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YP31 Series Electro-hydraulic Disc Brakes
The YP31 Series Electric Hydraulic Disc Brake is a high-performance, fail-safe industrial brake designed for heavy-duty applications requiring high reliability and minimal maintenance. It is part of the advanced YP series, known for its robust construction and self-adjusting mechanisms. Here is...
Description
The YP31 Series Electric Hydraulic Disc Brake is a high-performance, fail-safe industrial brake designed for heavy-duty applications requiring high reliability and minimal maintenance. It is part of the advanced YP series, known for its robust construction and self-adjusting mechanisms.
Here is a detailed breakdown of the YP31 series based on the technical specifications found:
1. Product Overview
The YP31 series is a spring-applied, hydraulically-released disc brake. It is engineered for modern heavy machinery where safety, precise control, and ease of maintenance are critical.
Design Principle: Normally Closed (Fail-Safe). The brake is held open (released) by hydraulic pressure when powered. If power fails, the springs automatically apply the brake to stop the machinery.
Compliance: Conforms to standards JB/T7020-2006 and DIN15435.
2. Key Technical Specifications
| Parameter | Specification Range | Details |
|---|---|---|
| Applicable Disc Diameter | 450 mm ～ 1100 mm | Fits a wide range of medium to large shafts. |
| Max Braking Torque | 2,700 N·m ～ 18,150 N·m | High torque capacity for heavy loads. |
| Drive Mechanism | Ed Series Thrusters | Models: Ed1250-60, Ed2000-60, Ed3000-60. |
| Closing Time | 0.25 s ～ 0.4 s | Fast response for emergency stops. |
| Ambient Temperature | -20°C ～ +50°C | Standard operating range. |
| Relative Humidity | ≤ 90% | Suitable for humid environments. |
3. Core Features & Advantages
Automatic Equal Clearance (Interlocking):
Features a linkage-type equal retreat device. This ensures that the gap (air gap) between the brake pads and the disc remains equal on both sides automatically. This prevents one-sided wear and ensures the brake releases cleanly without dragging.
Automatic Wear Compensation:
Equipped with a stepless (continuous) compensation device. As the brake linings wear down, the mechanism automatically adjusts to maintain a constant air gap and constant braking torque. This eliminates the need for frequent manual adjustments.
Self-Lubricating Hinges:
All major swing points are fitted with self-lubricating bearings. This reduces maintenance costs and ensures smooth operation even in dusty environments.
Plug-in Brake Linings:
The friction pads use a clip-in (insertion) design. This allows for very fast replacement without removing the brake from the shaft. Various materials (semi-metallic, powder metallurgy, copper-based) are available for different temperatures and wear requirements.
Visual Torque Adjustment:
The brake spring is housed inside with a scale ruler (torque indicator). This allows technicians to visually set and verify the braking torque.
Manual Release:
Comes with a manual release device, allowing the brake to be opened manually during power outages or for maintenance.
4. Typical Applications
The YP31 series is used in medium to heavy-duty industrial applications:
Cranes & Hoists: For hoisting and traveling mechanisms.
Conveyors: Belt conveyors in mining and ports.
Metallurgy: Rolling mills and furnace charging machines.
Construction Equipment: Concrete mixers and tower cranes.
General Machinery: Wherever a compact, high-torque disc brake is needed.
5. Available Add-ons (Optional)
To enhance safety and monitoring, the YP31 series can be equipped with various limit switches:
Open/Closed Limit Switches: To confirm the brake status to the control system (PLC).
Wear Limit Switch: Alerts when the brake linings are worn to their limit.
Manual Release Limit Switch: Provides a signal when the brake is manually released, ensuring safety interlocks work correctly.
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