Rigid Expansion Coupling Details
| Product Name | Rigid Expansion Coupling |
| Type | Rigid coupling with axial expansion capability |
| Core Material | High-strength alloy steel or carbon steel |
| Surface Hardness | HRC 50–60 |
| Max. Diameter | Up to 500 mm (customizable) |
| Speed Rating | Up to 6,000 RPM (depending on size) |
| Lubrication | Typically maintenance-free, dry or with anti-rust coating |
Product Advantages
High Torque Transmission:
Provides reliable and efficient torque transfer without backlash due to its rigid structure.
Axial Expansion Compensation:
Effectively accommodates thermal expansion and contraction, preventing stress on connected shafts.
Durable Construction:
Made from high-strength alloy steel with excellent wear resistance and surface hardness for long service life.
Low Maintenance:
Requires minimal or no lubrication, ensuring easy installation and reduced operational costs.
20+ years of experience as Rigid Expansion Coupling manufacturer
Specialized in designing, producing and processing various specifications of synchronous wheels, gears, sprockets, racks, couplings and other transmission accessories
Semi-finished Parts Pictures:
Custom 6-Mode Stainless Steel Gears
Custom Finished Hole Sprockets
Customized 1.2 Inch Large Sprocket
Custom Gear Shaft
Customized Electric Cylinder Coupling Shaft
Customized Aluminum Flange
Packaging Pictures：
Our Certificate
CE
ISO45001
ISO14001
ISO9001
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FAQ
Do couplings require regular lubrication?
Due to the high-quality materials and surface treatment, most designs are maintenance-free and do not require regular lubrication.
Which industries typically use rigid couplings?
They are widely used in heavy machinery, power transmission systems, steel mills, mining equipment, and other high-torque applications.
Can the size and specifications be customized?
Yes, the diameter, material, and torque capacity of the coupling can be customized to meet specific application requirements.
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