Motor testing plate is used as measuring basis which is applicable to the coloring method test surface flatness, or as experimental work aids.
The raw material of theMotor testing plate is the high -strength HB170-350.After the two manual handing such as600℃to700℃artificial annealing as well as 2 to 3 years of natural aging, the T-slot has plate perfectly resists abrasion and has stable precision.