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14:44 Sep 18, 2019 |
Polish to English translations [PRO] Tech/Engineering - Engineering (general) / academic course description | |||||||
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| Selected response from: Frank Szmulowicz, Ph. D. United States Local time: 09:52 | ||||||
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Summary of answers provided | ||||
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3 | simple (machine-tool) shape generating motion |
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simple (machine-tool) shape generating motion Explanation: ..or basic. The definition below speaks of the motion of the machine tool, not the workpiece. cc Ruchy podstawowe • Ruchy kształtowania – decydują o prawidłowym wykonaniu przedmiotu obrabianego. Zadaniem tych ruchów jest przemieszczanie narzędzia względem obrabianego przedmiotu po torach zgodnych z przyjętymi liniami charakterystycznymi. Ruchy kształtowania mogą być proste (ruch obrotowy i liniowy) i złożone np. ruchy stosowane do obróbki gwintów, uzębień, złożonych zarysów powierzchni. http://zseeim.edu.pl/pliki/Ruchy_w_obrabiarkach_pdf-3725.pdf ccccccccccccccccccccccccccccccccccccccccccccccccccc Machining Operations and Part Geometry Each machining operation produces a characteristic part geometry due to two factors: 1. Relative motions between the tool and the workpart • Generating –part geometry is determined by the feed trajectory of the cutting tool 2. Shape of the cutting tool • Forming –part geometry is created by the shape of the cutting tool Figure 22.2 - Generating shape: (a) straight turning, (b) taper turning, (c) contour turning, (d) plain milling, (e) profile milling http://www.me.nchu.edu.tw/lab/CIM/www/courses/Manufacturing ... CCCCC This paper deals with a machine tool design system based on a mathematical model of the shape generation process, aimed at establishing a systematic design methodology for new machine tools taking consideration of machining accuracy. In particular, emphasis is given to analysis of geometric errors on product surfaces due to kinematic errors of shape generating motions between tools and workpieces. The main topics are as follows: (1) the establishment of a mathematical model of shape generating motions of machine tools with kinematic errors; and (2) the estimation of geometric errors on product surfaces due to the kinematic errors in shape generating motions. https://www.jstage.jst.go.jp/article/kikaic1979/57/542/57_54... cccccccccc Shape generating motion: Used to shape the generating line on the workpiece machining surface. It is equivalent to feed motion when it is independent of main motion, such as the cutter translation along the trace of milling machine, the grinding carriage and work rest feed motion of gear grinding machine https://pdfs.semanticscholar.org/b248/8cb469cf1cbdc7883d87e5... |
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