INNER GEAR / SPLINE | ||||
Drawing or article number | LK-SH-5002019008 | |||
Number of teeth | z | 16 | ||
Tooth width (mm) | b | 11 | ||
Normal module (mn) | mn | 0.69 | ||
Helix angle (°) | beta | 0°0’0’’ (0.0000) | ||
Hand of gear | Spur gear / spline | |||
Pressure angle at normal section (°) | alfn | 30°0’0’’ (30.0000) | ||
Material | 1.6587 / 18CrNiMo7-6 | |||
Reference profile | ||||
Addendum coefficient | haP * | 0.45 | ||
Dedendum coefficient | hfP * | 0.6 | ||
Root fillet factor | pf * | 0.16 | ||
Root fillet radius | pf | 0.24 | ||
Accuracy grade ISO 1328 | 6 | |||
Tooth profile total deviation (μm) | Fa | 7.5 | ||
Total deviation of helix (μm) | Fβ | 11 | ||
Individual circular pitch error (μm) | fpt | 7 | ||
Total cumulative pitch error (μm) | Fp | 20 | ||
Profile shape deviation (μm) | ffa | 5.5 | ||
Radial runout (μm) | fr | 16 | ||
Profile shift coefficient | x | 0.04 | ||
Reference diameter (mm) | d | 43.5 | ||
Tip diameter (mm) | da | 45.42 | ||
Root diameter(mm) | df | 43.5 | ||
Number of teeth spanned | k | 5 | ||
Base tangent length (mm) | Wk | 20.45 | ||
Pin diameter (mm) | Dmeff | 2.5 | ||
Dimension over two pins | M | 40.114 | ||
EXTERNAL HELICAL GEAR | ||||
Drawing or article number | LK-SH-5002019008 | |||
Number of teeth | z | 20 | ||
Tooth width (mm) | b | 60 | ||
Normal module (mn) | mn | 5.00 | ||
Helix angle (°) | beta | 15°0’0’’ (15.0000) | ||
Hand of gear | Helical gear | |||
Pressure angle at normal section (°) | alfn | 20°0’0’’ (20.0000) | ||
Material | 1.6587 / 18CrNiMo7-6 | |||
Reference profile 1.25 / 3.0 / 1.0 DIN 867:1986 | ||||
Addendum coefficient | haP * | 1.000 | ||
Dedendum coefficient | hfP * | 1.250 | ||
Accuracy grade according DIN3961 | 6 | |||
Tooth profile total deviation (μm) | Fa | 13 | ||
Total deviation of helix (μm) | Fβ | 14 | ||
Individual circular pitch error (μm) | fpt | 9 | ||
Total cumulative pitch error (μm) | Fp | 28 | ||
Profile shape deviation (μm) | ffa | 10 | ||
Radial runout (μm) | fr | 22 | ||
Profile shift coefficient | x | 0.453 | ||
Reference diameter (mm) | d | 110.00 | ||
Tip diameter (mm) | da | 118.058 | ||
Root diameter(mm) | df | 95.558 | ||
Number of teeth spanned | k | 3 | ||
Base tangent length (mm) | Wk | 11.016 |
Machanics performance test | ||||
Tensile strength | Rm(N/mm²) | 1300 | ||
Yield strength | Rp0.2(N/mm²) | 1150 | ||
Broken of elongation | A(%) | 16 | ||
Reduction of area | Z(%) | 69 | ||
Microstructure | ||||
C | 1 | |||
M | 1 | |||
A | 1 | |||
F | 1 | |||
Material heat treatment | ||||
Surface hardness | 60 HRC | |||
CHD | 1.1 mm | |||
Core hardness | 40 HRC |