Download e-book for iPad: CAD/CAM of Sculptured Surfaces on a Multi-Axis NC Machine: by Stephen Radzevich

By Stephen Radzevich

ISBN-10: 1598297651

ISBN-13: 9781598297652

Many items are designed with aesthetic sculptured surfaces to augment their visual appeal, a major think about buyer delight, specifically for car and patron electronics items. In different circumstances, items have sculptured surfaces to satisfy sensible requisites. sensible surfaces have interaction with the surroundings or with different surfaces. due to this, practical surfaces can be known as dynamic surfaces. useful surfaces don't own the valuables to slip over itself, which reasons major complexity in machining of sculptured surfaces. the applying of multiaxis numerically managed (NC) machines is the one manner for a good machining of sculptured surfaces. aid of machining time is a serious factor while machining sculptured surfaces on multiaxis NC machines. to lessen the machining price of a sculptured floor, the machining time has to be as brief as attainable. desk of Contents: creation / Analytical illustration of Scupltured Surfaces / Kinematics of Sculptured-Surface Machining / Analytical Description of the Geometry of touch of the Sculptured floor and of the producing floor of the Form-Cutting software / Form-Cutting instruments of optimum layout / stipulations of right Sculptured-Surface new release / anticipated Accuracy of the Machined Sculptured floor / optimum Sculptured-Surface Machining

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Additional resources for CAD/CAM of Sculptured Surfaces on a Multi-Axis NC Machine: The DG/K-based Approach (Synthesis Lectures on Engineering)

Example text

When machining a sculptured surface, CC-point can retain its location on the sculptured surface P and change its location on the generating surface T of the cutting tool. The orientation motion of this kind is referred to as the orientation motional motion of the second kind. Speed of the orientation motions of the cutting tool is a function of the variation in principal curvatures of surface P at the current CC-point and of the speed of the generating motion. Orientation motions of the cutting tool do not directly affect the stock removal capacity of the cutting tool or generation of the surface P itself.

P , should be premultiplied by Rs(1®2), and after that, postmultiplied by RsT(1®2).  (44) and (45) significantly simplifies formulae transformations.  (44) and (45) are valid for the generating surface T of the cutting tool. • • • • 29 chapter 4 Analytical Description of the Geometry of Contact of the Sculptured Surface and of the Generating Surface of the Form-Cutting Tool Priority of the sculptured surface to be machined over the rest of the elements of the machining process is the cornerstone of the DG/K-based method of surface generation.

70), the following equalities should be satisfied: LT NT − MT2 = F1 (LP NP − MP2 ) (71) form-cutting tools of optimal design 51 ET NT − 2FT MT + GT LT = F2 (EP NP − 2FP MP + GP LP ) (72) ET GT − FT2 = F3 (EP GP − FP2 ) (73) These expressions analytically describe the vital link between the optimal values of the design parameters of the form-cutting tool and between parameters of the actual process of sculpturedsurface machining. Equations (71) through (73) allow incorporating into the design of the actual cutting tool all of the important features of machining operation: cutting tool performance, tool wear, rigidity of a cutting tool, etc.

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CAD/CAM of Sculptured Surfaces on a Multi-Axis NC Machine: The DG/K-based Approach (Synthesis Lectures on Engineering) by Stephen Radzevich


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