Research Article
Experimental Investigations of Noise Control in Planetary Gear Set by Phasing
Table 2
Mechanical properties of Nylon-6 gear box.
| Mechanical properties | ASTM test method | Units | Nylon 6/6 | Nylon 6/6 GF30 |
| Tensile strength 73°F | D638 | psi | 12,400 | 27,000 | Elongation 73°F | D638 | % | 90 | 3 | Flexural strength, 73°F | D790 | psi | 17,000 | 39,100 | Flexural modulus, 73°F | D790 | psi | 4.1 × 105 | 12 × 105 | Izod impact strength, Notched, 73°F | D256 | — | R120-M79 | M101 | Rockwell hardness | D785 | ft-lbs/in. | 1.2 | 2.1 |
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