YWZ4-800/320 Electro-hydraulic Drum Brakes

🛠️ 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.

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