page_title: Metalworking
section_title: Bulk forming processes
hierarchical_section_title: Metalworking / Forming processes / Bulk forming processes
caption_attribution_description: Schmiedeteil Hammer
context_page_description: Metalworking is the process of working with metals to create individual parts, assemblies, or large-scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts and delicate jewelry. It therefore includes a correspondingly wide range of skills, processes, and tools.
  Metalworking is a science, art, hobby, industry and trade. Its historical roots span cultures, civilizations, and millennia. Metalworking has evolved from the discovery of smelting various ores, producing malleable and ductile metal useful tools and adornments. Modern metalworking processes, though diverse and specialized, can be categorized as forming, cutting, or joining processes. Today's machine shop includes a number of machine tools capable of creating a precise, useful workpiece.
context_section_description: Plastic deformation involves using heat or pressure to make a workpiece more conductive to mechanical force. Historically, this and casting were done by blacksmiths, though today the process has been industrialized. In bulk metal forming, the workpiece is generally heated up.
  Cold sizing
  Extrusion
  Drawing
  Forging
  Powder metallurgy
  Friction drilling
  Rolling
  Burnishing
caption: A red-hot metal workpiece is inserted into a forging press.
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