Standard and bought in components Flashcards
Manufacturing
What is a standardised component?
A component that must be able to fit other elements of a design in it.
e.g. buying a hole punched notepad but finding the holes are in the wrong place and it doesn’t clip into a folder.
What has been adopted to standardise threads on screws?
The ISO (International Standards Organisation) system which makes compatibility effective globally.
This means manufacturers can specify third party bought-in components for their products
e.g. tyres, door locks, kitchen units, memory cards, batteries, etc.
Which can be incorporated into other products.
What is a bought-in component?
A pre-manufactured component that is purchased from an external supplier to be used in a product.
It wouldn’t be economical to manufacture these components seperately.
e.g. screws, nuts, bolts, transistors and resistors.
What are sub-assemblies?
A system assembled seperately, but designed to be incorporated into another, bigger, system.
E.g. gear boxes
Suppliers make CAD files so the manufacturers can more easily integrate them into designs.
How do sub-assemblies make financial savings?
-components can be bought in bulk
-don’t need their own manufacturing facility, so no need for expertise or special equipment.
-greater level of consistency across the components.
-time will be saved.
What is the ISO 9001 accreditation?
An internationally recognised management system that ensures the consistency of goods, keeping the quality maintained.
What happens when a standard changes?
It can make older versions become obsolete. Its sometimes necessary for companies to make changes to stay competitive.
e.g. Apple changed their 30-pin type and replaced it with a lightning connector and removed the 3.5mm headphone socket.
