Street Address: No. 4, Weili Village, Huaiyin District, Jinan City
City: Jinan
Province: Shandong
Country/Region: China
Acura
KFRW t400 Multi-spindle rings rolling machineGENERAL TECHNICAL CHARACTERESTICS:l Purpose bearing rings blanks hot rolling.l Blanks material bearing steels 154 GOST 801-78 GOST 801-78GCr15GCr15SiMnGCr4GCr15SiMoGCr18MoG20CrMoG20CrNiMoG20CrNi2MoG20Cr2Ni4G10CrNi3MoG20Cr2Mn2Mol Metal temperature before rolling - 1000-1100 l Location of rolls axes vertical, number of inner rolls not less than 4.l Loading/unloading of parts manuall Rolling accuracy variability of sizes (tolerance) under control diameter and end-faces not more than 1,5 mm l Main motion drive electric.l Power supply requirements - 380 +/-10 %, three phases, 50 Hz.Rings parameters after rollingControlled parametersSize tolerance, mmVariation in wall thickness, not more1,2Ovality and conicity of outer surface1.5Ovality and conicity of inner surface2.5Forging width variation 1.5Circular burr in axial direction width not more2.0Circular burr in radial direction width not more2.0Ends gradation and concavity from minimum size, not more0,8Underfill in angles with radius R not more6,0Surface defects of forging character, depth of marks on the outer surface fromminimum size, not more (GOST 8479-70)0.5Surface defects of forging character, depth of marks on the inner surface fromminimum size, not more (GOST 8479-70)0.5Surface defects of forging character, depth of marks on width from minimumsize, not more {GOST 8479-70)0.7