Transcription of DESIGN OF MACHINE ELEMENTS - Rajagiri School of ...
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DESIGN OF MACHINE ELEMENTS - Rajagiri School of ...
DESIGN OF MACHINE ELEMENTS . Nivish George Threaded Joints: Types Department of Mechanical Engineering 2. Cap screws with different heads Department of Mechanical Engineering 3. Screw Threads: Terminology Department of Mechanical Engineering 4. Screw Threads: Terminology Major diameter: The major diameter is the diameter of an imaginary cylinder that bounds the crest of an external thread (d) or the root of an internal thread (D) (Also called as nominal diameter). Minor diameter: The minor diameter is the diameter of an imaginary cylinder that bounds the roots of an external thread (dc) or the crest of an internal thread (Dc). Pitch diameter: The pitch diameter is the diameter of an imaginary cylinder, the surface of which would pass through the threads at such points as to make the width of the threads equal to the width of spaces cut by the surface of the cylinder Department of Mechanical Engineering 5.
General purpose threads in bolts, nuts and tapped holes. Screw Threads: Standards ... inclined at an angle 300 with horizontal. The bracket is fastened by means of four identical bolts, two at A and two at ... Goodman line as the criterion of failure. Determine the size of the bolts.
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