| Abbreviation |
Description |
| 3AT |
Atlas Lathe Collet |
| 3C |
SB 9 Collet |
| MT |
Morse Taper (sizes 0MT, 1MT...7MT) |
| 5C |
10L Lathe Collet |
| 6K |
10K Lathe Collet |
| R8 |
Common Milling Machine Collet |
| AXA |
A wedge locking QCTP (AX is the piston type) from Aloris. Now widely
copied. |
| BMS |
Bright Mild Steel |
| CG |
Change gear(s) |
| CI |
Cast Iron |
| CLOCK |
Dial Indicator |
| CNC |
Computer Numerical Control |
| CRS |
Cold Rolled Steel (1018, 12L14, etc) |
| D1- |
Cam locking lathe spindle adapters. Comes in different sizes (D1-4,
D1-6, D1-8 etc.) |
| DIR |
Dial Indicating Readout |
| DRO |
Digital Read Out |
| ER25,ER32,ER40 … |
A more modern type of collet found in newer design milling spindles. |
| HDPE |
High Density Polyethylene |
| HMD |
Horizontal Motor Drive |
| HRS |
Hot Rolled Steel (A36, etc) |
| HSS |
High Speed Steel |
| HTRAL |
How to Run a Lathe (classic book by South Bend) |
| IC |
Included center(?) |
| JT |
Jacobs Taper, a non releasing taper for attaching chucks
to arbors. Comes in different sizes. |
| NEMA |
National Electrical Manufacturers Association |
| PGMS |
Polished & Ground Mild Steel |
| PTFE |
PolyTetraFluoroEthylene (Teflon) |
| QC |
Quick Change |
| QCGB |
Quick Change Gearbox |
| QCTH |
Quick Change Tool Holder |
| RPC |
Rotary Phase Converter |
| SBL |
South Bend Lathe. |
| SS |
Stainless Steel -or- Silver Steel (British term for drill rod) |
| TDI |
Thread Dial Indicator |
| TGP |
Turned, ground, and polished |
| TIR |
Total Indicator Reading |
| TPI |
Thread per Inch |
| TSP |
Tri-sodium Phosphate (cleaner) |
| UMD |
Underneath Drive Motor (Under Machine Drive) |
| UWMW |
Ultrahigh Molecular Weight Polyethylene |
| VFD |
Variable Frequency Drive |
