What tests do these coils undergo?

At SFC, coils are tested to ensure they are durable, do what they should meet quality standards and client requirements, are safe, and more. Our coils undergo many different kinds of tests. Here is a prescription of the various tests we use at SFC Energy BV.

1. Flow Test: Water or air flow tests verify the proper flow of coolant through the channels surrounding the coils, which is crucial for optimal device performance. Flow tests help verify that the coolant flows as intended without any blockages or irregularities.
2. Pressure Test: Water or air pressure tests help identify any leaks in the device. If the cooling channels are not manufactured or positioned properly, leakages can damage higher assemblies.
3. 3D Measuring Tests: 3D measuring tests verify that the coils/assemblies meet specified tolerances and geometrical requirements to ensure they fit the customer’s request and the device’s parameters.
4. Mechanical Tests: To test how the coils will hold up when being used, the mechanical properties of the coils, their ability to withstand stress, vibrations, and environmental factors, the coils go through mechanical tests. These tests help determine the coil’s durability and reliability in real-world conditions.
5. X-Ray: X-Rays help inspect the coils from all sides, including the inside. If the coils have any defects, issues, or aren’t up to par, the X-Ray will show the weaknesses.
6. Angle Measurement: The coils need to be aligned and orientated so that they can be assembled correctly and function properly in the device they are placed into. Angle measurement tests ensure that the coils are properly aligned.
7. High Voltage Test: This test evaluates the coil’s isolation against electrically conductive components to ensure it is sufficient for the device’s correct and stable operation. It verifies that the isolation can withstand high voltage without breaking down, minimizing the risk of failure and ensuring reliable performance for the customer.
8. Surge Test: Surge testing assesses the coil’s ability to detect short circuits and insulation weaknesses in coils, especially between the layers and the wires of the coil.
9. Magnetic Field Direction: Specific devices and coils require a precise magnetic field direction in order to function. Therefore, we test our coils to ensure they create a magnetic field that aligns perfectly with the device they are placed in.
10. Resistance Test: Resistance testing measures the electrical resistance of coil windings. From these tests, we can prove the stability of our winding process to fulfill the right dimension and wound with the correct wire, the coil’s ability to conduct electricity, and overall electrical performance.
11. Inductance Test: This test uses magnetic field changes to measure. If the shape of the coil or the number of turns changes, it has a direct influence on the Inductance measurement.
12. Coupling Coefficient: This test ensures the proper alignment of paired coils, which is essential for steering an electron beam. Accurate coil alignment is critical for the end customer because misaligned coils prevent effective control of the electron beam.
13. Thermal Resistance Test (Rth): Rth stands for thermal resistance. The Rth test measures how efficiently heat will dissipate from the coil and surrounding parts. Specific coils are very sensitive to high temperatures, so if they cannot dissipate heat, then the coils can potentially get damaged when very hot.

SFC prides itself on delivering reliable, safe, and precise coils to its customers. If a coil doesn’t pass the prescribed tests, it will not be delivered to the customer. We only release coils from our manufacturing facilities that meet our high standards and customer specifications.