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Principle: Shot peening is a cold processing process that uses shot to bombard the surface of the workpiece and implant residual compressive stress to improve the fatigue strength of the workpiece. The high-speed projectiles continuously hit the surface of the part, forming countless depressions on the surface of the part, overlapping to form a uniform residual compressive stress layer, which can inhibit the initiation and expansion of fatigue cracks.

Service content
? Process design: According to the material, shape, size and use requirements of the customer's workpiece, design a customized shot peening process plan, including selecting suitable shot materials and determining shot peening parameters such as shot peening speed, time, angle, etc.
? Equipment operation: Operate professional shot peening equipment, such as CNC shot peening machines, shot peening robots, etc., to shot peen the workpiece to ensure that the shot peening process is uniform and stable to achieve the expected strengthening effect.
? Quality inspection: Use professional inspection methods, such as X-ray diffractometer to detect residual stress, roughness meter to measure surface roughness, microscope to observe surface morphology, etc., to conduct quality inspection on the workpiece after shot peening to ensure that the quality of the workpiece meets relevant standards and customer requirements.
? Subsequent treatment: The workpiece after shot peening is subjected to necessary subsequent treatment, such as cleaning, drying, and rust prevention treatment, to prevent the workpiece surface from rusting or other contamination.

Application areas
? Aerospace: Used to strengthen key components such as aircraft engine compressor blades and fuselage structural parts to improve their fatigue resistance and corrosion resistance and ensure flight safety.
? Automobile industry: Widely used in automobile transmission system parts, engine cylinders, crankshafts and other parts to improve the wear resistance and fatigue resistance of parts and extend the service life of automobile parts.
? Power industry: Can be used to strengthen components such as wheels and last-stage blades of steam and gas turbines to enhance their reliability and stability under high temperature and high pressure environments.
? Machinery manufacturing: Applicable to various mechanical parts, such as gears, springs, shafts, etc., to improve the comprehensive performance of parts and reduce the risk of failure due to fatigue and wear.

Advantages
? Improved performance: can significantly improve the fatigue strength, wear resistance and corrosion resistance of parts, extend the service life of parts, and reduce the cost of equipment maintenance and replacement.
? Wide range of applications: not limited by the shape and position of the workpiece, it can process workpieces of various complex shapes, including inner surfaces, outer surfaces, inner walls of pipes, etc.
? Controllable process: shot peening parameters can be precisely controlled and adjusted, and personalized strengthening treatment can be achieved according to different workpiece requirements to ensure the consistency and stability of the treatment effect.
? Environmental protection and energy saving: Compared with some other surface treatment processes, shot peening does not use chemicals, does not pollute the environment, and the equipment energy consumption is relatively low, with good environmental protection and energy saving benefits.