The main defects of gray iron castings caused by moulding and core making and their causes analysis and prevention...
Jul 10 , 2021
(1) Holes
Features and
discovery methods:
Local holes: In
local parts of the casting, single holes or honeycomb holes with a clean and
smooth surface of the cavities appear
It can be found by
visual inspection, machining or magnetic inspection.
Cause Analysis:
1. The setting of
the gating system is unreasonable, so that the...