Automobile balance pole steel pipe laser cutting device and laser cutting process

By using a process of bending and shaping before laser cutting, the problem of cracks caused by stress concentration in steel pipes during laser cutting is solved, improving the production quality and safety performance of automotive stabilizer bars and reducing production costs.

CN122400844APending Publication Date: 2026-07-17JINGZHOU JINGFU AUTO PARTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JINGZHOU JINGFU AUTO PARTS
Filing Date
2026-06-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies for laser cutting of automotive stabilizer bar steel tubes result in material degradation in the cut area, leading to stress concentration and making it prone to microcracks and through-cracks, which affect the structural integrity of the connection and the vehicle's safety performance.

Method used

The process involves first bending long steel pipes into shape, then using a laser cutting device to clamp, fix, and straighten the pipes. The clamping and straightening components identify and correct the overall deformation of the steel pipes, reducing the superposition of thermal and bending stresses during the cutting process. A laser cutting head is then used for cutting.

Benefits of technology

This effectively reduces the superposition of thermal and bending stresses at the ends of steel pipes during laser cutting, improving the production quality and safety performance of automotive balance bars, reducing production costs, and increasing processing efficiency.

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Abstract

本申请涉及激光切割领域,具体公开了汽车平衡杆钢管激光切割装置及激光切割工艺,其包括以下步骤:S1,加工准备,准备合适尺寸的长规格钢管;S2,弯曲成型,将长规格钢管弯曲成型;S3,夹持固定,激光切割设置对弯曲成型后的钢管进行夹持固定;S4,夹持矫正,激光切割设备对弯曲成型的钢管进行矫正;S5,切割成型,激光切割装置对弯曲成型后的钢管进行切割,形成汽车平衡杆。本申请具有降低汽车平衡杆连接部产生裂纹的风险,提高汽车平衡杆的加工质量的效果。
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