Ductile casting processing technology got the quick development
of their ears, ductile castings processing industry has been
highly automated, has already become an important sector to
modern industry.
The technology is the most rapidly growing, semi-continuous
casting and horizontal ductile castings, plate and strip
rolling, annealing without oxygen, etc., the technological
progress makes the production process shortened, ductile
castings consumption has decreased, the stability of the product
quantity is in constant increase, ductile castings in China in
the future development of the Lord is the product of pure, and
provide the high quality and the development direction, for
those small batch shall establish professional production line
of enterprise, to adapt to greater production methods.
Is very widely used ductile castings mainly used in machinery,
and some ductile castings are precision ductile casting ductile
castings are used in some instruments used so to the requirement
of ductile casting quality is higher, but the precision ductile
casting defect for repair, because the argon welding heat
affected big, repair will cause deformation of ductile castings,
lower hardness, crack, pinhole, wear and tear, such as secondary
defects, so the precision ductile casting defect repair is not
recommended that you use argon welding, you can use cold
welding, cold welding machine overcomes the above advantages,
cold welder ductile castings without preheating, there would be
no because of the high temperature of welding repair at room
temperature of sand holes, partial annealing, craze, pinhole,
wear until condition and without deformation, bite edge and
residual stress, and will not change the metal organization,
ductile castings is to mend the efficiency is very high so cold
welding machine is suitable for the repair precision ductile
castings.
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