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26 years’ professional manufacturer of die casting mold

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Email: kerry@alpinemold.com

Tel:+86-755-23429545

Addr: Block 3A, The 6th Industrial Area, Heshuikou Village, Gongming Town, Shenzhen City, Guangdong Province, China

About the Die channels

27 Nov 2017 - zinc die casting mold,die mold,die casting mold

About the Die channels


Die channels

The flow of molten metal into the part cavity requires several channels that are integrated into the die and differs slightly for a hot chamber machine and a cold chamber machine. In a hot chamber machine, the molten metal enters the die through a piece called a sprue bushing (in the cover die) and flows around the sprue spreader (in the ejector die). The sprue refers to this primary channel of molten metal entering the die. In a cold chamber machine, the molten metal enters through an injection sleeve. After entering the die, in either type of machine, the molten metal flows through a series of runners and enters the part cavities through gates, which direct the flow. Often, the cavities will contain extra space called overflow wells, which provide an additional source of molten metal during solidification. When the casting cools, the molten metal will shrink and additional material is needed. Lastly, small channels are included that run from the cavity to the exterior of the die. These channels act as venting holes to allow air to escape the die cavity. The molten metal that flows through all of these channels will solidify attached to the casting and must be separated from the part after it is ejected. One type of channel that does not fill with material is a cooling channel. These channels allow water or oil to flow through the die, adjacent to the cavity, and remove heat from the die.







die mold 
Die assembly - Open
(Hot chamber)
die mold 
Die assembly - Closed
(Hot chamber)
die mold 
Die assembly - Exploded view
(Hot chamber)


die mold 
Die assembly - Opened
(Cold chamber)
die mold 
Die assembly - Closed
(Cold chamber)
die mold 
Die assembly - Exploded view
(Cold chamber)


Alpine Mold

die mold



Alpine mold mainly specializes in high precision zinc die casting mold and die mold with more than 100 employees more than 20 years.At the beginning, we produced the molds and the molding parts for domestic companies, or some international trade companies. Now we are concentrated in international market. After more than 15 years’ development in this industry,we know the international mold standards very well, such as: HASCO, DME, MISUMI, LKM. Until now, we have produced more than 5000 sets of molds and have been molding millions of zinc parts for Sony, Toshiba, Volvo,Gree, Midea! Our products reach to the range of electronic products, automotive products, home appliances and so on in zinc,zamak 3,zamak 5,aluminium etc materials 


Equipped with the most advanced software such as ProE, UG, CATIA, Solid works and Moldflow for designing, analyzing and manufacturing, Alpine Mold has imported a lot of sets high precision zinc die casting mold machines from German and Japan, including High Speed CNC, EDM, Wire Cutting Machine, and CMM Inspection Machines and so on to guarantee the die mold with high standard product quality. 


Alpine Mold persists in the die mold with higher quality, lower cost, punctual delivery as the primary business philosophy. Based on professional, people-oriented, and customer-centered management, Alpine Mold takes "customer - oriented, Quality first" as company`s aim, committed to provide clients with high quality products and overvalued services by right of advanced technologies, scientific management, and continues improvement.











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E-mail:sales03(at)alpinemold.com


Website:http://www.chinesediecastingold.com






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