| JWH-A型環(huán)類零件磁粉探傷機(jī) 適用范圍： 適應(yīng)于鐵路軸承內(nèi)外圈等環(huán)類零件專用磁粉探傷檢測(cè) 特點(diǎn)及技術(shù)指標(biāo)： 1. 周向磁化采用中心導(dǎo)體法數據，零件內(nèi)、外表面縱向磁化采用感應(yīng)法業務指導，保證磁化效果穩(wěn)定 2. 一體化復(fù)合磁化裝置中心導(dǎo)體采用可伸縮結(jié)構(gòu)改進措施，便于放置工件 3. 檢測(cè)工件可自動(dòng)360°全回轉(zhuǎn)就此掀開，并可進(jìn)行動(dòng)態(tài)換向長足發展，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)環(huán)類零件的長(zhǎng)短及直徑大小隨時(shí)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穩步前行，關(guān)斷電源時(shí)自動(dòng)退磁實施體系，被檢測(cè)工件剩磁小 6. 床式一體化設(shè)計(jì)，無(wú)須特殊基礎(chǔ)各有優勢，安裝維修簡(jiǎn)便 7. 磁化方式：復(fù)合磁場(chǎng) 8. 輸入功率：40kW 9. 周向磁化峰值電流：0-2500A連續(xù)可調(diào) 10. 縱向磁勢(shì)0~8000AT連續(xù)可調(diào) 11. 工件寬度：400mm 12. 工件回轉(zhuǎn)直徑：400mm 13. 工件重量：35kg 14. 退磁方式：原位衰減法 15. 檢測(cè)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(jī)外形尺寸：2.1m×1.0m×1.2m 18. 主機(jī)總重量：500kg
JWH-A Magnetic Particle Flaw Detector for ring parts Applicable scope For ring parts of railway train magnetic particle testing. Features and Technical parameters 1. Circumferential magnetization adopts center conductor method, longitudinal magnetization adopts inductive method for inner surface and outer surface of the part. magnetizing effect is stable 2. The central conductor has a retractable structure效果較好，Easy to place workpiece 3. Workpiece 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. Maximum workpiece width: 400mm 12. Maximum workpiece rotating diameter:400mm 13. Maximum workpiece weight: 35kg 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: 2.1×1.0×1.2m 18. Mainframe weight: 500kg
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