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2. ASME B5 - Wikipedia

   en.wikipedia.org/wiki/ASME_B5

   B5 was sponsored by the National Machine Tool Builders’ Association, the Society of Automotive Engineers, Metal Cutting Tool Institute, and The American Society of Mechanical Engineers. [ 4 ] On December 2, 1937, the standard for Adjustable Adapters for Multiple Spindle Drilling Heads this standard was approved by the American Standards ...

3. Multiaxis machining - Wikipedia

   en.wikipedia.org/wiki/Multiaxis_machining

   Multiaxis machining is a manufacturing process that involves tools that move in 4 or more directions and are used to manufacture parts out of metal or other materials by milling away excess material, by water jet cutting or by laser cutting. This type of machining was originally performed mechanically on large complex machines.

4. Spindle (tool) - Wikipedia

   en.wikipedia.org/wiki/Spindle_(tool)

   In machine tools, a spindle is a rotating axis of the machine, which often has a shaft at its heart. The shaft itself is called a spindle, but also, in shop-floor practice, the word often is used metonymically to refer to the entire rotary unit, including not only the shaft itself, but its bearings and anything attached to it (chuck, etc.).

5. Numerical control - Wikipedia

   en.wikipedia.org/wiki/Numerical_control

   The drum contains a drill head which consists of several spindles that are mounted on ball bearings and driven by gears. There are two types of attachments for these drill heads, fixed or adjustable, depending on whether the center distance of the drilling spindle needs to be varied. [10] Water jet cutter

6. Milling (machining) - Wikipedia

   en.wikipedia.org/wiki/Milling_(machining)

   The spindle can generally be lowered (or the table can be raised, giving the same relative effect of bringing the cutter closer or deeper into the work), allowing plunge cuts and drilling. The depth to which blades cut into the work can be controlled with a micrometer adjustment nut .

7. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   Such a drill bit is called a reduced-shank or blacksmith's drill. For example, this allows a 1 ⁄ 2 -inch (13 mm) bit to be used in a pistol-grip drill's 3 ⁄ 8 -inch (9.5 mm) chuck. One particular type of reduced-shank drill bits are Silver & Deming ( S&D ) bits, whose sets run from 9 ⁄ 16 -inch (14 mm) to 1 + 1 ⁄ 2 -inch (38 mm) drill ...