JSTJST Series Reduction Gears for Central Driven Mills (JST130–JST180)
Three-Stage Central Drive Mill Gearbox CGC JST
JST are three-stage central mill drives that extend the JS series to high-speed motors: a helical stage is added to the dual-path coaxial layout with torsion shaft, and the output stage uses herringbone gears (utility model ZL200420060980.6). Six sizes JST130–JST180 (16 versions) transmit 2,800–8,000 kW at ratios of 55–70:1, 750/890/990 rpm input and 14–18 rpm output. Gear unit weight is 52–132 t. Thin-wall eccentric sliding bearings, 16-channel temperature monitoring and optional online vibration monitoring.
Specifications
- Sizes
- 6 (JST130–JST180), 16 versions
- Power
- 2,800–8,000 kW
- Ratio
- 55:1–70:1
- Input speed
- 890 / 990 rpm (up to JST150-C); 750 / 890 / 990 rpm (JST160–JST180)
- Output speed
- 14–18 rpm, deviation within ±0.15 rpm
- Design
- three stages, coaxial, dual power path, torsion shaft, herringbone output stage
- Weight
- gear unit 52–132 t; complete drive 69–178 t
- Lube station
- 400–1,000 L/min
Applications
- High-power cement ball mills
- Centrally driven raw mills
- Ore mills at concentrators
- Mills in metallurgy and sugar production
We will select the right size for your task and prepare a quotation under a direct SDS contract.
