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Hand Tools

UCI Media・25 minutes read

Instructor Robert Smitty Smith discusses basic hand tools for shop workers, including hammers, punches, squares, files, drills, reamers, taps, screwdrivers, wrenches, socket wrenches, torque wrenches, pliers, and chuck types for drills. Each tool serves a specific purpose in the shop environment, from shaping metal to drilling precise holes with accurate torque application.

Insights

  • The instructor, Robert Smitty Smith, provides a comprehensive overview of essential hand tools for new shop workers, covering a wide range of tools such as hammers, squares, files, drills, reamers, taps, screwdrivers, wrenches, socket wrenches, extensions, sockets, and pliers, emphasizing the importance of each tool in various tasks related to metalworking and construction.
  • Detailed discussions on specialized tools like step drills for plastics and thin sheet metal, counter sinking tools for smoothing hole edges, and 8-point sockets for square nuts highlight the instructor's focus on equipping shop workers with a diverse toolkit to handle different materials and fasteners effectively, showcasing the instructor's commitment to providing practical and in-depth knowledge for skill development in the workshop environment.

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Recent questions

  • What are the basic hand tools for new shop workers?

    Hammers, centering punch, machinist square, scribe, files, drills, step drills, counter sinking tool, hand reamers, taps, tap handle, screwdrivers, wrenches, socket wrenches, extensions, 8-point socket, torque wrench, pliers, chuck types.

  • How are drills categorized for making holes?

    Electric hand drills, drill presses, step drills, counter sinking tool.

  • What is the purpose of a tap handle?

    Aid in the threading process.

  • What are the different types of screwdrivers?

    Straight blade, Phillips tip.

  • What is the function of pliers in a workshop?

    Serve specific purposes.

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Summary

00:00

Essential Hand Tools for Engineering Shop Workers

  • Robert Smitty Smith is the instructor at the Engineering Tower's shop, discussing basic hand tools for new shop workers.
  • The first tools discussed are hammers, including a ball peen hammer and a carpenter's hammer with a claw for nail extraction.
  • A centering punch is used to create a dimple for accurate hole drilling by striking it with a hammer.
  • A machinist square is used for checking squareness and drawing perpendicular lines, while a scribe is used for marking straight lines.
  • Files, including small and large ones, are used for shaping and removing metal, with a file comb for unclogging them.
  • Drills, both electric hand drills and drill presses, are essential for making holes, with a drill set containing wire gauge, letter, and fractional sizes.
  • Step drills are specialized for drilling in plastics and thin sheet metal, while a counter sinking tool smoothens hole edges.
  • Hand reamers enlarge holes, taps cut threads into holes, and a tap handle aids in the threading process.
  • Screwdrivers, including straight blade and Phillips tip ones, are used for turning screw fasteners, with different sizes denoted by numbers.
  • Wrenches, such as adjustable wrenches, open-end wrenches, box-end wrenches, and combination wrenches, are crucial for turning fasteners with varying torque requirements.

18:32

Essential Tools for Precision Torque Application

  • A socket wrench consists of a handle and a socket, capable of transmitting high torque without a ratcheting mechanism.
  • Socket wrenches come in different drive sizes, such as quarter-inch, 3/8-inch, and 1/2-inch, each suitable for varying torque requirements.
  • Extensions can be added to socket wrench drives to reach deeper areas, with Sixpoint drives offering maximum torque capabilities.
  • An 8-point socket is specialized for square nuts, which are cost-effective compared to hex nuts in certain equipment.
  • A torque wrench, like the beam type, is essential for precise torque application, with scales in newton meters and foot-pounds for accurate readings.
  • Proper use of a torque wrench involves knowing the torque limit, lubrication requirements, and smoothly reaching the desired torque level.
  • Pliers come in various types, including diagonal cutters, linesman pliers, slip joint pliers, wire cutters, duck bill pliers, and snap ring pliers, each serving specific purposes.
  • Chuck types for drills include keyless chucks, tightened by hand, and key chucks, requiring a key for tightening and loosening drill bits.
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