The magnetic particle inspection machine is a microcomputer-controlled semi-automatic wet magnetic particle inspection device, suitable for magnetic particle inspection of annular ferromagnetic parts such as flanges and similar shapes. It is controlled by a programmable logic controller (PLC), which governs the mechanical action program of the system, enabling it to complete the entire inspection process according to the prescribed program, excluding manual observation of defects. It can be operated automatically or manually in single steps. Circumferential magnetization is achieved using the rod passing method, while longitudinal magnetization employs the coil induction method for alternating current composite magnetization of the workpiece, thereby preventing workpiece burnishing. Our factory's developed silicon-controlled rectifier triggering system features phase control during power interruption, preventing the omission of AC magnetization, allowing for the detection of extremely minute defects such as cracks and inclusions on the surface and inner surface of the workpiece caused by material, forging, quenching, grinding, and fatigue in a single magnetization.
Process Flow
Feeding — Material Transfer — Rod Insertion — Liquid Spraying Magnetic Composite — Rod Removal — Rotation and Observation — Material Transfer — Unloading
Key Technical Specifications
◇ Magnetic Rod Current: AC 0-9000A, continuously adjustable with phase control for power interruption.
◇ Axial magnetization magnetic potential: AC 0-20000AT, continuously adjustable with power-off phase control function.
Poke style: Pneumatic poking
Operation Mode: Automatic Run, Manual Step-by-Step Operation
◇ Magnetization Method: circumferential magnetization, longitudinal magnetization, and composite magnetization.
◇ Inspection Speed: 8S/piece
◇ Sensitivity to Detection: Clear display on A-type 30/100 test piece on the workpiece surface.