🛠️ Product Overview: YWZ4(YT1)-800/320 Electro-hydraulic Drum Brake
This brake is a heavy-duty industrial fail-safe device. The model number provides specific details about its size and actuator.
Model Number: YWZ4(YT1)-800/320
Type: Electric Hydraulic Drum Brake
Drive Mechanism: YT1 Series Thruster (The number "320" indicates the specific thrust rating compatible with the YT1-320 model).
Action: Fail-Safe (Normally Closed)
Braking: Spring-applied (Engages when power is cut).
Release: Hydraulic pressure (from the YT1 thruster) opens the brake.
Key Feature: Standardized Design. Complies with industrial standards (JB/ZQ4388, JB/T 6406), ensuring interchangeability and ease of maintenance.
📋 Key Technical Specifications
表格
| Parameter | Specification for YWZ4(YT1)-800/320 |
|---|---|
| Brake Wheel Diameter | 800 mm (Indicated by "800" in model) |
| Thruster Model | YT1-320 (Indicated by "320" in model) |
| Rated Thrust | ~3200 N (Approx.) |
| Typical Stroke | 120 mm (Standard for this size class) |
| Power Supply | AC 380V / 50Hz (3-Phase) |
| Applicable Standards | JB/ZQ4388, JB/T 6406 |
✨ Key Features
Fail-Safe Design: Operates on a "Normally Closed" principle. If there is a power failure, the spring force automatically engages the brake, ensuring the load is secured.
Smooth Operation: The electro-hydraulic drive provides a soft start and stop, reducing mechanical shock to the equipment.
Low Maintenance: Features self-lubricating bearings at the pivot points, eliminating the need for frequent greasing.
Adjustable Torque: The braking torque can be easily adjusted by changing the length of the main spring.
Versatile Lining: Brake linings are available in different materials (e.g., semi-metallic, non-asbestos) to suit various operating conditions.
🏭 Typical Applications
The YWZ4(YT1)-800/320 is used in heavy industries requiring reliable stopping power:
Crane & Hoists: For hoisting and traveling mechanisms.
Conveyors: Belt conveyors in mining and ports.
Metallurgy: Rolling mills and transfer cars.
Heavy Machinery: Any industrial machinery requiring high-torque braking.
💡 Operational & Maintenance Tips
Oil Level: Regularly check the hydraulic oil level in the YT1-320 thruster. Top up with the specified oil (e.g., DB-25) if necessary.
Lining Wear: Monitor the wear of the brake linings. If wear is excessive, the brake may not release properly or may have reduced stopping power.
Heating Option: In sub-zero environments (< 0°C), consider installing a heating element in the thruster to prevent oil from gelling.
Manual Release: The brake features a manual release mechanism for easy adjustment and maintenance.
