Understanding Forging: Techniques and Applications in Metalworking
Lesson 11 explores the process of forging, a method of shaping metal using compressive forces. Various types of forging methods, such as drop forging, enable the cost-effective production of both single pieces and mass quantities of identical parts. The lesson emphasizes the importance of precise temperature control within furnaces, often monitored by pyrometers, to achieve optimal forging conditions. This insight into forging equips learners with the foundational knowledge necessary for advanced metalworking applications.
Understanding Forging: Techniques and Applications in Metalworking
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Presentation Transcript
Lesson 11 Forging • Words and Phrases • supplement n. 补充，附录 • identical adj. 同样的 • squeeze n. v. 压榨，挤压 • approximate adj. 近似的，大约的
Sentences comprehension 1. Forging is the plastic working of metal by means of localized compressive forces exerted by manual or power hammers, presses, or special forging machines.
2. Various types of forging have been developed to provide great flexibility, making it economically possible to forge a single piece or to mass-produce thousands of identical parts.
3. In drop forging, a piece of metal, roughly or approximately of the desired shape, is placed between die faces having the exact form of the finished piece, and forced to take this form by drawing the dies together.
4. The piece to be forged are heated in furnaces in which the temperature is indicated by pyrometers, and often is automatically controlled.
