Deformation correction of sealing pipe production accessories
In the processing of seam pipe production accessories, factors such as material non-uniformity, processing stress, and structural changes during heat treatment often cause deformation of the accessories. To ensure the dimensional and shape accuracy of the accessories, deformation correction is required.
Mechanical correction: Mechanical correction is a method of correcting the shape and size of a component by applying external force to cause plastic deformation. The commonly used mechanical calibration methods include pressure calibration, bending calibration, etc. This method is suitable for accessories with small deformation and simple shapes.
Thermal correction: Thermal correction is a method of correcting the thermal plasticity of materials during the heat treatment process. By heating the accessory locally or globally to cause thermal expansion or softening, and then applying external force for correction. Thermal correction can reduce the correction force and avoid problems such as cracks or fractures that may occur during mechanical correction. However, it should be noted that appropriate cooling treatment should be carried out after thermal correction to prevent the accessories from deforming again during the cooling process.
Comprehensive calibration: For seamless pipe production accessories with complex shapes or high-precision requirements, comprehensive calibration methods are often required. By combining the advantages of mechanical calibration and thermal calibration, the ideal shape and dimensional accuracy can be gradually achieved through multiple calibrations and measurement adjustments.
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