Specification of CJW222 Magnetic particle inspection equipment
1.Main technical indicators:
This machine is in accordance with the national standard of the people's Republic of China magnetic particle testing machine, magnetic particle testing < Magnetic Particle Testing > > JB / t8290-2011 national standard.
Input power supply: three-phase four wire 380V ± 10%, 50Hz, 100A.
Temporary load rate: 20%.
Circumferential magnetizing current: AC 0-2000A, continuously adjustable (with power-off phase control).
Longitudinal magnetization ampere turn: AC 0-20000at, continuously adjustable (with power-off phase control).
Demagnetization mode: attenuation type automatic demagnetization.
Demagnetization time: ≤ 2 seconds.
Demagnetization effect: remanence ≤ 2GS.
Pneumatic clamping: clamping stroke 0-50mm.
Electrode spacing: 0-700mm
Magnetization mode: single circumferential magnetization, single longitudinal magnetization and composite magnetization.
Observation speed of workpiece rotation: 4-6rpm.
Magnetizing coil: inner diameter 250mm.
Moving electrode: electric moving.
UV intensity: the intensity at 380mm from the surface of the workpiece to the UV bulb shall not be less than 4000uw / cm2.
Air supply pressure: 0.4-0.8mp.
Operating environment: temperature - 10 ℃ ~ + 40 ℃, relative humidity ≤ 80%.
Storage environment: temperature - 20 ℃ ~ + 60 ℃, relative humidity ≤ 70%, no corrosive gas dust and strong high-frequency electromagnetic pollution.
Sensitivity test: according to the provisions of standard test piece for magnetic particle flaw detection in JB / t6065-92 of the people's Republic of China, test with 15 / 50 A-type test piece, and display clearly in any direction of the workpiece.
2.Flaw detection process:
Running program: manual and automatic.
Automatic program: manual feeding - clamping - rotation - spraying - magnetization - rotation - manual observation - demagnetization - Loosening - blanking.
Manual: the above clamping, rotating, spraying, magnetizing, demagnetizing and other actions can be controlled separately.