Rotary encoders without integral bearing operate without friction. The two components - the scanning head and the scale disk, drum, or tape - are adjusted to each other during assembly. The benefits are: Large diameter of hollow shaft For high shaft speeds No additional starting torque In addition to the system accuracy, the mounting and adjustment of the scanning head normally have a significant effect on the accuracy that can be achieved with rotary encoders without integral bearings. Of particular importance are the mounting eccentricity and radial runout of the measured shaft. The inductive rotary encoders ECI/EQI 1300 are mechanically compatible with the photoelectric encoders ExN 1300: the shaft is fastened with a central screw. The stator of the encoder is clamped by an axially tightened screw in the location hole.
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Engineered on the basis of a compact innovative technology, the incremental encoders E30, offer great accuracy and reliability in a small size, and an excellent price/performance ratio. The incremental encoders E30 are available both in the bidirectional version (E30) and in the bidirectional type with zero reference pulse (E31); the pulses per revolution no. ranges from 2 to 12500. Their body diameter measures 30 mm only, with shaft diameter 4 or 6 mm. The encoder E30 is housed in an ABS plastic case, with axial cable or connector outlet. The output signals can be provided in NPN open collector, push-pull or line-driver format.
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Measurement and control technology from Heidenhain Regardless of whether you require measurement devices for your machine tools or length measurement systems – Heidenhain is your best option for challenging positioning tasks. With over 40 years of experience with measurement and control technology from Heidenhain, we can offer you a broad range of products to meet a variety of requirements in your plant. The encoders are available for various ranges with and without integral bearings and we also supply sliders and sensing heads for length measurement systems. A lot of our products also include comprehensive technical information documents, such as operating instructions and product information. We can supply general reconditioned repairs as well as new, replacement and exchange parts for current and discontinued modules and always at fixed prices.
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The QuellTech laser sensor family Q4 or Q5 used for these tasks is generally mounted on an arm of a rotational axis, to scan along the complete 360° angle of the internal surface in a sequence of strips. The Q4 sensors can also be used to control the weld seam tracking itself for rapid setup and ease of use. Even during a project, the range and scope of the Q Series sensor demonstrates the advantages of a modular system to quickly adapt to project needs, where the smallest system has provided fast analysis of pipes as small as 105mm. The low power, with standard communication protocols, enable battery powered systems to transmit wireless data to other systems for review and cloud back up.
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