With its sensor system completely integrated in the ball runner block, Bosch Rexroth’s new IMScompact integrated measuring system determines the exact position with a high repetition accuracy of ±1 μm. IMScompact enhances the range of linear guides and is available in sizes 15, 20 and 25, making the measuring system for ball rail systems a compact and cost-effective extension for smaller machines. Integration into the runner block ensures high EMC protection, which means IMScompact is also suitable for use in combination with linear motors. The measuring system is not subject to wear, either incremental or absolute. It increases precision and dynamics, particularly for handling applications or general automation solutions.
Bosch Rexroth’s ball rail systems with an IMScompact integrated measuring system for handling solutions.
With magnetic tape adhered along the entire length of the linear guide, the IMScompact determines the position of the runner block by means of noncontact measurement, with an absolute precision of ±20 μm per meter and a repetition accuracy of ±1 μm at speeds of up to 5 m/s.
The runner block’s steel body shields the integrated encoder against magnetic interference like a Faraday cage, allowing the integrated measuring system to provide exact values even in combination with linear motors. With its contact-free, zero-wear measuring principle and insensitivity towards dust, impact and vibrations, the IMScompact is particularly durable. The dimensions are the same as those of standard systems, except the cable outlet is on the side of the runner block, which means the IMScompact can be integrated into existing designs without changes to the construction. Complete integration into the runner block makes additional attachments unnecessary, reducing system costs and avoiding interfering contours.
The measuring system is equipped with an incremental 1Vpp or TTL interface and an absolute SSI encoder. The measuring length is up to 17.8 m with several rail sections, and commissioning is facilitated by the use of standard components. Additionally, linear guides can be configured online. While the absolute version is always supplied with a connector, users can also specify if they want an open cable end for the incremental variant. The cable works with cable track chains and the cable length is selectable. As an accessory, Bosch Rexroth offers an external digital display, which can be used to measure component lengths in fixture construction.
For more information, visit: boschrexroth-us.com/IMScompact
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