Ductile cast iron
is through get spheroidal graphite spheroidization and inoculation, effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, and the strength is higher than carbon steel.
Today the dongguan nodular cast iron nodular cast iron manufacturer will come to tell you about thing that should be how to clean.
Because of ductile casting spheroidal graphite microstructure, in terms of ability to weaken vibration, ductile casting is better than that of cast steel, thus reducing stress.
Choose ductile casting than one important reason is that ductile casting steel casting cost is low.
Ductile casting of low cost to make this kind of material with popular, the casting of high efficiency and less ductile casting machining cost.
Ductile casting after doffing, need to clean up the casting, it is a very important step in the casting process, casting cleaning is scientific and reasonable, on the surface of the casting quality has a great influence.
After casting, cleaning, is shakeout rid of casting body outside of the spare parts, and polishing finishing casting process on the surface of the inside and outside.
Main work to remove iron core and core, removal of gate and riser, brace and a meat, clear sticky sand casting and the surface foreign body, relief grinding cutting steel, such as sewing and burr projections, and casting surface grinding and finishing etc.
Several parts of the ductile casting surface cleaning ductile casting production is often with the help of dust venue, often with a lot of dust in air, they constantly fall on the surface equipment.
They can use water to get rid of or alkaline solution.
However, there is adhesion of dirt need high pressure water or steam to clean up.
On any surface, free iron will rust and corrosion of stainless steel.
Therefore must be removed.
Float pink usually can be removed with dust.
Some adhesion strong, must according to the embedded iron processing.
In order to prevent the lubricant process or products and/or dirt deposition, scratches and other rough surfaces must be mechanical cleaning.
Ductile casting before the production or manufacturing process sometimes see rust on the stainless steel product or equipment, it shows that surface severely contaminated.
Investment of equipment before use must get rid of rust, surface should be thoroughly cleaned by iron test experiment and/or water.
That is about ductile iron surface cleaning method, hope to be of help.
Small make up today at this point, to everyone in the fragrant ajie more related information, please attention the dongguan nodular cast iron factory, let's see you next time.
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