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The cylinder tube rolling processing, the surface layer left the surface residual compressive stress, contribute to the closure of small surface cracks, and hinder the expansion of the erosion. Thereby increasing the surface corrosion resistance, and can delay fatigue cracks or expand, thereby increasing the fatigue strength of the cylinder tube. Roll forming, roll formed on the surface layer of cold hardening layer, reducing the elastic and plastic deformation of the grinding sub-contact surfaces, thereby improving the wear resistance of the cylinder tube wall, while avoiding burns caused due to grinding. Rolling, surface roughness value decreases, can be increased with nature.
The rolling process is a non-chip processing, use of the plastic deformation of the metal at room temperature, the surface micro-roughness of rolling flat in order to change the surface structure, mechanical properties, shape and size of the purpose. So this method can reach the finishing and strengthen the two purposes, grinding can not be done. No matter what kind of processing method for processing the tiny uneven marks left in the part surface will always be there the staggered ups and downs of the peak and valley phenomenon.
Rolling processing principle: it is a kind of pressure Finishing metal cold plastic characteristics at room temperature, the use of the rolling tool to put some pressure on the workpiece surface, so that the workpiece surface metal to plastic flow, and fill to the original residual the low-lying troughs, and reach the surface roughness values decrease. Rolling the surface plastic deformation of metals, the thinning of the surface cold hardening and grain, the formation of dense fibrous, and the formation of residual stress layer, the hardness and strength, thereby improving the wear resistance of the workpiece surface, corrosion and co-ordination. Rolling is a cutting plastic processing methods.
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Next: The introduction and the main features of the commonly used aluminum and process.SDA Pneumatic Cylinder Barrel.
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Main Product:
Cylinder Barrel,
Pneumatic Cylinder Tube ,
Pneumatic Cylinder Tubing,
Pneumatic Cylinder Barrel,
Pneumatic Cylinder Pipe,
Aluminum Honing Tube
