machine drawing lecture 2 - ahmed nagib drawing...machine drawing lecture 2. machine drawing lecture...
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Machine Drawing
Lecture 2
Dr./ Ahmed Nagib
October 11, 2015
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Fasteners Threads
Threaded products incorporating helical surfaces are divided into two
groups:
1. Fasteners, designed for holding together the various parts of a
structure, e.g., bolts with nuts, set screws, studs, etc.
2. Various kinds of screws and worms, designed to transform rotary
motion into translational motion, e.g., lifting screws, motion screws
worms, etc.
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Fasteners Threads
C-Clamp
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Fasteners Threads
Vice
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Fasteners Threads
Worm and Worm wheel
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Fasteners Threads
Valve
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Fasteners 1. Bolts
A bolt and nut in combination is a fastening device used to hold two
parts together.
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Fasteners 1. Bolts
The nuts with internal threads engage with the corresponding size of the
external threads of the bolt.
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Fasteners 1. Bolts
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Fasteners 1. Bolts
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Fasteners 1. Bolts
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Fasteners 1. Bolts
In drawings, threads are not drawn true to life. It would require much
time and work to draw a thread as it really is.
Threads will be drawn as follows
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Fasteners 1. Bolts
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Fasteners 1. 1.Through Bolt
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Fasteners 1. 1.Through Bolt
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Fasteners 1. 1.Through Bolt
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Fasteners 1. 1.Through Bolt
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Fasteners 1. 2. Stud Bolt
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Stuffing Box
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Stuffing Box Parts
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Stuffing Box Parts
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Stuffing Box Parts
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