Fluorescent magnetic particle flaw detection machine HMP-8000
1.Working principle
Magnetic particle detection uses the interaction between magnetic leakage field and magnetic powder at the defect of the workpiece. It takes advantage of the difference between the surface and near surface defects of iron and steel products (such as cracks, slag inclusion, hair lines, etc.) permeability and iron and steel permeability. After magnetization, the magnetic field at the discontinuous place of these materials will be distorted, forming part of the magnetic flux leakage and resulting in magnetic leakage field. Thus attracting magnetic powder to form the accumulation of magnetic powder at the defect - magnetic trace, under appropriate lighting conditions, showing the location and shape of the defect
2. Usage
Fluorescent magnetic particle flaw detection machine is used to detect the surface and near surface of ferromagnetic workpiece (such as: gear, gear ring, gear shaft, etc.) due to forging, quenching, grinding, fatigue caused by cracks and slag inclusion and other fine defects.
3. Technical parameter
Detection range:Gear diameter≤700mm,height≤410mm；
Axial diameter≤300mm,Length＜700mm
Electrode spacing:0~410mm(adjustable)
Circumferential current:AC 0~8000A Effective value(With outage phase controller)
Longitudinal magnetic potential:AC 0~18000AT Effective value(With outage phase controller)
Detection method: fluorescent magnetic particle detection
Magnetization mode: circumferential magnetization, longitudinal magnetization, composite magnetization
Clamping mode: pneumatic clamping
Demagnetization effect: remanence less than 0.3mT
Detection sensitivity: A1 standard test film (15/50) clearly display
Power supply: three-phase five-wire AC 380V 50Hz
4. Main brand and supplier of electrical parts
All components and components of the equipment are imported or domestic famous brand products, homemade products have passed the quality test.
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No
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Name
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Brand
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Quantity
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Unit
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01
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Button switch/indicator
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DELIXI
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1
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SET
|
|
02
|
Miniature circuit breaker
|
DELIXI
|
1
|
SET
|
|
03
|
AC contactor
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DELIXI
|
1
|
SET
|
|
04
|
PLC
|
OMRON
|
1
|
SET
|
|
05
|
Touch screen
|
WEINVIEW
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1
|
SET
|
|
06
|
Pneumatic element
|
DELIXI
|
1
|
SET
|
|
07
|
Thyristor trigger board
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HUATEC
|
2
|
PC
|
|
08
|
Current transformer
|
DELIXI
|
2
|
PC
|
|
09
|
thyristor
|
DELIXI
|
2
|
SET
|
|
10
|
Fast melting
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DELIXI
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2
|
PC
|
|
11
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Circumferential magnetized main transformer
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HUATEC
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1
|
PC
|
|
12
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Longitudinally magnetized main transformer
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HUATEC
|
1
|
PC
|
|
13
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LED Handheld UV lamp
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HUATEC
|
1
|
PC
|
|
14
|
LED Hanging UV lamp
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HUATEC
|
1
|
PC
|
|
The above spare parts manufacturer specifications are for reference only, and will be adjusted according to user requirements and spare parts in stock.
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5. Device description
5.1 Electrical control system
The control system is based on programmable logic controller (PLC), which controls the operation of two electrodes and the magnetization demagnetization device. With the control cabinet as the main body, it contains various executive components, magnetization triggering circuit, main transformer, etc.
Input magnetizing current and other parameters through the touch screen. With PLC analog input/output module to achieve magnetization current preset function.
All indicators, buttons and working lights of the flaw detection host adopt 24V safety voltage.
The flaw detection host, demagnetizer and distribution cabinet shell are reliably grounded.
5.2 Host
Main machine: fuselage, stainless steel collection tank, magnetizer, spraying system.
Fuselage: Fuselage is welded by high quality material, strong and beautiful. There is no obvious sharp Angle structure within the height range of the operator around the fuselage.
Stainless Steel Collection tank: Made of high quality stainless steel for magnetic suspension collection.
Magnetizer: composed of clamping mechanism, magnetizing electrode and magnetizing coil. The magnetizing electrode magnetizes the workpiece circumferentially and the magnetizing coil magnetizes it longitudewise. The coil and electrode plate are made of high quality copper. The clamping mechanism is driven by pneumatic components, and the workpiece is clamped between two electrodes to form a circumferential magnetizing circuit.
5.3 Magnetic suspension spraying system
It is composed of magnetic suspension collecting tank, water pump, pipeline and sprinkler head. The collecting tank is responsible for collecting, stirring and pumping the reflow magnetic suspension to the nozzle. The liquid collecting tank is external, and the universal wheel with brake device is installed at the bottom. The magnetic suspension collection tank, observation platform and demagnetizing conveyor belt of the main engine are all recovered to the liquid collection tank to avoid dripping.
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