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ZWZB-315/300 Series Electromagnetic Drum Brakes
🛠️ Product Overview: ZWZ3-315/300 Electromagnetic Drum Brake This brake is part of the ZWZ3 series, designed for heavy-duty industrial applications requiring high reliability. It operates on a spring-applied, electromagnetic-release principle (Fail-Safe). Model Correlation: ZWZ3-315/300 Type:...
Description
🛠️ Product Overview: ZWZ3-315/300 Electromagnetic Drum Brake
This brake is part of the ZWZ3 series, designed for heavy-duty industrial applications requiring high reliability. It operates on a spring-applied, electromagnetic-release principle (Fail-Safe).
Model Correlation: ZWZ3-315/300
Type: DC Electromagnetic / AC-DC Universal (depending on the coil specification).
📋 Key Technical Specifications
表格
| Parameter | Specification |
|---|---|
| Model Number | ZWZ3-315/300 |
| Brake Wheel Diameter | 300 mm |
| Frame Size | 315 |
| Rated Voltage | DC 110V / 220V (Also available in AC 380V) |
| Braking Torque | 500 N·m |
| Operating Frequency | 720 cycles/hour |
| Ambient Temperature | -25°C ～ +40°C |
| Protection Level | IP54 (Dust protected, splash-proof) |
| Working Principle | Electromagnetic Opening, Spring Braking |
✨ Key Features
Fail-Safe Operation: The brake automatically engages when power is cut (via springs) and releases when the electromagnetic coil is energized. This ensures safety during power failures.
High Frequency Capability: With an operation frequency of up to 720 cycles per hour, it is suitable for applications requiring frequent starts and stops.
Universal Voltage: While primarily a DC brake, the "JINGGU" variant mentioned in the materials specifies an AC/DC universal capability (110/220/380V), offering flexibility in installation.
Robust Construction: Designed for harsh environments (metallurgy, mining, ports) with protection against dust and moisture.
🏭 Typical Applications
This series is commonly used in:
Metallurgical Machinery: Rolling mills, furnace charging machines.
Cranes & Hoists: For lifting and traveling mechanisms.
Conveyors: Belt conveyors in ports and mines.
Building Materials: Cement mixers and elevators.
💡 Maintenance & Operation Tips
Air Gap Check: Regularly inspect the gap between the brake lining and the drum. If the gap exceeds the allowable limit (due to wear), the braking torque will decrease.
Coil Voltage: Ensure the correct voltage (DC or AC) is supplied to the coil to prevent burnout.
Lining Wear: Monitor the thickness of the friction linings. Replace them before they wear down to the rivets to avoid damaging the brake drum.
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