Renishaw's RGH24 series of incremental gratings, featuring RGS20 linear gold-plated scales, has been a trusted solution in the market for many years. Known as a benchmark in position feedback technology, it continues to be widely adopted by customers due to its reliability and performance.
As manufacturers strive to enhance industrial processes by increasing speed, accuracy, and efficiency, the role of position feedback sensors has become more critical than ever. To meet these evolving demands, sensor suppliers must continuously innovate. Renishaw has responded by introducing an upgraded version of the RGH24 grating readhead, designed to support the latest advanced manufacturing equipment.
This new model retains the same physical structure and dimensions as the original RGH24, allowing for seamless integration into existing systems without requiring significant modifications. Inside, however, the electronics have been significantly improved, offering more clocking options to support higher operating speeds. Enhanced interpolation processors and upgraded circuits now enable faster data transfer rates, making this version ideal for high-performance applications.
Performance improvements include faster operation at higher resolutions, such as 3 m/s at 0.1 μm resolution, reduced cycle error, and optional high-resolution settings of 0.1 μm or 0.2 μm. The RGS gold-plated scale and digital RS422 output format remain consistent with the standard RGH24, ensuring compatibility and ease of use.
The upgraded RGH24 encoder system delivers all the benefits of the original series while offering enhanced speed, resolution, and accuracy. This makes it an even more attractive choice for demanding industrial applications.
**About the RGH24 Encoder**
The RGH24 encoder is a compact readhead that includes built-in subdivision circuitry, providing industry-standard digital and analog outputs. Its non-contact design ensures high-speed, reliable operation with no friction or wear, making it ideal for harsh environments.
The RGH24 series has proven itself in challenging applications where other open gratings may struggle. Many leading OEMs in the linear motion systems industry have integrated this grating into their products, spanning sectors such as metrology, machine tools, electronics, semiconductors, and flat panel displays.
In addition to its robust performance, the RGH24 readhead features an LED mounting indicator, an advanced optical filtering system that resists dirt, and a built-in subdivision circuit capable of resolving down to 10 nm. These features, combined with its reliability and value, make the RGH24 one of Renishaw’s most popular encoder solutions.
**About Renishaw**
Renishaw is a global leader in engineering and technology, specializing in precision measurement and healthcare solutions. The company serves a wide range of industries, from aerospace and energy to medical devices and additive manufacturing (3D printing). Renishaw is also the only UK-based company that designs and manufactures industrial additive manufacturing equipment, producing metal parts through powder-based 3D printing.
With over 70 branches across 35 countries and more than 4,000 employees worldwide—more than 2,700 of whom are based in the UK—Renishaw continues to drive innovation. Most of its research and development, as well as manufacturing, takes place in the UK. In the 2016 fiscal year, the company achieved £466.6 million in sales, with 95% coming from export markets. Its largest markets include China, the United States, Germany, and Japan.
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