Spindle: A rotating device widely used in machine tools such as lathes, milling machines, drill presses and so forth, to hold the cutting tools or the work and to give them their rotation.

 

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Spindle: A rotating device widely used in machine tools such as lathes, milling machines, drill presses and so forth, to hold the cutting tools or the work and to give them their rotation.

Mitotic Spindle: A network of microtubules formed during prophase. Some microtubules attach to the centromeres of the chromosomes and help draw the chromosomes apart during anaphase.

Spindle Speed: The RPM at which a machine is set.

Spindle Apparatus: Microtubule construction that aligns and segregates chromosomes during eukaryotic cell division.

Tang: The flat on the shank of a cutting tool, such as a drill, reamer or end mill, that fits a slot in the spindle of a machine to keep the tool from slipping. Also, the part of a file that fits . . . View Full Definition

Drift: The number of boards that you vary from straight in your approach to the foul line. For example, if you place the inside edge of your slide foot on board 15 on the approach, but your inside . . . View Full Definition

Drill Sleeve: An adapter with an internal and external taper which fits tapered shank tools such as drills or reamers to adapt them to a larger size machine spindle.

Grand Pas Daction: Literally, big or large step. A Grand pas is a suite of individual dances that serves as a showpiece for lead dancers, demi-soloists, and possibly the corps de ballet. In the context of a fu . . . View Full Definition

Arbor: A shaft or spindle for holding cutting tools: most usually on a milling machine.

Centromere: A specialized region on each chromatid to which kinetochores and sister chromatids attach.