power required to perform cutting.

 Machining Parameters

Cutting Ratio

Ratio of chip thickness to uncut chip thickness.

 Machining Parameters

Cutting Speed

Surface speed at the contact point between tool edge and workpiece.

 Machining Parameters

Cutting Temperature

Temperature generated in the cutting zone.

 Quality, Tolerance & Surface

Cylindricity

Overall deviation of a cylindrical surface.

 Quality, Tolerance & Surface

Datum

Reference feature used for inspection or machining.

 Coordinates & Offsets

Datum Axis

Axis used as a datum.

 Coordinates & Offsets

Datum Hole

Hole feature used as a datum.

 Measurement & Compensation

Datum Measurement

Dimensional measurement based on datums.

 Coordinates & Offsets

Datum Plane

Plane used as a datum.

 Process, Cycles & Toolpath

Deburring

Removal of burrs left after machining.

 Process, Cycles & Toolpath

Deep Hole Cycle (G83)

Deep-hole drilling cycle with pecking chip evacuation.

 Process, Cycles & Toolpath

Deep Hole Drilling

Segmented drilling with chip evacuation for deep holes.

 Machining Parameters

Depth of Cut (ap)

Axial depth of cut.

 Measurement & Compensation

Dial Indicator

Pointer-type displacement measuring instrument.

 Quality, Tolerance & Surface

Dimensional Tolerance

Permissible deviation for a nominal dimension.

 Workholding & Workpiece

Dowel Pin

Pin used for precise positioning.

 Coordinates & Offsets

Drawing Datum

Datum specified on the part drawing.

 Tooling & Holders

Drill Bit

Tool used for drilling holes.

 Process, Cycles & Toolpath

Drilling

Machining round holes with a drill bit.

 Process, Cycles & Toolpath

Drilling Cycle (G81)

Common standard fixed drilling cycle.

 Program & G/M Codes

Dwell (G04)

Programmed time delay or pause.

 Fault, Safety & Diagnostics

Emergency Stop

Safety function that immediately stops the machine.

 Machine & Axes

Encoder

Sensor used for position and speed feedback.

 Fault, Safety & Diagnostics

Encoder Fault

Abnormality in the position feedback device.

 Tooling & Holders

End Mill

General-purpose cutter for face and side milling.

 Tooling & Holders

ER Collet

Common spring collet size series.

 Coordinates & Offsets

Extended Coordinate System (G54.1)

Additional work coordinate offset groups.

 Tooling & Holders

External Coolant Tool

Coolant is sprayed from outside the tool.

 Tooling & Holders

Face Mill

Milling cutter used for large-area planar machining.

 Process, Cycles & Toolpath

Face Milling

Milling operation on flat surfaces.

 Machine & Axes

FANUC 0i

A common FANUC CNC control series.

 Machine & Axes

FANUC 30i

A high-end FANUC CNC control series.

 Process, Cycles & Toolpath

FANUC G71 Rough Turning Cycle

Common FANUC rough turning cycle.

 Program & G/M Codes

FANUC Macro B

FANUC macro programming extension feature.

 Fault, Safety & Diagnostics

Fault Diagnosis

Process of analyzing and locating faults.

 Fault, Safety & Diagnostics

Feed Hold (Fault Response)

Pauses feed to handle abnormal conditions.

 Machining Parameters

Feed Hold (Spindle On)

State that pauses feed while spindle rotation is maintained.

 Machining Parameters

Feed per Revolution

Feed distance per spindle revolution.

 Machining Parameters

Feed per Tooth

Advance distance per tooth per revolution.

 Machining Parameters

Feed Rate

The speed at which a cutting tool advances along the workpiece in CNC machining, typically measured in mm/min (millimeters per minute) or IPM (inches per minute).

 Machining Parameters

Feedrate Override

Proportional adjustment of current feedrate.

 Process, Cycles & Toolpath

Finish Machining

Stage using light cuts to achieve final size and surface quality.

 Machining Parameters

Finishing Allowance

Material thickness reserved for final finishing.

 Quality, Tolerance & Surface

Fit

General term for hole-shaft fit relationships.

 Workholding & Workpiece

Fixture

Device used to locate and clamp workpieces.

 Workholding & Workpiece

Fixture Body

Main structural component of a fixture.

 Coordinates & Offsets

Fixture Offset

Offset of fixture position relative to the machine tool.

 Quality, Tolerance & Surface

Flatness

Deviation of a surface from an ideal plane.

 Workholding & Workpiece

Four-Jaw Chuck

Chuck with independent four-jaw clamping.

 Program & G/M Codes

G-Code

The most widely used programming language for CNC machines. G-code commands control machine movements, spindle operations, coolant, and other functions through standardized alphanumeric codes.

 Measurement & Compensation

Gauge Block

Standard length reference block.

 Quality, Tolerance & Surface

Geometric Tolerance

Control of allowable shape and position deviations.

 Machine & Axes

Guard Cover

Protective structure that prevents chip and coolant splash.

 Fault, Safety & Diagnostics

Handwheel (JOG)

Manual mode for controlling axis movement.

 Workholding & Workpiece

Hard Jaw

Hardened standard chuck jaw; wear-resistant but less adaptable.

 Measurement & Compensation

Height Gauge

Instrument for height measurement and layout marking.

 Tooling & Holders

High-Speed Steel Tool

General-purpose tool made of high-speed steel.

 Machine & Axes

HMI

Human-machine interface for operating and monitoring machine tools.

 Process, Cycles & Toolpath

Hole Enlarging

Increasing the diameter of an existing hole.

 Fault, Safety & Diagnostics

Home Return Failure

Failure to complete the return-to-home process.

 Tooling & Holders

HSK Toolholder

Hollow shank taper suited for high-speed, high-rigidity machining.

 Coordinates & Offsets

Incremental Programming

Coordinate values are entered relative to the current position.

 Program & G/M Codes

Incremental Programming (G91)

Coordinate values are referenced from the current position.

 Tooling & Holders

Indexable Tool

Tool that reuses the tool body by changing inserts.

 Tooling & Holders

Insert

Replaceable cutting insert.

 Quality, Tolerance & Surface

Inspection

Measuring and evaluating dimensions and quality.

 Quality, Tolerance & Surface

Interference Fit

Fit where hole size is smaller than shaft size.

 Workholding & Workpiece

Jaw

Clamping jaw used by a chuck or fixture.

 Machining Parameters

Jerk

Rate of change of acceleration (affects motion smoothness).

 Measurement & Compensation

Laser Tool Setter

Device that measures tools using a laser.

 Machine & Axes

Linear Guideway

High-precision guide rail for linear motion.

 Program & G/M Codes

Linear Interpolation (G01)

Moves linearly at the commanded feedrate.

 Coordinates & Offsets

Local Coordinate Offset (G52)

Temporary coordinate system offset setting.

 Fault, Safety & Diagnostics

Lubrication Alarm

Alarm for lubrication system abnormalities.

 Program & G/M Codes

M Code

Instruction set used for auxiliary function control.

 Machine & Axes

Machine Bed

Base structural component supporting machine assemblies.

 Coordinates & Offsets

Machine Coordinate Measurement

Measuring positions in the machine coordinate system.

 Coordinates & Offsets

Machine Coordinate System

Coordinate system referenced to machine zero.

 Coordinates & Offsets

Machine Datum

Design or measurement datum of the machine.

 Fault, Safety & Diagnostics

Machine Lock

State that prevents the machine from executing movements.

 Coordinates & Offsets

Machine Zero Point

Inherent reference origin of the machine.

 Coordinates & Offsets

Machine-Workpiece Coordinate Alignment

Aligns machine and workpiece coordinate systems.

 Program & G/M Codes

Macro Program

Advanced program containing variables and logic.

 Workholding & Workpiece

Magnetic Fixture

Fixture that holds workpieces by magnetic force.

 Program & G/M Codes

Main Program

Program that controls the complete machining process.

 Machining Parameters

Material Removal Rate

Volume of material removed per unit time.

 Machine & Axes

MDI

Manual Data Input mode for temporary commands.

 Measurement & Compensation

Measurement Coordinate Alignment

Aligns measurement coordinates with machining coordinates.

 Measurement & Compensation

Measurement Uncertainty

Evaluation of the confidence range of measurement results.

 Measurement & Compensation

Measuring Instrument

General term for various measuring instruments.

 Measurement & Compensation

Micrometer

High-precision length measuring tool.

 Measurement & Compensation

Off-Machine Measurement

Measurement performed outside the machine.

 Measurement & Compensation

On-Machine Measurement

Measurement performed on the machine tool.

 Fault, Safety & Diagnostics

Overheating

State where temperature exceeds the safety threshold.

 Fault, Safety & Diagnostics

Overload

Drive or spindle load exceeds limit.

 Fault, Safety & Diagnostics

Overtravel

Axis movement exceeds allowable range.

 Workholding & Workpiece

Pallet

Exchangeable platform that carries the workpiece.

 Workholding & Workpiece

Pallet Change

Operation of exchanging pallets on the machine.

 Quality, Tolerance & Surface

Parallelism

Deviation from parallelism to a datum.

 Quality, Tolerance & Surface

Perpendicularity

Deviation from perpendicularity to a datum.

 Measurement & Compensation

Pitch Error Compensation

Compensation for leadscrew pitch error.

 Process, Cycles & Toolpath

Pocket Milling

Machining cavities inside closed areas.

 Measurement & Compensation

Position Compensation

Compensation used to correct positioning error.

 Quality, Tolerance & Surface

Position Tolerance

Deviation of a feature position relative to a datum.

 Workholding & Workpiece

Positioning

Determining the workpiece position on the machine.

 Fault, Safety & Diagnostics

Power Supply Fault

Power failure or abnormal voltage.

 Quality, Tolerance & Surface

Profile Tolerance

Deviation of a line or surface profile.

 Program & G/M Codes

Program Block (Block)

Execution unit composed of one line of code.

 Program & G/M Codes

Program End (M30)

Ends the program and resets.

 Program & G/M Codes

Program Number (O)

Number used to identify a program.

 Program & G/M Codes

Program Stop (M00/M01)

Program interruption or optional stop.

 Coordinates & Offsets

Program Zero Point

Origin position used in the program.

 Quality, Tolerance & Surface

Quality Control

Management activities ensuring stable product quality.

 Workholding & Workpiece

Quick-Change Fixture

Fixture system designed for fast replacement.

 Tooling & Holders

Quick-Change Toolholder

Toolholder system for rapid tool change.

 Quality, Tolerance & Surface

Ra

Arithmetic average roughness parameter.

 Machining Parameters

Radial Engagement

Amount of radial tool engagement into the workpiece (often equivalent to width of cut).

 Program & G/M Codes

Rapid Positioning (G00)

Moves to target position at rapid speed.

 Machining Parameters

Rapid Traverse Rate

Axis movement speed during rapid traverse.

 Tooling & Holders

Reamer

Tool for finishing hole diameter and hole quality.

 Process, Cycles & Toolpath

Reaming

Finishing operation for hole diameter and surface quality.

 Coordinates & Offsets

Reference Point

Fixed position used when homing to establish coordinates.

 Fault, Safety & Diagnostics

Reference Point Lost

Loss of coordinate reference point information.

 Measurement & Compensation

Repeatability

Accuracy of repeatedly returning to the same position.

 Fault, Safety & Diagnostics

Reset

Clears alarms and returns to standby state.

 Quality, Tolerance & Surface

Rework

Corrective machining performed on nonconforming parts.

 Process, Cycles & Toolpath

Rough Machining

Stage that removes material with large cutting parameters.

 Machining Parameters

Roughing Allowance

Material allowance reserved during rough machining.

 Quality, Tolerance & Surface

Roundness

Circularity deviation of a circular cross-section.

 Quality, Tolerance & Surface

Rz

Maximum roughness height parameter.

 Machine & Axes

Saddle

Component that supports the table and moves along guideways.

 Process, Cycles & Toolpath

Safe Height

Safe plane height for rapid tool movement.

 Fault, Safety & Diagnostics

Safety Circuit

Electrical circuit that ensures safety.

 Fault, Safety & Diagnostics

Safety Door

Machine guard door and its safety interlock switch.

 Fault, Safety & Diagnostics

Safety Interlock

Interlock mechanism that prevents dangerous actions.

 Fault, Safety & Diagnostics

Self-Diagnosis

System self-check of its own status.

 Process, Cycles & Toolpath

Semi-Finishing

Stage between roughing and finishing.

 Program & G/M Codes

Sequence Number (N)

Sequence identifier for a program block.

 Fault, Safety & Diagnostics

Servo Alarm

Alarm for servo system abnormalities.

 Machine & Axes

Servo Drive

Drive unit that controls servo motor motion.

 Machine & Axes

Servo Motor

Motor used for precise axis motion control.

 Process, Cycles & Toolpath

Side Milling

Milling on side walls or vertical faces.

 Fault, Safety & Diagnostics

Single Block

Mode that executes the program block by block.

 Machine & Axes

SINUMERIK 828D

Siemens mid-range CNC control series.

 Machine & Axes

SINUMERIK 840D sl

Siemens high-end CNC control series.

 Process, Cycles & Toolpath

SINUMERIK CYCLE800

Siemens five-axis orientation transformation cycle.

 Process, Cycles & Toolpath

SINUMERIK CYCLE832

Siemens high-precision/high-speed machining cycle.

 Program & G/M Codes

SINUMERIK ShopMill

Siemens conversational milling programming environment.

 Program & G/M Codes

SINUMERIK ShopTurn

Siemens conversational turning programming environment.

 Tooling & Holders

Slab Mill

Disc-shaped cutter commonly used for slots and shoulder machining.

 Tooling & Holders

Slitting Saw

Thin disc cutter used for slotting and cut-off operations.

 Process, Cycles & Toolpath

Slotting

Machining narrow slots or steps.

 Workholding & Workpiece

Soft Jaw

Jaw that can be machined to fit the workpiece.

 Machine & Axes

Spindle

Shaft system that drives tool or workpiece rotation.

 Fault, Safety & Diagnostics

Spindle Alarm

Alarm for spindle system abnormalities.

 Program & G/M Codes

Spindle Forward (M03)

Starts spindle rotation in the forward direction.

 Machining Parameters

Spindle Override

Proportional adjustment of current spindle speed.

 Machining Parameters

Spindle Speed

The rotational speed of the machine spindle, measured in RPM (revolutions per minute). It determines how fast the cutting tool or workpiece rotates during machining.

 Program & G/M Codes

Spindle Stop (M05)

Stops spindle rotation.

 Machining Parameters

Spindle Torque

Magnitude of spindle output torque.

 Tooling & Holders

Spring Collet

Collet that clamps tools through elastic deformation.

 Machining Parameters

Stock Allowance

Amount of material reserved for subsequent machining.

 Quality, Tolerance & Surface

Straightness

Straight-line deviation of a linear feature.

 Machine & Axes

Sub-Spindle

Spindle used for secondary or opposed-side machining.

 Program & G/M Codes

Subprogram

Program segment that can be repeatedly called by the main program.

 Program & G/M Codes

Subprogram Call (M98)

Command to call a specified subprogram.

 Program & G/M Codes

Subprogram Return (M99)

Ends a subprogram and returns to the main program.

 Quality, Tolerance & Surface

Surface Quality

Comprehensive indicator describing surface condition.

 Quality, Tolerance & Surface

Surface Roughness

Measure of microscopic surface irregularity.

 Machining Parameters

Surface Speed

Linear speed at the contact point in circular motion.

 Quality, Tolerance & Surface

Surface Texture

Pattern left on the surface after machining.

 Machine & Axes

Table

Support platform that carries the workpiece and moves with machine axes.

 Workholding & Workpiece

Tailstock

Component on a lathe used to support the workpiece.

 Tooling & Holders

Tap

Tool used to machine internal threads.

 Process, Cycles & Toolpath

Tapping

Machining internal threads in a hole.

 Measurement & Compensation

Thermal Error Compensation

Compensation for errors caused by temperature rise.

 Tooling & Holders

Thread Mill

Tool for milling threads.

 Process, Cycles & Toolpath

Thread Milling

Machining threads by milling.

 Workholding & Workpiece

Three-Jaw Chuck

Chuck with synchronized three-jaw clamping.

 Process, Cycles & Toolpath

Through Hole

Hole that passes through the workpiece.

 Tooling & Holders

Through-Coolant Tool

Tool that delivers coolant through internal channels.

 Quality, Tolerance & Surface

Tolerance

Permissible range of dimensional deviation.

 Quality, Tolerance & Surface

Tolerance Stack-Up

Dimensional relationship formed by multiple chained dimensions.

 Tooling & Holders

Tool Bar

Support component connecting insert and toolholder.

 Fault, Safety & Diagnostics

Tool Breakage

Tool breaks during machining.

 Fault, Safety & Diagnostics

Tool Chipping

Localized breakage on the tool cutting edge.

 Measurement & Compensation

Tool Diameter Measurement

Measurement of tool diameter for compensation.

 Process, Cycles & Toolpath

Tool Entry

Path and method for tool engagement into cutting.

 Coordinates & Offsets

Tool Length Compensation (H)

Corrects differences in tool length.

 Measurement & Compensation

Tool Length Measurement

Measurement of tool length for compensation.

 Machining Parameters

Tool Load

Monitored value of actual tool or spindle load.

 Tooling & Holders

Tool Magazine

Device that stores tools and enables automatic tool changes.

 Tooling & Holders

Tool Number

Tool identification number referenced in the program.

 Tooling & Holders

Tool Position

Position number of a tool in the magazine or turret.

 Measurement & Compensation

Tool Presetting

Pre-measuring and setting tools outside the machine.

 Coordinates & Offsets

Tool Radius Compensation (D)

Corrects differences in tool radius.

 Process, Cycles & Toolpath

Tool Retract

Path and method for tool withdrawal from cutting.

 Measurement & Compensation

Tool Setter

Device used to measure tool length or diameter.

 Measurement & Compensation

Tool Setting

Process of establishing tool offset relative to workpiece zero.

 Measurement & Compensation

Tool Setting Block

Reference block used for manual tool setting.

 Measurement & Compensation

Tool Wear Compensation

Corrects deviation caused by tool wear.

 Tooling & Holders

Toolholder

Component that holds the tool and connects to the spindle.

 Workholding & Workpiece

Tooling Plate

Base plate for mounting fixtures and workpieces.

 Workholding & Workpiece

Tooling Positioning

Positioning scheme implemented by tooling.

 Quality, Tolerance & Surface

Total Runout

Total surface runout deviation during rotation.

 Measurement & Compensation

Touch Trigger Probe

Probe that triggers a signal on contact.

 Quality, Tolerance & Surface

Transition Fit

Fit condition between clearance and interference.

 Machining Parameters

True Position

Geometric tolerance that controls feature location relative to datums.

 Machine & Axes

Turret

Indexing mechanism on lathes that holds multiple tools.

 Workholding & Workpiece

V-Block

Fixture block used to locate cylindrical parts.

 Workholding & Workpiece

Vacuum Fixture

Fixture that holds workpieces by vacuum suction.

 Program & G/M Codes

Variable

Parameter used for storage and calculation in macro programs.

 Workholding & Workpiece

Vise

Common device for clamping workpieces.

 Machining Parameters

Width of Cut (ae)

Radial width of cut.

 Coordinates & Offsets

Work Coordinate Measurement

Measuring positions in the work coordinate system.

 Coordinates & Offsets

Work Coordinate Number

Index number of a work coordinate system.

 Coordinates & Offsets

Work Coordinate Offset (G54)

Commonly used work coordinate offset.

 Coordinates & Offsets

Work Coordinate System

Coordinate system referenced to workpiece zero.

 Workholding & Workpiece

Workholding Datum

Datum plane or point used for positioning during setup.

 Workholding & Workpiece

Workpiece

Part or material being machined.

 Measurement & Compensation

Workpiece Alignment

Adjusting the workpiece to align with datums.

 Workholding & Workpiece

Workpiece Holding

Method for securely holding a workpiece.

 Measurement & Compensation

Workpiece Probe

Probe for on-machine workpiece measurement.

 Workholding & Workpiece

Workpiece Setup

Process of mounting and fixing a workpiece.

 Coordinates & Offsets

Workpiece Zero Point

Machining origin defined in the program.

 Machine & Axes

X Axis

Linear motion axis of a machine tool, typically in the left-right direction.

 Machine & Axes

Y Axis

Linear motion axis of a machine tool, typically in the front-back direction.

 Quality, Tolerance & Surface

Yield Rate

Ratio of qualified products to total output.

 Machine & Axes

Z Axis

Linear motion axis of a machine tool, typically in the up-down direction.

 Coordinates & Offsets

Zero Offset

Offset adjustment of the zero position.