3KW双端雕刻机电主轴，雕刻机电机 1. Rev(rpm):24000 2. Power(kw):3 3.Voltage(V):220/380 4.Current(A):7 5.Frequency(HZ):400 6.Cool:cooled by water 7.Bearing type:2 7005C P4 1 7003CP4 8.Lubricate:grease 9.collet(mm):ER16 ER20 10.collet(mm):3-8mm 3-12mm 11.balance test result(ms*s):2.4rpm 5 12.repair time:bearing(half year),spindle(one year) 13.weight（kg）:9 14.Brand:changsheng