Machine Drawing

78 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print 3. Pitch diameter This is the diameter of an imaginary cylinder, p ...

Screwed Fasteners 79 dharm d:\N-Design\Des5-1.pm5 Seventh Print = d – 1.08P It may be noted from the figure that in order to avo ...

80 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.4 Thread Series BIS recommends two thread series: coarse series ...

Screwed Fasteners 81 dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.5 Thread Designation The diameter-pitch combination of an ISO ...

82 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print Advances Turn counter clockwise Left hand Advances Turn clockwise ...

Screwed Fasteners 83 dharm d:\N-Design\Des5-1.pm5 Seventh Print It may be noted from Fig. 5.7, that the crests of threads are in ...

84 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print Fig. 5.9 illustrates the schematic representation of square thread ...

Screwed Fasteners 85 dharm d:\N-Design\Des5-1.pm5 Seventh Print (a) (b) (c) Fig. 5.10 External and internal threads in engagemen ...

86 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print D W 14 10 11 12 R 2 R 2 D R R^1 432 86 1 79 R 1 5 13 Fig. 5.12 Met ...

Screwed Fasteners 87 dharm d:\N-Design\Des5-1.pm5 Seventh Print Width of the nut across corners = 2 D Radius of chamfer arc, R = ...

88 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print Major or nominal diameter of bolt = D Thickness of nut, T = D Widt ...

Screwed Fasteners 89 dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.9.4 Washers A washer is a cylindrical piece of metal with a ho ...

90 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.9.5.2 T-Headed Bolt With Square Neck In this, a square neck prov ...

Screwed Fasteners 91 dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.9.5.5 Stud Bolt or Stud It consists of cylindrical shank with ...

92 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print D 2.2 D D 0.25 D a - Flanged nut 1.5D+3 0.5 D D 0.25 D D b - Cap n ...

Screwed Fasteners 93 dharm d:\N-Design\Des5-1.pm5 Seventh Print 2D 0.6 D L DD DD 0.6 D 0.2 D 90° 0.2 D L Hexagonal head Flat hea ...

94 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.10 Locking Arrangements for Nuts The bolted joints, though remov ...

Screwed Fasteners 95 dharm d:\N-Design\Des5-1.pm5 Seventh Print When the lock nut is first screwed into its position, the top fl ...

96 Machine Drawing dharm d:\N-Design\Des5-1.pm5 Seventh Print 5.10.4 Wile’s Lock nut It is a hexagonal nut with a slot, cut half ...

Screwed Fasteners 97 dharm d:\N-Design\Des5-1.pm5 Seventh Print In this arrangement, a set screw fitted through the cap and thro ...