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JWD-A型軸銷類零件磁粉探傷機 適用范圍： 適應于軸銷類零件的磁粉探傷檢測。 特點及技術指標： 1. 周向磁化采用自主知識產權的菊花形多觸點復合電極，夾持通電可靠不打火，磁化效果穩定 2. 電極采用復合結構且間距可調，可適應不同長度及形狀銷、軸類零件探傷要求 3. 檢測工件可自動360°全回轉，并可進行動態換向，便于觀察磁痕 4. 磁化電流由可控硅調壓模塊控制,電流大小可根據零件的長短及直徑大小隨時調整，以滿足不同零件的探傷要求 5. 采取磁化電流不等值衰減措施，關斷電源時自動退磁，被檢測工件剩磁小 6. 床式一體化設計，無須特殊基礎，安裝維修簡便 7. 磁化方式：復合磁場 8. 輸入功率：40kW 9. 周向磁化峰值電流：0-2500A連續可調 10. 縱向磁化峰值電流：0-3200A連續可調 11. 電極間距：50-450mm（可調） 12. 工件最大回轉直徑：120mm 13. 工件最大重量：50kg 14. 退磁方式：原位衰減法 15. 檢測靈敏度：清晰顯示A1型標準試片15/50（7/50）的人工缺陷 16. 剩磁：不大于0.3mT 17. 主機外形尺寸：1.75m×1.3m×2.05m 18. 主機總重量：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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