Roth meilt roinnte go príomha i dtrí chatagóir, rang A, rang B agus rang W.
A: a úsáidtear go príomha i laethanta réitigh, cruach, próiseála miotail agus tionscail cloiche agus eile.
B: aicme an tsaothair mhóir, tionscal na múnlaí.
W: Úsáidtear ranganna chun meilt beachtais.
Úsáidtear an roth meilt istigh go príomha le haghaidh poill a mheilt, atá ar cheann de na meilt is deacra. Is fearr 60-80% trastomhas seachtrach an roth meilt. 、
Is iad meilt timpealláin na bealaí meilt is coitianta, a úsáidtear ar grinder excircle. Is é dromchla ciorcal seachtrach rothaí meilt an t-aghaidh oibre. Úsáidtear na rothaí go príomha le haghaidh comhla, Céide Céide, le hiompar srl. Ag teacht leis na hairíonna ábhair, cáilíocht an dromchla agus cruinneas geoiméadrach an phíosa oibre, is féidir an roth meilt meaitseála a roghnú leis an bhfeidhmíocht.
Cód Cineál: 1
OD |
T |
H |
Grit |
Grán |
Cruas |
Struchtúr |
Luas |
250mm |
20mm-40mm |
75mm 76.2mm 127mm |
A WA AA 38A 25A PA SA GC C |
F36 F46 F54 F60 F80 F100 F120 |
K L M N P Q |
5 6 7 8 9 10 |
33m / s 35m / s 40m / s 45m / s 50m / s 60m / s |
300mm |
20mm-63mm |
75mm 76.2mm 127mm |
|||||
350mm |
25mm-63mm |
||||||
400mm |
32mm-80mm |
127mm 203mm 203.2mm |
|||||
450mm |
|||||||
500mm |
203.2mm 254mm 304.8mm |
||||||
600mm |
40mm-150mm |
||||||
750mm |
50mm-75mm |
305mm |
Cód Cineál: 5
OD |
T |
H |
P |
F |
R uas |
Grit |
Grán |
Cruas |
Struchtúr |
Luas |
300mm |
40mm 50mm |
76.2mm 127mm |
150mm 190mm |
13mm |
3.2 |
A WA AA 38A 25A PA SA GC C |
F36 F46 F54 F60 F80 F100 F120 |
K L M N P Q |
5 6 7 8 9 10 |
33m / s 35m / s 40m / s 45m / s 50m / s 60m / s |
350mm |
127mm |
215mm |
13mm |
5 |
||||||
400mm |
||||||||||
450mm |
40mm-80mm |
127mm 203mm 203.2mm |
215mm 280mm |
13mm25mm | ||||||
500mm |
203mm 203.2mm 304.8mm 305mm |
400mm |
13mm 25mm 50mm |
8 |
||||||
600mm |
40mm-100mm |
|||||||||
750mm |
63mm-100mm |
Cód Cineál: 7
OD |
T |
H |
P |
F |
G |
R uas |
Grit |
Grán |
Cruas |
Struchtúr |
Luas |
300mm |
40mm 50mm |
76.2mm 127mm |
150mm 190mm |
6mm-10mm |
3.2 |
A WA AA 38A 25A PA SA GC C |
F36 F46 F54 F60 F80 F100 F120 |
K L M N P Q |
5 6 7 8 9 10 |
33m / s 35m / s 40m / s 45m / s 50m / s 60m / s |
|
350mm |
127mm |
215mm |
10mm-13mm |
5 |
|||||||
400mm |
|||||||||||
450mm |
40mm-80mm |
127mm 203mm 203.2mm |
215mm 280mm |
8 |
|||||||
500mm |
203mm 203.2mm 304.8mm 305mm |
400mm |
|||||||||
600mm |
50mm-100mm |
10mm-25mm |
|||||||||
750mm |
80mm-100mm |