Общий каталог Lamina Technologies 2019 - 2020 - страница 183
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Общий каталог Lamina Technologies 2017 - 2018
THREAD HELIX ANGLE STANDARD AND SLANTED ANVILS
4° 3° 2° TPI
| 5 | 5 | Lamina Toolholder Pockets are built with 1.5° helix angle. This angle may be adjusted to better |
| match the thread helix angle by simply changing the anvil. | ||
| 4 | 1° 6 | |
| Negative helix is usually used when threading RH thread with LH holder or LH thread with RH | ||
| holder. | ||
| 3 | β 8 | |
| 2.5 | 10 |
β Negative β
| 2 | 12 | Helix | |
| 1.5 | 16 | y | y |
| Insert | Insert | ||
| 1 | 24 | Anvil | Anvil |
| 48 | Toolholder | Toolholder | |
| 0.5 | |||
| mm | Diameter |
| inch | 10 | 20 | 30 | 40 | 50 | 60 | 75 |
| 3/8 | 3/4 | 1.25 | 1.5 | 2 | 2.5 | 3 |
| L | IC | POCKET ANGLE Y | 4.5° | 3.5° | 2.5° | 1.5° STANDARD | 0.5° | -0.5° | -1.5° |
| 16 | 3/8 | EX-RH or IN-LH | SHIM 16E+4.5 | SHIM 16E+3.5 | SHIM16E+2.5 | SHIM 16E | SHIM 16E+0.5 | SHIM 16E-0.5 | SHIM 16E-1.5 |
| 16 | 3/8 | EX-LH or IN-RH | SHIM 16I+4.5 | SHIM 16I+3.5 | SHIM 16I+2.5 | SHIM 16I | SHIM 16I+0.5 | SHIM 16I-0.5 | SHIM 16I-1.5 |
| 22 | 1/2 | EX-RH or IN-LH | SHIM 22E+4.5 | SHIM 22E+3.5 | SHIM 22E+2.5 | SHIM 22E | SHIM 22E+0.5 | SHIM 22E-0.5 | SHIM 22E-1.5 |
| 22 | 1/2 | EX-LH or IN-RH | SHIM 22I+4.5 | SHIM 22I+3.5 | SHIM 22I+2.5 | SHIM 22I | SHIM 22I+0.5 | SHIM 22I-0.5 | SHIM 22I-1.5 |
P
P
Simplified formula
β = 20P/D D
Example: