Elmets has developed the “TOP 5100” precision dosing system for the injection molding of liquid silicone rubber (LSR). It is suitable for 20 and 200 liter containers and replaces the almost ten-year-old predecessor version “TOP 5000”. It is therefore among the manufacturer's top-performing dosing systems. The further developments compared to the previous model include the more compact design of the “TOP 5100”, which requires less installation space. In addition, the improved sealing of the pump technology enables an even longer service life. The higher resolution of the volume counter ensures even greater precision in production. In addition, the software has been revised and is now more efficient. Compliance with the highest safety standards according to EN ISO 13849-1 ensures the greatest possible protection for employees. The CE and UL certified metering system can optionally also be FDA compliant. Elmet's standard phthalate-free design of the dosing systems and their parts in contact with the media is a key requirement for use in the food, healthcare and related industries.
Simplified spare parts storage
For users who employ both the “TOP 5100” and the “TOP 7000” units, the conceptual similarity of the two systems makes it possible to reduce the number of spare parts that need to be stocked.
The metering system is equipped with the M pump unit presented at the Fakuma 2024. This enables an increased feed pressure of 230 bar. As a result, all standard LSR materials in an extended viscosity range from 0.001 Pas to 3,000 Pas can be processed. These include materials that tend to increase in viscosity, such as those filled with carbon black or minerals, as well as self-adhesive materials and abrasive ones, such as thermally conductive materials for the field of electromobility.
Dosing system delivers more than five liters per minute
The “TOP 5100” has the same flow-optimized processing unit and the same additive system as the other LSR metering systems. With flow rates of more than five liters per minute, short cycle times are possible both when filling larger molded parts and with a high number of cavities.
The modular design of the processing unit with integrated cooling and the user-friendly clamp connection of the elements make cleaning and maintenance easier. The high-resolution volume counters, with a high resolution of 3.9 µl per pulse, ensure additional stabilization of the process when mixing components A and B.
The device is equipped as standard with the option of connecting a controlled additive line. Up to five more can be retrofitted. The additive can be supplied from one-, four- or 20-liter additive containers. The high resolution of the additive volume counter, at under 0.1 µl/imp, sets the standard for maximum precision in the addition of additives, as is particularly required for very small parts.
Almost complete material utilization per container
The material utilization rate of up to 99.6 percent per container, the high feed rate and the low maintenance requirements ensure a high level of cost-effectiveness over the entire service life, which is often 20 years or more due to the use of high-quality components.
All-rounder dosing system ensures process stability and mixing accuracy
Lukas Linimayr, Product & Business Development Manager at Elmet, explains: “The wide range of options available, combined with solid conveying technology must-haves makes the new TOP 5100 an all-rounder among our dosing systems. It is suitable for standard applications as well as, depending on the equipment, for special, customer-specific requirements. Whatever the application, the TOP 5100 offers maximum process stability and mixing accuracy, paving the way for excellent part quality and exceptional economy.”
