METHOD FOR MANUFACTURE OF CAKED PRODUCTS (VERSIONS) Russian patent published in 2004 - IPC

FIELD: powder metallurgy, in particular, production of compound-shaped articles.

SUBSTANCE: according to first version, method involves individually pressing parts of article blank and assembling said parts, with one part of blank being used as centering part and position of other parts being fixed relative to surface of centering part contacting with said part of article blank; fixing position of at least one part of article blank by means of related mounting member produced during pressing of one of article blank parts; upon caking, imparting desired shape to article by providing mechanical processing of at least one surface of caked article defined by mounting member. According to second version, method involves fixing one of parts of blank by means of three individual mounting members produced during pressing of this part of blank. Methods may be used for manufacture of working parts for immersion centrifugal pumps.

EFFECT: increased precision of resultant products and increased efficiency under mass production conditions.

19 cl, 5 dwg, 2 ex