Business / Machine Shop / 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

Science / Biology / 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. MORE

Spindle Apparatus

Science / Biology / Spindle Apparatus: Microtubule construction that aligns and segregates chromosomes during eukaryotic cell division. MORE

Spindle Speed

Business / Machine Shop / Spindle Speed: The RPM at which a machine is set. MORE

Back Gears

Business / Machine Shop / Back Gears: Gears fitted to a machine to increase the number of spindle speeds obtainable with a cone or step pulley belt drive. MORE

Morse Taper

Business / Machine Shop / Morse Taper: A self-holding standard taper largely used on small cutting tools such as drills, end mills and reamers and, on some machines, spindles in which these tools are used. MORE


Business / Machine Shop / Leadscrew: The long, precision screw located in front of the lathe bed geared to the spindle and used for cutting threads. Also, the table screw on the universal milling machine when geared to the indexing head MORE