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Grade E49X – Than đôi – (10+10)x32x50 mm
Grade E49X Schunk Germany - Size (10+10)x32x50 mm - T1- M6
Mô tả
Chổi than lớp E49X Schunk
Than đôi – (10+10)x32x50 mm
Đặc tính của lớp vật liệu:
| Grade | Material type | Voltage drop | Coefficient of friction | Test conditions | Resis- tivity µΩm | Rockwell | Bending strength N/mm² | Bulk density g/cm3 | Metal content % |
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| HR10/40 | HR5/40 | ||||||||||
| E49X | Electrographite | h | l | 1 | 55 | — | 108 | 30 | 1.70 | — | |
| Classification | Symbol | Voltage drop between two carbon brushes connected in series Uü (V) |
Coefficient of friction µ |
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| Very low | vl | < 1.5 | < 0.08 | ||||||||||||||||||
| Low | l | 1.5 – 2.2 | 0.08 – 0.15 | ||||||||||||||||||
| Medium | m | 2.2 – 3.0 | 0.15 – 0.22 | ||||||||||||||||||
| High | h | > 3.0 | > 0.22 | ||||||||||||||||||
| The grades are classified into the selected ranges on the basis of measurements under test conditions 1–7, which are explained in the following table. On request we are able to supply detailed technical data sheets of our grades, which also contain information regarding other operating conditions. |
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| No. | Current density A/cm² |
Peripheral speed m/s | Brush pressure cN/cm² | Collector temperature °C |
Related to the following fields of application of the carbon brushes |
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| 1 | 12 | 30 | 250 | 90 | Stationary D.C. machines with and without commutation aids |
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| 2 | 12 | 50 | 250 | 90 | Traction motors | ||||||||||||||||
| 3 | 10 | 30 | 200 | 90 | Three-phase commutator motors | ||||||||||||||||
| 4 | 6 | 60 | 160 | 90 | Turbogenerators and turbomotors | ||||||||||||||||
| 5 | 20 | 30 | 200 | 90 | Slip-ring machines and low-voltage machines | ||||||||||||||||
| 6 | 16 | 30 | 200 | 90 | Slip-ring machines and low-voltage machines | ||||||||||||||||
| 7 | 12 | 30 | 200 | 90 | Slip-ring machines and low-voltage machines | ||||||||||||||||
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