A good solution for many applications is the use of a so-called "measuring wheel". Polytec's compact velocimeters allow you to contactlessly measure both the length and the velocity of continuous material and piece goods. Universal use, rotatable spring arm. Temperature range: -40 °C - 60 °C... Bidirectional velocity measurement The LaserFlow™ remotely measures flow in open channels with non-contact Laser Doppler Velocity technology and non-contact... The temperature range which is not easy to be affected by the surrounding... Metal gear speed testing sensor is used to detect metal objects. They are the best choice for semiconductor wafers. ΜSPEED systems are capable of measuring speed and length without contact to the moving material surface. All contact length and speed measurements are indirect measurements relying on physical contact and friction between the product surface and another surface which turns an encoder that increments a counter. Speed Measurement Range. The Return on Investment (ROI) is often only a few weeks or a few months. Length measurement machine for textiles is calibrated without contact with μSPEED.
The probes are immune to electromagnetic interference (EMI) and are suitable for surfaces made of metallic, composite, plastic, glass, or ceramic materials. Length measurement on moving discrete parts: Non-contact and accurate measuring of piece lengths in high-speed continuous operation. This is to meet either local or national inspection standards for weights and measurement delivery of their products. This has led manufacturers to look at non-contact laser measurement techniques to accurately monitor the length and speed of products in converting applications involving continuous length measurement, differential speed control, cut-to-length control and product positioning, to name a few. Select by Application. Fiber Optic Sensors. Printing and packaging industry (rolls, labels, sheets, …).
Compact velocimeter generation. With its Speetec non-contact sensor for speed and length measurement, Sick has added a compact, affordable, eye-safe laser surface motion sensor to its portfolio. Irrespective of whether your task at hand involves performing measurements on steel, shiny aluminum, oily sheet material, wire, cable or non-metallic materials such as wood, cardboard, building materials and textiles – you can rest assured that the LSV can take measurements on virtually any surface. It can also be integrated into electronic control or data acquisition systems. The following illustrates some challenging length and speed applications where manufacturers were able to improve process control and realize production savings. Speetec offers a new possibility to measure without slipping, without measurement reference or markings and also without wear unlike contact systems. There was a problem submitting your feedback, please try again later. Non-contacting multi-channel stainless-steel speed sensor, difference-Hall principle. Unlike contact encoders the LaserSpeed® Pro LS4500 is not susceptible to errors due to slipping, wheel pick up or wear and will provide a more dependable measurement over the long term. More than ever before, converters are being pressured to deliver higher quality products faster while continuously reducing production costs in order to remain economically competitive.
At the point where the laser beams cross, a pattern of light bars is projected onto the surface of the measured object. ProSpeed laser sensors – Measure length and speed in production processes without contact. From the order in which the pulses appear the user can... High-speed measurements of distance, runout, thickness, positioning and eccentricity of metal targets, runout, thickness, positioning, and eccentricity. Regardless of your production line speeds or product type, the LaserSpeed® Pro LS4500 delivers precise, reliable measurements day in, day out. These characteristics convinced the jury of the iF Design Award. Non-contact Speed Measurement. The gauge readings are compared against calibration reference values to verify the sensor's absolute accuracy. Comparable systems are much slower here. A wide range of mechanical encoder designs are available to make the installation of the encoder to the conveyor as simple as possible. Non-contact length measurement: Non-contact ELOVIS measuring devices are used in the following industrial sectors for length measurement.
A contact gauge with inaccuracies as much as 2% can cost your organization a significant amount of money in unnecessary expense due to product give-away, waste, maintenance and system downtime. This information is translated into product speed and pulses are produced to determine the product length. KEYENCE sales staff are well trained and have a lot of experience in the industry. The SPEETEC® offers a new way to measure without slip, measuring elements or marking, and wear and tear on tactile sensor elements. For the SPEETEC®, this is less than a year. Issues of wear or build-up on the wheel affect calibration. Laser Encoder Length Measurement Systems and Speed Measurement Systems. System rental and sales of tactile and non-contact gauges. Phone:+918045479365. Improves profitability (high measurement accuracy, reducing rejects in cut-to-length processes), - Better productivity (no slippage possible allowing higher dynamics and increased process speed), - Reduces downtime (due to wear of tactile measuring devices caused by abrasion), - Easy to integrate (small size, easy to use for new machines or existing equipment).
Figure 1 below shows a string pot, a cable-actuated position sensor that uses a spring-loaded spool to detect and measure linear position. Many of these non-contact length and non-contact speed measurement terms have become synonymous with the LaserSpeed Pro product name. Temperature range: -15 °C - 100 °C. LaserSpeed Pro offers a number of significant advantages over contact-type measurement methods, such as mechanical contact encoders, rotary encoders, tachometers, and shaft encoders. Darren Pratt, SICK's UK product manager for motion control sensors, comments: "The performance and affordability of the SICK Speetec will come as a surprise to many machine builders and manufacturers in the textile industry. The result was an error in calculated surface speed at the time of splicing. The sensor uses innovative radar technology and enables reliable, non-contact... ELOVIS gauges are mounted at a safe distance to the transport conveyor and measure the length of the passing material surface. The sensor will be returned the following day with a certificate associated with its unique serial number as proof of accuracy. Length Measurement System. Due to its design and type approval according to DIN EN 50155 especially suitable for transport technology. The LSV5000 directly measures surface velocity without contact by using the proven technique of Doppler frequency shift.
Although non-contact measurement has its advantages, contact-based measurement is a good choice for applications with low levels of cleanliness. Material stretch inducing large errors. In February of 2002, a Polytec LSV5000, laser based, noncontact speed and length sensor was installed in conjunction with a high speed unwind (5200 ft/min) supplied by Metso Paper, in order to improve the speed matching of the parent reel with the expiring reel. Measure roll length / coil length: Length measurement on moving webs, tapes, rolls, wraps, bobbins.
Direction of Movement. Length Measurement in Fabric Production – µSPEED. The LaserSpeed® Pro LS4500 measures process speed and length using a non-contact method and is a direct replacement of existing contact rotary encoders to improve accuracy and reliability of in-process measurement. Are available in stand-off distances and depths-of-field to suit applications as required. Contact vs. Non-Contact Measurement and Linear Displacement Sensors. Over the years I have worked with companies producing or processing paper, foils, films or building materials such as plasterboard, chipboard, insulation, plastic extrusion, pipes etc. Thanks to the optical measurement the sensor captures length and speed reliably in challenging industrial environments.
Failure to perform this accurately can lead to poor quality or the use of excessive raw materials. They are not recommended for use in dirty environments, and are not affected by magnetic fields, temperature, humidity, nuclear radiation, or pressure. With over 8, 000 installations worldwide in all types of in-process applications. Dave from DesignSpark. Laser displacement sensor - Ultra High-Speed and High-Accuracy. Via external direction signal. In all of these applications, I have witnessed a need for accurate speed and length measurement solutions. It therefore promises to automate in-line measurement processes for process control, quality checking, or cutting, at levels of speed or accuracy which would not have previously been possible. The InteliSENS gauges are robustly engineered and are offered with an industry-leading suite of mounting, environmental protection and application-matched designs – including standoff distances up to 2. This detection requires no scale or measuring elements. The sensors are used for measuring roll lengths, winding lengths and coil lengths, as well as for cutting or cut-to-length control.
SICK, Inc. 6900 West 110th Street. Non-contact length and speed measurement offers numerous quality, process efficiency and financial advantages. Laser rangefinders and laser sensors are suited to non-contact dimensional, especially length measuring. Conveyor Speed Measurement.
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