This Magnetic Crack Detector is a wet horizontal bench-type unidirectional machine that generates circular magnetization meant for checking both bright & black rolled steel round bars. Circular magnetization is achieved by clamping the bar directly between the headstock & tailstock and passing current through it. The machine is capable of detecting longitudinal cracks only. The headshot current can be switched between HWDC & AC for the detection of subsurface & surface cracks. The machine is semi-automatic in operation. All operations, such as loading, spraying, magnetization, demagnetization & unloading, are automatic. The only manual operation is the inspection.

1. K E E P I N G M A C H I N E S S A F E A N D S O U N D
Unveiling the Power of
Magnetic Crack Detection
+91 92162 88466
sales@magkraftndt.com
Plot No. 409, Industrial Area Phase 9, Mohali – 160062, Punjab, India

2. What is Magnetic Crack Detection?
Magnetic Crack Detection is a non-destructive testing
(NDT) method used extensively to discover surface
and near-surface discontinuities in ferromagnetic
materials. Think of it as a highly sensitive health
check for the metallic giants in industries like
aerospace, automotive, and manufacturing. By
applying a magnetic field to the metal, any crack or
flaw will disturb this field, creating a leakage visible
with the use of fine iron particles. It’s like sprinkling
pepper on soapy water to catch a breach – simple yet
highly effective.

3. HOW DOES IT WORK?
THE PROCESS CAN SEEM A BIT LIKE MAGIC, BUT IT’S ALL
GROUNDED IN SCIENCE. HERE’S A QUICK BREAKDOWN:
• Magnetization: The first step involves magnetizing the
component. This can be done using a direct or indirect
method, depending on the shape and size of the
material.
• Application of Particles: Once magnetized, fine iron
particles, either dry or suspended in a liquid, are applied
to the surface of the component.
• Flaw Detection: If there are any cracks or defects, these
particles will gather and form visible indications at the
flaw sites due to magnetic leakage.

4. Why is
Magnetic
Crack
Detection
a Game-
Changer?
EFFICIENCY
This method is incredibly efficient. It allows for the inspection of
large volumes of material in a relatively short amount of time,
making it ideal for high-volume production environments.
SENSITIVITY
Magnetic Crack Detection can find extremely fine cracks that
other methods might miss. This sensitivity makes it invaluable for
preventive maintenance, helping avoid catastrophic failures and
costly downtime.
VERSATILITY
It’s adaptable to various shapes and sizes of ferromagnetic
materials, which means it can be used in a myriad of
applications—from inspecting automotive parts to ensuring the
integrity of structural components in skyscrapers.

5. Real-World Applications
The Bottom Line
The real-world applications of Magnetic Crack
Detection are vast and impressive. In the
aerospace industry, it ensures the structural
integrity of aircraft parts, which are subject to
extreme environmental conditions.
Magnetic Crack Detection is more than just a
maintenance tool; it’s a cornerstone technology
in the realm of industrial safety and efficiency.
By enabling early detection of potential
problems, it not only saves time and money but
also protects lives by preventing mechanical
failures.

6. Thank You