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气动定扭矩扳手使用注意事项

来源:https://www.xjnwz.com 日期:2023-12-11 发布人:创始人

经由调整气体压力来控制扭矩大小,为允许特定的扭矩需求设定,每台工具都配有专用的气压扭矩对照图表和校正报告。且为能更进一步的应用,气动扭矩扳手可同时搭配扭矩传感器,瞬时输出的扭矩更精确。在获得所需的扭矩后可使用合适的回路系统以手动或自动来关闭气源。

By adjusting the gas pressure to control the torque size, each tool is equipped with a dedicated pneumatic torque comparison chart and calibration report to allow specific torque requirements to be set. For further application, pneumatic torque wrenches can be combined with torque sensors to achieve more precise instantaneous torque output. After obtaining the required torque, a suitable circuit system can be used to manually or automatically shut off the air source.

工件与工件的连接有不同的方式,如铆接、焊接、胶接、螺纹连接等。其中,螺纹连接由于具有零部件标准化、装配简单、拆卸方便、效率高且成本低等优点,是机械装配制造领域基础、标准化程度高、应用也非常普遍的一种连接方式。

There are different ways to connect workpieces, such as riveting, welding, bonding, and threaded connections. Among them, threaded connection is a basic, highly standardized, and widely used connection method in the field of mechanical assembly and manufacturing due to its advantages of standardized components, simple assembly, convenient disassembly, high efficiency, and low cost.

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而绝大多数螺纹连接在装配时都必须拧紧,这也使得拧紧装配技术成为工业装配与连接技术的重要技术之一。

The vast majority of threaded connections must be tightened during assembly, making tightening assembly technology one of the important technologies in industrial assembly and connection technology.

螺纹连接包括螺栓连接、双头螺柱连接,螺钉连接和紧定螺钉连接四种基本类型。螺纹连接的目的是通过拧紧螺栓/螺母,将被连接件可靠地连接在一起。

Screw connections include four basic types: bolt connections, double headed screw connections, screw connections, and set screw connections. The purpose of threaded connections is to reliably connect the connected parts together by tightening the bolts/nuts.

装配拧紧的实质是控制拧紧过程中的轴向预紧力,增强连接的刚性和紧密性,以防松和防滑。预紧力,即螺纹连接在承受工作载荷之前预先施加的作用力,是螺纹连接的重要参数,直接影响着螺纹连接的质量。

The essence of assembly tightening is to control the axial pre tightening force during the tightening process, enhance the rigidity and tightness of the connection, and prevent loosening and slipping. Pre tightening force, which refers to the pre applied force on threaded connections before bearing working loads, is an important parameter of threaded connections and directly affects the quality of threaded connections.

过大或过小的预紧力都是有害的:预紧力过大会造成螺栓被拧断,被连接件被压碎、扭曲或断裂等严重后果;预紧力不足则会导致被连接件错位、歪斜,螺母松脱,甚紧固件被剪断。因此,拧紧过程中,对预紧力大小、准确度的把握十分重要。所以,定扭矩的拧紧工具应运而生。

Excessive or insufficient pre tightening force is harmful: excessive pre tightening force can cause serious consequences such as bolt breakage, crushing, twisting, or fracture of the connected parts; Insufficient pre tightening force can cause the connected parts to be misaligned, skewed, nuts to loosen, and even fasteners to be cut off. Therefore, it is crucial to grasp the magnitude and accuracy of the pre tightening force during the tightening process. So, tightening tools with fixed torque have emerged.

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This article is compiled and published by the manufacturer of torsion wrenches. Do you have any understanding of these contents? For more information, please click on: https://www.xjnwz.com We will have more exciting content waiting for you to check out.