Forging forming -- English · 2023年7月5日 0

Quality control and testing method of wind power spindle forging

Wind power spindle forging is an important part of wind turbine, and the reasonable selection and application of its quality control and testing methods can ensure the reliability and performance of wind power generation equipment. The following will give you a detailed introduction to the quality control and detection methods of wind power spindle forging.

Forging quality control:
(1) Raw material selection: The raw materials of wind power spindle forgings are usually high-quality alloy steel or special steel, and materials with good mechanical properties and stable chemical composition should be selected.
(2) Forging parameter control: in the forging process, parameters such as temperature, forging speed and pressure need to be strictly controlled to ensure the dimensional accuracy and mechanical properties of the forging.
(3) Heat treatment process control: the heat treatment process includes quenching, tempering and other links, which need to control the heating temperature, holding time and cooling speed to ensure the balance between the hardness and toughness of the forging.
(4) Precision machining control: Precision machining includes turning, milling, grinding and other processes, which need to control processing parameters, such as cutting speed, feed and tool selection, etc., to ensure the quality and dimensional accuracy of the machining surface.

Common detection methods for forgings:
(1) Ultrasonic flaw detection: Ultrasonic flaw detection is a method of non-destructive testing of forgings using ultrasonic waves, which can detect internal defects, cracks and foreign bodies in forgings.
(2) Magnetic particle detection: According to the magnetic characteristics of the forgings, magnetic particle detection can detect cracks, holes and inclusions on the surface and near the surface by applying magnetic field and coating magnetic powder.
(3) Metallographic microscope analysis: Metallographic microstructure and grain morphology of forgings are observed through metallographic microscope to evaluate the microstructure density, grain size and grain distribution uniformity of forgings.
(4) Hardness test: hardness test of forgings through hardness tester to understand the hardness value of forgings, so as to infer the mechanical properties of forgings.

Testing standards and specifications:
Quality control and testing of wind power spindle forgings should follow the relevant national standards and industry norms, such as the national standard GB/T 3190-2017 “Classification of forging quality”, GB/T 7233-2008 “Metal forgings heat treatment technical conditions” and so on. These standards and specifications provide the basic requirements and methods for forging quality control and inspection.

In short, the quality control and testing method of wind power spindle forging is an important link to ensure the stable operation and safety of wind power generation equipment. In actual production, it is necessary to select appropriate quality control means and detection methods according to specific project requirements and process characteristics to ensure the excellent quality of wind power spindle forging. The above is only a brief introduction, and the specific operation needs to be designed and implemented in detail according to the actual situation.