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As a dedicated manufacturer with a modern facility in Suzhou, Jiangsu Manqi Machinery Co., Ltd. specializes in providing robust and reliable power transmission solutions. Our ZDY250 Hardened Helical Cylindrical Gear Reducer is engineered for demanding industrial applications where durability and consistent performance are non-negotiable. Featuring a rugged cast iron housing and precision-hardened helical gears, this reducer is built to withstand high shock loads and deliver smooth, efficient torque transmission, making it an ideal choice for enhancing the reliability of your machinery. We understand the needs of diverse markets, from Eastern Europe to Southeast Asia, and design our products to offer exceptional value and long service life. This gear reducer represents our commitment to quality manufacturing and practical engineering, providing a dependable core component for your systems.
This gear reducer is designed to offer superior performance in a wide range of industrial settings. Its core construction and features are tailored for longevity and efficiency.
Robust Cast Iron Housing: The housing is manufactured from high-grade cast iron, providing exceptional rigidity and vibration damping. This design minimizes housing deflection under load, ensuring precise gear alignment and contributing to quieter operation and extended bearing life.
Hardened Helical Gears: The heart of the reducer consists of helical cylindrical gears that undergo a specialized hardening process. This treatment significantly increases surface hardness and wear resistance, allowing the gears to handle higher torque capacities and shock loads compared to standard gears.
High Transmission Efficiency: The helical gear design offers gradual tooth engagement, which results in smoother and quieter power transmission with reduced vibration. This efficiency, which can reach up to 96%, translates directly into lower energy consumption for the end-user.
Versatile Mounting Options: The unit is designed for flexible integration. It is primarily configured for foot mounting, but flange-mounted versions are available to suit different spatial and mechanical design requirements in your application.
Effective Lubrication System: Utilizing a reliable oil bath lubrication system, all critical gear and bearing surfaces are continuously lubricated. This reduces friction, dissipates heat effectively, and minimizes maintenance needs.
Broad Ratio Selection: Available in a comprehensive range of standard reduction ratios, from 5:1 to 100:1, allowing for precise speed and torque matching to drive various types of industrial equipment.
The technical specifications of the ZDY250 gear reducer are detailed below to help in your selection process.
| Parameter | Specification / Value |
|---|---|
| Model | ZDY250 |
| Housing Material | High-Grade Cast Iron |
| Gear Material & Treatment | Alloy Steel, Hardened |
| Nominal Output Torque | Up to 2500 Nm |
| Input Power Capacity | Up to 45 kW |
| Reduction Ratio Range (Standard) | 5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50, 63, 80, 100 |
| Maximum Radial Load on Output Shaft | Specifications available upon request |
| Operating Temperature Range | -10°C to +80°C |
| Lubricant Type | Industrial Gear Oil (ISO VG 150-320) |
Choosing our ZDY250 reducer provides tangible benefits for your operations. The hardened gears dramatically extend the unit's operational life, reducing the frequency and cost of replacements. The high efficiency lowers your energy bills, while the robust cast iron construction ensures reliable performance in harsh environments, reducing unplanned downtime. Its versatility makes it suitable for conveyor systems, mixers, lifting equipment, and various material handling machinery, providing a single, dependable solution for multiple needs.
Backed by Jiangsu Manqi Machinery's manufacturing expertise from our 10,000-30,000 square meter facility, this gear reducer is produced with a focus on quality control and consistency. We have successfully supplied reliable components to markets across Eastern Europe, Southeast Asia, Africa, and South Asia, building a reputation for delivering products that perform. Our operational setup, supported by a dedicated team, allows us to offer competitive value without compromising on the core strengths of durability and performance. For a power transmission solution that combines rugged construction with efficient operation, the ZDY250 is a sound investment. Contact us today to discuss how this reducer can be integrated into your equipment or to request detailed specifications for your project.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of using hardened helical gears in this reducer?
A1: Hardening the gears significantly increases their surface hardness and resistance to wear and pitting. This allows the ZDY250 to handle higher torque loads, absorb shock loads more effectively, and provide a much longer service life compared to reducers with non-hardened gears, especially in demanding, continuous-operation cycles.
Q2: Can this gear reducer be used in outdoor or corrosive environments?
A2: The standard cast iron housing offers good corrosion resistance for general industrial environments. For highly corrosive atmospheres, additional protective surface treatments or coatings can be explored as a customization option. It is advisable to discuss your specific environmental conditions with our technical team.
Q3: What types of motors are compatible with the ZDY250 reducer?
A3: The reducer is designed to be coupled with standard IEC frame electric motors (like three-phase AC motors). The input shaft configuration is standardized, but adapter flanges or coupling details can be specified to ensure compatibility with your chosen motor brand and model.
Q4: How often does the lubricant need to be changed?
A4: Under normal operating conditions and with proper initial filling, the first oil change is recommended after approximately 500 hours of run-in operation. Subsequent changes are typically advised every 4000 to 8000 operating hours, but this interval can vary based on actual load, temperature, and environmental factors. The specific maintenance schedule is provided in the product manual.
Q5: Is the reduction ratio fixed, or are different ratios available?
A5: The ZDY250 is available in a wide range of standard single-stage reduction ratios, from 5:1 up to 100:1. You can select the ratio that best matches your required output speed and torque from our standard offerings when placing your order.
Q6: What is the lead time for an order of this product?
A6: Lead times depend on the specific ratio and configuration ordered, as well as current production schedules. Standard configurations typically have shorter lead times. We recommend contacting our sales team with your quantity and specification requirements for an accurate delivery estimate.
Q7: Do you provide technical drawings and installation dimensions?
A7: Yes, comprehensive technical documentation, including detailed dimensional drawings, installation guidelines, and mounting templates, is provided with the product and can also be made available upon request during the inquiry stage to assist with your mechanical design and layout planning.
Q8: What warranty is offered with the ZDY250 gear reducer?
A8: We stand behind the quality of our manufacturing. A standard warranty period is provided against defects in materials and workmanship under normal use. The specific terms and duration of the warranty will be confirmed in our commercial agreement.
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