Products
Our company is SAIFU VIET NAM COMPANY LIMITED, located in Vietnam. It mainly engages in the production and sales of transmission parts and agricultural machinery accessories, including gearbox, chain&sprocket, pulley, gears, pto shaft, trailer&trailer parts, agricultural machine&parts.ZQ Series Cylindrical Gearbox
Product Overview
The ZQ Series Cylindrical Gearbox is a robust and efficient power transmission solution designed for heavy-duty industrial applications. Known for its durability and high performance, this gearbox is engineered to handle demanding conditions across various sectors, including mining, construction, and manufacturing. With a focus on reliability and ease of maintenance, the ZQ series offers a compact design that maximizes space utilization while delivering consistent torque and speed reduction. It is built to international standards, ensuring compatibility and safety in global markets. The gearbox features a hardened and ground gear system for smooth operation and long service life, making it a preferred choice for professionals seeking dependable mechanical drives.
Key Features
- High torque capacity for heavy loads
- Compact and modular design for easy integration
- Hardened and precision-ground gears for reduced noise and wear
- Efficient lubrication system for enhanced durability
- Versatile mounting options (foot-mounted, flange-mounted, or shaft-mounted)
- Compliant with international standards such as ISO and AGMA
- Low maintenance requirements with accessible inspection points
- Suitable for various industrial environments, including harsh conditions
Technical Specifications
Below is a detailed table of the ZQ Series Cylindrical Gearbox parameters, covering models from size 250 to 650. These specifications include gear ratios, input power, output torque, and weight, providing a comprehensive overview for selection.
| Model Size | Gear Ratio Range | Input Power (kW) | Output Torque (Nm) | Weight (kg) |
|---|---|---|---|---|
| ZQ 250 | 8.23 - 48.57 | 4.5 - 15 | 500 - 1800 | 35 |
| ZQ 350 | 8.23 - 48.57 | 11 - 30 | 1200 - 3500 | 75 |
| ZQ 400 | 8.23 - 48.57 | 22 - 55 | 2500 - 6000 | 120 |
| ZQ 500 | 8.23 - 48.57 | 40 - 100 | 4500 - 11000 | 180 |
| ZQ 650 | 8.23 - 48.57 | 75 - 150 | 8000 - 18000 | 300 |
Note: Specifications may vary based on specific configurations and application requirements. Always consult the product manual or technical support for precise data.
Applications
- Mining equipment: conveyors, crushers, and hoists
- Construction machinery: cranes, excavators, and mixers
- Manufacturing lines: packaging machines, extruders, and presses
- Material handling: elevators, winches, and belt drives
- Agricultural machinery: tractors and harvesters
Installation and Maintenance
Proper installation is crucial for optimal performance of the ZQ series cylindrical gearbox. Ensure the gearbox is mounted on a flat, rigid surface to avoid misalignment. Use appropriate fasteners and follow torque specifications during assembly. For lubrication, employ high-quality industrial gear oil as per the viscosity recommendations in the manual. Regularly check oil levels and change oil after the initial run-in period (typically 200 hours) and thereafter every 2500-5000 hours of operation, depending on environmental conditions. Inspect gears and bearings for wear during maintenance intervals, and replace parts if necessary to prevent downtime. Always refer to the installation guide provided with the unit for detailed steps.
FAQ
What is the maximum operating temperature for the ZQ series gearbox?
The ZQ series gearbox can operate efficiently in temperatures ranging from -20°C to 80°C. For extreme conditions, additional cooling systems or special lubricants may be required to maintain performance and longevity.
How do I select the right gear ratio for my application?
To select the appropriate gear ratio, calculate the required output speed and torque based on your machine's specifications. Consider factors like load type, operating hours, and environmental conditions. The gear ratio range for ZQ series is 8.23 to 48.57, allowing flexibility for various needs. Consult the technical datasheet or contact support for assistance in matching the ratio to your application.
Can the ZQ gearbox be used in explosive atmospheres?
Yes, but only if equipped with appropriate certifications and modifications. Standard models are not intrinsically safe for explosive environments. For such applications, specify explosion-proof versions that comply with ATEX or similar standards, and ensure proper installation to avoid ignition risks.
What maintenance intervals are recommended for the ZQ series?
Perform initial oil change after 200 hours of operation. Subsequent oil changes should occur every 2500 to 5000 hours, depending on usage intensity and environment. Regularly inspect for leaks, noise, or vibration, and check gear wear annually. Adhere to the maintenance schedule in the product manual to ensure reliability.
Is the ZQ series compatible with other brand components?
The ZQ series is designed to meet international dimensions and standards, making it generally compatible with components from other brands that adhere to ISO or AGMA specifications. However, always verify shaft sizes, mounting patterns, and performance ratings to ensure proper integration and avoid mismatches.
How does the ZQ gearbox handle overload conditions?
The ZQ gearbox is built with robust materials and heat-treated gears to withstand occasional overloads. However, continuous operation beyond rated capacity can lead to premature wear or failure. Install overload protection devices, such as torque limiters, in applications prone to sudden load spikes to safeguard the gearbox.
What lubrication type should I use for the ZQ series?
Use high-quality extreme pressure (EP) gear oil with viscosity grade ISO VG 150 to 320, depending on operating temperature and load. Refer to the manual for specific recommendations. Avoid mixing different oil types, and ensure the oil is free from contaminants to maintain optimal lubrication and reduce wear.
Can I mount the gearbox in any orientation?
The ZQ series supports multiple mounting orientations, including horizontal, vertical, and flange-mounted setups. However, ensure proper lubrication distribution by following orientation-specific guidelines in the manual. Incorrect mounting may affect oil flow and lead to inadequate lubrication or damage.
What is the typical lifespan of a ZQ series gearbox?
With proper maintenance and under normal operating conditions, the ZQ series gearbox can last over 20,000 hours. Factors such as load, environment, and maintenance practices influence lifespan. Regular inspections and timely replacements of worn parts can extend service life significantly.
How do I troubleshoot unusual noise from the gearbox?
Unusual noise may indicate issues like misalignment, insufficient lubrication, or gear wear. First, check alignment and lubricant levels. If noise persists, inspect gears and bearings for damage. Consult the troubleshooting section of the manual or seek professional assistance to diagnose and resolve the issue promptly.
As a ZQ Series Cylindrical Gearbox manufacturer and supplier in Vietnam, we have our own factory. If you are interested in purchasing product, get in touch!
