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  2. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    Grinding wheel on a grinding machine. Excessive spindle speed will cause premature tool wear, breakages, and can cause tool chatter, all of which can lead to potentially dangerous conditions. Using the correct spindle speed for the material and tools will greatly enhance tool life and the quality of the surface finish.

  3. Surface grinding - Wikipedia

    en.wikipedia.org/wiki/Surface_grinding

    The grinding wheel rotates in the spindle head and is also adjustable for height, by any of the methods described previously. Modern surface grinders are semi-automated, depth of cut and spark-out may be preset as to the number of passes and, once set up, the machining process requires very little operator intervention.

  4. CNC machine tool monitoring by AE sensors - Wikipedia

    en.wikipedia.org/wiki/CNC_machine_tool...

    It is used especially with solid carbide tools, or very small tools on large machines and multi spindles. Most of the sensors have to be attached to the machine tool surface. [10] However, there are alternative methods of AE wave transmitting. A rotating, wireless AE sensor consists of a rotating sensor and a fixed receiver. [11]

  5. Spindle (tool) - Wikipedia

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

    A machine tool may have several spindles, such as the headstock and tailstock spindles on a bench lathe. The main spindle is usually the biggest one. References to "the spindle" without further qualification imply the main spindle. Some machine tools that specialize in high-volume mass production have a group of 4, 6, or even more main spindles.

  6. End mill - Wikipedia

    en.wikipedia.org/wiki/End_mill

    Grinding inside the machine is accomplished with abrasive wheels mounted on a spindle (and in some cases, multiple spindles). Depending on what material is being ground, these wheels are made with industrial diamond (when grinding tungsten carbide ), cubic boron nitride (when grinding cobalt steel), and other materials (when grinding, for ...

  7. Jig grinder - Wikipedia

    en.wikipedia.org/wiki/Jig_grinder

    A jig grinder is a machine tool used for grinding complex shapes and holes where the highest degrees of accuracy and finish are required. The jig grinder is very similar to a jig borer, in that the table positioning and spindles are very accurate (far more so than a manual milling machine or lathe). It is used almost exclusively by tool and die ...

  8. Chuck (engineering) - Wikipedia

    en.wikipedia.org/wiki/Chuck_(engineering)

    A backplate with threads may screw onto a threaded spindle nose (for lathe work) or onto an adapter plate with the same nose, to be mounted on the table of milling machines or surface grinding machines. This "threaded spindle nose" type of mounting was the typical method in the 19th century through 1930s.

  9. Grinding wheel - Wikipedia

    en.wikipedia.org/wiki/Grinding_wheel

    To use the grinding wheel it must first be clamped to the grinding machine. The wheel type ( e.g. cup or plain wheel below) fit freely on their supporting arbors, the necessary clamping force to transfer the rotary motion being applied to the wheels side by identically sized flanges (metal discs).

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