| crosshead [`krȯs´hed] MECHANICAL ENGINEERING A block sliding between guides and containing a wrist pin for the conversion of reciprocating to rotary motion, as in an engine or compressor. METALLURGY A device generally employed in wire coating which is attached to the discharge end of the extruder cylinder; designed to facilitate extruding material at an angle. MINING ENGINEERING A runner or guide positioned just above a sinking bucket to restrict excessive swinging. |