Three layer shot sleeve assembly and method of fabrication

Details Three layer shot sleeve assembly and method of fabrication Three layer shot sleeve assembly and method of fabrication

B - Operations, Transporting

22

D

22/67, 148/30.5

B22D 17/30 (2006.01) B22D 17/20 (2006.01) C21D 8/10 (2006.01)

Patent

CA 2002132

A three-layer shot sleeve assembly for transferring molten metals to a die and method of making same. A copper layer is welded onto a steel inner barrel leaving a region at each end of the inner sleeve uncoppered. A high yield strength outer shell is shrink fitted onto the coppered inner barrel. The two steel layers are welded together at the two ends. The steel outer shell is more massive and stronger than the inner barrel and serves to hold the inner barrel straight until excessive heat build up in the region opposite the well area is dissipated by the copper layer and transferred to the outer shell.

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