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MDA Technologies 5/2016

MDA Technologies 5/2016

Precision ring drive

Precision ring drive system for high speed and high torque USA based Nexen Group, introduces the Compact Ring Drive (CRD) system with precision grade bearing and drive mechanism in a sealed housing. The freely programmable and 3-drive design configurations allow the CRD system to be optimized for high speed and high torque, both, depending on the application. With a 250 or 350 mm dial plate bolt circle diameter and a large open center, users can even optimize the performance in a small space. The combination of Nexen’s roller pinion technology with integrated bearing and motor/gearhead (drive mechanism) deliver a smooth system with zero backlash options from the motor through the driven load. The CRD is ideal for applications including cutting systems, gantry systems, medical products, robotics, aerospace, machine tool, semiconductor and material handling. Nexen’s Compact Precision Ring Drive system offers indexing precision up to ± 30 ArcSec and repeatability up to ± 5.1 ArcSec. The CRD system is smooth in motion and has a high output load capacity of up to 108 kN, and can handle speeds of up to 225 rpm. Nexen produces roller pinion systems, industrial brakes, clutches, torque limiters, overload protection devices and control systems. www.nexengroup.com Edge protection profiles with and without sealing function Edge protection and sealing profiles from Ganter ensure reliable front closure, for example on flaps. They also speed up the production phase because deburring and handling the edges can practically be eliminated. GN 2184 is available in two sizes and is made of extruded PVC. Edge protection sealing profiles GN 2180 and GN 2182 provide both edge protection and sealing. Consisting of a clamping profile and co-extruded hollow chamber sealing profile featuring soft design, they are available in various sizes. The clamping insert in this case is made of a combination of steel wire and polyester. The sealing profile is arranged on the top or side of the clamping profile. The profiles are made of EPDM or NBR or from a combination of PVC and EPDM. The materials used are designed to be permanently elastic and feature excellent resilience, which ensures that sealing properties are retained long-term. All profiles meet the requirements of RoHS and REACH. The EPDM profiles of GN 2180 are also certified to UL 50 and UL 94-HB. www.ganter-griff.de/en/home Frequency converter series with variable drive solutions www.schneider-electric.com Schneider Electric has added two frequency converters with variable and intelligent drive solutions to its portfolio. The company offers specialized solutions for machine construction and industrial applications. The Altivar Machine series supports the needs of machine manufacturers and covers the complete range – from simple to high-technology applications. The manufacturer focuses especially on a simple, user-friendly product in the Altivar Machine series and therefore offers a wide range of communication interfaces and protocols such as Modbus Serial, CANopen, Modbus TCP & Ethernet/IP, EtherCAT, Profinet and Powerlink. The Altivar Process series is specially designed for water management, the oil and gas industry as well as mining and the food industry. Typical applications include pumps, fans and compressors in systems that convey gases or liquids. Environmental compatibility was especially important in the design of Altivar Process. Thus 70 % of its components are recyclable. Vibration sensor makes it possible to stop the power plant with a precise setting PRODUCT NEWS In a wind power plant that has to be shut down due to a hazardous situation, the phase position of the tower vibration in which the power plant is stopped, zero crossing or maximum, may be crucial. This point can be set with the SIL2 vibration sensor type NVA115 from TWK. If the tower vibrations exceed the permitted limit value, the two safety contacts open and the safety chain is interrupted. The sensor records vibrations from 0.1 to 60 Hz and protects the system against damage caused by vibrations. The measured value is analyzed by an adjustable frequency filter and directed to three types of interfaces: Two analog, for example for the x and y axis, CANopen Safety and two secure switching contacts. The measured value of the acceleration can be exported and further processed as an instantaneous or peak value, an RMS average or as an integrated value. The NVA115/S3 also features a Fourier frequency analysis that determines the frequency spectrum. www.twk.de/contend/en/main_.html MDA Technologies 5/2016

Contact protection for HDSCS pin housing The GPN 365 protective cap from Pöppelmann Kapsto is a special contact protection for pin housings of the Heavy Duty Sealed Connector Series (HDSCS). It is suitable for transport and paint protection or other applications with high requirements for sturdiness. Made of heat-resistant, plasticizer-free TPE plastic, it can withstand temperatures up to 150 °C. Color and material variants, individual dimensions and special designs are available on request. As part of the standard program the end cap is available from stock. The delivery quantity can be specified by the customer. www.poeppelmann.com Sensors for the plastics processing industry Gefran produces solutions for automation, drives and sensor systems for the plastics and rubber industry. A highly innovative system consisting of compact sensors, magnetic adapters and a display device allow for direct measurement and display of nozzle pressure (IN sensor) and nozzle contact force (DAK sensor) in plastic injection molding machines – without any complicated conversions at all. A sensor is also available that can simultaneously measure both the closing force and the internal tool pressure in addition to monitoring mold protection via the tie bars. The manufacturer uses environmentally compatible materials for all products. Mass pressure sensors are available with different RoHS-compliant filling media, for example, and the Impact series has no filling medium at all. The sensors are PL ‘c’‘ and SIL2 certified and therefore meet the criteria of the Machinery Directive and production standards such as the Extruder Standard EN 1114-1. When combined with the manufacturer’s new controllers, all machine data can be recorded via Ethernet ports and made generally accessible via the internet. www.gefran.com Spring pressure single-disc brakes for servo drives Kendrion presents the new Servo-Line series. Spring pressure single-disc brakes are available in eleven different sizes with holding torques from 0.3 to 130 Nm. To boost performance, the rated air gap tolerance was limited to just a few hundredths of a millimeter by a new manufacturing process. The service life of the brakes can be designed for the relevant requirements depending on the temperature and torque. This makes it possible to cover the temperature range from -15 to 120 °C. In the standard version the brakes can be installed on the flange side or front. Mounting in the engine housing or externally on the bearing plate is also possible. Toothed carrier friction disc connections minimize torsional backlash. The brakes are thus suitable for almost all areas of servo drive applications, for example in automation and robotics, packaging and conveyor technology or in production lines, storage systems and wind power plants. www.kendrion-ids.com Controlling linear axes intuitively via web browser The intuitive dryve controller is now available from Igus for maintenance-free DryLin electric linear axes for stepper and DC motors. No software or app is needed to enter data. Everything is integrated directly into the motor control. Values can be entered or changed live in the web browser using a PC or mobile terminal devices. Access can be password-protected. All data and program steps are saved on the controller and can optionally be saved externally as a parameter file. The controller connected with the axis motor can be mounted in control cabinets on a top-hat rail. Then it can be connected via a WLAN router so that the system can be controlled wirelessly. The user interface is available in German and English with other languages to be offered soon. www.igus.com Compact drive controller with lots of equipment Measuring just 45 mm in width, the SI6 drive controller from Stöber needs very little space in a control cabinet but is still equipped with numerous features. The controllers do not require redundant supply units – the entire series of drive controllers is connected with one central supply module. That also eliminates the fuses and wiring for each individual axis. The controllers are connected with each other via Quick DC-Link modules. With double axis modules, unused power reserves from one axis can be used for other axes. In combination with the EZ401 synchronous servo motor, the controller goes from 0 to 3 000 rpm in 10 ms. It processes encoder information up to 64 bits and calculates without rounding errors. www.stoeber.de/en/stoeber_global/home.html MDA Technologies 5/2016