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Mold-cavity bobbing

Beryllium copper n. Copper containing about 2.7% beryllium and 0.5% cobalt, used for blow molds and insertable injection-mold cavities. The small percentages of Be and Co greatly increase the strength and hardness of the copper whole preserving its high thermal conductivity and corrosion resistance. Beryllium copper is easily pressure cast and bobbed into mold cavities. [Pg.104]

Chase (shoe) n. An enclosure of any shape used to (1) Shrink-fit parts of a mold cavity in place. (2) Prevent spreading or distortion in bobbing, (3) Enclose an assembly of two or more parts of a split-cavity block and (4) A rectangular metal frame in which type and plates are locked up for letterpress printing. [Pg.180]

Hob lhab n [ME hobbe, fr. Hobbe, nickname for Robert] A master model of hardened steel that is pressed into a block of softer metal to form a number of identical mold cavities. The bobbed cavities are inserted into recesses in a steel mold base and are connected by a runner system. (2, v) To form a mold cavity by forcing a hardened steel hob, having the inverse shape of the... [Pg.369]

See other pages where Mold-cavity bobbing is mentioned: [Pg.304]    [Pg.364]    [Pg.370]    [Pg.502]    [Pg.506]    [Pg.439]    [Pg.304]    [Pg.364]    [Pg.370]    [Pg.502]    [Pg.506]    [Pg.439]    [Pg.363]    [Pg.364]    [Pg.439]    [Pg.439]    [Pg.83]    [Pg.300]    [Pg.32]    [Pg.261]    [Pg.464]   
See also in sourсe #XX -- [ Pg.364 ]



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