VNIINP-219 greasing
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Technical characteristics
- Country of manufactureRussia
Description
VNIINP-219 greasing (TU 38.101471-74) on structure is close to VNIINP-207 greasing, but unlike it contains a molybdenum disulfide. Main operational characteristics of VNIINP-219 greasing: it is efficient at a temperature of-50 … +200 °C. The starter generators with the raised loadings and with a frequency of rotation up to 9000 min.-1, in shariko-screw gears of aircraft is applied in rolling bearings of electric motors also.
| Name of an indicator | Norm in accordance with GOST (TU) |
|---|---|
| Appearance | Uniform soft ointment from dark gray till black color |
| Viscosity at minus 30 °C and an average gradient of speed of deformation 10s-1 | 2,0 |
| Colloidal stability, % of masses, no more | 7,0 |
| Content of water, % of masses. | no |
| Mass fraction of free alkali, %, no more | 0,08 |
| Temperature of drop falling, °C, not below | 200 |
| Penetration at 25 °C, 0,1 mm | 280-360 |
| Content of mechanical impurity, % | Absence |
| Test for corrosion | Greens, tm-gray, brown or black spots are not formed |
| Strength at 50 °C, Pa , not less | 120 |
| Viscosity effective at -50 °C, Grazed, no more | 800 |
| The main | |
|---|---|
| Country producer | Russia |
| Use of greasing | Electromechanical mechanisms, - Industrial machines, - Special equipment, - the Aircraft equipment |
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VNIINP-219 greasing