Product Description
The Wedge Expansion Hydraulic Decoiler is a flagship product in our precision series, utilizing a "wedge-style" expansion mechanism that provides more uniform pressure across the entire inner surface of the coil. This design is superior for preventing "coil-clocking" and ensuring that even thin-gauge materials are not deformed during the expansion process. Our design team in Wuxi has refined this Wedge Expansion Hydraulic Decoiler over years of production, moving from traditional linkage designs to this more robust wedge system. It's this attention to detail that has earned us a place as a trusted supplier for brands like the Swiss Buhler Group. Every Wedge Expansion Hydraulic Decoiler leaving our factory is a product of high-tech manufacturing, featuring heat-treated wedge plates for maximum durability.
We focus on the longevity of our components. The sliding surfaces within the Wedge Expansion Hydraulic Decoiler are precision-ground and equipped with lubrication points to ensure smooth operation over thousands of cycles. This machine is particularly effective for high-speed production lines where vibration must be kept to an absolute minimum. By choosing our Wedge Expansion Hydraulic Decoiler, you are investing in a piece of equipment that balances high-tech precision with the rugged reliability of a factory that has been in business for 30 years. Whether you are an overseas distributor looking for a high-quality product to add to your catalog or a manufacturer seeking to upgrade your facility, this decoiler offers the professional-grade performance you require.

Technical Specifications
|
Parameter |
Value |
| Expansion Type | Hydraulic Wedge-Slide Mechanism |
| Material | High-strength 40Cr Steel Wedges |
| Expansion Range | 470mm - 530mm |
| Drive System | Hydraulic Motor + Chain/Gear Drive |
| Accuracy | Spindle Run-out < 0.1mm |
Applications
Precision automotive parts production, high-end appliance panel forming, and aluminum coil processing.
Customization Capabilities
We can adjust the number of expansion segments (3 or 4) and the wedge taper to accommodate specific material types or coil diameters.
Packaging & Shipping
The unit is shipped with critical moving parts greased and covered. Small hydraulic components are boxed in export-standard wooden cases.
FAQ
Q: Can this handle aluminum coils without damaging the inner layer?
A: Yes, our Wedge Expansion Hydraulic Decoiler provides very uniform pressure, making it ideal for soft or sensitive materials.
Q: Do you accept third-party inspections?
A: Absolutely. We welcome inspections from agencies like SGS or BV before the machine leaves our factory.
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