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Helical Gear Reducer The reducers include 4 kinds of series: ZDY(single-stage), ZLY(two-stage), ZSY(three-stage), ZFY(four-stage), and 57 kinds of sized, 54 kinds of speed ratios (People's Republic Of China major standard: JB/T8853-2001). They are mainly used in metallurgy, mine, transportation, power, cement, building, chemical, textile and light industry.Features:1. Compared with the former reducers, the dimensions of hard teethface reducers are decreased by 56%, and the weight are decreased by 40%, but service life are increased by 3 4 times, and carrying capacity are increased by 8 10 times. 2. Housing not inly has compact construction, artistic outline, but also has higher rigidity 3. Main spare parts such as gears, shafts are made if high-strength alloy steel and treated with carburization, quencher, gear grinding. The precision of gear is grade 6. 4. The running efficiency of each stage is 98% 99%. 5. The reducer can be assembled with backstop.Products: ZDY, ZLY, ZSY, ZFY Equipment method: 1. Foot installment, 9 methods for installment 2. Backpressure valve can be equipped to meet the rotation with single direction. 3. Big power can be equipped to complete the capacity of heavy bearing.Technique parameter: Ratio: Single-stage: 1.25 6.3 Double-stage: 6.3 20 Three-stage: 22.47 100