Ainm an táirge | Cnó cúplála heicsidheachúlach dosmálta |
Ábhar | Déanta ó 18-8/304/316 cruach dhosmálta, tá friotaíocht cheimiceach maith ag na cnónna seo agus d'fhéadfadh siad a bheith beag go maighnéadach. Tugtar cruach dhosmálta A2 orthu freisin. |
Cineál cruth | Cnónna Heics |
Iarrchán | Tá na cnónna seo oiriúnach chun an chuid is mó de na hinnealra agus an trealamh a cheangal. |
Caighdeánach | Comhlíonann cnónna a fhreastalaíonn ar ASME B18.2.2 nó DIN 934 sonraíochtaí na caighdeáin thoiseacha seo. |
Ainmniúil Méid | Trastomhas mór snáithe bunúsach | Leithead trasna árasáin, f | Leithead trasna coirnéil, g | Fad, h | |||||
Bunúsach | Min. | Max. | Min. | Max. | Bunúsach | Min. | Max. | ||
#6 | 0.138 | 5/16 | 0.302 | 0.312 | 0.344 | 0.361 | 1/2 | 0.470 | 0.510 |
#8 | 0.164 | 5/16 | 0.302 | 0.312 | 0.344 | 0.361 | 5/8 | 0.595 | 0.645 |
#10 | 0.190 | 5/16 | 0.302 | 0.312 | 0.344 | 0.361 | 3/4 | 0.711 | 0.760 |
1/4 | 0.250 | 7/16 | 0.428 | 0.438 | 0.488 | 0.505 | 1 3/4 | 1.690 | 1.760 |
5/16 | 0.312 | 1/2 | 0.489 | 0.500 | 0.557 | 0.577 | 1 3/4 | 1.690 | 1.760 |
3/8 | 0.375 | 9/16 | 0.551 | 0.562 | 0.628 | 0.650 | 1 3/4 | 1.690 | 1.760 |
7/16 | 0.437 | 5/8 | 0.607 | 0.625 | 0.692 | 0.722 | 1 3/4 | 1.690 | 1.760 |
1/2 | 0.500 | 11/16 | 0.663 | 0.688 | 0.756 | 0.794 | 1 3/4 | 1.690 | 1.760 |
9/16 | 0.562 | 13/16 | 0.782 | 0.813 | 0.891 | 0.939 | 2 1/8 | 2.067 | 2.135 |
5/8 | 0.625 | 13/16 | 0.782 | 0.813 | 0.891 | 0.939 | 2 1/8 | 2.067 | 2.135 |
3/4 | 0.750 | 1 | 0.963 | 1.000 | 1.097 | 1.155 | 2 1/4 | 2.190 | 2.260 |
7/8 | 0.875 | 1 1/4 | 1.212 | 1.250 | 1.382 | 1.443 | 2 1/2 | 2.440 | 2.510 |
1 | 1.000 | 1 3/8 | 1.325 | 1.375 | 1.511 | 1.588 | 2 3/4 | 2.690 | 2.760 |
1 1/8 | 1.125 | 1 1/2 | 1.450 | 1.500 | 1.653 | 1.732 | 3 | 2.940 | 3.010 |
1 1/4 | 0.125 | 1 5/8 | 1.575 | 1.625 | 1.825 | 1.876 | 3 | 2.940 | 3.010 |
1 1/2 | 1.500 | 2 | 1.950 | 2.000 | 2.275 | 2.309 | 3 1/2 | 3.440 | 3.510 |
1 5/8 | 1.625 | 2 9/16 | 2.481 | 2.562 | 2.828 | 2.959 | 4 7/8 | 4.830 | 4.910 |
1 3/4 | 1.750 | 2 3/4 | 2.662 | 2.750 | 3.035 | 3.175 | 5 1/4 | 5.210 | 5.290 |
1 7/8 | 1.875 | 2 15/16 | 2.844 | 2.938 | 3.242 | 3.392 | 5 5/8 | 5.580 | 5.670 |
2 | 2.000 | 3 1/8 | 3.025 | 3.125 | 3.448 | 3.608 | 6 | 5.950 | 6.040 |
2 1/4 | 2.250 | 3 1/2 | 3.388 | 3.500 | 3.862 | 4.041 | 6 3/4 | 6.700 | 6.800 |
2 1/2 | 2.500 | 3 7/8 | 3.750 | 3.875 | 4.275 | 4.474 | 7 1/2 | 7.440 | 7.550 |
2 3/4 | 2.750 | 4 1/4 | 4.112 | 4.250 | 4.688 | 4.907 | 8 1/4 | 8.190 | 8.310 |
3 | 3.000 | 4 5/8 | 4.475 | 4.625 | 5.101 | 5.340 | 9 | 8.940 | 9.060 |
3 1/4 | 3.250 | 5 | 4.838 | 5.000 | 5.515 | 5.773 | 9 3/4 | 9.680 | 9.810 |
3 1/2 | 3.500 | 5 3/8 | 5.200 | 5.375 | 5.928 | 6.206 | 10 1/2 | 10.430 | 10.570 |
3 3/4 | 3.750 | 5 3/4 | 5.562 | 5.750 | 6.340 | 6.639 | 11 1/4 | 11.170 | 11.320 |
4 | 4.000 | 6 1/8 | 5.925 | 6.125 | 6.754 | 7.072 | 12 | 11.920 | 12.080 |
4 1/4 | 4.250 | 6 1/2 | 6.288 | 6.500 | 7.168 | 7.506 | 12 3/4 | 12.670 | 12.830 |
4 1/2 | 4.500 | 6 7/8 | 6.650 | 6.875 | 7.581 | 7.939 | 13 1/2 | 13.420 | 13.580 |
4 3/4 | 4.750 | 7 1/4 | 7.012 | 7.250 | 7.994 | 8.372 | 14 1/4 | 14.160 | 14.340 |
5 | 5.000 | 7 5/8 | 7.375 | 7.625 | 8.408 | 8.805 | 15 | 14.910 | 15.090 |
5 1/4 | 5.250 | 8 | 7.738 | 8.000 | 8.821 | 9.238 | 15 3/4 | 15.650 | 15.850 |
5 1/2 | 5.500 | 8 3/8 | 8.100 | 8.375 | 9.234 | 9.671 | 16 1/2 | 16.400 | 16.600 |
5 3/4 | 5.750 | 8 3/4 | 8.462 | 8.750 | 9.647 | 10.104 | 17 1/4 | 17.150 | 17.350 |
6 | 6.000 | 9 1/8 | 8.825 | 9.125 | 10.060 | 10.537 | 18 | 17.890 | 18.110 |
Tabhair faoi deara:
Nóta: (1) Cuirfear cnónna ar fáil gan poll, mura n -ordaíonn an Ceannaitheoir go speisialta é. I roinnt iarratas, d'fhéadfadh sé a bheith inmhianaithe a chinntiú go ndéantar na codanna snáithithe a bhfuil cnó cúplála ceangailte leo go dtí tiús thart ar leathchnó. Mar chúnamh cigireachta amhairc, moltar poll a dhruileáiltear trí thaobh amháin den chnó. Ba chóir go mbeadh an poll suite ag tiús lár cnó, agus go mbeadh trastomhas 0.2 go 0.4 huaire ann méid cnó ainmniúil le haghaidh méideanna 2 1/2 isteach agus níos lú, agus 1 isteach le haghaidh méideanna 2 3/4 isteach agus níos mó.