eddy current machine

4. Main Components

1. High-Frequency Power Supply: Generates excitation current for the probe.

2. Eddy Current Probe (Coil): Induces and detects eddy current changes.

3. Signal Amplifier & Processor: Amplifies and filters detection signals.

4. Alarm Unit: Provides audio/visual alerts for defects.

5. Display and Control Panel: Interface for monitoring and parameter adjustment.

6. Mechanical Fixture: Holds and positions the probe relative to the pipe.

    

7.  

5.Application in Welded Pipe Equipment

1. Post-Weld Inspection:
   The eddy current tester is installed after the welding stage but before sizing, to inspect weld seams in real time.

2. Continuous Online Testing:
   As the pipe moves through an encircling coil probe, the device continuously scans the weld area for flaws.

3. Real-Time Alarm and Rejection:
   When a defect is detected, the system triggers an alarm and can activate an automated rejection mechanism to remove the defective pipe.

6. Operating Procedure       

1. Installation & Calibration

   • Install the probe on the production line (typically after welding).

   • Adjust probe-to-pipe gap for optimal sensitivity.

2. Parameter Setup

   • Set frequency, gain, and filters according to pipe size and material.

   • Calibrate using standard defect samples.

3. Start Testing

   • Start both the flaw detector and production line.

   • The system performs real-time inspection of the pipe surface and weld seam.

4. Defect Alarm & Handling

   • If a flaw is detected, the system triggers an alarm.

   • Defective pipes are automatically rejected via a mechanical system.

5. Data Recording & Analysis

   • Test data can be saved for traceability.

   • Statistical reports can be generated for quality improvement.

7. Factors Affecting Test Performance

• Operating Frequency:
  High frequencies detect surface flaws; lower frequencies penetrate deeper.

• Material Type:
  Different conductivity and magnetic permeability affect eddy current response.

• Probe Design:
  Must match pipe diameter and weld location.

• Speed & Stability:
  High-speed operation requires stable signal acquisition and precise mechanical setup.

🔁 Summary

The core principle of eddy current testing is:
“Defects disturb eddy currents → Eddy currents alter coil impedance → Electrical signal changes are detected and analyzed.”
It is a non-contact, high-speed, and highly sensitive method ideal for inline weld inspection in pipe manufacturing.

1. Enter Section Equipments
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3. 1. Coil car and Storage
4. 2.Single And Double Heads Un-coiler & Hydraulic And Pneumatic Un-coiler
5. 3.Peeler and hold down roll arm
6. 4.Flattening Machine
7. 5.Automatic and Semi Auto Shearer & Butt Welder
8. 6.Vertical Cage Accumulator​ & Horizontal Loop Accumulator & Landing Horizontal Spiral Loop Accumulator
   

1.  
2. 1. Eddy current machine
3. 2. Seam annealing machine
   
4. 3. Straightener machine
   
5. 4. Chamfer and end facer machine
   
6. 5. Hydro Tester machine
   
7. 6. Threading machine
   
8. 7. Painting and oil machine
   
9. 8. Automatic bundle and package machine

1.  
2. 1. Rollers, Moulds, Dies, D2,D3 material to choose
3. 2. Ferrite, Impeder, Fiberglass tube
   
4. 3. HSS saw blades, TCT Saw blades, Friction saw blades
   
5. 4. OD burr remove inserts, ID burr remover inserts
   
6. 5. HF welder Induction Coil and other HF welder spare parts
   
7. 6. Copper tube for induction Coil, PTFE pipe for Induction Coil
   
8. 7. Mosfet, Boards
   
9. 8. Steel pipe Strapping machine
   
10. 9. Zinc Spray Machine, Zinc wire, Zinc spray gun

1. Why Choose Us?
   

2. 1.Leading Technology, Reliable Quality, Excellent Service! Optimized Design, High quality material select!  Heat treatment process guarantee!

3. 2.Spiral bevel gear, drum gear coupling and carburization. Gear teeth quenching. Driven system stable, efficient and wearable with lower noise.

4. 3.High precision wear resisting and Long life of toolings. All the machine Lathes, Key Grooves are positioned and Milled by CNC.

5. 4.Quality department make sure the material of the raw materials quality, and ensure the machine running perfect.

After-sales service

1. 1.Machine test running videos will supply to customer before shipment.
2. 2.Online techenical support WHOLE LIFT FREE.
   
3. 3.Professional engineers team to install the machine,  train your employee well.
   
4. 4.One year warranty and life-long technical support.
   
5. 5 .24 hours for engineer response.
   
6. 6.Your business relationship with us will be confidential to any third party.
7. 7.  We welcome customers to visit our factory anytime.