New PDF release: Aluminium Cast House Technology VIII

By Peter R. Whiteley

ISBN-10: 087339562X

ISBN-13: 9780873395625

ISBN-10: 1118787307

ISBN-13: 9781118787304

From the eighth Australasian convention on Aluminium Casthouse know-how in Brisbane, Australia, September 14-17, 2003

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Extra info for Aluminium Cast House Technology VIII

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3 Description of Installed Plant Prior to 1998 Redraw Rod: • • • • • • A stationary bottom pour mixing furnace with 25 tons capacity; 2 induction furnaces with holding capacities of 25 tons each; An inline, single rotor degasser (Own design); Inline ceramic foam filtration system (20 PPI); Properzi Casting machine, rolling mill (model 8 stands) and coilers; Manual casting and strapping operations; Extrusion Ingot: • • • • • • • • • • 4 Mixing furnaces with capacities of 25 tons each; 2 Mixing furnaces with capacities of 15 tons each; 4 Induction furnaces (holding furnaces) with capacities of 25 tons each; 2 induction furnaces with capacities of 15 tons each; 3 Conventional extrusion ingot, vertical direct chill (VDC), casting units of capacities between 12 and 25 tons; 2 rotary degassers; Inline ceramic foam filtration (20 PPI) 1 VDC unit utilizing Wagstaffairslip technology.

Remarks V V V V V V V Set up change (5 nos/month) Set up change (5 nos/month) Normal process In case of setup change In case of setup change The mold changing was targeted first for cycle time reduction. Brainstorming for mold changing time reduction was done and a very creative idea was generated to change the starting heads 6-7 at a time with the help of a specially designed arrangement and overhead crane. Conclusion In Cast Houses, continuous innovation & improvement has become a way of life, which in turn has resulted in worldwide acceptance and appreciation of HINDALCO'S products.

2 meters and is used primarily for the domestic market. 4 meters can be cast, allowing sales into the European rolling mills. The post-upgrade plant configuration includes: • 2 Pairs of 65 ton tilting mixing furnaces, 4 furnaces in total feeding VDC casting units; • Each furnace is equipped with a dedicated siphoning system (no furnace side wells for pouring); • Automated lauder level control, automated pneumatic launder gate controls and fixed launder covers; • 2 Fully automated casting centers.

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Aluminium Cast House Technology VIII by Peter R. Whiteley


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