A | B |
adapter | A tool that provides a means of fittinf the shank of a cutting tool into the spindle. |
alignment | Setting points in line of adjustment. |
tolerance | the minimum or maximum interference permitted between parts. |
burr | The thin edge on a machined or ground surface left by the cutting tool. |
bushing | A sleeve or liner for a bearing. |
cam | A device that converts rotary motion to straight-line motion. |
chamfer | A bevelled edge or a cut-off corner. |
concentricity | The condition where all diameters of a shaft have a common center or axis. |
counterbore | A tool used to enlarge a hole through part of its length. |
countersink | A tool used to recess a hole conically for the head of a screw or rivet. |
cutting speed | The speed in feet or meters per minute at which the cutting tool passes the work. |
drill chuck | A holding device used to hold and drive straight-shank cutting tools. |
finishing | Machining a surface to size with a fine feed produced in a lathe, milling machine, or grinder. |
heat-treating | A process that combines the controlled heating and cooling of a metal or alloy to change its microstructure. |
malleability | The property of metal that allows it to be hammered or rolled into other sizes and shapes. |
orthographic view | The representation of a three-dimensional view of an object in a single plane. |
pitch | The distance from the center of one thread to the corresponding point on the next thread. |
section view | A view that shows the interior detail of a part that is too complicated to show by outside views. |
sequence of operations | The order of steps to be taken to successfully machine a part. |
taper | A uniform increase or decrease in the diameter of a piece of work measured along its length. |