TECHNICAL SPECIFICATIONS of Gearboxes for the belt conveyor drive B=2000mm

No. Name Values/Requirements

NOTE

1. Nominal motor power P=1000 kW

2. Input RPM n₁=1000 min¯¹Range 600-1200 min¯¹, with drive electromotor with frequency regulation

3. Gearbox ratio i=17,267 For composite operation with existing gearboxes

4. Nominal motor torque Mn= 9500Nm At 1000 min¯¹5. Type of transmitter 3-degree conical-cylinder gearbox

6. Service factor KA≥2For drives with frequency regulation, according to DIN 3960

7. Work engagement 24 h8. Temperature of the working

environmentFrom -25°C to +40°C

9. Work surfaces/inclinations Longitudinal: ±3°, Transversal: ±1,5°10. Cooling fluid and lubrication Mineral oil, gradations ISO VG 320 According to DIN 5151911. Drive shaft bearings Ball bearings with brass cages FAG, SKF, INA12. Bearings’ lifespan 50000 h

13. Min. level of safety of the toothing SH min = 1.2SF min = 1.4

According to DIN 3990 and DIN 3991

14. Gearbox noise and vibrations 77,1+12,3 log P/kW (dB)

According to VDI 2159, noise measurement according to DIN 45635.Vibrations according to VDI 2056 andDIN ISO 10816

15. Shaft and bearings sealing

With high-quality radial sealing rings + additional labyrinth sealing with grease filling, envisage split-ring seal at the output for the replacement without dismantling the entire gearbox

16. Connection between the gearbox and belt drum’s drive shaft

Flange with ducts for hydraulic dismantling

17. Drive cooling Compulsory/by fan +oil splashing

18. Gearbox heating Envisage electric heaters Cartridges in a protective tube

19.Indicators for monitoring the temperature Envisage Pt100 - probes

(1+1) x paired bearings input shaft1x bearing near conical pinion of the input shaft1x oil temperature/thermostat

20. Indicators for monitoring vibrationsEnvisage measurement points for monitoring the vibrodiagnostics

1x input shaft(1+1)x first cross shaft (1+1)x second cross shaft(1+1)x output shaft

No. Name Vrednosti/Traženi zahtevi

NOTE

21. Drive coupling Flexible,brake drum at the gearbox-side

22. Drive brakeMechanical, double-jaw with brake thruster

Brake drum Ø710mm, brake thruster EB 3000/60 Lk2

23. Drive and equipment protectionEnvisage protective roof above the gearbox, as well as protective hood for fan and coupling with brake

24. Protection against corrosion

The oil sump/the casing’s interior should be protected with abrasion resistant coating,Gearbox’s exterior should be protected with 2-K-PU coatings

Casing: RAL 1021,Protective hoods: RAL 6021Rotating elements: RAL 3001Brake: RAL 6021

25. Gearbox labelling

Standard plate with the basic data for gearboxAdditional plate with the gearbox’s weight and points for load suspension