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DIMENSION AND TOLERENCE - Coggle Diagram
DIMENSION AND TOLERENCE
TYPES OF DIMENSIONS
parallel dimensions
super imposed running
chain dimensioning of radius
comnine dimensions
dimensions of small hole
dimension multiple features
dimension of circles arcs
dimensions of angles
importance of tolerance
decides how to manufacture
allow part to fit together
makes parts worst across bends
reduces rejection
TYPES OF TOLERENCE
bilateral tolerance
unilateral tolerance
limit tolerance
formula for tolerance = upper limit - lower limit
clearance
always a gap between parts
interference
no gap need to be forced together
are caused in shafts trough bearings