Computer controlled Heavy Duty Spring Testing Machine researched by Wintime Machinery Co.,Ltd for secondary suspension for locomotive or vertical and lateral of railway spring also called helical suspension spring which obtains proprietary technology and is corresponding with the European Standard EN13298. It is specially designed for testing heavy duty springs of railway rolling stock such as hi-speed railway springs or locomotive suspension springs or vehicle coil springs.Spring vertical & lateral drive and spring vertical force ,spring lateral force deflection and spring transverse stiffness measurement are available.Drawing of axial load ,displacement or deflection ,lateral force displacement curve is isochronous.Force sensor and AC servo motor and high precision ball screw vertical and lateral load ,the whole process is automatic.More details about TCD-CH-200KN(300KN) Computer control Spring Testing Machine for secondary suspension for locomotive,please search Wintime Machinery Co.,Ltd on internet or search Vickey Tang on Facebook