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Ultra-Compact Radio Transmission Probe Ideal for Mill-Turn and Multi-Axis Machine Tools

DN Staff

June 2, 2010

1 Min Read
Ultra-Compact Radio Transmission Probe Ideal for Mill-Turn and Multi-Axis Machine Tools

ELECTRONICS: Renishaw’s new RMP40 touch probe combines ultra-compact size with unique frequency-hopping spread spectrum (FHSS) radio transmission to bring the advantages of automated job set-up and in-process measurement to a wide range of machine tools and difficult applications. It is ideal for multi-axis and mill-turn machines where line-of-sight between the inspection probe and its interface can become obstructed. Measuring just 40mm (1.57 inches) in diameter and 58.3mm (2.30 inches) long, the RMP40 provides uni-directional probing repeatability of 1µm (0.00004 inches) and can be used to reduce set-up times, scrap, and fixture costs, while improving process control.

The RMP40’s FHSS radio transmission pairs with the standard Renishaw Radio Machine Interface (RMI) and utilizes the 2.4GHz frequency band, making it legal for use worldwide, so machine tool builders and users can specify and operate the same types of probes wherever they are located. The touch probe and its interface continually hop from one transmission channel to another, delivering unrivalled signal robustness and flexibility through frequency diversity. This eliminates “dead spots” in the working environment and allows the system to avoid radio interference, both of which are common problems for fixed-channel and non-hopping radio probes.

The RMP40 touch probe incorporates Renishaw’s patented Trigger Logic™ set-up and mode selection menus. This allows users to quickly and easily configure the probe system to their specific requirements, without disassembly or changes to tiny switches. The RMP40 is sealed to IPX8 to withstand harsh machining environments.

The RMP40M “transmission-only” module—a variant of the RMP40— is available to allow the use of Renishaw’s LP2 family of touch probes and accessories in order to reach part features that would otherwise be inaccessible, while retaining the advantages of radio transmission.

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-Edited by Kelsey Anderson

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