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NCFB data sheet - .PDF file.

Kistler Instruments has launched new versions of its NCFB electromechanical joining modules. The smaller version has measuring ranges of 5kN and 15kN with 200mm stroke at a speed of 250mm/sec and the larger version has ranges of 25kN and 50kN with a 400mm stroke length at 150mm/sec. Both types have stroke length repeatability in real-world conditions of 0.01mm.

The ram is driven by an electronically commutated AC servomotor controlled by servo electronics to ensure constant rotational and therefore translational speed. Both new modules have an integrated piezoelectric force sensor with integral charge amplifier and absolute displacement encoder, which Kistler claims provides accurate and reliable operation over the module’s service life of approximately five million cycles.

Standard functions such as block pressing, position pressing and force feedback-controlled pressing, as well as intermediate positioning, are supported. The modules may be flange mounted vertically or horizontally and threaded bores of sufficient strength to hold tools are provided on the face of the ram. The maximum tool weight without holding brake is 10kg or 50kg with holding brake for the smaller unit and 15kg or 100kg for the larger.

According to Kistler, the new modules have low installation and operating costs, requiring only an electrical supply and cabling to the servo controller and monitoring and evaluation unit, which communicates with the machine interface to provide OK/NOK commands.

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Key features and specifications

  • Two versions of the design are available: the smaller version has measuring ranges of 5kN and 15kN with 200mm stroke at a speed of 250mm/sec; and the larger version has ranges of 25kN and 50kN with a 400mm stroke length at 150mm/sec.
  • The ram is driven by an electronically commutated AC servomotor controlled by servo electronics.
  • The modules have a service life of approximately five million cycles.
  • They may be flange mounted vertically or horizontally.

Kistler Instruments

Established in Winterthur (Switzerland) in 1957, the Kistler Group now has a worldwide presence with 23 group companies and 30 distributors ensuring prompt, local application support and short delivery times. With a staff of more than 1,000, the Kistler Group is one of the world’s leading providers of dynamic measuring instrumentation.

Kistler’s core competence is the development, production and use of sensors for measuring pressure, force and acceleration.  Kistler’s know-how and electronic systems can be used to prepare measuring signals for use in analyzing physical processes, controlling and optimizing industrial processes, improving product quality in manufacturing and improving performance in sports and rehabilitation.

Kistler offers a comprehensive range of sensors and systems for engine development, automotive engineering, plastics and metal processing, installation technology and biomechanics.

Heavy investment in research and development, 15% of staff worldwide are engaged in research and development, has generated a number of innovations using piezoelectric, piezoresistive and capacitive techniques to provide solutions to numerous force, pressure and acceleration measuring problems. These innovations include the world’s first commercial quartz sensor, two-wire constant current technology to integrate sensors with microelectronic circuitry, high-temperature pressure sensors for use up to 400 Deg C and three-component force measuring sensors.

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