|
The main series are BO，J1，J2 series，the material are
made of carbon and copper，they have
the carbon friction characteristic
and copper electric characteristic，the
speed of round is generally lower
30M/S |
| series |
resistance
rate µΩ-m |
resiste
convert MPa |
hardness
shore |
bulk
density g/cm² |
contact
voltage dropv |
friction
rate |
ratinglectricity
density A/cm² |
allow
round speed m/s |
main
use |
| BO838 |
0.76 |
21.9 |
28 |
2.65 |
low |
low |
13 |
30 |
worm
up machine，alternating currentgenerate
electricity machine，lock machine，aid
electric machine |
| BO834 |
0.83 |
29.2 |
28 |
2.63 |
very
low |
low |
13 |
30 |
| BO838 |
3.43 |
26.7 |
30 |
2.68 |
low |
low |
13 |
30 |
| BO839 |
0.70 |
19.5 |
25 |
2.63 |
very
low |
low |
13 |
30 |
| BO818 |
0.51 |
12.6 |
11 |
3.65 |
very
low |
low |
12 |
30 |
starter
equipment ，slip ring |
| BO811 |
0.52 |
34.5 |
20 |
3.85 |
very
low |
low |
19 |
25 |
low
voltage ，high electric current moto.12v
automobil car |
| BO805 |
0.51 |
44.6 |
22 |
3.68 |
very
low |
low |
19 |
25 |
low
voltage ，high electric current moto.12v
automobil car and motorbike machine |
| BO806T |
0.76 |
38.9 |
20 |
3.45 |
very
low |
low |
13 |
30 |
12Vcar
starter motor，pump electric machine，window
machine，rain shave machine，storage battery
car |
| BO803 |
0.09 |
79.8 |
7 |
6.75 |
low |
mid |
20 |
25 |
12v
starter machine,DC motor |
| BO808 |
0.43 |
44.7 |
21.5 |
3.88 |
low |
low |
13 |
30 |
| BO800 |
0.11 |
48.6 |
11.5 |
5.75 |
very
low |
low |
20 |
25 |
| BO812 |
1.50 |
26.3 |
26 |
2.425 |
low |
low |
13 |
30 |
warm
up machine |
| BO813 |
5.00 |
/ |
78 |
2.70 |
≤1.6 |
≤0.25 |
15 |
20 |
electric
motor,warm up machine |
| BO821 |
0.65 |
/ |
76 |
4.60 |
≤0.856 |
≤0.25 |
15 |
15 |
12Vstarter
machine |
| BO886 |
2.50 |
/ |
86 |
3.35 |
≤1.3 |
≤0.25 |
15 |
35 |
automobil starter motor,synchronization
machine slip ring |
| annotate：contact
voltage drop：very high≥3.6 high2.4-3.6V
mid1.4-2.3V low0.5-1.3V very low≤0.6V
.friction rate：high≥0.20,mid0.15-0.20,low0.10-0.20,very
low≤0.10 |
