Question 1

Taper Turning Methods

Accepted Answer

Tailstock setover, taper attachment, compound rest, and form tool.

Question 2

Engine Lathe

Accepted Answer

A machine tool for shaping metal workpieces through a series of cutting operations.

Question 3

CNC Machining

Accepted Answer

A computer-controlled process for shaping materials using cutting tools.

Question 4

Surface Feet per Minute (SFM)

Accepted Answer

Measurement of cutting tool speed.

Question 5

Chip Load

Accepted Answer

The thickness of the material removed during each cutting edge revolution.

Question 6

G-code

Accepted Answer

A programming language for CNC machines.

Question 7

M-code

Accepted Answer

Machine control functions, typically for auxiliary functions.

Question 8

High-Speed Steel (HSS)

Accepted Answer

A type of cutting tool material with excellent heat resistance.

Question 9

Carbide

Accepted Answer

Hard cutting tool material for high-speed machining.

Question 10

Tool Life

Accepted Answer

The duration a cutting tool can be used before it becomes too worn.

Question 11

Tool Wear

Accepted Answer

The process of cutting edge degradation due to machining.

Question 12

Tool Offsets

Accepted Answer

Adjustments to account for tool wear or other variations in CNC machining.

Question 13

Center Drilling

Accepted Answer

Preparing a workpiece for turning by drilling a center hole.

Question 14

Chamfering

Accepted Answer

Cutting an angle or bevel at the edge of a workpiece.

Question 15

Deburring

Accepted Answer

Removing sharp edges or burrs from a workpiece.

Question 16

Reaming

Accepted Answer

Finishing operation to achieve close tolerances and a smooth surface finish.

Question 17

Boring

Accepted Answer

Enlarging a hole or cylindrical cavity with a single-point cutting tool.

Question 18

Tapping

Accepted Answer

Cutting threads inside a hole using a tap.

Question 19

Threading

Accepted Answer

Creating screw threads on the external surface of a workpiece.

Question 20

Thread Pitch

Accepted Answer

The distance between adjacent thread crests.

Question 21

Major Diameter

Accepted Answer

The largest diameter of a screw thread.

Question 22

Minor Diameter

Accepted Answer

The smallest diameter of a screw thread.

Question 23

Helix Angle

Accepted Answer

The angle between the thread helix and an axial line.

Question 24

Depth of Cut

Accepted Answer

The amount of material removed in one pass.

Question 25

Cutting Force

Accepted Answer

The force exerted by the cutting tool on the workpiece.

Question 26

Speeds and Feeds

Accepted Answer

Cutting parameters, including RPM and feed rate.

Question 27

Metal Cutting Fluids

Accepted Answer

Lubricants and coolants used to improve cutting performance.

Question 28

Surface Finish

Accepted Answer

The quality of the machined surface, typically measured in microinches or micrometers.

Question 29

Tolerance

Accepted Answer

The permissible range of variation in a machined dimension.

Question 30

Datum

Accepted Answer

A reference point, line, or plane used for precise measurement.

Question 31

Fixture

Accepted Answer

A device for holding a workpiece in a specific orientation during machining.

Question 32

Milling

Accepted Answer

Removing material using a rotating cutting tool with multiple cutting edges.

Question 33

End Mill

Accepted Answer

A milling cutter used for creating slots, pockets, or contours.

Question 34

Face Mill

Accepted Answer

A milling cutter used for machining flat surfaces.

Question 35

Climb Milling

Accepted Answer

Milling in which the cutter moves in the same direction as the workpiece feed.

Question 36

Conventional Milling

Accepted Answer

Milling in which the cutter moves opposite the workpiece feed.

Question 37

Spindle Taper

Accepted Answer

A system for securing cutting tools to the spindle.

Question 38

Toolholder

Accepted Answer

A device for holding cutting tools in a machine spindle.

Question 39

Collet

Accepted Answer

A clamping device for holding cutting tools or workpieces.

Question 40

R8 Taper

Accepted Answer

A popular spindle taper for manual milling machines.

Question 41

HSK Taper

Accepted Answer

A high-precision spindle taper for high-speed machining.

Question 42

CAT Taper

Accepted Answer

A spindle taper commonly used in CNC machining centers.

Question 43

Coordinate System

Accepted Answer

The reference system for locating points in a 3D space.

Question 44

Machine Zero

Accepted Answer

The reference point for the CNC machine's coordinate system.

Question 45

Work Offset

Accepted Answer

An adjustment to the coordinate system to account for variations in workpiece setup.

Question 46

Interpolation

Accepted Answer

The process of calculating intermediate points between two known points in CNC machining.

Question 47

Linear Interpolation

Accepted Answer

Creating a straight-line path between two points in CNC programming.

Question 48

Circular Interpolation

Accepted Answer

Creating a curved path between two points in CNC programming.

Question 49

CAD/CAM Software

Accepted Answer

Computer-aided design and manufacturing software used for creating and simulating CNC programs.

Red Seal Exam Machinist: Advanced Flash Card Set