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YYH Onion Jack
Model: YYH15
Application: a special tool for the on-site embossing of the steel strand of the H-shaped anchorage in the prestress construction.
The steel strand onion jack is a special extrusion equipment for making H shaped fixed-end anchorage. It is mainly used to press the fixed end of the prestressed steel strand into a pear-shaped scattered flower shape. Replace the tool wedge that clamps the steel strand, which can be used for other specifications of the steel strand.
- The piston head in the top pressure cylinder has a large diameter, and the work can be completed under a lower pressure.
- The frame is made of high-quality carbon structural steel plate with a thickness of 4mm, which has high strength and firm and reliable welding.
- The tool wedge is made of 20CrMnTi material, which has a long life.
Specification of YYH Onion Jack
Model | Nominal Pressure (MPa) | Nominal Force (kN) | Cylinder Area (mm2) | Stroke (mm) | Return Pressure (MPa) | For Strand Diameter (mm) | Dimensions (mm) |
YHH15 | 50 | 30 | 616 | 75 | ≤25 | φ12.7, φ15.2 | 527*145*66 |
YHH22 | 50 | 60 | 1257 | 100 | ≤25 | φ17.8, φ21.6 | 755*200*90 |
