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  2. Upset - Wikipedia

    en.wikipedia.org/wiki/Upset

    Upset (wastewater treatment), temporarily decreased effluent quality; Aircraft upset, a dangerous aviation condition; Upper set, in mathematics; UpSet Plot, in data visualization; Upset forging, a forging process where a workpiece's diameter is increased by compressing its length. Upset, a type of fault in wood, see Shakes (timber) § Thunder ...

  3. Rule based DFM analysis for forging - Wikipedia

    en.wikipedia.org/wiki/Rule_Based_DFM_analysis...

    Upset forging increases the diameter of the workpiece by compressing its length. Based on number of pieces produced this is the most widely used forging process. Upset forging is usually done in special high speed machines; the machines are usually set up to work in the horizontal plane to facilitate the quick exchange of workpieces from one ...

  4. Sidney L. Pressey - Wikipedia

    en.wikipedia.org/wiki/Sidney_L._Pressey

    Pressey's machine had a window with a question and four answers. The student pressed the key to the chosen answer. The machine recorded the answer on a counter to the back of the machine, and showed the next question. The great idea was to fix the machine so that it would not move on until the student chose the right answer.

  5. Forging - Wikipedia

    en.wikipedia.org/wiki/Forging

    Forging a nail. Valašské muzeum v přírodě, Czech Republic. Forging is one of the oldest known metalworking processes. [1] Traditionally, forging was performed by a smith using hammer and anvil, though introducing water power to the production and working of iron in the 12th century allowed the use of large trip hammers or power hammers that increased the amount and size of iron that could ...

  6. Forge welding - Wikipedia

    en.wikipedia.org/wiki/Forge_welding

    Forge welding is a process of joining metals by heating them beyond a certain threshold and forcing them together with enough pressure to cause deformation of the weld surfaces, creating a metallic bond between the atoms of the metals.

  7. Repetition compulsion - Wikipedia

    en.wikipedia.org/wiki/Repetition_compulsion

    Repetition compulsion is the unconscious tendency of a person to repeat a traumatic event or its circumstances. This may take the form of symbolically or literally re-enacting the event, or putting oneself in situations where the event is likely to occur again.

  8. Disappointment - Wikipedia

    en.wikipedia.org/wiki/Disappointment

    Disappointment is the feeling of dissatisfaction that follows the failure of expectations or hopes [1] to manifest. Similar to regret, it differs in that a person who feels regret focuses primarily on the personal choices that contributed to a poor outcome, while a person feeling disappointment focuses on the outcome itself. [2]

  9. Upset welding - Wikipedia

    en.wikipedia.org/wiki/Upset_welding

    upset(butt)welding machine. Upset welding (UW)/resistance butt welding is a welding technique that produces coalescence simultaneously over the entire area of abutting surfaces or progressively along a joint, by the heat obtained from resistance to electric current through the area where those surfaces are in contact.