TAILIEUCHUNG - Turning and Chip-breaking Technology Part 6

Tham khảo tài liệu 'turning and chip-breaking technology part 6', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Turning and Chip-breaking Technology 83 a Multi-functional cutting insert geometry. NB Frontal insert s edge has a twisted geometry being rotated from the parallel plane but when positioned in the angularly offset tool holder the cutting edge becomes square while the trailing edge is twisted a few degrees to one side. Hence insert utilises less space and as a result does not drag along machined side walls. b Multi-functional tooling in action - illustrating excellent chip control. Figure 39. Multi-functional cutting insert geometry for efficient stock removal and increased part productivity. Courtesy of Iscar Tools 84 Chapter 2 Figure 40. Multi-functional tooling for the machining of rotational features such as turning grooving and profiling operations -having excellent chip control. Courtesy of Sandvik Coromant Turning and Chip-breaking Technology 85 Figure 41. By employing twin turrets on a mill turn centre balanced turning of the component can remove large volumes of stock at one pass. Courtesy of DMG UK Ltd. serts with improved insert security its toolholder location CNC programming simplified - many tooling manufacturer s have specially-prepared software to significantly reduce CNC programming input times. NB This latter point utilises CNC canned cycles to reduce program lengths. In Appendix 3 a guide for Trouble-shooting for turning operations are listed with possible causes and remedies to potential production problems. In the following chapters many other important chip-forming production processes will be discussed with hole-making techniques such as drilling being around 25 of all manufacturing techniques undertaken by machining-related companies - these and associated hole-production methods will be reviewed next. References Journal and Conference Papers Boston . A Research into the Elements of Metal Cutting Trans ASME 48 749-848 1926. Cocquilhat M. Experiences sur la Résistance utile Produ-ite dans le Forage Ann. Trav. Belgique 10 199 1851. .

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