Integrally cast bearing, method and apparatus for making same

摘要: The invention relates to a process for forming part including bore with bearing integrally cast thereto, the thus formed and apparatus part. includes hot machining into billet in non-oxidizing atmosphere introducing molten material, e.g., bronze about mandrel positioned while maintaining billet, material atmosphere. is drawn from cooled by cooling solidifying means therein adjacent an end of which last exit bore. sufficient progressively solidify as through it out further preferably heating intermediate other thereof maintain liquid state until passes there