Forming-tool design innovation and intelligent tool-structure/system concepts

Qin, Yi

doi:10.1016/j.ijmachtools.2006.01.013

Cited by 29 publications

(14 citation statements)

References 20 publications

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“…The SMA can resume a previous shape above a critical temperature, and also gains an increased strength and modulus with increasing temperatures. This allows for an in-process adjustment of the die diameter -a necessity in extrusion and drawing processes [3].…”

Section: Previous Workmentioning

confidence: 99%

Adjustable broaching tool for tolerance compensation in precision manufacturing

Nielsen

Eriksen

Paldan

et al. 2015

MATEC Web of Conferences

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Abstract. Current manufacturing of precision tools for machining typically requires processes such as grinding, EDM or laser processing in order to comply with high requirements on tolerances. However even tools manufactured by these processes come short, when a new batch of workpieces are supplied, and their tolerances are not compliant. This approach presents a precision broaching tool for adjusting the inner diameter of an external broach. The tool compensates for the manufacturing tolerance chain of tool and workpieces by up to 37 m. The approach is based on conventional shrink fitting of cold forging tools. A numerical and analytical model of the compression is compared with experimental results.

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Section: Previous Workmentioning

confidence: 99%

Adjustable broaching tool for tolerance compensation in precision manufacturing

Nielsen

Eriksen

Paldan

et al. 2015

MATEC Web of Conferences

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“…Combination of the requirements of handling small parts and forming parts to greater precision adds difficulty to forming-tool design and fabrication. The development of intelligent forming-tools to relax design and manufacturing requirements should be considered as an option [51]. The development of micro-forming also renders challenges to the fabrication technology of microtools, small tool-dimensions and required tolerances being particular concerns.…”

Section: Improvement Of the Precision And Performance Of Existing Minmentioning

confidence: 99%

Micro-forming and miniature manufacturing systems — development needs and perspectives

Qin

2006

Journal of Materials Processing Technology

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“…This technology could make a large contribution to the micro-scale manufacturing [15][16] which requires the thickness range of 5-100 µm [17][18][19][20] with positional precision in the range of 0.1 to 10 µm [21], for microactuators based on lead zirconate titanate (PZT) [22] to provide wide deflections and high actuation force [23]. There is another strong problem connected with the layer-based manufacturing technologies for instance layer stairstepping effect [24].…”

Section: Introductionmentioning

confidence: 99%

Accelerated Algorithm for Solids of Revolution Converting into Ribbon by Spiral Coordinate System

Esheeva¹

2017

IJIES

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Abstract:The article considering the problem of quick transformation of solids of revolution into raster layer for Roll Powder Sintering (RPS) additive manufacturing technology. The author describes the algorithm for solving this problem. This work is devoted to the development and the validation of the impetuous algorithm for converting the 3D coordinates of a solid of revolution to spiral coordinates. It is based on the assumption that one point on the figure of revolution is predetermined multitude of points in the spiral coordinate system and these can be defined without calculations because of symmetry properties. Such method provides to accelerate the performance of the coordinate conversion thousand fold and real time forming objects 1.5 m 3 in volume with layer thickness ~25 µm by non-powerful computers per hour. The proposed algorithm has been extensively tested and proven by numerical examples of several parts of computer aided design models. It is faster than other coordinates transformations and can be extended to the acceleration converting and processing geometry of 3D objects.

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Forming-tool design innovation and intelligent tool-structure/system concepts

Cited by 29 publications

References 20 publications

Adjustable broaching tool for tolerance compensation in precision manufacturing

Adjustable broaching tool for tolerance compensation in precision manufacturing

Micro-forming and miniature manufacturing systems — development needs and perspectives

Accelerated Algorithm for Solids of Revolution Converting into Ribbon by Spiral Coordinate System

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