Operation principle:  

　　JOU has developed a complete range of products specifically designed to be mounted directly on the gooseneck arm of a wide range of excavators.

 Work Principle:  

JOU’s Vibratory pile hammers are efficient hydraulic vibratory hammers that reduce the cohesion of the soil through vibration, allowing to easily drive or extract sheet piles, concrete piles and many other profiles.

Considering more and more applications of excavators in piling constructions, JOU has developed a complete range of Vibro hammers specifically designed to be mounted directly on the attached goose neck arm of a wide range of excavators.

 Technical parameter:  

Eccentric Moment: Mt（m.Kg）
Mt=Σ(mxr)
Eccentric Force：Fc（KN）
fc=m x r x ω2
Fo=1.118 x Mt x n2 x 10-5
Ex:VS250
Mt=4.5m.Kg, n=3000rpm
Fc=1.118 x 4.5 x 30002 x 10-5=452.8KN