cast iron round plate
The raw material of the round
plate is the high -strength HT20-40，whose surface hardness
is of HB170-240,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
Round plate adopts the
coloring method to inspect the machinery parts` geometric tolerance, which is
accurate, intuitive and convenient.
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