Camshaft Crack Detection

Manufacturers of camshafts, and similar parts, are always battling casting issues that result in cracks, chips, voids, and other defects.  These quality killers are nearly impossible to detect visually, or with AI vision systems, making 100% inspection challenging and time consuming with traditional methods.

Signalysis Quality Test systems are fast, reliable, and provide 100% objective inspection. Our crack inspection algorithms are built on a foundation of FEM, Physics, Structural Dynamics, and Strength of Materials. 

Supported with decades of practical hands-on experience and a career’s worth of work performed at NASA, this unique expertise starts by analyzing your parts and understanding how defects alter the intended modal response for the part under test.

Benefits

·   Non-destructive testing of raw or machined cast, fabricated, sintered, forged, diecast, parts

·   Fast and measurable results

·   Reduce customer complaints, scrap rates, and warranty claims

·   Repeatable, reliable, and consistent

·   Physics-based to eliminate subjective quality interpretations

·   Customized to your exact specifications and requirements

Signalysis Test Systems: Rooted in Physics

On the inside camshaft flaws produce high scrap rates and added manufacturing costs. But when defective parts are shipped, the results can be disastrous:

• Customer Complaints
• Excessive Warranty Claims
• Product Recalls
• Lost Contracts

Our camshaft test system applies advanced algorithms to identify cracks and other flaws resulting from machining, material hardening, and related manufacturing processes.

How it Works

Each camshaft lobe has a distinct set of mode shapes with deformation patterns known as Eigenvalues or Resonance Frequencies.  The input to our advanced quality inspection algorithm begins with identifying these lobe mode shapes that are most sensitive to cracks.

The measurement process uses a force response method.  Impacting each lobe with the Signalysis high frequency hammer generates a modal response that is measured by a laser vibrometer. This data is used to computer a Frequency Response Function.

Unmatched Expertise

Built upon decades of hands-on experience and unmatched expertise, Signalysis IQC test systems combine traditional NVH laboratory modal analysis, sound quality, testing, and structural dynamics test methods to bring 100% inspection confidence to the manufacturing floor.

IQC technology is rooted in high stress and vibration applications developed for NASA and is in daily production use by manufacturers throughout a variety of industries. With global installations, Signalysis quality inspection systems have tested over a million parts – and counting!