| A | B |
|---|
| turning | cutting diameters |
| pitch | the number of threads or teeth per inch |
| knurling | imprinting a diamond shape pattern on part |
| necking | cutting any specific shape into part |
| shoulder | where 2 diameters meet |
| formula -cutting speed on lathe | (CS x 4)/D |
| calculate pitch | 1/N |
| calculate reaming on the lathe | ((cs x 4)/D) / 2 |
| threrading | involves the lead screw |
| main divisions | index lead screw for an odd # of threads |
| set compound reast at this when chasing Unified threads | 61 or 29 |
| T. D. S. | tap drill size |
| determines the form of a threading tool | center gauge |
| crossfeed, tailstock, compound, and longitude | hand wheels used on the lathe |
| size of the engine lathe | determined by swing and length of bed |
| RPM formula for countersinking and counterboring | ((cs x 4)/D) / 4 |
| metric RPM formula | (CS x 320)/D |
| T. D. S. formula | D - 1/N |
| drill used to spot a hole | center drill |
| tool used to mark a hole location | center punch |
| NOT a drill size category | decimal |
| RPM for running a center drill | 1200 to 1500 |
