Specification of EJW666 Magnetic particle inspection equipment
1.Equipment composition
--One set of control center (human-machine interface touch screen operation, digital display)
--One set of main machine (including: circumferential and longitudinal transformer, longitudinal magnetizer, circumferential clamping magnetizing mechanism, screw nut pole spacing adjustment mechanism, etc.)
--one set of magnetic suspension spray recovery system
--Darkroom system
--Two sets of coil extension mechanism
--one set of LED UV light system
--One set of rotating observation mechanism
2 . Tested workpiece: Disc type and drum type knuckle.
3.Equipment capacity:
Detection efficiency: 15-35 seconds / piece (except observation time).
4.The design standard of this machine:
National standard of magnetic particle testing machine (JB / t8290-2011).
5.Main technical indicators
--Circumferential magnetizing current I: AC: 0-6000a (effective value) continuously adjustable, with power-off phase control (no missing detection).
--Circumferential magnetizing current II: AC: 0-6000a (effective value) continuously adjustable, with power-off phase control (no missing detection).
--Longitudinal magnetization magnetic potential AC: 0-18000at (effective value) continuously adjustable, with power-off phase control (no missing inspection).
Electrode spacing: 0-700mm.
--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.
--UV intensity: the UV intensity at 380mm away from the workpiece is greater 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 250A.
--Inspection surface: cracks and other defects on all surfaces of the workpiece.
--Demagnetization: ac18000-0 (effective value) attenuation type automatic demagnetization.
--Remanence: br ≤ 0.2Mt.
--Observation speed of workpiece rotation: 4-6rpm.
--Magnetizing coil: inner diameter 500mm.
--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: 1800 * 800 * 1400 (excluding darkroom)
--Equipment weight: 2T
6. Running program: manual and automatic.
The automatic program is: feeding - clamping - spraying - magnetizing - observing - demagnetizing - unclipping - blanking. The whole process is controlled by a small industrial PC. The automatic program can be carried out continuously.
