TheWater Cooled Spring Wet End Grinder with CNC control system also called Water Cooled Spring End Grinding machine orspring end milling machine is researched by Wintime Machinery Co.,Ltd for heavy duty springs or big springs grinding and milling .Feed speed can be set to keep the end from being grinded over.High work efficiency.Servo motor and ball screw feed .Bar material installed easily.Bar material W.D is Φ10—Φ70mm&O.D is Φ80—Φ500mm&Spring Length is 1100mm .Max grinding wheel size is Φ900mm（36``）and can be custom-designed . 2 pieces heavy duty springs likebolster springs、suspension helical spring for locomotive or 4 pieces small springs likecar springs orleaf springs are available at the same time. It can cast V-shaped grinding machine guide rail.Grinding accuracy is high and its working condition is cleaner and more environmental than the traditional machine`s through cooling water circulation use and filtration with iron fillings.More details about WHG-900S Water Cooling Spring End Grinder ,please search Wintime Machinery Co.,Ltd on the internet or search Vickey Tang on Facebook.