Question 1

Abrasive Machining

Accepted Answer

The process of removing material from a workpiece by using abrasives on a grinding wheel.

Question 2

Annealing

Accepted Answer

Heating a material to a specific temperature and then slowly cooling it to reduce hardness and increase ductility.

Question 3

Back Rake Angle

Accepted Answer

The angle between the tool face and a line parallel to the base of the tool.

Question 4

Bench Work

Accepted Answer

Manual work performed on a bench, such as filing, scraping, and polishing.

Question 5

Boring

Accepted Answer

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

Question 6

Broaching

Accepted Answer

A machining operation that uses a multi-toothed tool to remove material.

Question 7

Burnishing

Accepted Answer

The process of polishing a surface by plastic deformation to reduce surface roughness.

Question 8

Carbide

Accepted Answer

A composite of ceramic and metal used in cutting tools for its heat resistance and hardness.

Question 9

Case Hardening

Accepted Answer

A heat treatment process that hardens only the exterior of a steel part, leaving the interior ductile.

Question 10

Chamfer

Accepted Answer

A beveled edge connecting two surfaces.

Question 11

CNC Programming

Accepted Answer

The process of writing code for CNC machines to perform machining operations.

Question 12

Coordinate Measuring Machine (CMM)

Accepted Answer

A device used for measuring physical geometrical characteristics of an object.

Question 13

Cutting Fluid

Accepted Answer

A fluid used in machining processes to cool, lubricate, and remove chips.

Question 14

Deep Drawing

Accepted Answer

A sheet metal forming process used to create three-dimensional shapes.

Question 15

Die

Accepted Answer

A specialized tool used in manufacturing to cut or shape material.

Question 16

Drill Bit

Accepted Answer

A cutting tool used to create cylindrical holes.

Question 17

EDM

Accepted Answer

Electrical Discharge Machining, a method of machining in which electrical sparks are used to remove material.

Question 18

End Mill

Accepted Answer

A type of milling cutter used in milling operations.

Question 19

Feed Rate

Accepted Answer

The speed at which the cutter moves into or along the workpiece.

Question 20

Fixture

Accepted Answer

A device used to hold a workpiece in place during a machining operation.

Question 21

Forging

Accepted Answer

A manufacturing process where metal is shaped by plastic deformation under great pressure.

Question 22

Gage

Accepted Answer

A tool used to measure or check the size of a workpiece.

Question 23

Grinding Wheel

Accepted Answer

A wheel composed of an abrasive compound and used for grinding.

Question 24

Hardness

Accepted Answer

The resistance of a material to deformation, especially by scratching, abrasion, or cutting.

Question 25

Heat Treatment

Accepted Answer

A process of heating and cooling metals to change their physical and mechanical properties.

Question 26

High Speed Steel (HSS)

Accepted Answer

A type of tool steel used in cutting tools for its ability to withstand high temperatures.

Question 27

Honing

Accepted Answer

A finishing process used to improve the geometry of a part, readjust the alignment of features such as holes or bores.

Question 28

Inserts

Accepted Answer

Replaceable cutting tips used in many types of cutting tools.

Question 29

Jig

Accepted Answer

A device used to control the location or motion of a tool.

Question 30

Knurling

Accepted Answer

A machining process that creates a pattern of straight, angled, or crossed lines on the surface of a part.

Question 31

Lathe

Accepted Answer

A machine tool that rotates a workpiece about an axis of rotation to perform various operations.

Question 32

Mandrel

Accepted Answer

A shaft or spindle used to hold, support, or rotate a workpiece or tool.

Question 33

Milling

Accepted Answer

A machining process in which a rotating tool removes material from a workpiece.

Question 34

Nitriding

Accepted Answer

A heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface.

Question 35

Orthogonal Cutting

Accepted Answer

A type of metal cutting in which the cutting edge of the tool is perpendicular to the direction of tool travel.

Question 36

Peening

Accepted Answer

A process of cold working metal surfaces to induce compressive stresses or to reduce surface irregularities.

Question 37

Planing

Accepted Answer

A machining process that involves moving the workpiece linearly against a single-point cutting tool.

Question 38

Quenching

Accepted Answer

Rapidly cooling a workpiece to harden it during heat treating.

Question 39

Reaming

Accepted Answer

A machining process used to enlarge or finish a hole that has been drilled or bored.

Question 40

Sintering

Accepted Answer

A method of creating objects from powders by heating the material until its particles adhere to each other.

Question 41

Surface Grinding

Accepted Answer

A machining process that involves an abrasive wheel to remove material from the flat surface of a workpiece.

Question 42

Tapping

Accepted Answer

A process that creates internal threads in a hole.

Question 43

Threading

Accepted Answer

A machining operation that produces external or internal threads on a workpiece.

Question 44

Tool Steel

Accepted Answer

A type of high carbon steel that is well-suited to making tools.

Question 45

Tungsten Carbide

Accepted Answer

An extremely hard material used in cutting tools.

Question 46

Undercut

Accepted Answer

A recessed portion of a workpiece that is difficult to machine.

Question 47

Vertical Milling Machine

Accepted Answer

A milling machine where the spindle axis is vertically oriented.

Question 48

Workholding

Accepted Answer

Devices and techniques used to secure a workpiece during a machining operation.

Question 49

X-Axis

Accepted Answer

The axis in a Cartesian coordinate system that is typically horizontal and represents side-to-side movement.

Question 50

Y-Axis

Accepted Answer

The axis in a Cartesian coordinate system that is typically vertical and represents front-to-back movement.

Question 51

Z-Axis

Accepted Answer

The axis in a Cartesian coordinate system that is perpendicular to both the X and Y axes, typically representing up-and-down movement.

Question 52

Austenitizing

Accepted Answer

The process of heating a steel or cast iron part to a high temperature where it changes to an austenite crystalline structure.

Question 53

Backlash

Accepted Answer

The slight movement when the direction of movement is reversed, such as in a gear or lead screw mechanism.

Question 54

Chip Load

Accepted Answer

The amount of material removed by each cutting edge during a milling operation.

Question 55

Dogbone

Accepted Answer

A common feature in die design that allows for easier part extraction by creating relief in corners.

Question 56

End Play

Accepted Answer

The axial movement of a part within a system due to clearance or manufacturing tolerance.

Question 57

Ferrite

Accepted Answer

A type of crystalline structure found in iron-based alloys.

Question 58

Green Machining

Accepted Answer

The process of machining a part that is not fully sintered, taking advantage of the part's softer state.

Question 59

Hobbing

Accepted Answer

A machining process for gear cutting, cutting splines, and cutting sprockets on a hobbing machine.

Question 60

Investment Casting

Accepted Answer

A casting process where a wax pattern is coated in ceramic material, which is then heated to remove the wax and harden the ceramic, forming a mold.

Question 61

Jominy Test

Accepted Answer

A test to measure the hardenability of a steel alloy.

Question 62

Kerf

Accepted Answer

The width of material that is removed by a cutting process.

Question 63

Lead Angle

Accepted Answer

The angle between the cutting edge of the tool and the side of the tool, in relation to the workpiece.

Question 64

Martensite

Accepted Answer

A hard, brittle form of steel with a tetragonal crystalline structure, produced by quenching austenite.

Red Seal Exam Preparation: Tool and Die Maker Flashcards