JWD-A型轴销类零件磁粉探伤机 适用范围: 适应于轴销类零件的磁粉探伤检测。 特点及技术指标: 1. 周向磁化采用自主知识产权的菊花形多触点复合电极,夹持通电可靠不打火,磁化效果稳定 2. 电极采用复合结构且间距可调,可适应不同长度及形状销、轴类零件探伤要求 3. 检测工件可自动360°全回转,并可进行动态换向,便于观察磁痕 4. 磁化电流由可控硅调压模块控制,电流大小可根据零件的长短及直径大小随时调整,以满足不同零件的探伤要求 5. 采取磁化电流不等值衰减措施,关断电源时自动退磁,被检测工件剩磁小 6. 床式一体化设计,无须特殊基础,安装维修简便 7. 磁化方式:复合磁场 8. 输入功率:40kW 9. 周向磁化峰值电流:0-2500A连续可调 10. 纵向磁化峰值电流:0-3200A连续可调 11. 电极间距:50-450mm(可调) 12. 工件最大回转直径:120mm 13. 工件最大重量:50kg 14. 退磁方式:原位衰减法 15. 检测灵敏度:清晰显示A1型标准试片15/50(7/50)的人工缺陷 16. 剩磁:不大于0.3mT 17. 主机外形尺寸:1.75m×1.3m×2.05m 18. 主机总重量:1100kg
JWD-A Magnetic Particle Flaw Detector for pin and shaft parts Applicable scope For pin and shaft parts magnetic particle testing. Features and Technical parameters Circumferential magnetization Adopt the proprietary intellectual property of Multi-touch composite electrode, Clamping and magnetizing effect is stable The electrode gap is adjustable, can adapt to different length and shape of rod, shaft parts Workpiece can all rotation 360°,and Dynamic reversing,easy to observe the magnetic particle indication Magnetizing current controlled by thyristor voltage regulation module,It can be adjusted at any time according to the length and the diameter of the parts Adopting attenuation measure of magnetization current’s difference value, It can demagnetize automatically and has little residual field when shut off the power. Bed struct integration design, without special foundation, easy installation and maintenance Magnetization mode: resultant magnetic field Input power: 40kW The peak value current of circular magnetization: 0-2500A continuously adjustable The peak value current of longitudinal magnetization: 0-3200A continuously adjustable Electrode spacing: 50-450mm Work piece maximum rotating diameter:120mm Work piece maximum weight: 50kg Demagnetization method: in situ attenuation method Detecting sensitivity: Clearly displays the artificial defect of A1 standard test piece 15/50 Residual Field: ≤0.3mT Mainframe exterior size: 1.75×1.3×2.05m Mainframe weight: 1100kg
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