Giabach Trade Technical Equipment Co.,ltd is a looking for Spring making machine using for Railway1, Kind of machine : Grinder top of circle spring machine - Diameter of Grindstone : 8001000 mm. - Speed grindering : With Grinstone 1000mm : 382 r/mim ; 800mm : 477 r/min - Diameter beside 80mm350mm. - Height: H 150mm450mm. - Diameter of steel wire 10mm50mm - Guarantee parrallel between top and bottom of sp ring and perpendicular with line center of spring : Deviation between top and bottom not over 1o.( parrallel) Deviation perpendicular of top and bottom with line center of spring not over 1o. - Holding spring must to control by hydraulic, and have to adjust to suitable with many kind of spring. - Length of machine platform must to adjust to suitable with springs will be grindered. - Mode grindering must to set auto. Speed grindering is linear . - Smooth after grinder must to reach 6. - Motive Power of motor : 30 kw. - Sourch Power 3 phases - 380V ; f 50Hz - Have system cooling for surface of Spring. - Have safety system for worker 2, Spring compression Testing machine by hydraulic - Must to testing springs as : Diameter 80mm350mm ; Height :H 50mm650mm ; Diameter of wiring of spring 10mm45mm. - Test Load : 20 tons - Must to check with parameter of spring as : Can check sharp of spring ( paralle l; perpendicular; height of spring correlative with force) - Result of measuring must to guarantee with equipment measuring standard of Vietnam - Power : 3 phase - 380/220V ; f 50Hz