2.7. accuracy in design and manufacture Flashcards
template
a rigid shape or pattern used to transfer design onto a workpiece to ensure accuracy
accuracy
the amount of conformity of a measurement to the required value
fixture
a robust frame with holding points and clamps to hold product components firm in place for manufacturing processes such as welding
jig
a device used to control the motion of a tool such as a drill relative to a workpiece
datum
a surface or edge used as a reference from which measurements are taken to improve accuracy
marking out
the transfer of designs onto pieces of material or parts
dimension
the measured distance in a straight line between features of a part or product such as height or length
measurement
the process of using tools to check existing dimensions
tolerance
the acceptable upper and lower limits of accuracy of a measurement
go-no-go gauges
consistency in the sizing of a specific component, requires low skill level
digital test gauge
measure pressure and displays value on an integrated display
digital micrometer
depth width or length of material
try square
woodworking, 90 degree angles on wood
spirit level
how parallel or perpendicular a surface is relative to earth
beam compass
scribe a circle
