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                  Sat, Oct 16, 2021 23:33:32 GMT


                  Casting Parts

                  Aluminum Foundry

                  When "sand casting" the second half of the first type

                  on the plate,put sand box filled sand compaction Calibrating

                  made under type finish, made a good sand will be rotated

                  180 degrees, put a halfsize, sprinkle parting agent,

                  put the sand box, fill and compaction of sand, Calibrating

                  the sand box will be rotated 180 degrees,respectively,

                  to remove the upper and lower mold halves,

                  then flipped 180 degrees on the type and the lower Hao,

                  sand making finished, waiting for pouring.

                  This process, commonly known - "foundry."

                  Carbon Steel Casting Gear Parts

                  1.according to use can be divided into the carbon steel,

                  carbon structural steel ,carbon tool steel and free cutting

                  steel three, steel structure is divided into engineering

                  construction steel and machinery manufacturing steel two;

                  2.by refining methods can be divided into open hearth steel,

                   converter steel;

                  3.according to the deoxidation methods can be divided

                  into boiling steel (F), steel (Z),semi killed steel (b) and

                  special steel (TZ);

                  4.according to the carbon content of the steel can be

                  divided into low carbon steel(WC ≤ 0.25%), carbon

                  steel (WC0.25% - 0.6%) and high carbon steel (WC>0.6%)

                  5.according to the quality of the steel can be divided into

                  ordinary carbon steel(carbon steel containing phosphorus,

                  sulfur, carbon steel (high quality),

                  low phosphorus sulfur) and high-grade steel

                  (phosphorus, sulfur less) and super high quality steel. Description:

                  the higher the hardness greater carbon content of

                  general carbon steel,strength is high, but low plasticity.

                  SUS Casting Parts

                  Sandblasting is powered by compressed air,

                  to form a high-speed jet beam will spray

                  material (copper sand, quartz sand, silicon carbide, iron ore, sand)

                  high-speed jet to the surface to be treated,

                  so that the surface appearance or shape changes.

                  Due to impact and abrasive cutting action on the work

                  piece surface, the surface of the work piece

                  to obtain a roughness of different cleanliness,

                  the mechanical properties of the surface is improved,

                  thereby improving the fatigue resistance of the work piece,

                  and the coating increases its adhesion between the coating

                  extends the durability,

                  but also conducive to peace and decorative paint flow.

                  Foundry Casting

                  Foundry casting sand with clay bonded molding

                  materials for the production of castings, is the

                  historic process method is the most widely used

                  process method. Speaking of a long history,

                  dating back thousands of years ago; On its scope

                  of application, you can say that no one around

                  the world do not have.

                  Cast Iron Frame

                  Cast iron is easy to cast shape complex parts;

                  cheaper; internal friction of cast iron, and have a

                  good vibration resistance. The disadvantage

                  is the long production cycle, higher unit production

                  costs; casting easy to produce waste, quality is

                  difficult to control; casting allowance big,

                  big machining costs. Common gray cast iron,

                  there are two: HT200 suitable shape is simple,

                  the unit pressure greater (p> 5 kg / cm 2) of the rail,

                  a large bending stress or (σ ≥ 300 kg / cm 2) and

                  other bed ; HT150's liquidity is good,

                  but somewhat less mechanical properties

                  suitable for complex shapes and load small base.

                  If the wear resistance of gray cast iron can not meet the

                  requirements, should be cast iron.

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                  Contact Us

                  Shanghai Derf Manufacturing Co.,LTD.
                  Address:Industrial Park, Tan Village, An Town, Xishan District, Wuxi City, Jiangsu Province, China
                  Tel: +86-0510-88717062
                  Fax: +86-0510-88717062


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