01056nam a2200205Ia 4500 CTU_19192 210402s9999 xx 000 0 und d 671.2 H967 Hurst, Steve Metal casting : Appropriate technology in the small foundry Steve Hurst London Intermediate Technology 1996 The book provides how to make equipment using local materials, and the various casting techniques. It includes green sand moulding - low-cost and relatively simple, encompassing different methods of sand casting appropriate to various types of product - and investment casting, which is an order, more versatile and precise technique but is more time-consuming. These and other methods are described and compared along with preparation and melting, fault finding and remedies, and kilns and furnaces Foundries,Metal castings,Metal-work Minh, Năm Trung tâm Học liệu Trường Đại học Cần Thơ