B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/06 (2006.01)
Patent
CA 2126415
A cooling drum which can continuously cast a favorable band-shaped cast piece having little thermal deformation and a method for manufacturing the same cooling drum, are disclosed. The cooling drum comprises a three- layer structure consisting of a rigid member 51, a cooling member 53 metallurgically bonded to the outside of the rigid member 51, and a heat-resistance member 54 plated by electro-deposition on the outer circumferential surface of the cooling member 53. The rigid member 51 is made of austenite group stainless steel, the cooling member 53 is made of Cu or Cu-alloy, and the heat-resistance member 54 is made of either Ni or its alloy or Co or its alloy. Within the rigid member 51 are equipped partition walls 61, 62 and tubular partition walls 63. To the opposite end portions of the rigid member 51 are connected hollow shafts 52 adapted to be rotationally driven, by means of bolts 52 after shrinkage fitting. In the cooling member 53 are drilled cooling holes 57, 58 for communicating a coolant as distributed over the entire circumference, extending in the axial direction of the drum. The cooling holes 57, 58 are communicated with a flow passageway of a coolant formed by the partition walls 61, 62 and the tubular partition walls 63 through cooling passageways 57a, 58a.
Matsumoto Takahiro
Sasaki Kunimasa
Tanaka Kisaburo
Wakiyama Youichi
Yamamoto Keiichi
Mitsubishi Jukogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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