Dimensioning keyways parallel keys

The method of dimensioning a parallel shaft is shown in Fig. 17.15, and a parallel hub in Fig. 17.16. Note that in each case it is essential to show the dimension to the bottom of the keyway measured across the diameter of the shaft and the bore of the hub. This practice cannot be used where either the shaft or hub is tapered, and Fig. 17.17 shows the method of dimensioning a keyway for a square or rectangular parallel key in a tapered shaft, where the keyway depth is shown from the outside edge of the shaft and is measured vertically into the bottom of the slot. Figure 17.18 shows a tapered hub with a parallel keyway where the dimension to the bottom of the slot is taken across the major diameter. A parallel hub utilizing a tapered key is also dimensioned across the major diameter, as indicated in Fig. 17.19.

Fig. 17.15 Keyway in parallel shaft

Fig. 17.15 Keyway in parallel shaft

Keyway Slot
Fig. 17.16 Keyway in parallel hub

Fig. 17.17 Keyway for square or rectangular parallel key in tapered shaft

Draw Keyway

Fig. 17.18 Tapered hub with parallel keyway

Tapered Keyway

Fig. 17.19 Parallel hub with tapered keyway

Fig. 17.18 Tapered hub with parallel keyway

Fig. 17.19 Parallel hub with tapered keyway

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Responses

  • tesfay
    How to show keyway in technical drawing?
    8 years ago
  • razanur
    How to dimension a keyway on a drawing?
    8 years ago
  • andi
    How to dimension keyways?
    7 years ago
  • krystian
    How to indicate keyway size on engineering drawing?
    3 years ago
  • gimja
    IS FOR PARALLELKEY & KEYWAY?
    3 years ago
  • mirabella
    How to show a key way diagram in engineering drawing?
    3 years ago
  • Adonay Negassi
    Are keyways for gin head keys parallel?
    1 year ago
  • anna wulf
    How to draw keyway on 2d drawings?
    1 year ago
  • helmi
    How to calculate shaft keyway tolerance?
    1 year ago
  • ANGELIKA
    How a taper keyway works?
    12 months ago
  • Torsten
    HOW TO DIMENSION A KEY SLOT?
    10 months ago
  • ruben
    How to find keyway size from drawing?
    10 months ago
  • Leon
    HOW DO YOU DIMENSION A KEYWAY SLOT?
    9 months ago
  • Mika
    How to make a keyway invnetor?
    7 months ago
  • annika kalliom
    How to dimension keyway on a shaft?
    7 months ago
  • LIDYA
    How to DIMENSION keyway depth?
    6 months ago
  • callisto
    HOW TO GD&T KEYWAYS ON A SHAFT?
    6 months ago
  • angela
    How to dimension and internal keyway on a tapered bore?
    5 months ago
  • bisirat
    How to set shaft keyway position?
    5 months ago
  • remo
    How to represent keyway?
    5 months ago
  • mason
    How to deminsion a keyway?
    5 months ago
  • Richard Fennell
    How to brepresent the measurements of a keyway on a drafting drawing?
    3 months ago
  • Senait
    How do I find the shaft bore dimensions on the shaft drawing?
    2 months ago
  • Halfred
    How to dimension keyseat?
    1 month ago
  • alma
    What are the standard position of keyways in shafts?
    8 days ago
  • Iole Costa
    How to calculate the tolerance of square parallel keyways?
    6 days ago

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