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  2. Rolling (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Rolling_(metalworking)

    In a traditional rolling mill rolling is done in several passes, but in tandem mill there are several stands (>=2 stands) and reductions take place successively. The number of stands ranges from 2 to 18. Tandem mills can be either of hot or cold rolling mill types. Cold rolling mills may be further divided into continuous or batch processing.

  3. List of worker deaths in United States labor disputes

    en.wikipedia.org/wiki/List_of_worker_deaths_in...

    Bay View Massacre: As protesters chanted for an 8-hour workday, 250 state militia were ordered to shoot into the crowd as it approached the iron rolling mill at Bay View, leaving 7 dead at the scene, including a 13-year-old boy. The Milwaukee Journal reported that eight more died within 24 hours. November 5, 1887 Pattersonville, LA Sugar Strike

  4. Bay View massacre - Wikipedia

    en.wikipedia.org/wiki/Bay_View_Massacre

    The Bay View massacre (sometimes also referred to as the Bay View Tragedy) was the result of a strike held on May 4, 1886, by 7,000 building-trades workers and 5,000 Polish laborers who had organized at St. Stanislaus Catholic Church in Milwaukee, Wisconsin to strike against their employers, demanding the enforcement of an eight-hour work day.

  5. Die (manufacturing) - Wikipedia

    en.wikipedia.org/wiki/Die_(manufacturing)

    A die is a specialized machine tool used in manufacturing industries to cut and/or form material to a desired shape or profile. Stamping dies are used with a press, [1] as opposed to drawing dies (used in the manufacture of wire) and casting dies (used in molding) which are not. Like molds, dies are generally customized to the item they are ...

  6. Tap and die - Wikipedia

    en.wikipedia.org/wiki/Tap_and_die

    While modern nuts and bolts are routinely made of metal, this was not the case in earlier ages, when woodworking tools were employed to fashion very large wooden bolts and nuts for use in winches, windmills, watermills, and flour mills of the Middle Ages; the ease of cutting and replacing wooden parts was balanced by the need to resist large amounts of torque, and bear up against ever heavier ...

  7. Roll forming - Wikipedia

    en.wikipedia.org/wiki/Roll_forming

    Roll forming, also spelled roll-forming or rollforming, is a type of rolling involving the continuous bending of a long strip of sheet metal (typically coiled steel) into a desired cross-section. The strip passes through sets of rolls mounted on consecutive stands, each set performing only an incremental part of the bend, until the desired ...

  8. American Brass Company - Wikipedia

    en.wikipedia.org/wiki/American_Brass_Company

    In June 1917, American Brass bought the Buffalo Copper and Brass Rolling Mills, the largest independent brass rolling mill in the country (one which employed 5,000 people). [2] The company had 70 mills in 1917. [2] During World War I, American Brass employed 16,000 workers and produced 1 billion pounds of material. [3]

  9. Lukens Steel Company - Wikipedia

    en.wikipedia.org/wiki/Lukens_Steel_Company

    After Rebecca died Isabella and Charles changed the name to Lukens Rolling Mill. [7] With all the changes another mill had to be built in 1890 making the company the largest mill in the United States. Within the same year the mill changed from a family partnership to a corporation, converting the name to Lukens Iron and Steel. [8] [9]