Perii bachelit-grafit
Periile bachelit-grafit asigura contactul pentru:
Motoare electrice in curent alternativ cu colector, motoare in curent continuu pana la 30 KW, motoare de mare putere, motoare fractionare, motoare pentru scule de mana, motoare auxiliare de tractiune.
Caracteristici tehnice
|
Grupa de semifabricat |
Marca |
Densitate aparenta g/cm³ |
Duritate Rockwell HR 10/60 |
Rezistenta la incovoiere MN/m² |
Rezistivitate µÐm |
Cadere de tensiune 2Uc |
Coeficient de frecare µ |
Viteza medie de uzura WE |
|
Bachelit-grafit |
BGR -1 |
1,6...1,8 |
90...110 |
26 |
100...140 |
2,1...3,6 |
0,2 |
5 |
|
BGR-2* |
1,58...1,7 |
65...100 |
23 |
220...280 |
2,5...5,0 |
0,3 |
10 |
|
|
BGR -3 |
1,6...1,8 |
70...100 |
30 |
130...170 |
2,5...4,2 |
0,3 |
12 |
|
|
BGR -4 |
1,6...1,8 |
65...100 |
25 |
170...190 |
2,5...5,0 |
0,3 |
12 |
|
|
BGR -5 |
1,6...1,8 |
65...100 |
32 |
190...250 |
3,2...4,0 |
0,3 |
12 |
Parametrii de exploatare in conditii normale de utilizare
|
Grupa de semifabricat |
Marca |
Densitatea de curent A/cm² |
Viteza periferica maxima m/s |
Presiunea pe perie kN/m² |
|
Bachelit-grafit |
BGR - 1 |
max. 10 |
max. 10 |
18 - 21 |
|
BGR - 2 |
max. 10 |
max. 10 |
18 - 21 |
|
|
BGR - 3 |
max. 10 |
max. 10 |
18 - 21 |
|
|
BGR - 4 |
max. 10 |
max. 10 |
18 - 21 |
|
|
BGR - 5 |
max. 10 |
max. 10 |
18 - 21 |
BAKELITEGRAPHITES-IMPORT
|
Grade |
Volume |
Specific |
Hardness |
Recommen. |
Circumferen- |
Recommen. |
Tot.voltage |
Coefficient |
Applications |
|
CG 329 |
1,60 |
375 |
85 HR 10/40 |
10 |
50 |
25-35 |
- |
- |
Small universal AC motors - motors for handtools and home appliances |
