No | Type | Gear Form | Modulus (m1/m2) | Transmission Ratio | Centre Distance(mm) | Torsion KN/m |
1 | API228 | Double Circular Arc Tooth Profile /Involute | 4/6 | 31.62 | 850 | 26 |
2 | API320 | Double Circular Arc Tooth Profile /Involute | 5/8 | 32.47 | 950 | 37 |
3 | API456 | Double Circular Arc Tooth Profile /Involute | 5/8 | 31.35 | 1050 | 53 |
4 | API640 | Double Circular Arc Tooth Profile /Involute | 6/10 | 31.32 | 1200 | 73 |
5 | API912 | Double Circular Arc Tooth Profile /Involute | 7/10 | 31.034 | 1300 | 105 |
6 | 114D | Double Circular Arc Tooth Profile /Involute | 3/5 | 29.818 | 650 | 13 |
7 | 160D | Double Circular Arc Tooth Profile /Involute | 4/6 | 28.506 | 750 | 26 |
8 | 228D | Double Circular Arc Tooth Profile /Involute | 4.5/7 | 28.87 | 850 | 26 |
9 | 320D | Double Circular Arc Tooth Profile /Involute | 5/8 | 28.82 | 950 | 37 |
10 | 456D | Double Circular Arc Tooth Profile /Involute | 6/9 | 28.25 | 975 | 53 |
11 | 640D | Double Circular Arc Tooth Profile /Involute | 6/10 | 27.21 | 1050 | 73 |
12 | 912D | Double Circular Arc Tooth Profile /Involute | 7/10 | 31.034 | 1300 | 105 |


