Scalpelli triconi e trilama
Massima qualità per lavori professionali
Ø | Peso consigliato |
---|---|
2″ 15/16 (73,6 mm) | 900 |
3″ 1/8 (79,4 mm) | 900 |
3″ 1/2 (88,9 mm) | 1.800 |
3″ 3/4 (95,3 mm) | 1.800 |
3″ 7/8 (98,4 mm) | 2.700 |
4″ 1/4 (108,0 mm) | 5.400 |
4″ 1/2 (114,3 mm) | 7.200 |
4″ 3/4 (120,7 mm) | 8.000 |
5″ 1/8 (130,2 mm) | 90.000 |
5″ 5/8 (142,9 mm) | 10.000 |
6″ 1/4 (158,8 mm) | 12.000 |
Terreni e rocce | Velocità consigliata |
---|---|
Molto teneri – teneri – media teneri | 70-110 giri/minuto |
Medi o variabili | 40-70 giri/minuto |
Medio duri – duri – molto duri | 30-50 giri/minuto |
N.B: le pressioni di velocità di rotazione sopraindicate hanno valore puramente indicativo. I parametri più adatti per le formazioni da attraversamento vanno determinati caso per caso, aumentando o diminuendo i valori vedi indicati nella tabella.
Pollici | 1 | 2 | 3 | 4 | 5 | 6 | |
---|---|---|---|---|---|---|---|
0.0 | 25.40 | 50.80 | 76.20 | 101.6 | 127.0 | 152.4 | |
1/16 | 1.59 | 26.99 | 52.39 | 77.79 | 103.2 | 128.6 | 154.0 |
1/8 | 3.18 | 28.58 | 53.98 | 79.38 | 104.8 | 130.2 | 155.6 |
3/16 | 4.76 | 30.16 | 55.56 | 80.96 | 106.4 | 131.8 | 157.2 |
1/4 | 6.35 | 31.75 | 57.15 | 82.55 | 108.0 | 133.4 | 158.8 |
5/16 | 7.94 | 33.34 | 58.74 | 84.14 | 109.5 | 134.9 | 160.3 |
3/8 | 9.53 | 34.93 | 60.33 | 85.73 | 111.1 | 136.5 | 161.9 |
7/16 | 11.11 | 36.51 | 61.91 | 87.31 | 112.7 | 138.1 | 163.5 |
1/2 | 12.70 | 38.10 | 63.50 | 88.90 | 114.3 | 139.7 | 165.1 |
9/16 | 14.29 | 39.69 | 65.09 | 90.49 | 115.9 | 141.3 | 166.7 |
5/8 | 15.88 | 41.28 | 66.68 | 92.08 | 117.5 | 142.9 | 168.3 |
11/16 | 17.46 | 42.86 | 68.26 | 93.66 | 119.1 | 144.5 | 169.9 |
3/4 | 19.05 | 44.45 | 69.85 | 95.25 | 120.7 | 146.1 | 171.5 |
13/16 | 20.64 | 46.04 | 71.44 | 96.84 | 122.2 | 147.6 | 173.0 |
7/8 | 22.23 | 47.63 | 73.03 | 98.43 | 123.8 | 149.2 | 174.6 |
15/16 | 23.81 | 49.21 | 74.61 | 100.01 | 125.4 | 150.8 | 176.2 |
Pollici | 7 | 8 | 9 | 10 | 11 | 12 |
---|---|---|---|---|---|---|
177,8 | 203.2 | 228.6 | 254.0 | 279.4 | 304.8 | |
1/16 | 179.4 | 204.8 | 230.2 | 255.6 | 281.0 | 306.4 |
1/8 | 181.0 | 206.4 | 231.8 | 257.2 | 282.6 | 308.0 |
3/16 | 182.6 | 208.0 | 233.4 | 258.8 | 284.2 | 309.6 |
1/4 | 184.2 | 209.6 | 235.0 | 260.4 | 285.8 | 311.2 |
5/16 | 185.7 | 211.1 | 236.5 | 261.9 | 287.3 | 312.7 |
3/8 | 187.3 | 212.7 | 238.1 | 263.5 | 288.9 | 314.3 |
7/16 | 188.9 | 214.3 | 239.7 | 265.1 | 290.5 | 315.9 |
1/2 | 190.5 | 215.9 | 241.3 | 266.7 | 292.1 | 317.5 |
9/16 | 192.1 | 217.5 | 242.9 | 268.3 | 293.7 | 319.1 |
5/8 | 193.7 | 219.1 | 244.5 | 269.9 | 295.3 | 320.7 |
11/16 | 195.3 | 220.7 | 246.1 | 271.5 | 296.9 | 322.3 |
3/4 | 196.9 | 222.3 | 247.7 | 273.1 | 298.5 | 323.9 |
13/16 | 198.4 | 223.8 | 249.2 | 274.6 | 300.0 | 325.4 |
7/8 | 200.0 | 225.4 | 250.8 | 276.2 | 301.6 | 327.0 |
15/16 | 201.6 | 227.0 | 252.4 | 277.8 | 303.2 | 328.6 |