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Materials Handling

  • Elmet at K: New developments and enhancements in LSR dosing

     

    Elmet at K: New developments and enhancements in LSR dosing

      polymer & packaging news agency - www.ppna.ir

    Elmet is presenting itself at K2019 as an international one-stop shop supplier for the entire field of injection moulding two-component liquid silicone rubbers (LSR).

    One focus of Elmet’s exhibition will be its enhanced TOP 5000 P pneumatically driven dosing system, which has a smaller footprint than its predecessor. Elmet will also provide an initial glimpse of the status of development of a servo-electrically driven dosing pump and premiere its new remote maintenance system for the TOP 5000 series.

    Elmet is preparing for the commercial introduction of a TOP dosing system with a fully electric dosing pump driven by a torque- and current-controlled servomotor. Here the focus is on minimising dosing fluctuations and maximising efficiency and simplicity of operation.

    Despite occupying still less space in the production zone, the upcoming designs of the TOP-5000 dosing systems do not entail any compromises in terms of efficiency.

    Sales Manager Mark Ostermann said: "Our electrically driven dosing system will be the result of very extensive development work, the first step of which focused on designing the pump group. Initial testing of the newly developed components of the pump group has demonstrated the uniform quality of delivery which is achievable using this new principle … Once the system is ready for mass production, we will be able to offer a suitable solution for all market segments and applications up to and including LSR 3D printing. Elmet will thus be in a position to meet any possible future customer wishes."

    In terms of Industry 4.0 capability, all TOP 5000 series dosing systems have a VNC and an OPC-UA interface for data exchange with the injection moulding machine. The newly created remote access interface means that Elmet will be able to offer a Premium Connectivity Package with email functionality and remote support. The software can automatically send email messages to predefined groups of recipients in the event of a breakdown or maintenance and drum change messages.

    A VNC link means that Elmet and operators can remotely access the relevant dosing system from anywhere in the world without requiring access to the customer's own IT network.

  • Good Vibrations - Coperion K-Tron brings new feeding tech to K

     

     

     

    Good Vibrations - Coperion K-Tron brings new feeding tech to K

    polymer & packaging news agency - www.ppna.ir

    Coperion K-Tron has announced a completely new K3 line of vibratory feeders for dry bulk solids which will be exhibited at K 2019. 

    The new feeder design features a unique, patent-pending drive system combined with an advanced control package, and the ability to achieve accuracies averaging 35 per cent better over traditional vibratory technologies. This new generation of Coperion K-Tron loss-in-weight vibratory feeders offers gentle handeling, higher accuracy and faster product changeover, resulting in less product waste, less downtime and better end product quality, as well as improved sustainability.

    Significant advantages

    These advantages are possible due to groundbreaking new technology. The key to achieving high accuracy is the ability to deliver a continuous, even product discharge with minimal pulsations, which the K3 vibratory drive does with a completely new shock absorber design. Conventional vibratory feeders use rubber or spring shock absorbers, which allow movement of the drive in all directions, resulting in rotational motion. In contrast, the K3 line uses a unique flexible pendulum technology which provides shock absorption only parallel to the desired direction of motion, eliminating rotational movement. This parallel motion ensures an even material flow of the product along the entire length of the tray.

    The advanced control system and feeder electronics include internal sensors which measure acceleration, displacement, load, current and temperature at rates of up to 25,000 times per second. The fast-acting controller then adjusts the vibratory drive signal to maintain clean sinusoidal displacement for optimal mass flow. The combination of this unique drive with the Coperion K-Tron SmartConnex control system also results in extremely low energy consumption as compared to other feeding technologies.

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