ZLY200 Hard Tooth Surface Gear Reducer: Complete Parameter Reference
H1: ZLY200 Gear Reducer — Full Technical Specifications and Selection Data
Application scope of ZLY200 two-stage parallel axis hard tooth gear reducer
(1) The input speed is generally n, ≤ 1500r/min
(2) The circumferential speed of gear transmission shall not exceed 20mis.
(3) If the working environment is below 0 ℃, the lubricating oil should be preheated to above
0 ℃ before starting. This reducer can be used for both forward and reverse operation.
(4) It can be widely used in industrial sectors such as metallurgy, mining, chemical industry,
building materials, lifting, transportation, textile, papermaking, instruments, plastics, rubber,
engineering machinery, energy, etc.
H2: ZLY200 Power and Torque Capacity by Ratio
At an input speed of 1500 r/min, the ZLY200 accepts motor power from 77 kW to 221 kW, depending on the nominal ratio. The table below summarizes the published power ratings and corresponding output speeds across all eleven standard ratios
| Nominal Ratio (i) | Input Speed (r/min) | Output Speed (r/min) | Rated Power (kW) |
| 6.3 | 1500 | 240 | 77 |
| 7.1 | 1500 | 210 | 86 |
| 8 | 1500 | 185 | 98 |
| 9 | 1500 | 167 | 105 |
| 10 | 1500 | 150 | 116.5 |
| 11.2 | 1500 | 134 | 133 |
| 12.5 | 1500 | 120 | 116.5 |
| 14 | 1500 | 107 | 149 |
| 16 | 1500 | 94 | 165.5 |
| 18 | 1500 | 83 | 181.5 |
| 20 | 1500 | 75 | 201 / 221 |
Reading the table: The power rating peaks around ratio 16–20 because torque demand rises as speed falls, and the ZLY200 frame is sized to carry that torque at the lower output speeds. When the actual input speed is 1000 r/min instead of 1500 r/min, the permissible power should be scaled to approximately 65%–70% of the 1500 r/min figure. The service factor must be applied on top of these nominal ratings—a conveyor with moderate shock duty at 10+ hours per day will require a KA in the range of 1.25–1.5, which can move the selection one or two frame sizes upward.
H2: ZLY200 Shaft and Mounting Dimensions
The ZLY200 uses a 48 mm input shaft and a 95 mm output shaft under the reference dimension set. Key geometry is summarized below (dimensions in mm)
| arameter | Input Shaft | Output Shaft |
|---|---|---|
| Shaft diameter (d) | d₁ ≈ 48 | d₂ ≈ 95 |
| Extension length (l) | l₁ ≈ 82 | l₂ ≈ 130 |
| Keyway width (b) | 14 | 25 |
| Center distance (a) | 200 | — |
| Center height (H) | 340 (JB/T8853 reference） |
The ZLY200 shares the standard nine mounting configurations (Types I–IX) of the ZLY series, covering horizontal foot-mounted arrangements with the input shaft on either side and the output shaft extending left, right, or both ways. The housing is a cast iron structure, and the unit is suitable for bidirectional operation
H2: Application requirements for ZLY hard tooth surface gear reducer gearbox:
(1) The input speed is generally n, ≤ 1500r/min
(2) The circumferential speed of gear transmission shall not exceed 20mis.
(3) If the working environment is below 0 ℃, the lubricating oil should be preheated to above
0 ℃ before starting. This reducer can be used for both forward and reverse operation.
H2: Selecting a ZLY200 for Your Application
A valid ZLY200 selection requires three checks beyond matching motor kW to the power table: apply the service factor to calculate design power, verify thermal power under actual ambient and duty cycle, and confirm output shaft radial load capacity against the driven machine's overhung load. The ratio and mounting type then determine the final model code—for example, ZLY200-12.5-II.
Send us your motor power, input speed, required output speed or ratio, daily operating hours, load characteristics, and mounting position. We will return a ZLY200 selection with the applied service factor and thermal check—typically within one working day.