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Glossary Test #12
Shear - Wrought Iron
| Question | Answer |
|---|---|
| Shear | to cut metal by means of shearing with two blades in sliding contact |
| Shearardize | to galvanize a piece with a coating of zinc by heating it in a drum with zinc powder, to a temperature of 575 - 850 degrees F |
| Shim | a thin piece of metal or other material used as a spacer in adjusting two parts |
| Solder | to join with solder, usually composed of lead and tin |
| Spin | to form a rotating piece of sheet metal into a desired shape by pressing it with a smooth tool against a rotating form |
| Spline | a keyway, usually one of a series cut around a shaft or hole |
| Spotface | to produce a round spot or bearing surface around a hole, usually with a spotfacer. The spotface may be on top of a boss or it may be sunk into the surface. |
| Sprue | a hole in the sand leading to the gate, which leads to the mold, through which the metal enters |
| Steel Casting | like cast iron casting except that in the furnace scrap steel has been added to the casting |
| Swage | to hammer metal into shape while it is held over a swage, or die, which fits in a hole in the swage block, or anvil |
| Sweat | to fasten metal together by the use of solder between the pieces and by the application of heat and pressure |
| Tap | to cut relatively small internal threads with a tap |
| Taper | conical form given to a shaft or a hole. also refers to the slope of a plane surface |
| Taper Pin | a small tapered pin for fastening, usually to prevent a collar or hub from rotating on a shaft |
| Taper Reamer | a tapered reamer for producing accurate tapered holes, as for a taper pin |
| Temper | to reheat hardened steel to bring it to a desired degree of hardness |
| Template or templet | a guide or pattern used to mark out the work, guide the tool in cutting it, or check the finished product |
| Tin | a silvery metal used in alloys and for coating other metals, such as tin plate |
| Tolerance | total amount of variation permitted in limit dimension of a part |
| Trepan | to cut a circular groove in the flat surface at one end of a hole |
| Tumble | to clean rough castings or forgings in a revolving drum filled with scrap metal |
| Turn | to produce, on a lathe, a cylindrical surface parallel to the centerline |
| Twist Drill | a drill for use in a drill press |
| Undercut | a recessed cut or a cut with inwardly sloping sides |
| Upset | to form a head or enlarged end on a bar or rod by pressure or by hammering between dies |
| Web | a thin flat part joining larger parts. also known as a rib |
| Weld | Uniting metal pieces by pressure or fusion welding processes |
| Woodruff (key) | a semicircular flat key |
| Wrought Iron | iron of low carbon content useful because of its toughness, ductility, and malleability |
Created by:
tmay3810
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