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2. Boring (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Boring_(manufacturing)

   A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder.

3. Boring machine - Wikipedia

   en.wikipedia.org/wiki/Boring_machine

   Download as PDF; Printable version; In other projects ... move to sidebar hide. Boring machine may refer to: Boring machine (carpentry) A machine for ...

4. Machine tool - Wikipedia

   en.wikipedia.org/wiki/Machine_tool

   The Moore family firm, the Moore Special Tool Company, independently invented the jig borer (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible accuracy and precision in machine tools (second only to that of ...

5. Boring bar - Wikipedia

   en.wikipedia.org/wiki/Boring_bar

   Boring can be done on mills, lathes or drill press machines, either with a boring head or with just a boring tool. The shorter the distance between the tool holder and the material, the less distortion created from vibration or unbalanced gyroscopic effects. The greater the distance (static or dynamic mounts) the more flex in the tool or an ...

6. Multimachine - Wikipedia

   en.wikipedia.org/wiki/Multimachine

   These cylinder-boring operations can be done in almost any engine shop and at low cost. An engine machine shop provides the most inexpensive and accurate machine work commonly done anywhere and guarantees that the spindle and overarm will be perfectly aligned and at an exact right angle to the face (head surface) of the main engine block that ...

7. Tunnel boring machine - Wikipedia

   en.wikipedia.org/wiki/Tunnel_boring_machine

   One of the boring machines used for the Channel Tunnel between France and the United Kingdom. A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology.

8. Jig borer - Wikipedia

   en.wikipedia.org/wiki/Jig_borer

   The jig borer was a logical extension of manual machine tool technology that began to incorporate some then-novel concepts that would become routine with NC and CNC control, such as: coordinate dimensioning (dimensioning of all locations on the part from a single reference point);

9. Boring machine (carpentry) - Wikipedia

   en.wikipedia.org/wiki/Boring_machine_(carpentry)

   Before boring machines were invented, carpenters used hand-powered augers to bore holes. Most common were T-handled augers. The shape of the drill bits changed over time, with the spoon bit and shell bit being common before the invention of the spiral or twist bit in 1771 [1] which removes the cuttings as it turns. The exact origin of this ...