Surface profile damage analysis device and method for curved surface parts

Abstract

The invention discloses a surface profile damage analysis device and method for curved surface parts. The surface profile damage analysis device for curved surface parts includes an anti-vibration platform. The anti-vibration platform is provided with an X-axis ball screw module, at least one slide rail, and is used to drive the curved surface parts to rotate. The rotating device; the Z-axis column device is installed movable on the guide rail, and the Z-axis ball screw module is fixedly installed on the Z-axis column device; the Y-axis ball screw module is installed on the Z-axis ball screw module; the X-axis The ball screw module, the Y-axis ball screw module and the Z-axis ball screw module are all equipped with a magnetic scale that is used in conjunction with the magnetic scale reading head on it; the Y-axis ball screw module is installed with a CCD image sensor and laser 2D profile acquisition instrument; CCD image sensor, laser 2D profile acquisition instrument and magnetic scale reading head are all connected to the detection module, X-axis ball screw module, Z-axis ball screw module, Y-axis ball Both the screw module and the rotating device are connected with the control module.

Description

technical field [0001] The invention relates to a device for testing the integrity of the surface of a part, in particular to a device and method for analyzing the surface profile damage of a curved surface part. Background technique [0002] Curved surface shaft parts are one of the typical parts of various mechanical transmissions. They are mainly used to support transmission parts, transmit torque and bear loads, such as crankshafts, connecting rods, camshafts, half shafts and other parts. Curved surface shaft parts, especially rotating shafts (such as axles), are prone to fatigue cracks, failure and fracture after long-term alternating loads during use, resulting in accidents. The tightly fitted shaft-hole parts are prone to fretting wear or fretting fatigue when working in a vibrating environment, resulting in failure of the parts, and the surface damage of the fittings, such as scratches and abrasions, will directly accelerate the crack initiation and fatigue of the cu...

AI Technical Summary

Problems solved by technology

Curved surface shaft parts, especially rotating shafts (such as axles), are prone to fatigue cracks, failure and fracture after long-term alternating loads during use, resulting in accidents

The tightly fitted shaft-hole parts are prone to fretting wear or fretting fatigue when working in a vibrating environment, resulting in failure of the parts, and the surface damage of the fittings, such as scratches and abrasions, will directly accelerate the crack initiation and fatigue of the curved surface parts fail

[0003] At present, the damage detection of curved surface parts at home and abroad is mainly to detect internal cracks by means of non-destructive testing such as ultrasonic, ray, and magnetic powder. The degree of surface damage will directly affect its service reliability

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