Crysta-Apex S CMM

Mitutoyo America Corp.

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AURORA, Ill., Oct. 25, 2011 — The Crysta-Apex S coordinate measuring machine (CMM) from Mitutoyo America Corp. brings high performance and economy to the 1.7-µm class of computer numerical control CMMs.

With a maximum permissible entity error of 1.7 + 3 L/1000 µm, the system more than doubles the effective measuring range at a given measurement tolerance, as compared with typical CMMs in its class, according to the company. The drive features a high speed of 519 mm/s, maximum, and high acceleration of 2309 mm/s², maximum. These advances result in higher throughput for greater productivity and in lower total ownership and operating costs.

The UC-400 controller manages digital servo system control loops for position, speed and current, enabling implementation of various types of control algorithms. The digital servo system has a wide dynamic range and is highly resistant to drift over time.

Extreme rigidity helps the coordinate measuring machine maintain accuracy. The Y-axis guide rail is integrated into one side of the granite surface plate. Precision air bearings located on the bottom, front, rear and upper surfaces of the X-axis slider minimize vibration and ensure stability, even during high-speed, high-acceleration operation.

Accuracy is further enhanced by a temperature compensation system that consists of a thermometer unit that measures the temperatures from thermal sensors located on the scale units of the CMM main unit and from a set of workpiece thermal sensors. The temperature data is transferred to the UC-400 machine controller for thermal compensation. For proper workpiece compensation, the thermal expansion coefficient of the workpiece material is entered by the user and, because the material of scale units of the CMM is constant, this expansion coefficient is permanently stored in the temperature unit.

The Crysta-Apex S supports a wide range of probes, including the MPP-310Q, which collects cloud point data at speeds of up to 120 mm/s. Other probes suited for screw depth measurement, ultrasmall-diameter measurement and noncontact measurement also are supported.

Available software options enable the machine to tackle a variety of measurement applications. Software packages include GeoPak, a high-functionality general-purpose measurement program at the heart of the “Mitutoyo controlled open system for modular operation support software,” which supports virtually every CAD format, while providing routines for in-line measurement, data feedback and process management.

Additional software supported includes: CAT1000S for free-form surface evaluation; CAT1000P, an offline teaching program; ScanPak for contour measurement; and a range of programs supporting laser and vision probes.

The machine provides USB communications for connectivity and supports the proprietary MeasurLink STAT Measure Plus statistical-processing and process-control program, which performs statistical analysis and provides real-time display of measurement results for process control applications. The program also can be linked to a higher-level network environment for enterprisewide functionality.

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Published: October 2011