Membrane aluminum coupling is a robust, metallic, and high-efficiency assembly, crafted from a series of tightly secured stainless steel layers, joined together with bolts arranged in a precise alternating sequence. It adeptly handles axial, radial, and angular misalignments between shafts, all while preserving the integrity of torque transfer. Designed for challenging operational conditions, its construction offers resistance to corrosion, guaranteeing dependable function in settings with high temperatures, swift movements, and aggressive chemical exposures. Common applications in industry include essential power transmission systems within facilities that specialize in petroleum refining, chemical processing, electricity generation, and metallurgical production.
Core Structure
1. High-Strength Aluminum Alloy Half Couplings
Made of lightweight and high-strength materials to ensure transmission rigidity and fatigue resistance.
2. Stainless Steel Diaphragm Set
Composed of multiple ultra-thin metal diaphragms, compensating for shaft misalignment (radial, angular, axial) through elastic deformation.
3. High-Precision Locking Bolts
Combined with anti-loosening design to ensure connection reliability during high-speed operation.
Core Advantages
- Zero backlash for precise motion transmissio
- Strong misalignment compensation capability
- Maintenance-free design for low operating costs
- Resistant to harsh environments (dust, moisture, chemicals)
- Membrane aluminum coupling Low vibration and noise for stable operation
Product Information
Product Parameter Information
Select the model based on the equipment's torque, speed, and shaft diameter;
Confirm the maximum shaft misalignment (radial ≤ 0.5mm, angular ≤ 1.5°, axial ≤ 1mm, subject to model parameters);
It is recommended to use customized materials for special environments (high temperature, high corrosion).
Application Scenarios
Selection Tips
Select the model based on equipment torque, speed, and shaft diameter;
Confirm the maximum shaft misalignment (radial ≤0.5mm, angular ≤1.5°, axial ≤1mm, subject to model parameters);
Customized materials are recommended for special environments (high temperature, high corrosion).
FAQ
Q: Does strict shaft alignment matter during installation? What are the effects of excessive misalignment?
A:Basic alignment is required (recommended radial deviation <0.3mm, angular deviation <1°). Excessive misalignment may cause:
1. Stress concentration in the diaphragm, reducing service life;
2. Increased vibration, affecting equipment precision;
3. Reduced torque transmission efficiency and higher energy consumption.
Use a laser alignment tool for installation to ensure long-term stable operation.
Q: Does the diaphragm coupling require regular maintenance? Is the maintenance cost high?
A:No regular maintenance is needed. It features a maintenance-free design:
• The stainless steel diaphragm set eliminates the need for lubrication, avoiding grease contamination or aging issues;
• High-strength aluminum alloy components are surface-treated for corrosion resistance, suitable for dusty, humid, and mildly corrosive environments;
• Simple structure with no vulnerable rubber or plastic parts, offering a service life of 8-10 years (depending on 工况).
It saves over 50% maintenance costs compared to traditional gear or elastic couplings.
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