Yongkang Dongrun Casting Industry&Trade Co,.Ltd
Aluminum Sand Casting,Gravity Die Casting,Aluminum Die Casting
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E-Mail:dongrun@dongruncasting.com
Unlike most of our competition, we offer three types of castings –
aluminum sand casting,
gravity die casting and
aluminum die casting.
We can also provide tooling, CNC machining, polishing, plating, heat treatment, pressure test, vacuum Impregnation, assembly and testing for your orders.
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Sand Casting Supplies
We are reputed manufacturers and exporters of Sand Casting.
We offer our customers a comprehensive range of Sand Casting that match the strict quality requirements of International market which has earned our company the distinct reputation of being a quality oriented china Exporter of Sand Casting. We are recognized as one of the leading traders in this sector due to our capability to supply impeccable Sand Casting products to our customers. We laid our foot years back & ever since we are striving to deliver in our products innovation, competitive pricing & quality driven customer satisfaction.
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Aluminum FoundryDescription: In Dongrun Casting aluminium foundry, there are five large-scale sand casting product lines and twenty medium sand casting product platforms in the factory. -
Top pattern and bottom patternDescription
1. In Dongrun Casting Aluminum foundry, there are 5 five people who are skilled pattern maker to build patterns, using wood, aluminum, or resin. As usually, 1 set mold including top pattern and bottom. If the structure of mold is very complex, there is a sliding block, named core too. Such cores, sometimes reinforced by wires, are used to create under cut profiles and cavities which cannot be molded with the cope and drag, such as the interior passages of housing or cooling passages in CAC tanks. -
Sand mould--remove the patternDescription : 2. For our American project—flat on one side; ribs on other side, closed at the bottom and top together, be filled with prepared casting sand or green sand—a slightly moist mixture of sand and clay; The color is red, so aluminum sand casting is named red sand casting; if make cast iron, the color of sand is black, so iron sand casting is named black sand cast. The sand is packed in through a vibratory process or press process. The pattern is placed on the sand. Other sand is rammed over and around the pattern. Finally a cover is placed on the box and it is turned and unlatched, so that the halves of the mold may be parted and the pattern with its sprue and vent patterns removed. Additional sizing may be added and any defects introduced by the removal of the pattern are corrected. The box is closed again. This forms a "green" mold which must be dried to receive the hot aluminum. If the mold is not sufficiently dried a steam explosion can occur that can throw molten aluminum. Sand may also be bonded by chemical binders, such as furane resins or amine-hardened resins. -
Fill the mold cavity with molten aluminumDescription : 3. When we make sand moulds, there are some paths for the entrance of aluminum into the mold cavity constitute the runner system and include the sprue, various feeders which maintain a good aluminum 'feed', and in-gates which attach the runner system to the casting cavity. Gas and steam generated during casting exit through the permeable sand or via risers, which are added either in the pattern itself, or as separate pieces. To be free of any porosity, we will place filter screens on the sprues.
Sand Casting, Aluminum Sand Casting, Gravity Die Casting, Aluminum Die Casting, Die Casting, Aluminum Casting Processes, Sand Casting and Die Casting Processes, Permanent mold casting, Die Casting manufacture, Green Sand Molds, Aluminium Casting Foundry, Zinc die casting
