Technical Drawing

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Technical Drawing

• Technical English IV (Revision)

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(No Transcript)
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Task 1 Match technical terms with their
definitions!

• An inclined edge, not at a right angle to joining
  surface
• A round flange or ring fitted on a shaft to
  prevent sliding
• To enlarge an end of a hole conically
• To cut a cylindrical hole with a drill
• A hole that does not go through the piece
• A small piece sunk partly into both shaft and hub
  to prevent rotation
• A groove cut around a cylindrical piece
• A relatively thin flat member joining larger
  parts and acting as a support
• An amount of variation permitted in limit
  dimension of a part

• tolerance
• to countersink
• blind hole
• collar
• key
• rib, web
• bevel
• to drill
• neck

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Task 2a

• Rundteil
• Ansicht
• Schnitt mit Bemaßung
• 3D-Darstellung
• (scale 51)

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Task 2b
SW (Schlüsselweite) width across flats
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Task 2c

• Gewindebolzen (threaded part)
• Ansicht
• Schnitt
• 3D-Darstellung

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Task 2d

• Winkel (angle)
• Ansicht
• Schnitt
• 3D-Darstellung

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Task 3 Answer the questions related to the
following drawing

• (a) What does this symbol mean   
• (b) What size is the oil hole?
• (c) How many holes have to be drilled Ø12?
• (e) How far is the oil hole from the edge of the
  cylinder?
• (f) What do you call the multiple diagonal lines
  in section A-A
• (h) What is the thickness of the web?

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Task 4 Flanged Pulley

• (a) What size is the key?
• (b) How many webs are shown?
•  (c) fill in the table indicating nominal size,
  upper limit, tolerance and the type of fit of the
  hole/shaft

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Task 5 Reading Mathematical Formulae

• A is less then B
• A plus B is equal to C
• Pi is three point one four one
• R one plus R two is equal to R three
• V minus V one is less or equal to V two
• E is equal to m times c squared
• A cube has a volume of one side (s) cubed
• Celsius equals -open bracket- Fahrenheit minus 32
  close bracket times 5 over 9
• The area of a circle is equal to Pi times r
  squared
• The volume of a cone is Pi times r squared times
  height all divided by three
• The square root of nine is three

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More formulae