DJW444 magnetic particle testing equipment adopts the mechatronics structure, which is mainly composed of the magnetizing power supply part and the clamping rotating part. It can realize the circumferential, longitudinal, composite magnetization and demagnetization of the workpiece respectively. It can be applied to the parts detection of aviation, machinery, railway, automobile, internal combustion engine, ship, electric power and other industries; the workpiece can be magnetized by electrifying method and coil method, and the composite magnetization can display the cracks on the workpiece surface in all directions at one time, with fast detection speed and good effect.

DJW444 Magnetic particle inspection machine specification:

The circumferential magnetizing current AC: 0-4000A (effective value) is continuously adjustable, with power-off phase control (no missing detection).
Longitudinal magnetization magnetic potential AC: 0-16000at (effective value) continuously adjustable, with power-off phase control (no missing inspection).
Electrode spacing: 0-1500mm.
Magnetization principle: power on, coil method.
Magnetization mode: circumferential magnetization, longitudinal magnetization and composite magnetization can be selected flexibly.
Operating environment: - 10 ℃ - + 40 ℃, relative humidity≤ 80%.
Storage environment: temperature - 20 ℃ - 60 ℃, relative humidity≤ 70%. No corrosive gas dust and strong high frequency electromagnetic pollution.
Ultraviolet intensity: the ultraviolet intensity at 380mm away from the workpiece shall not be less than 4000 μ w / cm2.
Sensitivity test: according to the provisions of JB / t6065-92 standard test piece for magnetic particle testing of the mechanical industry of the people's Republic of China, test with Standard No. 2 type a test piece, with clear display.
Power supply: three phase four wire, 380V ± 20%, 50Hz, about 150A.
Inspection surface: cracks and other defects on all surfaces of the workpiece.
Demagnetization: ac16000-0 (effective value) attenuation type automatic demagnetization.
Remanence: br≤ 0.2Mt.
Observation speed of workpiece rotation: 4-6rpm.
Magnetizing coil: inner diameter 350mm. The air cylinder automatically extends when the coil moves.
Pneumatic clamping: clamping stroke 0-100mm. The stroke of the coil extending out of the cylinder is 0-350mm
Air supply pressure: 0.4-0.8mp.
Size of magnetizing power cabinet: 620 * 500 * 1750, size of clamping device: 2500 * 800 * 1400 (excluding darkroom)
Equipment weight: 2T
Running program: manual and automatic.
The automatic program is: feeding - clamping (magnetizing coil forward) - spraying - magnetizing - (magnetizing coil retracted) - rotating observation (magnetizing coil forward) - demagnetizing - unclamp - blanking. The whole process is controlled by a small industrial PC. The automatic program can be carried out continuously.