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Magnetic particle inspection machine

CQE-10000 Magnetic Particle Inspection Machine for Large Marine Crankshafts

Crankshaft magnetic particle inspection machine for large marine crankshafts and oil & gas pipelines up to 1,000 mm in diameter and 14,000 mm in length. Flexible electrodes and nylon support rollers ensure stable rotation, with PLC-controlled magnetization, spraying, rotation and demagnetization.

  • Large crankshafts
  • Oil & gas pipelines
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CQE-10000 specifications

Magnetization

Circular magnetization
DC 0–10,000 A, continuously adjustable; step-down transformer, low-voltage high-current output
Longitudinal magnetization
AC 0–24,000 AT, continuously adjustable; step-down transformer, low-voltage high-current output
Magnetization methods
Circular, longitudinal, combined, multi-directional

Mechanics

Turning diameter
Ø ≤ 1,000 mm
Workpiece length
2,000–14,000 mm
Machine load capacity
≥ 20 t (based on a typical part drawing supplied by the buyer)

Performance

Demagnetization
Ultra-low-frequency reversing; residual ≤ 2 Gs
Detection sensitivity
Clear indications on main journals, crankpins, crank end faces and fillets with 15/50 sensitivity test pieces; field strength verified with a teslameter against national standards
UV irradiance
UV-400 fluorescent lamp > 1,500 µW/cm² under natural daylight; one movable portable fluorescent lamp supplied
Instruments
All ammeters and voltmeters MC certified
Insulation resistance
> 2 MΩ

External coil port

Cable-wrap magnetization for oversized parts

Every machine's power cabinet has an external coil port. When a part is too large or heavy to load into the machine, connect a flexible cable to the port and wrap it around the part to form a coil, so the part can be magnetized where it stands.

MPI machine power cabinet with the external coil port: two copper terminals near the bottom of the centre doorCoil port
Cable-wrap magnetization: flexible cable wound in several turns around a large valve body on a pallet
Wrapped around the part
Cable-wrap magnetization: cable threaded through a bore in the end flange of the valve body
Threaded through a bore

Inquiry

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Address
No. 6 Xinchuan Road, Tinghu District, Yancheng, Jiangsu, China