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Penny Giles supplied Sarclad with its STT280 tilt sensors and SRH280DP rotary sensors for providing critical measurements for an in-chain strand condition monitor — an online measurement system used for the monitoring of continuous casting machine rolls used in the manufacturing of steel.

Penny Giles’ STT280 tilt sensors use spring-loaded blades to tangent pairs of rolls and measure the angles between them in order to calculate the fixed-roll alignment. This enables Sarclad to identify rolls and segments that are out of position relative to other rolls within each segment.

The units feature solid state ’3D-Micro-Electro-Mechanical Systems’ — used to measure the sensor’s inclination relative to the Earth’s gravity — which enables a naturally-damped response that is not affected by knocking or vibration.

SRH280DP rotary Hall effect sensors — used to measure gap displacement — were originally supplied as single channel versions, but Sarclad now uses two channel models. These can be configured either with both channel outputs increasing with clockwise or anti-clockwise shaft rotation, or one clockwise with one anti-clockwise. As they are non-contact sensors, their outputs are not affected by pressure applied to the shaft in an axial direction.

Sarclad says that the In-chain strand condition monitor enables it to avoid downtime and maintain product quality. The company also states that it has installed STT280 tilt sensors on its traditional strand condition monitor — the offline equivalent of the in-chain system.

Key specifications

STT280 tilt sensor

  • Operates from a 5VDC regulated or an unregulated 8–30VDC supply
  • Requires less than 6.5mA of power
  • Output range of 0.5–4.5VDC over the full inclination angle
  • Nominal 2.5VDC at 0° tilt
  • Choice of measurement range from ±10°, ±20°, ±30° and ±60°

SRH280DP rotary Hall effect sensor

  • Operates from a 5VDC or 9–30VDC unregulated power supply
  • Offered with analogue (0.5–4.5VDC) or digital (PWM) output signals
  • Measurement range of 0-20° to 0-360° in 1° increments
  • 12 bit resolution (0.025 per cent) over the measuring range
  • Operates within a temperature range of -40 to 140°C when powered at 5VDC

Curtiss-Wright Industrial Group

The Curtiss-Wright Industrial Group is formed from a number established specialist companies who are experts in the design, testing and manufacture of a range of components and systems for the safe and reliable operation and control of mobile and static machinery – especially off-highway vehicles, heavy trucks, buses, military vehicles and motorsport. Within the business are four market leading brands — Penny & Giles Controls, PG Drives Technology, William Controls, and Arens Controls.

The Curtiss-Wright Industrial Group is formed from a number established specialist companies who are experts in the design, testing and manufacture of a range of components and systems for the safe and reliable operation and control of mobile and static machinery – especially off-highway vehicles, heavy trucks, buses, military vehicles and motorsport. Within the business are four market leading brands — Penny & Giles Controls, PG Drives Technology, William Controls, and Arens Controls.

Penny & Giles Controls
Delivers rugged component level solutions using the latest non-contact sensing technologies, and specialises in rotary, linear and tilt position sensors; joysticks; solenoid actuators and associated electronic signal conditioning. The business was first established in 1956 and pioneered aerospace sensing and data recording technologies with a reputation for quality, performance and reliability. The aerospace business continues today within other Curtiss-Wright business units. The company joined Curtiss-Wright in 2002.

PG Drives Technology
Delivers rugged subsystem solutions including programmable controllers and drives used in a wide variety of advanced electric-powered vehicles such as forklifts, pallet loaders, mobility scooters and wheelchairs, serving the industrial and medical markets. These products deliver precise variable power from batteries to electric drive motors, and are fully programmable to suit various motor profiles, voltages and power levels. The business was first established in 1976 and was originally part of the Penny & Giles group of companies. The company joined Curtiss-Wright in 2012.

Williams Controls
Delivers rugged component level solutions and is a leading designer and manufacturer of highly-engineered electronic sensors and electronic throttle controls for off-road equipment, heavy trucks, and military vehicles. The business was first established in 1937 and pioneered the development of the first electronic throttle control for large diesel engines, quickly becoming the world leader in the design and manufacture of electronic throttle controls for trucks and buses. The company joined Curtiss-Wright in 2012.

Arens Controls
Delivers rugged component level and subsystem solutions and is a leading designer and manufacturer of highly engineered electronic shift controls for automatic transmissions used on heavy trucks and buses. The company also designs and manufactures power management and traction systems for the emerging Hybrid Electronic Vehicle (HEV) market. The business was first established in 1939 and pioneered the development of “by-wire” vehicle control technology, and more recently power electronic drivetrain components and systems for the HEV market. The company joined Curtiss-Wright in 2013.

Curtiss-Wright Industrial Group has manufacturing sites in the US, Europe, India and China. Total customer service and support is assured via a global sales network with CWIG offices in the US, UK, Germany, India, Taiwan and China, as well as a network of distributors and agents covering other regions.

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