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Questions and Answers
Name three processes and three devices used for fastening.
Name three processes and three devices used for fastening.
Processes: welding, gluing, soldering; Devices: bolts, screws, anchors
What is a threaded fastener?
What is a threaded fastener?
A mechanical fastener used to join two or more parts
What information is required to specify a thread using the English system?
What information is required to specify a thread using the English system?
Thread form, thread series, major diameter, class of fit, threads per inch
Who developed the sharp-V thread?
Who developed the sharp-V thread?
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How many patents did William Sellers file?
How many patents did William Sellers file?
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Study Notes
Fastening Processes and Devices
- Three common processes used for fastening: Welding, Brazing, and Soldering
- Three devices used for fastening: Bolts, Nuts, and Screws
Threaded Fasteners
- A threaded fastener is a type of fastener that has a thread, which is a helical ridge that mates with a compatible thread on another part
Specifying Threads
- In the English system, the following information is required to specify a thread: Nominal diameter, Number of threads per inch, Thread series (e.g. UNC, UNF, etc.)
History of Thread Development
- The sharp-V thread was developed by William Sellers
- William Sellers filed a total of 90 patents
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