Leitz Reference HP HTA Solution

Specialised blisk inspection solution speeds up the creation and execution of measurement routines by up to 50%

An image of a CMM from a side angle. On the coordinate measuring machine is a blisk being inspected by a contactless sensor
Blisks for aerospace engines have complex geometries that include freeform surfaces and blades with slim profiles and sharp, rounded edges which typically take days to mill. They also need to meet very tight tolerances, making them difficult and time-consuming to inspect.

The Leitz Reference HP HTA solution is purpose-built to overcome the inherent challenges of blisk inspection, using optical measurement for speed and accuracy. The specialised Leitz Reference HP HTA system relies on Hexagon’s HP-O non-contact interferometric laser sensor and specialised Bladed Rotors Measurement software, working with a high performance CMM to deliver precise inspection data with exceptional speed and flexibility.

The HP-O optical sensor’s interferometric system makes it one of the most precise non-contact measurement technologies available. Hexagon’s Bladed Rotors Measurement software meanwhile deploys a combination of parametric techniques, automated path planning for airfoil measurement and collision avoidance to reduce measurement routine creation time by as much as 70%. 

Other advantages of the Leitz Reference HP HTA include the ability to automatically adjust scanning speeds depending on the complexity and importance of the area being measured. 

As a result, the Leitz Reference HP HTA enables manufacturers to increase the speed of blisk inspection by as much as 50% compared to traditional methods, while capturing rich data sets that inform production processes.
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Faster, user-friendly routine creation
Hexagon’s Bladed Rotors Measurement software uses a combination of parametric techniques, automated path planning for airfoil measurement and collision avoidance to reduce measurement routine creation time by as much as 70%.

Rapid measurement execution
The HP-O interferometric laser sensor offers extremely fast scanning times, capturing a thousand points per second. Combined with Bladed Rotors Measurement software, it executes routines with maximum accuracy and efficiency reducing the need for wrist and probe changes

High Accuracy
The interferometric system makes the HP-O one of the most precise non-contact sensor technologies for distance measurements on the market. 

Non-Contact Measurement
Non-contact measurement removes the risk of damaging the part, making it ideal for highly polished surfaces.
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