Building on the success of the original NC4+ Blue, the non-contact tool setter features an ultra-compact design and available in four sizes, with operating gaps ranging from 55 mm to 240 mm. Measurement repeatability has also been improved across the range, now down to +/- 0.5 micron on smaller separations.
Improved machining accuracy
Featuring blue laser technology and improved optics, Renishaw‘s NC4+ Blue systems deliver improvements in tool measurement accuracy, ensuring components can be machined more accurately and efficiently.
Compared to red laser sources found in conventional non-contact tool setters, blue laser technology has a shorter wavelength resulting in optimized laser beam geometry. This enables the measurement of very small tools, while minimizing tool-to-tool measurement errors.
Rapid, robust, and reliable measurement
NC4+ Blue systems use Renishaw‘s non-contact tool setting software package, evolving to ensure rapid, robust, and reliable measurement even in wet conditions. Auto-optimization technology within the software automatically adjusts the movement of the tool in and out of the beam to minimize any wasted movement and cycle time. Features include a dual measurement mode where the tool is measured as it exits the laser beam and an advanced tool cleaning option, ensuring the tool is free from debris and coolant during measurement. Further enhancements to tool run-out and profile measurement cycles deliver increased functionality and reliability to advanced users.
Superior optical protection
The interior of a machining center is a hostile environment with coolant drips, swarf chips and dust commonplace. Coolant mist can saturate the air and quickly coat any exposed optical surfaces. Whatever their optical design, laser tool setting systems need clean optics and an unobstructed beam path to function.
The NC4+ Blue uses MicroHole and PassiveSeal optical protection technologies, enabling fast and reliable tool measurement, even in wet conditions.
MicroHole technology ensures the optics are protected from contamination during measurement by delivering a continuous stream of compressed air through a small, precise laser-drilled hole in the transmitter and receiver heads. The PassiveSeal system provides an additional layer of protection, automatically shielding the optics from contamination in the event of air supply failure. It uses a simple pneumatic installation that minimizes any need for maintenance.
Simplified programming and reporting – Industry 4.0 ready
NC4+ Blue support is now embedded into Renishaw’s extensive range of graphical user interfaces, including on-machine and mobile apps such as Renishaw Set and Inspect and GoProbe. These consistent,
easy-to-use programming platforms are perfect for users who are new to probing or have little machine code knowledge, whilst still offering operational benefits to more experienced users.
Renishaw technologies provide the data that enables intelligent decision-making for Industry 4.0. On-machine tool measurement allows manufacturers to automate and optimize their processes and minimize quality problems and CNC machine stoppages. With the latest version of Renishaw’s on-machine Reporter app, users can now view historical tool data captured by the NC4+ Blue and stream the measurements in real-time. Results can also be exported via CSV file or PDF report and either stored for traceability or imported into in-house quality analysis software.

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