EXTERNAL HELICAL GEAR / Sprocket / Chain gear | |||
Drawing or article number | LK-SS-1112019008 | ||
Number of teeth | z | 36 | |
Tooth width (mm) | b | 30.3 | |
Pitch (mn) | mn | 11.11 | |
Helix angle (°) | beta | 0°0’0’’ (0.0000) | |
Hand of gear | Spur gear | ||
Pressure angle at normal section (°) | alfn | ||
Material | 1.6587 / 18CrNiMo7-6 | ||
Material heat treatment | |||
Surface hardness | 55 HRC | ||
CHD | 0.6 mm | ||
Core hardness | 40 HRC |
Machanics performance test | ||
Tensile strength | Rm(N/mm²) | 1252 |
Yield strength | Rp0.2(N/mm²) | 1105 |
Broken of elongation | A(%) | 13.5 |
Reduction of area | Z(%) | 64 |
Microstructure | ||
C | 1 | |
M | 1 | |
A | 1 | |
F | 1 |