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Ultrasonic Peen Forming Process

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Ultrasonic Peen Forming Process

Mechanical Peen Forming operations , also called needle straightening or shot peen forming generally means finishing the shape of a component or a metal structure.

Following large deformations, these straightening or forming operations can be performed using a high-load press to exert mechanical pressure.

For finishing, or where deformation occurs after chemical or mechanical treatment, the most common way to precisely adjust the curvature of a work piece is to use a simple boilermaker hammer. The use of the hammer involves a significant treatment time and can cause musculoskeletal disorders to the operator. A pneumatic hammer may also be used.

PRINCIPLE OF THE ULTRASONIC PEEN FORMING PROCESS

Our cold impact mechanical treatment process is a reliable and proven alternative to a hammer or pneumatic hammer, with less impact on operator health.

With efficient process control combined with quick and easy tooling, this solution is increasingly becoming popular throughout the industry.

The forming and straightening operation changes the geometry of a metal piece to progressively reach the desired shape.

This mechanical peen forming and straightening process uses STRESSONIC® technology. The impactors located in the treatment head pick up velocity in contact with the vibrating sonotrode and impact the metal to be treated. They act like a network of tiny hammers striking the surface at high frequency, and independently of each other. This creates superficial compressive stresses.

The difference in stress between the surface and the core of the metal plate causes a change in the plate curvature. By treating the appropriate surface, it is possible to adjust the shape of the part to the specified geometry.

The peen forming treatment is applied on the part with our portable peen forming equipment : STRESSVOYAGER® UPF.

STANDARDS AND SPECIFICATIONS

  • SAE/AMS 2588

Ultrasonically activated Needle Peen Forming

  • AIRBUS AIPI 03-10-001

Rectification of metal materials by shot peening

  • AIPS 03-10-001

Hard Metal Forming – General Requirements

  • DASSAULT DGQT 4 2 0152

Finishing of mechanically machined aluminium alloy parts

  • DASSAULT DGQT0 8 3 0181

Ultrasonic activated shaping

StressVoyager Needle Forming - SONATS - EMPOWERING TECHNOLOGIES

Download our brochure about straightening and peen forming ultrasonically activated.

Progressive effect of the ultrasonic mechanical shot peen forming process on an aluminium part | SONATS

Progressive effect of the ultrasonic mechanical peen forming process on an aluminium part.

Head end-piece for shot peen forming treatment | SONATS

Ultrasonic needle straightening – mechanical peen forming treatment peening head end-piece.

SCIENTIFIC PUBLICATIONS

Systematic review of UIT parameters on residual stresses [...]

Michelle. E. Haggett. Systematic review of UIT parameters on residual stresses of sensitized AA5456 and field based residual stress measurements for predicting and mitigating stress corrosion cracking. Thèse de master. Monterey Califonia : Naval Postgraduate School, 1 vol.

Read more

Surface Property Enhancement of UNS N07718 and G41400 by Ultrasonic Impact Treatment

V. Singh et al., “Surface Property Enhancement of UNS N07718 and G41400 by Ultrasonic Impact Treatment”, Materials Science Forum, Vols. 783-786, pp. 2863-2868, 2014

Read more
Download our brochure about straightening and peen forming ultrasonically activated.

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