IB Design Technology Topic A4.1.1 Categories of Manufacturing Techniques Revision Notes (HL)

IB Design Technology Topic A4.1.1 Categories of Manufacturing Techniques Revision Notes (HL) | RevisionDojo

Manufacturing techniques fall into five categories

Manufacturing techniques turn raw materials into finished products, and they fall into two broad families before we group the techniques themselves.

Note

Discrete manufacturing makes distinct, countable items you can track one by one, such as cars, appliances and furniture.
Process manufacturing produces materials that cannot easily be separated into units, like chemicals, food and pharmaceuticals, usually in continuous or batch runs.
This lesson focuses on discrete manufacturing, whose processes group into five categories: additive, subtractive, forming, joining and finishing.

Additive and subtractive

Definition

Additive Manufacturing

Additive manufacturing involves techniques that build objects by adding material layer by layer.

Additive manufacturing builds an object by adding material one layer at a time, as in 3D printing. Because it builds only what is needed, it excels at complex, customised shapes and creates little waste.

Definition

Subtractive Manufacturing

Subtractive manufacturing uses techniques that shape components by removing material from a solid block.

Subtractive manufacturing (also called wasting) starts from a solid block and cuts material away until only the component remains, as in CNC machining. It is precise and suits hard materials, but the removed material becomes waste.

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Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit.

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Manufacturing techniques fall into five categories

Manufacturing techniques turn raw materials into finished products, and they fall into two broad families before we group the techniques themselves.

Note

Discrete manufacturing makes distinct, countable items you can track one by one, such as cars, appliances and furniture.
Process manufacturing produces materials that cannot easily be separated into units, like chemicals, food and pharmaceuticals, usually in continuous or batch runs.
This lesson focuses on discrete manufacturing, whose processes group into five categories: additive, subtractive, forming, joining and finishing.

Additive and subtractive

Definition

Additive Manufacturing

Additive manufacturing involves techniques that build objects by adding material layer by layer.

Additive manufacturing builds an object by adding material one layer at a time, as in 3D printing. Because it builds only what is needed, it excels at complex, customised shapes and creates little waste.

Definition

Subtractive Manufacturing

Subtractive manufacturing uses techniques that shape components by removing material from a solid block.

Subtractive manufacturing (also called wasting) starts from a solid block and cuts material away until only the component remains, as in CNC machining. It is precise and suits hard materials, but the removed material becomes waste.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

A. Design in theory8 subtopics

B. Design in practice8 subtopics

C. Design in context8 subtopics

IB Design Technology Topic A4.1.1: Categories of Manufacturing Techniques Notes

A. Design in theory8 subtopics

B. Design in practice8 subtopics

C. Design in context8 subtopics

Manufacturing techniques fall into five categories

Additive and subtractive

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

Manufacturing techniques fall into five categories

Additive and subtractive

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account