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JWT-A型彈簧磁粉探傷機(jī) 適用范圍： 適用于機(jī)車車輛緩沖器彈簧、軸箱彈簧等圓柱螺旋彈簧的磁粉探傷 特點(diǎn)及技術(shù)指標(biāo)： 1. 采用中心導(dǎo)體（穿棒）法和直接通電法對(duì)彈簧進(jìn)行復(fù)合磁化，保證螺旋彈簧簧絲表面可獲得足夠強(qiáng)度的較均勻的切向磁場 2. 通過調(diào)節(jié)托架升降裝置,使調(diào)整彈簧中心線與磁化裝置中心線一致，以滿足不同直徑彈簧的磁粉探傷需要 3. 磁化電流由可控硅調(diào)壓模塊控制,電流大小可根據(jù)彈簧直徑大小的不同隨時(shí)調(diào)整。以滿足不同外經(jīng)彈簧的探傷要求 4. 彈簧可360°自由旋轉(zhuǎn)，以便探傷操作人員觀察彈簧內(nèi)外磁痕。 5. 床式一體化設(shè)計(jì)，無須特殊基礎(chǔ)，安裝維修簡便。 6. 磁化方式：中心導(dǎo)體法 直接通電法 復(fù)合磁場 7. 中心導(dǎo)體磁化電流：0～5000A連續(xù)可調(diào) 8. 通電磁化電流：0～1000A連續(xù)可調(diào) 9. 電極間距：240～600mm可調(diào)（300～820mm可調(diào)） 10. 可檢測彈簧外徑：70～200mm（200mm～330mm） 11. 檢測靈敏度：清晰顯示A1型標(biāo)準(zhǔn)試片15/50的人工缺陷 12. 剩磁：不大于0.3mT 13. 外形尺寸：2.1m×0.8m×1.4m （3.485m×1.868m×2.05m） 14. 主機(jī)總重量：800kg JWT-A Magnetic Particle Flaw Detector for Spring Applicable scope It is suitable for locomotive and rolling stock bumper spring, axle box spring and other coil spring of magnetic particle testing Features and Technical parameters 1. For the structural characteristics of the spring adopting the center conductor (through rod) and direct current flow method to make the spring achieve composite magnetization, ensure the surface of the spring wire spring get availability of sufficient strength and more uniform tangential magnetic field 2. Through adjusting bracket lifting gear, adjusting spring centerline are consistent with the center line of the magnetizer, to meet the needs of the different diameter of the spring of magnetic particle inspection. 3. Magnetizing current controlled by thyristor voltage regulation module,It can be adjusted at any time according to the diameter of the spring. 4. The machine can drive the spring rotate in order to observe the internal and external magnetic marks, enabling semi-automatic flaw detection of the spring 5. Bed struct integration design, without special foundation, easy installation and maintenance 6. Magnetization mode: Center conductor method, Current magnetization method, Resultant magnetic field. 7. Center conductor magnetization current: 0-5000A continuously adjustable 8. Electrified magnetization current: 0-1000A continuously adjustable 9. Electrode spacing:240-600(300-820)mm Adjustable (on demand) 10. The diameter of the spring detected: 70-200mm(200-330) (on demand) 11. Detecting sensitivity: Clearly displays the artificial defect of A1 standard test piece 15／50 12. Residual Field: ≤0.3mT 13. Mainframe exterior size: 2.1×0.8×1.4(3.485×1.868×2.05)m 14. Mainframe weight: 800kg
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