Development of adjustable allen key/ Bernie F. Baltero, John Reyner P Bañez, Joshua L. Bersalona, Jherome D. Palarca, and Hans Yuri V. Pinca .--

By:

Baltero, Bernie F [author ]

Contributor(s):

Material type: Text

TextPublication details: Manila: Technological University of the Philippines, 2023.Description: xi, 94pages: 29cm. +1 CD-ROM (4 3/4in.)Content type:

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Subject(s):

Mechanical engineering

LOC classification:

BTH TJ 145 B35 2023

Dissertation note: College of Industrial Technology .-- Bachelor of Engineering Technology major in Mechanical Technology: Technological University of the Philippines, 2023. Summary: This research is about creating an adjustable Allen key that can work with different sizes of hexagonal sockets. The prototype of the tool has seven parts, including an adjustment knob, a case, a spiral plate, three adjustable jaws, and a thumbscrew or handle. To test the effectiveness of the tool, first, it was flame hardened until 870 degrees Celsius and later on subjected to Brinell Hardness Test to get the HRC value. The prototype was also tested for torque by tightening different sizes of hexagonal sockets with a specific level of force and then loosening using the tool. The results showed that the prototype was able to expand up to 16mm and was successful in loosening the hexagonal sockets. To evaluate the prototype, 30 evaluators rated it on different criteria such as functionality, workability, durability, aesthetics, economy, and safety. The overallrating was 4.24 out of 5, which indicates that the prototype worked well. This research offers a potential solution for a more versatile and efficient tool for working with hexagonal socket fittings.

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Item type	Current library	Shelving location	Call number	Copy number	Status	Date due	Barcode
Bachelor's Thesis CIT	TUP Manila Library	Thesis Section-2nd floor	BTH TJ 145 B35 2023 (Browse shelf(Opens below))	c.1.	Not for loan		BTH0005840

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Thesis (undergraduate)

College of Industrial Technology .-- Bachelor of Engineering Technology major in Mechanical Technology: Technological University of the Philippines, 2023.

Includes bibliography:

This research is about creating an adjustable Allen key that can work with different sizes
of hexagonal sockets. The prototype of the tool has seven parts, including an adjustment
knob, a case, a spiral plate, three adjustable jaws, and a thumbscrew or handle. To test the
effectiveness of the tool, first, it was flame hardened until 870 degrees Celsius and later on
subjected to Brinell Hardness Test to get the HRC value. The prototype was also tested for
torque by tightening different sizes of hexagonal sockets with a specific level of force and
then loosening using the tool. The results showed that the prototype was able to expand up
to 16mm and was successful in loosening the hexagonal sockets. To evaluate the prototype,
30 evaluators rated it on different criteria such as functionality, workability, durability,
aesthetics, economy, and safety. The overallrating was 4.24 out of 5, which indicates that
the prototype worked well. This research offers a potential solution for a more versatile
and efficient tool for working with hexagonal socket fittings.

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