| JZD-B2型動(dòng)車、地鐵車輛輪對(duì)磁粉探傷機(jī) 適用范圍 適用于動(dòng)車、地鐵車輛輪對(duì)大、中修時(shí)磁粉探傷 特點(diǎn)及技術(shù)指標(biāo) 1. 龍門式主機(jī)結(jié)構(gòu)，跨在輪對(duì)股道上，適合輪對(duì)通過(guò)式探傷的需要 2. 縱向磁化采用自主知識(shí)產(chǎn)權(quán)的鍍銀接點(diǎn)和雙螺旋鎖緊結(jié)構(gòu)開合線圈，保證磁化線圈接點(diǎn)不發(fā)熱不打火，線圈通電可靠，磁化效果穩(wěn)定，線圈壽命長(zhǎng) 3. 采用復(fù)合磁化，滿足車軸軸身、牽引從動(dòng)齒輪及車輪探傷需要 4. 對(duì)軸身進(jìn)行磁化的開合線圈采用了可升降、移動(dòng)機(jī)構(gòu)，便于軸身縱向磁化 5. 輪對(duì)的旋轉(zhuǎn)驅(qū)動(dòng)具有變頻調(diào)速功能，便于操作人員觀察磁痕時(shí)方便地調(diào)節(jié)轉(zhuǎn)速 6. 采用了的可控硅調(diào)流系統(tǒng)，磁化電流連續(xù)可調(diào) 7. 探傷過(guò)程采用進(jìn)口PLC可編程控制器控制，操作簡(jiǎn)便可靠 8. 采用的電力補(bǔ)償及控制技術(shù)，降低電源功率消耗 9. 磁化方式：周向磁化+縱向磁化+復(fù)合磁場(chǎng) 10. 輸入功率：60Kw 11. 周向磁化峰值電流：0-4800A連續(xù)可調(diào) 12. 縱向磁化峰值電流：0-2800A連續(xù)可調(diào) 13. 檢測(cè)表面磁場(chǎng)強(qiáng)度：≮2400A/m 14. 檢測(cè)車軸長(zhǎng)度：2040mm～2300mm 15. 檢測(cè)齒輪回轉(zhuǎn)直徑：400-640mm 16. 檢測(cè)車輪直徑：700-1000 17. 退磁方式：原位衰減法 18. 檢測(cè)靈敏度：清晰顯示A1型標(biāo)準(zhǔn)試片15/50的人工缺陷 19. 剩磁：不大于0.3mT 20. 主機(jī)外形尺寸：3.9×1.05×2.4m 21. 主機(jī)總重：3000kg
JZD-B2 Magnetic Particle Flaw Detector for CRH & Metro wheel pair Applicable scope It is suitable for the surface magnetic particle testing of CRH & metro wheel pair, including bake disc,driven gear. Features and Technical parameters 1. The gantry structure of mainframe is suitable for the wheel pair detected through it, especially for matching the examining and repairing lines of wheel pair. 2. Longitudinal magnetization coil with independent intellectual property rights of the double helix locking opening and closing coil, guarantee the magnet coil contact not fever , magnetizing effect is stable, the coil have long service life 3. Compound magnetization and movable fan shape auxiliary magnetic device, meet axis,traction driven gear and the wheel testing needs 4. To the opening and closing magnetization coil of axis body, adopted a collapsible mechanism, protect rolling bearing from the magnetization 5. To the rotation of the wheel drive with frequency control , easy operater to adjust speed, observing magnetic mark 6. Magnetizing current controlled by SCR module of voltage regulation,It can be adjusted at any time 7. Inspection process adopts imported PLC programmable controller control, easy operation and reliable 8. Adopting advanced electric power compensation and controlling technology, reducing the power consumption 9. Magnetization mode: resultant magnetic field+rotating magnetic field 10. Input power: 60kW 11. The peak value current of circular magnetization:0-4800A continuously adjustable 12. The peak value current of Longitudinal magnetization:0-2800A continuously adjustable 13. Magnetic field intensity on detection surface: ≥ 2400 a/m 14. lenth of tested axis:2040-2300mm 15. diameter of tested gear:400-640mm 16. diameter of tested weel:700-1000mm 17. Demagnetization method: in situ decay 18. Detecting sensitivity: Clearly displays the artificial defect of A1 standard test piece 15/50（7/50） 19. Residual Field: ≤0.3mT 20. Mainframe exterior size: 3.9m×1.05m×2.4m 21. Mainframe weight: 3000kg
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