CMM Doubles Effective Measuring Range

The Crysta-Apex S coordinate measuring machine has a maximum error of MPEE  (1.7+3 L/1,000) micrometer.

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The Crysta-Apex S coordinate measuring machine has a maximum error of MPEE  (1.7+3 L/1,000) micrometer. The CMM more than doubles the effective measuring range at a given measurement tolerance as compared with typical CMMs in its class, the company says. Additionally, the drive features high-speed (max 519 mm/s) and high acceleration (max 2,309 mm/s2). These advances result in higher throughput for more productivity and lower total owning and operating costs.
The CMM uses the new UC-400 controller to manage digital servo system control loops for position, speed and current. This makes it easy to implement various types of control algorithms. Additionally, the digital servo system has a dynamic range and is highly resistant to drift over time.
Extreme rigidity helps the 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 are designed to minimize vibration and ensure stability even during high speed, high acceleration operation. Accuracy is further enhanced by an advanced temperature compensation system, the company says. The system 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; since the material of scale units of the CMM is constant, this expansion coefficient is permanently stored in the temperature unit.
The CMM supports a range of probes that offer increased capabilities including the MPP-310Q scanning probe that collects cloud point data at speeds of up to 120 mm/s. Other probes suited for screw depth measurement, ultra-small diameter measurement and non-contact measurement are also supported.

Available software options enable the machine to tackle a variety of measurement applications.  

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