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  2. Deep hole drilling - Wikipedia

    en.wikipedia.org/wiki/Deep_hole_drilling

    The ejector drilling process was developed as deep hole drilling technology which can be used on conventional machine tools. The use of single-lip deep hole drilling is particularly common on machining centres in series production. On the right you can see schematic drawings of conventional deep hole drilling machines. [1]

  3. Boring (manufacturing) - Wikipedia

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

    The boring bar is the protruding arm of the machine that holds the cutting tool(s), and must be very rigid. [2] Because of the factors just mentioned, deep-hole drilling and deep-hole boring are inherently challenging areas of practice that demand special tooling and techniques. Nevertheless, technologies have been developed that produce deep ...

  4. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    The tube clamping device is a metallic device that is clamped on the tube with an adjustable chain. After clamping the device the magnetic drilling machine is placed on the device, which gets clamped to the device by switching on its magnet. With the help of magnetic drilling machines' proper RPM, the annular cutter makes a perfect hole in the ...

  5. Gun drill - Wikipedia

    en.wikipedia.org/wiki/Gun_drill

    A gun drilling machine drilling holes in steel. There are three basic types of deep hole drilling. [2] Processes are categorized by how the cutting coolant flushes heat and chips from the cutting face. The three types of deep drilling are: Gun drilling - The cutting tool is a fluted solid rod that has a hole bored down the center.

  6. New drilling technologies - Wikipedia

    en.wikipedia.org/wiki/New_drilling_technologies

    Producing boreholes with wide range of diameters or drilling in water environment can be mentioned. The research team from Slovakia has developed drilling concept based on utilization of electrical plasma. The core of the research is held in Research Centre for Deep Drilling which was opened in the premises of Slovak Academy of Sciences.

  7. Deep hole drilling measurement technique - Wikipedia

    en.wikipedia.org/wiki/Deep_hole_drilling...

    The deep hole drilling (DHD) measurement technique is a residual stress measurement technique used to measure locked-in and applied stresses in engineering materials and components. [1] DHD is a semi-destructive mechanical strain relaxation (MSR) technique, which seeks to measure the distribution of stresses along the axis of a drilled ...

  8. Boring (earth) - Wikipedia

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

    Boring is drilling a hole, tunnel, or well in the Earth. It is used for various applications in geology , agriculture , hydrology , civil engineering , and mineral exploration . Today, most Earth drilling serves one of the following purposes:

  9. Raise borer - Wikipedia

    en.wikipedia.org/wiki/Raise_borer

    A schematic overview of the machinery used irony a raised boring. A raise borer is a machine used in underground mining, to excavate a circular hole between two levels of a mine without the use of explosives. The raise borer is set up on the upper level of the two levels to be connected, on an evenly laid platform (typically a concrete pad).

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