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SHOT PEENING MACHINE

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Cym Materiales Argentina and Metalcym Brasil manufacture equipment for the treatment of shot peening, Double Shot Peening and Stress Peening with abrasive impulsion carried out by pressure nozzles or centrifugal turbines according to the requirement of parts to be processed.

The shot peening process is mainly used in components subject to bending or torsional stresses, the following being the most common applications:

  • CNC Robot for localized shot peening
  • Aircraft components
  • Axial compressors
  • Cams and Crankshafts
  • Chain Bolts and Side Bars
  • Diaphragms or clutch discs
  • Gearbox gears, crowns and pinions
  • Shot-peening and stress peening of coil springs and leaf springs
  • Torsion bars
  • Mining Components - Rock Drills
  • Components for the oil industry:
    • Sucker rods,
    • Threaded pipe connections
    • Vertical drilling tool shafts

 

Brief description of the shot peening process:

The shot-peening process is a particular case within the range of the shot blasting process, by means of which compressive stresses are induced in a metal surface, exposing it to a jet of spherical particles (shot) at high speed and keeping the parameters controlled. of the operation.

During the shot-peening process, in addition to producing the aforementioned effect, the surface is cleaned as in a normal blasting task, but this is only a secondary effect of the process, the basic purpose being to increase the fatigue resistance of the material. .

When the shot is propelled in a high speed flow, it impacts on a metal surface, forming a surface profile made up of rounded valleys and ridges and products of the plastic deformation of the metal during impact. This deformation extends between 50 and 250 microns in depth.

 

The effect obtained after shot-blasting constitutes the crushing of the metallographic grains on the metal surface. With this, there are two effects:

  • The grains expand by compressing each other and causing the appearance of compressive stresses parallel to the surface. These compressive stresses cancel out residual stresses induced in previous processes such as machining, heat treatment, plastic shaping, etc. And they also oppose any tensile stress to which it is subjected in a subsequent use.
  • As a secondary effect, when the grains widen, they cover the Inter spaces. granular, reducing them considerably and thus the rate of galvanic corrosion.

In summary, the shot peening process increases fatigue resistance, particularly coil and flat springs, strapping, stabilizer bars for cars, gearbox gears, transmission rings and pinions, aircraft parts and pieces, bits and drill rods. oil and mining companies, etc. and as a secondary effect, it produces an increase in corrosion resistance, the elimination of residual stresses by inducing a uniform compression stress over the entire surface, as well as cleaning it by shot blasting.

 

Special project: In case the equipment you need is not on these pages, please contact our Engineering and Sales department, so they can help you develop the best equipment that meets your needs, seeking to reduce your operating costs and increase profitability your production systems

 

ADMINISTRACIÓN Y FÁBRICA
ARGENTINA

BRIG. ESTANISLAO LOPEZ N° 6
[S2108AIB] SOLDINI
SANTA FE - ARGENTINA
+54 341 4900 1100
info@cym.com.ar

ADMINISTRACIÓN Y FÁBRICA
BRASIL

RUA MÁRIO JUNQUEIRA DA SILVA Nº 684 - JD - EULINA
[CEP.13063-000] CAMPINAS - SP – BRASIL
+55 19 3242-9777 / +55 19 98144-2277
metalcym@metalcym.com.br

OFICINA COMERCIAL
BUENOS AIRES

EIZAGUIRRE 1073
[B1754FLA] SAN JUSTO
BUENOS AIRES - ARGENTINA
+54 11 3979-4111 / +54 9 11 3345-8578
cymba@cym.com.ar

 

TÜV Rheinland Argentina,S.A.