Общий каталог Lamina Technologies 2019 - 2020 - страница 183
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Общий каталог Lamina Technologies 2017 - 2018
TECHNICAL INFORMATION TECHNICAL INFORMATION 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 RHholder. 32.5 β 810212 β NegativeHelixβ 1.51 1624 y IAnnsveirlt y InsertAnvilToolholderToolholder 0.5 48 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 P 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 Tan β = πxD β 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 Simplified formula β = 20P/D D Example: D = 30 mm (1.18") P = 1.5 mm (16 TPI) 20 x 15 β= = 1° 30 362 363