Determinare l' andamento del momento M di una manovella di una macchina motrice alternativa in un periodo, essendo :
Questa relazione si puņ facilmente ricavare dallo studio trigonometrico della figura seguente :
| q | Mre | Mid |
| 0 | 0 | 0 |
| 10 | 25.98385 | 21.70602 |
| 20 | 50.80623 | 42.75252 |
| 30 | 73.37985 | 62.5 |
| 40 | 92.76155 | 80.34845 |
| 50 | 108.2127 | 95.75556 |
| 60 | 119.2446 | 108.2532 |
| 70 | 125.6422 | 117.4616 |
| 80 | 127.4616 | 123.101 |
| 90 | 125 | 125 |
| 100 | 118.7403 | 123.101 |
| 110 | 109.281 | 117.4616 |
| 120 | 97.26173 | 108.2532 |
| 130 | 83.29839 | 95.75556 |
| 140 | 67.93535 | 80.34845 |
| 150 | 51.62015 | 62.5 |
| 160 | 34.69881 | 42.75252 |
| 170 | 17.42819 | 21.70602 |
| 180 | 1.53E-14 | 1.53E-14 |
| 190 | -17.4282 | -21.706 |
| 200 | -34.6988 | -42.7525 |
| 210 | -51.6201 | -62.5 |
| 220 | -67.9354 | -80.3485 |
| 230 | -83.2984 | -95.7556 |
| 240 | -97.2617 | -108.253 |
| 250 | -109.281 | -117.462 |
| 260 | -118.74 | -123.101 |
| 270 | -125 | -125 |
| 280 | -127.462 | -123.101 |
| 290 | -125.642 | -117.462 |
| 300 | -119.245 | -108.253 |
| 310 | -108.213 | -95.7556 |
| 320 | -92.7616 | -80.3485 |
| 330 | -73.3799 | -62.5 |
| 340 | -50.8062 | -42.7525 |
| 350 | -25.9839 | -21.706 |
| 360 | -3.1E-14 | -3.1E-14 |
| q | Mre | Mid |
| 0 | 0 | 0 |
| 10 | 12.99193 | 10.85301 |
| 20 | 25.40311 | 21.37626 |
| 30 | 36.68993 | 31.25 |
| 40 | 46.38078 | 40.17423 |
| 50 | 54.10636 | 47.87778 |
| 60 | 59.62231 | 54.12659 |
| 70 | 62.8211 | 58.73079 |
| 80 | 63.73082 | 61.55048 |
| 90 | 62.5 | 62.5 |
| 100 | 59.37015 | 61.55048 |
| 110 | 54.64048 | 58.73079 |
| 120 | 48.63087 | 54.12659 |
| 130 | 41.64919 | 47.87778 |
| 140 | 33.96768 | 40.17423 |
| 150 | 25.81007 | 31.25 |
| 160 | 17.3494 | 21.37626 |
| 170 | 8.714095 | 10.85301 |
| 180 | 7.66E-15 | 7.66E-15 |
| 190 | -8.71409 | -10.853 |
| 200 | -17.3494 | -21.3763 |
| 210 | -25.8101 | -31.25 |
| 220 | -33.9677 | -40.1742 |
| 230 | -41.6492 | -47.8778 |
| 240 | -48.6309 | -54.1266 |
| 250 | -54.6405 | -58.7308 |
| 260 | -59.3701 | -61.5505 |
| 270 | -62.5 | -62.5 |
| 280 | -63.7308 | -61.5505 |
| 290 | -62.8211 | -58.7308 |
| 300 | -59.6223 | -54.1266 |
| 310 | -54.1064 | -47.8778 |
| 320 | -46.3808 | -40.1742 |
| 330 | -36.6899 | -31.25 |
| 340 | -25.4031 | -21.3763 |
| 350 | -12.9919 | -10.853 |
| 360 | -1.5E-14 | -1.5E-14 |
Data ultimo aggiornamento 20/08/98
Aggiornato da Claudio Perciballi
Indirizzo di posta elettronica: cperciballi@sinergia.it
