Page 4 of PS Plastic Spur Gears by KHK Stock Gears

plastic spur gears specifications precision grade gear teeth pressure angle material heat treatment jis n9 grade jis b1702-1 1998 old jis 5 grade jis b1702 1976 tooth hardness surface treatment tooth surface finish 115~120hrr cut standard full depth 20° mc901 datum reference surface bore for gear cutting secondary operations possible shape s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 allowable torque n.m note 2 bending strength allowable torque kgf.m bending strength 0.1413 0.1562 0.1823 0.2111 0.2387 0.2664 0.2814 0.2967 0.3244 0.3528 0.3832 0.4305 0.4468 0.5100 0.5899 0.6396 0.6734 0.7509 0.8302 0.9086 0.9885 1.0700 1.1480 1.2270 1.3070 1.3870 1.4690 backlash mm note 3 weight kgf 0.009 0.010 0.013 0.018 0.019 0.028 0.029 0.030 0.035 0.045 0.045 0.050 0.059 0.065 0.078 0.086 0.092 0.110 0.130 0.150 0.170 0.190 0.220 0.250 0.270 0.300 0.340 catalog no ps1.5 15 ps1.5 16 ps1.5 18 ps1.5 20 ps1.5 22 ps1.5 24 ps1.5 25 ps1.5 26 ps1.5 28 ps1.5 30 ps1.5 32 ps1.5 35 ps1.5 36 ps1.5 40 ps1.5 45 ps1.5 48 ps1.5 50 ps1.5 55 ps1.5 60 ps1.5 65 ps1.5 70 ps1.5 75 ps1.5 80 ps1.5 85 ps1.5 90 ps1.5 95 ps1.5-100 01.386 01.532 01.788 02.070 02.341 02.612 02.760 02.910 03.181 03.460 03.758 04.222 04.382 05.001 05.785 06.272 06.604 07.364 08.141 08.910 09.694 10.490 11.260 12.030 12.820 13.600 14.410 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.14 0.16 0.16 0.16 0.16 0.16 0.16 0.16 0.16 0.16 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.32 0.32 0.32 0.32 0.32 0.32 0.32 0.32 0.32 0.36 0.36 0.36 0.36 0.36 0.36 0.36 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 s1 2.247 2.589 2.956 3.285 3.630 4.238 4.908 5.548 6.193 6.541 6.896 7.540 8.201 0.2291 0.2640 0.3014 0.3350 0.3702 0.4322 0.5005 0.5657 0.6315 0.6670 0.7032 0.7689 0.8363 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.18 0.20 0.20 0.20 0.34 0.34 0.34 0.34 0.34 0.34 0.34 0.34 0.34 0.34 0.36 0.36 0.36 0.011 0.013 0.015 0.016 0.022 0.029 0.032 0.043 0.052 0.059 0.062 0.074 0.087 ps2-12 ps2-13 ps2-14 ps2-15 ps2-16 ps2-18 ps2-20 ps2-22 ps2-24 ps2-25 ps2-26 ps2-28 ps2-30 0.9082 s5 08.906 0.072 0.20 0.36 psa2 32 1.0200 s5 10.000 0.086 0.20 0.36 psa2 35 1.0590 s5 10.390 0.089 0.20 0.36 psa2 36 1.2090 s5 11.860 0.110 0.20 0.36 psa2 40 1.3980 s5 13.710 0.150 0.20 0.36 psa2 45 1.5160 s5 14.870 0.160 0.20 0.36 psa2 48 1.5960 s5 15.650 0.180 0.20 0.36 psa2 50 1.7800 s5 17.460 0.220 0.22 0.38 psa2 55 0.38 0.280 1.9680 s5 19.300 0.22 psa2 60 2.1540 s5 21.120 0.300 0.22 0.38 psa2 65 2.3430 s5 22.980 0.350 0.22 0.38 psa2 70 2.5360 s5 24.870 0.410 0.22 0.38 psa2 75 0.38 0.460 2.7210 s5 26.680 0.22 psa2 80 2.9080 s5 28.520 0.520 0.22 0.38 psa2 85 3.0980 s5 30.380 0.590 0.22 0.38 psa2 90 3.2890 s5 32.250 0.650 0.22 0.38 psa2 95 3.4820 s5 34.150 0.720 0.22 0.38 psa2-100 note 2 the allowable torques shown in the table are calculated values using the lewis formula please see page 27 for more details note 3 the backlash values shown in the table are the theoretical values of a pair of identical gears in mesh 119 spur gears p s p s a

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