Springs shot peening machine Type VZ

Shot peening is a well-established process that ensures greater strength of the material and extends its service life. Springs, which are used in rail or automotive industry are constantly exposed to torsion and compressive loading, which causes material fatigue and consequently springs breakage.

Workpieces

Springs

Springs

Applications

  • Shot peening

Advantages & features

  • Automated springs loading / unloading
  • Controlled shot peening process - Almen testing
  • Continuous through feed operation

About

Shot peening is a well-established process that ensures greater strength of the material and extends its service life. Springs, which are used in rail or automotive industry are constantly exposed to torsion and compressive loading, which causes material fatigue and consequently springs breakage.

Springs shot peening machine is designed for shot peening of various types of springs, with which we increase the dynamic strength of workpieces that are exposed to high alternative bending or torsion tensions.

Workpieces move through the machine on purpose-made conveyors. The springs rotate and move axially through the shot blating zone, so that the shotblasting is optimal for each individual spring.

Springs shot peening machine has installed the required number of blasting wheels, which are equipped with frequency converters for setting the outlet speed of the abrasive. This ensures the appropriate intensity of shot peening of surface of the workpieces. 

An Almen test is a crucial component of a controlled shot peening process because it measures the blasting intensity. Following this procedure, we measure the bending of special test strips, exposed to the same blasting conditions as workpieces being blasted. 

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Technical data

Machine type VZ-C-450x1600 VZ-C-150x350 VZ-L-250x300 VZ-L-350x500
Technological purpose for shotblasting shotpeening of coil compression springs shotpeening of coil compression springs shotpeening of leaf springs shotpeening of leaf springs in tension
Max spring diameter (mm) 450 140 / /
Min spring diameter (mm) 100 80 / /
Max spring length (mm) 1600 350 / /
Min spring length (mm) 150 150 / /
Working width (mm) / / 250 350
Working height (mm) / / 300 500
Blasting wheel diameter (mm) 380 380 380 380
Blasting wheel power (kW) 2 x 37 2 x 30 2 x 37 4 x 37
Passing speed (m/min) 1.0 - 8.0 1.0 - 8.0 0.5 - 5.0 1.0 - 8.0
Transport system longitudinal rollers with drag chain longitudinal rollers with drag chain belt conveyor roller conveyor

For additional information on different dimensions of shot blasting machine and the number of blasting wheels, please contact us. The machines listed are only an example of standard machines, but other adaptations and variants are available.

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