| 目次へ ●標準平歯車の正面かみ合い率εa[α=20°] |
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| 歯数 Z2＼Z1 |
12 |
15 |
20 |
25 |
30 |
35 |
40 |
45 |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
110 |
120 |
| 12 |
1.42 |
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| 15 |
1.451 |
1.481 |
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| 20 |
1.489 |
1.519 |
1.557 |
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| 25 |
1.516 |
1.547 |
1.584 |
1.612 |
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| 30 |
1.537 |
1.567 |
1.605 |
1.633 |
1.654 |
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| 35 |
1.553 |
1.584 |
1.662 |
1.649 |
1.67 |
1.687 |
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| 40 |
1.567 |
1.597 |
1.635 |
1.663 |
1.684 |
1.7 |
1.714 |
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| 45 |
1.578 |
1.609 |
1.646 |
1.674 |
1.695 |
1.711 |
1.725 |
1.736 |
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| 50 |
1.588 |
1.618 |
1.656 |
1.683 |
1.704 |
1.721 |
1.734 |
1.745 |
1.755 |
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| 55 |
1.596 |
1.626 |
1.664 |
1.691 |
1.712 |
1.729 |
1.742 |
1.753 |
1.763 |
1.771 |
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| 60 |
1.603 |
1.633 |
1.671 |
1.698 |
1.719 |
1.736 |
1.749 |
1.76 |
1.77 |
1.778 |
1.785 |
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| 65 |
1.609 |
1.649 |
1.677 |
1.704 |
1.725 |
1.742 |
1.755 |
1.766 |
1.776 |
1.784 |
1.791 |
1.797 |
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| 70 |
1.614 |
1.645 |
1.682 |
1.71 |
1.731 |
1.747 |
1.761 |
1.772 |
1.781 |
1.789 |
1.796 |
1.802 |
1.808 |
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| 75 |
1.619 |
1.649 |
1.687 |
1.714 |
1.735 |
1.752 |
1.765 |
1.777 |
1.786 |
1.794 |
1.801 |
1.807 |
1.812 |
1.817 |
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| 80 |
1.623 |
1.654 |
1.691 |
1.719 |
1.74 |
1.756 |
1.77 |
1.781 |
1.79 |
1.798 |
1.805 |
1.811 |
1.817 |
1.821 |
1.826 |
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| 85 |
1.627 |
1.657 |
1.695 |
1.723 |
1.743 |
1.76 |
1.773 |
1.785 |
1.794 |
1.802 |
1.809 |
1.815 |
1.821 |
1.825 |
1.83 |
1.833 |
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| 90 |
1.63 |
1.661 |
1.699 |
1.726 |
1.747 |
1.764 |
1.777 |
1.788 |
1.798 |
1.806 |
1.813 |
1.819 |
1.824 |
1.829 |
1.833 |
1.837 |
1.84 |
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| 95 |
1.634 |
1.664 |
1.702 |
1.729 |
1.75 |
1.767 |
1.78 |
1.791 |
1.801 |
1.809 |
1.816 |
1.822 |
1.827 |
1.832 |
1.836 |
1.84 |
1.844 |
1.847 |
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| 100 |
1.636 |
1.667 |
1.705 |
1.732 |
1.753 |
1.77 |
1.783 |
1.794 |
1.804 |
1.812 |
1.819 |
1.825 |
1.83 |
1.835 |
1.839 |
1.843 |
1.846 |
1.85 |
1.853 |
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| 110 |
1.642 |
1.672 |
1.71 |
1.737 |
1.758 |
1.775 |
1.788 |
1.799 |
1.809 |
1.817 |
1.824 |
1.83 |
1.835 |
1.84 |
1.844 |
1.848 |
1.852 |
1.855 |
1.858 |
1.863 |
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| 120 |
1.646 |
1.676 |
1.714 |
1.742 |
1.762 |
1.779 |
1.792 |
1.804 |
1.813 |
1.821 |
1.828 |
1.834 |
1.84 |
1.844 |
1.849 |
1.852 |
1.856 |
1.859 |
1.862 |
1.867 |
1.871 |
| RACK |
1.701 |
1.731 |
1.769 |
1.797 |
1.817 |
1.834 |
1.847 |
1.859 |
1.868 |
1.876 |
1.883 |
1.889 |
1.894 |
1.899 |
1.903 |
1.907 |
1.911 |
1.914 |
1.917 |
1.922 |
1.926 |
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