Tapered Bar Locks are primarily used to prevent core shift during injection melt. All tapered bar locks typically use a non-locking taper greater than 7 degrees, with most locks using a 10-degree taper per side. The long rectangular bar with large locking contact does not provide early alignment for protection of cores and the mold must be completely closed to provide an accurate location. Before installing bar locks you must also consider thermal expansion. A 10° F difference at 24 inches will cause a .0015 interference. Depending on the temperature and size of the mold, interference can even be larger. Tapered bar locks should always be installed parallel to the expansion. This puts limits on the flexibility of installation location.          

About First-rate Mold Solution Co., Ltd.
First-rate Mold Solution Co., Ltd. in China, provide industry design,mold design,mold manufacturing,molding analysis,project management service.

 About www.firstratemold.com
our website has a lot of professional knowledges in mold industry in blog and news, also we are interested in CAD/CAM/CAE, such as AUTOCAD,UGNX, PRO/E,CATIA, CIMATRON, SOLIDWORKS, MOLDFLOW and so on,we welcome professional engineer,mold maker and someone who are interested in injection molding,plastic product,injection mold and mold industry to our section of blog and news,we would like to share with them