Different types to use laser as a forming tool

Vollertsen, Frank; Sakkiettibutra, J.

doi:10.1016/j.phpro.2010.08.044

Cited by 15 publications

(5 citation statements)

References 7 publications

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“…In the micro-scale laser forming application, these thermal processes, analogous to the upsetting and buckling mechanism, were used with appropriate scaled process parameters [15,16]. The upsetting mechanism is especially valid for tube bending with scans along the axial direction of the tube, where the shortening and thickening of the heated region in the axial direction causes the tube to bend upwards as schematically illustrated in Fig.…”

Section: Laser Tube Bending With Pre-stressesmentioning

confidence: 99%

Laser bending of pre-stressed thin-walled nickel micro-tubes

Jamil

Fauzi

Juinn

et al. 2015

Optics & Laser Technology

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Section: Laser Tube Bending With Pre-stressesmentioning

confidence: 99%

Laser bending of pre-stressed thin-walled nickel micro-tubes

Jamil

Fauzi

Juinn

et al. 2015

Optics & Laser Technology

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“…In laser forming the deformation of sheet metal is produced by thermal stresses, generated by a controlled defocused laser beam scanned over a surface [1][2][3][4]. During laser forming, the non-uniform expansion will occur due to the non-uniform thermal stresses; therefore the plastic deformation without spring back will be generated when the thermal stresses exceed the yield point of the material [4].The advantages of laser forming includes non-contact processing, flexibility, high degree of control and the possibility of automatic control.…”

Section: Introductionmentioning

confidence: 99%

“…A large number of relevant laser forming studies with high power continuous wave lasers at large scales have been published to date [1][2][3][4]8,9]. However, for the production of small scale components, micro laser forming has potential for widespread applications in the electronics industry [5].…”

Section: Introductionmentioning

confidence: 99%

Laser Forming Using a High Beam Quality Compact Fibre Laser

Gao¹,

Dearden²,

Edwardson³

2017

dtetr

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Abstract. Laser forming is an advanced manufacturing technique that can be used for the direct fabrication of high value and low volume metallic and non-metallic components e.g. ship hull; adjustment of small sections of parts to the desired shape e.g. car doors, propellers; and correction of unwanted distortion by controlled laser induced thermal stress. Important benefits of laser forming include no external mechanical tooling needed, wide-range of materials and scale of samples that can be formed, flexibility and automatic control. In the presented investigation, the object is to investigate the formability of the AISI 314 stainless steel thin sheet by fibre pulse laser with low power and high speed. An iterative control approach has then been used to achieve the desired bend angle.

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“…In contrast, Gu et al (2013) have proposed die-less free strip bending. Vollertsen and Sakkiettibutra (2010) have proposed a sheet stretch forming, which has been called laser shock forming, using shock waves as a substitute of punch. They have formed a thin aluminum sheet into a dome shape.…”

Section: Introductionmentioning

confidence: 99%

Microparts processing using laser cutting and ultra-short-pulse laser peen forming

Sagisaka

Yamashita

Yanagihara

et al. 2015

Journal of Materials Processing Technology

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A laser peen forming is a sheet metal forming method using laser induced shock waves. The laser peen forming with an ultra-short-pulse laser is a kind of non-thermal and die-less forming process, and is favorable for micro forming. The authors applied the laser peen forming to the bending of pure titanium thin sheet with a picosecond laser and a femtosecond laser. The changes of bending properties with atmosphere and pulse duration were investigated. The femtosecond laser irradiation in air showed the best bending efficiency. The femtosecond laser is applicable to laser cutting, also. Some thin sheets were cut into complicated shapes and bent by laser peen forming with femtosecond laser. The combined process allowed the production of various complicated small parts.

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Different types to use laser as a forming tool

Cited by 15 publications

References 7 publications

Laser bending of pre-stressed thin-walled nickel micro-tubes

Laser bending of pre-stressed thin-walled nickel micro-tubes

Laser Forming Using a High Beam Quality Compact Fibre Laser

Microparts processing using laser cutting and ultra-short-pulse laser peen forming

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