5. EngDraw_BSigns_2

University of Ecology and Management
Basic Signs
in Engineering Drawings
Lecturer: Krzysztof Lewandowski
E-mail: [email protected]
Academic year: 2016/2017
Basic electronic signs
Ground
Transformer
Fuze
Switch SPDT
Capacitor
Speaker
Resistor
© 2016, Krzysztof Lewandowski
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Basic electrical signs
Fuze
Switch
Alarm speaker
Light point
Generator DC
Socket
3-Phase Motor
Connector
Fan
© 2016, Krzysztof Lewandowski
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Mechanical engineering signs
Hex nut
Hex socket bolt
Roller bearing
© 2016, Krzysztof Lewandowski
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Basic dimensions
Dimension line
Radius
Diameter
Break Line (jogline)
©2016, Krzysztof Lewandowski
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Types of tolerance of dimensions
Basic
Limits
Symmetrical
Deviation
© 2016, Krzysztof Lewandowski
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Graphical symbols of Form
Straightness
Flatness
Circularity
Cyrindlicality
© 2016, Krzysztof Lewandowski
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Graphical symbols of Orientation
Perpendicular
Angularity
Parallelism
© 2016, Krzysztof Lewandowski
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Graphical symbols of location
Concentricity
True position
Symmetry
© 2016, Krzysztof Lewandowski
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Graphical symbols
Runout
Profile
• Circular runout
• Profile
• Total runout
• Profile of a line
© 2016, Krzysztof Lewandowski
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Alphabetical signs
M
Maximum Material Condition (MMC)
P
Project Tolerance Zone
L
Least Material Condition (LMC)
T
Tangent Plain
F
Free State
S
Regulardless of Feature Size (RFS)
© 2016, Krzysztof Lewandowski
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Alphabetical signs
Datum
– A = Primary Plain (basiment)
– B = Secondary Plain
– C = Tertiary Plain
© 2016, Krzysztof Lewandowski
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The End
2016, Krzysztof Lewandowski
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