TUBEINSPECT: Tube ID & OD High-Precision 3D ... - Novacam

How long does it take to scan a tube with TUBEINSPECT system?

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• Scan time depends on the tube size, tube length, what aspects of the tube you need to measure, and the rotational speed of the stage (chuck) holding the tube. The TUBEINSPECT system(with MICROCAM-4D) acquires up to 100,000 measurements per second, which represents 1 million 3D topography points in 10 seconds. Standard speed of part rotation is 2 rotations per second. The speed can be higher depending on the application (e.g., depending on tube size, weight, and related safety factors). The user selects the rotation speed, the probe acquisition speed, and the pitch of the spiral, which together determine the number of points that will be acquired and the time the scan will take. In general, dimensional measurements (for GD&T) require the least amount of points and can be achieved the fastest. Roughness callouts may take 3 to 4 seconds each. Defect detection requires the most amount of points, of course depending on the size of defect you are looking for. For help with estimating the time required to scan your tubes or cylinders, please contact us.

Can TUBEINSPECT system measure internal dimensions of cavities that are not tubular in shape?

• Yes, depending on the geometry of the cavity. Note that if the workpiece containing the cavity cannot be rotated (i.e., it needs to remain stationary), you may want to consider using the BoreInspect system, which comes with a rotational scanner, which quickly spins a side-looking optical probe.

Is the TUBEINSPECT system easy to use?

• Yes. The scanning sequence (recipe) can be programmed with a joystick and can be recalled at later times with the push of a button.

Is the system able to work right on production floor?

• Yes. The system is ideally suited to both lab and shop floor inspection. Inline and robot setups are an option. The non-contact probes can even be configured to work in hostile environments such as extremely hot, cryogenic, or radioactive.

Can TUBEINSPECT system give us automated measurements and reports?

• Yes.

I noticed the tube spins around the probe. Can any runout of the chuck affect the scan data?

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• No, runout is not an issue with TUBEINSPECT system. Gauge rings are used to calibrate the system and validate the results. The system provides micron-level diameter measurement repeatability.

Does the TUBEINSPECT system probe have to be on the centerline of the tube when measuring the tube ID?

• In most cases, the probe is not positioned at the center of the rotated tube (see top view diagram).

The probe simply needs to be lowered into the tube at a constant distance from the tubes ID surface.

Vision systems rely on a combination of cameras and software to inspect objects automatically. The system would use one or more high-resolution cameras to capture the images and data of the object being inspected in real time. This image capture is also incredibly accurate, granting these systems levels of accuracy in single-digit microns.

Once the images and other data have been captured and collected, theyre relayed to a computing unit for processing by dedicated software solutions. This could potentially involve techniques like filtering, edge detection, pattern recognition, or even color analysis to identify different properties associated with an observed object and various inspection requirements. Once the image is processed, the processing software extracts relevant information, including measurement, presence or absence of different components, defects, etc. These metrics are then compared against pre-set standards or criteria, leading to subsequent decision-making based on the results of the comparison.

Decision-making could be as simple as a pass-fail outcome or as complex as the location of a specific defect. Vision Inspections systems can be further programmed to either alert the operator, trigger automated actions, or gather data for QA. Whats great about these systems is that theyre fully customizable, and they often use machine learning to adapt to new patterns for greater efficiency.

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