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JWD-A型桿軸類零件（客車懸吊件）磁粉探傷機 適用范圍： 適應(yīng)于桿軸類零件（鐵路客車懸吊件等）的磁粉探傷檢測。 特點及技術(shù)指標(biāo)： 1. 周向磁化采用自主知識產(chǎn)權(quán)的菊花形多觸點復(fù)合電極，夾持通電可靠不打火，磁化效果穩(wěn)定 2. 電極采用復(fù)合結(jié)構(gòu)且間距可調(diào)，可適應(yīng)不同長度及形狀桿、軸類零件探傷要求 3. 檢測工件可自動360°全回轉(zhuǎn)，并可進(jìn)行動態(tài)換向，便于觀察磁痕 4. 磁化電流由可控硅調(diào)壓模塊控制,電流大小可根據(jù)零件的長短及直徑大小隨時調(diào)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(guān)斷電源時自動退磁，被檢測工件剩磁小 6. 床式一體化設(shè)計，無須特殊基礎(chǔ)，安裝維修簡便 7. 磁化方式：復(fù)合磁場 8. 輸入功率：40kW 9. 周向磁化峰值電流：0-2500A連續(xù)可調(diào) 10. 縱向磁化峰值電流：0-3200A連續(xù)可調(diào) 11. 電極間距：600-1200mm（可調(diào)） 12. 工件回轉(zhuǎn)直徑：180mm 13. 工件重量：60kg 14. 退磁方式：原位衰減法 15. 檢測靈敏度：清晰顯示A1型標(biāo)準(zhǔn)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：2.74m×1.02m×2.1m 18. 主機總重量：880kg
JWD-A Magnetic Particle Flaw Detector for rod and shaft part Applicable scope For rod and shaft part(such as suspension part of railway passenger car)magnetic particle testing. Features and Technical parameters 1. Circumferential magnetization Adopt the proprietary intellectual property of Multi-touch composite electrode, Clamping and magnetizing effect is stable 2. The electrode gap is adjustable, can adapt to different length and shape of rod, shaft parts 3. Work piece can all rotation 360°,ａnd Dynamic reversing,easy to observe the magnetic particle indication 4. 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 5. Adopting attenuation measure of magnetization current’s difference value, It can demagnetize automatically and has little residual field when shut off the power. 6. Bed struct integration design, without special foundation, easy installation and maintenance 7. Magnetization mode: resultant magnetic field 8. Input power: 40kW 9. The peak value current of circular magnetization: 0-2500A continuously adjustable 10. The peak value current of longitudinal magnetization: 0-3200A continuously adjustable 11. Electrode spacing: 600-1200mm 12. Work piece maximum rotating diameter:180mm 13. Work piece maximum weight: 60kg 14. Demagnetization method: in situ attenuation method 15. Detecting sensitivity: Clearly displays the artificial defect of A1 standard test piece 15／50 16. Residual Field: ≤0.3mT 17. Mainframe exterior size: 2.74×1.02×2.1m 18. Mainframe weight: 880kg
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