Man. Processes
GD&T
Design for A/M
Considerations
Miscellaneous
100

This subtractive process removes material using a rotating cutting tool.

What is milling

100

This tolerance controls the allowable variation of a feature's center relative to a datum

What is position

100

This design principle reduces the number of separate parts to simplify assembly.

What is part count reduction

100

This factor refers to how easily a part can be produced using a given process.

What is manufacturability

100

What is the type of built-in fastener that snaps into place when connected to a part

What is Snap-fit

200

This process uses molten metal that is poured into a mold.

What is metal casting

200

What symbol represents a feature that the rest of the features are referenced from.

What is Datum Feature

200

This manufacturing concept encourages using standard components instead of custom ones.

What is Standardization or using commercial off the shell parts

200

This consideration is focused on reducing cost between parts in a design.

Part-to-cost ratio

200

What is the distance between two adjacent teeth on a gear called, measured along the pitch circle 

What is pitch diameter

300

This process uses a high-energy beam to cut sheet material with high precision

What is laser cutting

300

This symbol ensures that two surfaces remain parallel to a specified tolerance.

What is parallelism

300

This term describes designing parts so they can only be assembled in the correct orientation.

What is poka-yoke (mistake-proofing)

300

This term describes how well a material can withstand repeated loading without failure.

What is fatigue strength

300

What type of cam follows a contour cut on the surface and can either oscillate or reciprocate.

What is cylindrical or drum cam

400

This process deforms metal by forcing it through a die to create long, uniform shapes

What is injection molding

400

What is the GD&T symbol used to describe the conditions and tolerances of a geometric control on a part’s feature 

What is Feature Control Frame

400

What is the most important principle for Design for Assembly

What is minimize part count

400

This consideration focuses on minimizing waste and energy use

What is sustainability

400

What type of gear has teeth cut at an angle to the axis of rotation and can operate orthogonally

What are helical gears
500

This method builds parts in layers from a digital model.

What is additive manufacturing or 3D printing

500

What feature describes the amount of material existing within a dimensional tolerance

What is Maximum Material Condition (MMC)

500

Designing with easy alignment and reducing the time and effort required for assembly are key for which principles in DFA.

What is Realistic Tolerances and assembly ease
500

This concept evaluates the total length a product stays in use before it is unable to be used.

What is lifespan

500

Which type of joint has 2 degrees of freedom, both along the same axis

What is a cylindrical joint